TDMS Study 05075-01 Pathology Tables
NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 Facility: Battelle Columbus Laboratory Chemical CAS #: 57-41-0 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 5| 7| 6| 7| 5| 7| 3| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| DAY ON TEST | 2| 0| 2| 2| 2| 8| 3| 9| 3| 5| 3| 1| 3| 8| 3| 3| 3| 5| 3| 9| 0| 5| 3| 9| 3| | 9| 2| 9| 9| 9| 6| 0| 5| 0| 7| 0| 3| 0| 8| 1| 1| 1| 9| 1| 3| 0| 5| 2| 8| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| Inflammation, Chronic Active, Focal | | Ulcer | | Submucosa, Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + A + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | | Fatty Change | 1 4 3 4 | Mixed Cell Focus | | Necrosis, Coagulative, Multifocal | | Regeneration, Focal | | Sinusoid, Angiectasis | | __________________________________________________________________________| Mesentery | + + | Inflammation, Chronic | 3 | Artery, Inflammation, Chronic | | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 3 2 2 3 2 1 1 2 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Parotid Gland, Atrophy | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + A + + + + +| Submucosa, Edema | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + A + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | | Aorta, Inflammation, Chronic, Focal | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Coronary Artery, Inflammation, | | Chronic | | Myocardium, Degeneration, Multifocal | 2 2 1 2 1 1 3 2 1 2 3 2 2 | Myocardium, Fibrosis, Focal | 2| Myocardium, Inflammation, Chronic, | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 5| 7| 6| 7| 5| 7| 3| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| DAY ON TEST | 2| 0| 2| 2| 2| 8| 3| 9| 3| 5| 3| 1| 3| 8| 3| 3| 3| 5| 3| 9| 0| 5| 3| 9| 3| | 9| 2| 9| 9| 9| 6| 0| 5| 0| 7| 0| 3| 0| 8| 1| 1| 1| 9| 1| 3| 0| 5| 2| 8| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Multifocal | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular, Focal | | Congestion | 4 | Hyperplasia, Nodular | 2 1 2 4 1 1 2 3 2 | Hypertrophy, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 2 1 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + + + + M + + + M + + + + + + +| Hyperplasia, Diffuse | | Hyperplasia, Nodular | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia, Nodular | 1 2 2| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + A + + + + +| C-Cell, Hyperplasia | 4 2 2 2 2 2 2 4 2 2 4 3 3 2 4 3 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + M + + + + + + + + + + + + + + + + + + + M + M +| Hyperplasia | 2 | Inflammation, Chronic | 1 1 1 1 | Inflammation, Chronic Active | 2 3 | Duct, Dilatation | 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 2 2 1| Corpus Luteum, Congestion | 3 | Follicle, Cyst | X | Periovarian Tissue, Cyst | X X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Prolapse | X X X | Endometrium, Bacterium | X | Endometrium, Hyperplasia, Cystic | 1 1 2 | Endometrium, Necrosis, Coagulative | | Wall, Inflammation, Chronic Active | 3 3 | Wall, Inflammation, Necrotizing | 4 | __________________________________________________________________________| Vagina | + | Lamina Propria, Inflammation, | | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 5| 7| 6| 7| 5| 7| 3| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| DAY ON TEST | 2| 0| 2| 2| 2| 8| 3| 9| 3| 5| 3| 1| 3| 8| 3| 3| 3| 5| 3| 9| 0| 5| 3| 9| 3| | 9| 2| 9| 9| 9| 6| 0| 5| 0| 7| 0| 3| 0| 8| 1| 1| 1| 9| 1| 3| 0| 5| 2| 8| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Necrotizing | | Wall, Edema | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | Polychromasia | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Angiectasis | 4 | Femoral, Hyperplasia | 2 2 1 | Femoral, Hyperplasia, Re Cell | 4 | Femoral, Hypoplasia | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + M + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma, Single | 1 | Hematopoietic Cell Proliferation | 3 3 2 | Necrosis, Coagulative | 2 | __________________________________________________________________________| Thymus | + + + M + + + + + + + + + + + + + + + + + + + M +| Arteriole, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 2 2 3 3 2 1 3 2 1 1 2 2 3 | Duct, Inflammation, Chronic Active | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 4 | Hyperkeratosis | 4 | Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 3 | Femur, Osteopetrosis | 2 | __________________________________________________________________________| Skeletal Muscle | + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypothalamus, Compression | 4 3 1 3 3 2 2 2 2 3 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 4 | Alveolar Epithelium, Hyperplasia | 2 | Bronchus, Foreign Body | 1 | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 5| 7| 5| 7| 6| 7| 5| 7| 3| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| DAY ON TEST | 2| 0| 2| 2| 2| 8| 3| 9| 3| 5| 3| 1| 3| 8| 3| 3| 3| 5| 3| 9| 0| 5| 3| 9| 3| | 9| 2| 9| 9| 9| 6| 0| 5| 0| 7| 0| 3| 0| 8| 1| 1| 1| 9| 1| 3| 0| 5| 2| 8| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Interstitium, Inflammation, Chronic, | | Focal | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Lamina Propria, Inflammation, Chronic| | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | __________________________________________________________________________| Eye | + + + | Lens Crystalline, Cataract | 4 3 | Lids, Inflammation, Suppurative | 1 | Retina, Atrophy | 4 3 | __________________________________________________________________________| Harderian Gland | + | Inflammation, Chronic, Multifocal | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | | Inflammation, Multifocal, Necrotizing| | Nephropathy, Multifocal | 1 2 1 1 3 1 2 1 2 1 1 1 1 1 1 1| Pelvis, Renal Tubule, Bacterium | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumen, Hemorrhage | | Transitional Epithelium, Hyperplasia,| | Diffuse | 3 | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 1| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 6| 6| 4| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 8| 8| 3| 2| 7| 2| 3| 3| 3| 3| | | 2| 2| 6| 6| 6| 6| 6| 7| 0| 7| 7| 7| 8| 8| 0| 4| 4| 8| 9| 7| 1| 8| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + M + + + + + + + + + + +| 48 | Inflammation, Chronic Active, Focal | 3 | 1 3.0| Ulcer | 4 | 1 4.0| Submucosa, Edema | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X | 2 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X 1 X X X X X X X X X X X X X X| 40 1.0| Clear Cell Focus | X | 1 | Fatty Change | 1 | 5 2.6| Mixed Cell Focus | X | 1 | Necrosis, Coagulative, Multifocal | 2 | 1 2.0| Regeneration, Focal | 2 2 | 2 2.0| Sinusoid, Angiectasis | 2 2 1| 3 1.7| __________________________________________________________________________|____________| Mesentery | + | 3 | Inflammation, Chronic | | 1 3.0| Artery, Inflammation, Chronic | 2 | 1 2.0| Fat, Necrosis | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 1 2 1 2 1 3 2 1 1 1 1| 21 1.7| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Parotid Gland, Atrophy | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Submucosa, Edema | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + | 1 | Aorta, Inflammation, Chronic, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 6 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 1| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 6| 6| 4| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 8| 8| 3| 2| 7| 2| 3| 3| 3| 3| | | 2| 2| 6| 6| 6| 6| 6| 7| 0| 7| 7| 7| 8| 8| 0| 4| 4| 8| 9| 7| 1| 8| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Coronary Artery, Inflammation, | | | Chronic | 3 | 1 3.0| Myocardium, Degeneration, Multifocal | 2 2 1 2 2 2 1 1 2 1 1 1 2 1 1 1 1 1 1| 32 1.6| Myocardium, Fibrosis, Focal | | 1 2.0| Myocardium, Inflammation, Chronic, | | | Multifocal | 1 | 2 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atypia Cellular, Focal | 1 | 1 1.0| Congestion | | 1 4.0| Hyperplasia, Nodular | 1 1 1 1 1 2 2 1 1 1| 19 1.6| Hypertrophy, Focal | 2 2 1| 3 1.7| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Nodular | | 4 1.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + + + + + M + + + + + + + + + +| 45 | Hyperplasia, Diffuse | 3 | 1 3.0| Hyperplasia, Nodular | 1 | 1 1.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Cyst | X | 3 | Pars Distalis, Hyperplasia, Nodular | 2 | 4 1.8| __________________________________________________________________________|____________| Thyroid Gland | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | C-Cell, Hyperplasia | 2 2 2 4 2 2 2 3 2 2 3 3 1 2 1 | 33 2.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + M + + + M + + + + + + +| 45 | Hyperplasia | 3 | 2 2.5| Inflammation, Chronic | 1 1 | 6 1.0| Inflammation, Chronic Active | 2 | 3 2.3| Duct, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + M + + + + + + + + + + +| 49 | Inflammation, Chronic | 1 | 5 1.4| Corpus Luteum, Congestion | | 1 3.0| Follicle, Cyst | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 7 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 1| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 6| 6| 4| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 8| 8| 3| 2| 7| 2| 3| 3| 3| 3| | | 2| 2| 6| 6| 6| 6| 6| 7| 0| 7| 7| 7| 8| 8| 0| 4| 4| 8| 9| 7| 1| 8| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Periovarian Tissue, Cyst | X | 5 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Prolapse | | 3 | Endometrium, Bacterium | | 1 | Endometrium, Hyperplasia, Cystic | 1 1 2 2 2 2| 9 1.6| Endometrium, Necrosis, Coagulative | 4 | 1 4.0| Wall, Inflammation, Chronic Active | | 2 3.0| Wall, Inflammation, Necrotizing | | 1 4.0| __________________________________________________________________________|____________| Vagina | + | 2 | Lamina Propria, Inflammation, | | | Necrotizing | 4 | 1 4.0| Wall, Edema | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | Polychromasia | X | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Angiectasis | | 1 4.0| Femoral, Hyperplasia | 2 3 2 1 | 7 1.9| Femoral, Hyperplasia, Re Cell | | 1 4.0| Femoral, Hypoplasia | 4 | 2 3.5| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma, Single | | 1 1.0| Hematopoietic Cell Proliferation | | 3 2.7| Necrosis, Coagulative | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + M + + M + + + + + + + + + + +| 46 | Arteriole, Inflammation, Chronic | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Cystic | 1 1 3 3 3 3 1 2 2 2 3 1 1 3 3 1 2 1| 32 2.0| Duct, Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | | 1 4.0| Hyperkeratosis | | 1 4.0| Inflammation, Chronic | | 1 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 1| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 6| 6| 4| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 8| 8| 3| 2| 7| 2| 3| 3| 3| 3| | | 2| 2| 6| 6| 6| 6| 6| 7| 0| 7| 7| 7| 8| 8| 0| 4| 4| 8| 9| 7| 1| 8| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | | 1 3.0| Femur, Osteopetrosis | 3 | 2 2.5| __________________________________________________________________________|____________| Skeletal Muscle | + | 3 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hypothalamus, Compression | 4 3 4 2 | 15 2.7| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | | 1 4.0| Alveolar Epithelium, Hyperplasia | | 1 2.0| Bronchus, Foreign Body | | 1 1.0| Interstitium, Inflammation, Chronic, | | | Focal | 1 1 | 3 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lamina Propria, Inflammation, Chronic| 1 | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 3 | __________________________________________________________________________|____________| Eye | + + + + + +| 9 | Lens Crystalline, Cataract | 3 4 1 3 4| 7 3.1| Lids, Inflammation, Suppurative | | 1 1.0| Retina, Atrophy | 4 4 3 4 4| 7 3.7| __________________________________________________________________________|____________| Harderian Gland | + + | 3 | Inflammation, Chronic, Multifocal | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hydronephrosis | 4 | 1 4.0| Inflammation, Multifocal, Necrotizing| 3 | 1 3.0| Nephropathy, Multifocal | 1 1 1 2 2 1 1 2 1 2 3 3 2 1 1 1| 32 1.4| Pelvis, Renal Tubule, Bacterium | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lumen, Hemorrhage | 3 | 1 3.0| Transitional Epithelium, Hyperplasia,| | | Diffuse | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 6| 7| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 2| 5| 2| 9| 2| 9| 3| 3| 1| 0| 3| 2| 3| 2| 5| 3| 0| 3| 3| 3| 9| 3| 3| 8| 3| | 9| 2| 9| 8| 9| 2| 0| 0| 7| 7| 0| 7| 1| 7| 9| 0| 6| 1| 1| 1| 9| 2| 2| 5| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + | Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X X X| Clear Cell Focus | | Cyst | X | Fatty Change | 3 | Granuloma, Multiple | 2 | Hepatodiaphragmatic Nodule | | Necrosis, Coagulative, Multifocal | 1 1 | Necrosis, Caseous | 1 | Regeneration, Focal | | Sinusoid, Angiectasis | 1 | Sinusoid, Angiectasis, Multifocal | | __________________________________________________________________________| Mesentery | | Inflammation, Chronic | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + | Acinus, Atrophy | 1 2 1 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + | Inflammation, Subacute | 2 | Mucosa, Proliferation, Focal | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + | Myocardium, Degeneration, Multifocal | 1 2 1 1 1 1 2 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + | Hyperplasia, Nodular | 1 2 | Hypertrophy, Focal | 1 | Vacuolization Cytoplasmic, Focal | 2 | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 6| 7| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 2| 5| 2| 9| 2| 9| 3| 3| 1| 0| 3| 2| 3| 2| 5| 3| 0| 3| 3| 3| 9| 3| 3| 8| 3| | 9| 2| 9| 8| 9| 2| 0| 0| 7| 7| 0| 7| 1| 7| 9| 0| 6| 1| 1| 1| 9| 2| 2| 5| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + | Hyperplasia, Nodular | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + | __________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 1 | Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia, Nodular | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + | C-Cell, Hyperplasia | 1 3 2 2 3 2 3 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + M + + + + + + + + | Hyperplasia | 3 | Inflammation, Chronic | 1 1 1 1 | Inflammation, Chronic Active | 3 2 | Duct, Dilatation | 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + | Inflammation, Chronic | 3 | Follicle, Cyst | | Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + | Dilatation | | Endometrium, Hyperplasia, Cystic | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + | Femoral, Hyperplasia | 1 1 2 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + | Mandibular, Infiltration Cellular, | | Histiocyte | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 3 | Capsule, Hemorrhage | | __________________________________________________________________________| Thymus | + + + I + + + + + + + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + | Hyperplasia, Cystic | 2 3 2 4 3 3 3 4 4 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 6| 7| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 2| 5| 2| 9| 2| 9| 3| 3| 1| 0| 3| 2| 3| 2| 5| 3| 0| 3| 3| 3| 9| 3| 3| 8| 3| | 9| 2| 9| 8| 9| 2| 0| 0| 7| 7| 0| 7| 1| 7| 9| 0| 6| 1| 1| 1| 9| 2| 2| 5| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Acanthosis | 1 | Hyperkeratosis | 2 | Inflammation, Chronic | 3 | Inflammation, Necrotizing | 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + | Infarct | | Inflammation, Multifocal, Necrotizing| | Hypothalamus, Compression | 1 4 4 3 4 2 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + | Alveolus, Hemorrhage | 3 1 | Interstitium, Inflammation, Chronic, | | Focal | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + | Sinus, Inflammation, Chronic Active | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Lens Crystalline, Cataract | 3 | Posterior Chamber, Inflammation, | | Chronic | 3 | Retina, Atrophy | | Sclera, Mineralization, Multifocal | 2 | __________________________________________________________________________| Harderian Gland | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + | Inflammation, Multifocal, Necrotizing| | Nephropathy, Multifocal | 2 3 1 1 1 2 | Papilla, Bacterium | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + | Inflammation, Acute | | Inflammation, Chronic | 1 | Mucosa, Hyperplasia, Papillary | 4 | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 3| 3| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 2| 8| 3| 3| 3| 6| 0| 3| 9| 3| 3| 3| 4| 3| 8| 3| 3| 1| | | 6| 6| 6| 6| 7| 7| 0| 5| 8| 7| 7| 8| 1| 7| 8| 9| 8| 8| 9| 4| 9| 3| 9| 9| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + +| 21 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + A +| 20 | Edema | 3| 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + A + + +| 49 | Basophilic Focus | X X X X X X X X X X X X X X X X X | 35 | Clear Cell Focus | X X | 2 | Cyst | | 1 | Fatty Change | 1 2 | 3 2.0| Granuloma, Multiple | | 1 2.0| Hepatodiaphragmatic Nodule | X| 1 | Necrosis, Coagulative, Multifocal | | 2 1.0| Necrosis, Caseous | | 1 1.0| Regeneration, Focal | 2 | 1 2.0| Sinusoid, Angiectasis | | 1 1.0| Sinusoid, Angiectasis, Multifocal | 1 | 1 1.0| __________________________________________________________________________|____________| Mesentery | + + + + + +| 6 | Inflammation, Chronic | 2 | 1 2.0| Fat, Necrosis | 4 4 4 | 3 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + A +| 20 | Acinus, Atrophy | 1 1 2| 7 1.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + +| 21 | __________________________________________________________________________|____________| Stomach | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + A +| 20 | Inflammation, Subacute | | 1 2.0| Mucosa, Proliferation, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + +| 21 | Myocardium, Degeneration, Multifocal | 1 1 1 4 | 13 1.4| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 13 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 3| 3| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 2| 8| 3| 3| 3| 6| 0| 3| 9| 3| 3| 3| 4| 3| 8| 3| 3| 1| | | 6| 6| 6| 6| 7| 7| 0| 5| 8| 7| 7| 8| 1| 7| 8| 9| 8| 8| 9| 4| 9| 3| 9| 9| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + A +| 21 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + A +| 21 | Hyperplasia, Nodular | 1 | 3 1.3| Hypertrophy, Focal | | 1 1.0| Vacuolization Cytoplasmic, Focal | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + A +| 21 | Hyperplasia, Nodular | 1 1| 3 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + A +| 20 | __________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + M +| 18 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + +| 41 | Pars Distalis, Angiectasis, Focal | 2 | 2 1.5| Pars Distalis, Cyst | X X X | 4 | Pars Distalis, Hyperplasia, Nodular | 1 3 2 | 3 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + A +| 20 | C-Cell, Hyperplasia | 3 1 2 3 2 2 | 14 2.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + I + + +| 21 | Hyperplasia | 3 | 2 3.0| Inflammation, Chronic | | 4 1.0| Inflammation, Chronic Active | | 2 2.5| Duct, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + +| 23 | Inflammation, Chronic | | 1 3.0| Follicle, Cyst | X | 1 | Periovarian Tissue, Cyst | X X X | 4 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + +| 26 | Dilatation | 4 3 | 2 3.5| Endometrium, Hyperplasia, Cystic | 1 | 2 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + +| 21 | Femoral, Hyperplasia | 3 2 3 3| 8 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + A +| 21 | Mandibular, Infiltration Cellular, | | | Histiocyte | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 3| 3| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 2| 8| 3| 3| 3| 6| 0| 3| 9| 3| 3| 3| 4| 3| 8| 3| 3| 1| | | 6| 6| 6| 6| 7| 7| 0| 5| 8| 7| 7| 8| 1| 7| 8| 9| 8| 8| 9| 4| 9| 3| 9| 9| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Mesenteric | | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + +| 26 | Hematopoietic Cell Proliferation | 3 | 2 3.0| Capsule, Hemorrhage | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + M + + I + +| 18 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + A +| 24 | Hyperplasia, Cystic | 4 3 3 1 2| 15 2.9| __________________________________________________________________________|____________| Skin | + + + + + + + + +| 22 | Acanthosis | | 1 1.0| Hyperkeratosis | | 1 2.0| Inflammation, Chronic | | 1 3.0| Inflammation, Necrotizing | | 1 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + +| 21 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + +| 21 | Infarct | 3 | 1 3.0| Inflammation, Multifocal, Necrotizing| 1 | 1 1.0| Hypothalamus, Compression | 1 | 8 2.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + +| 22 | Alveolus, Hemorrhage | 1 | 3 1.7| Interstitium, Inflammation, Chronic, | | | Focal | 1 | 2 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + +| 21 | Sinus, Inflammation, Chronic Active | 1 | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + +| 21 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + + + | 6 | Lens Crystalline, Cataract | 3 4 4 2 | 5 3.2| Posterior Chamber, Inflammation, | | | Chronic | 3 3 | 3 3.0| Retina, Atrophy | 4 4 | 2 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 3| 3| 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 2| 8| 3| 3| 3| 6| 0| 3| 9| 3| 3| 3| 4| 3| 8| 3| 3| 1| | | 6| 6| 6| 6| 7| 7| 0| 5| 8| 7| 7| 8| 1| 7| 8| 9| 8| 8| 9| 4| 9| 3| 9| 9| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Sclera, Mineralization, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | + | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + +| 21 | Inflammation, Multifocal, Necrotizing| 4 | 1 4.0| Nephropathy, Multifocal | 1 2 1 1 1| 11 1.5| Papilla, Bacterium | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + A +| 21 | Inflammation, Acute | 4 | 1 4.0| Inflammation, Chronic | | 1 1.0| Mucosa, Hyperplasia, Papillary | | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 5| 6| 6| 7| 6| 6| 7| 7| 5| 7| 7| 6| 7| 5| DAY ON TEST | 2| 2| 2| 3| 3| 3| 9| 3| 9| 3| 3| 7| 2| 9| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 7| | 9| 9| 9| 0| 0| 0| 2| 1| 0| 1| 1| 5| 1| 8| 2| 4| 4| 2| 2| 6| 0| 6| 4| 6| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + A + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + + + + +| Ulcer | 2 | Submucosa, Edema | 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + A + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + A + + + + +| __________________________________________________________________________| Intestine Small | + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X X | Cyst | X | Fatty Change, Diffuse | | Fatty Change | 3 3 | Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X | Regeneration, Focal | 3 | Centrilobular, Cytomegaly | 1 1 1 1 | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + +| Fibrosis, Focal | 2 | Acinus, Atrophy | 2 3 2 1 1 2 2 4| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + A + + + + +| Inflammation, Subacute | 2 | __________________________________________________________________________| Tooth | + | Gingiva, Inflammation, Chronic | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + +| Autolysis | 2 | Coronary Artery, Inflammation, | | Chronic | 2 | Myocardium, Degeneration, Multifocal | 1 2 1 2 2 1 3 | Myocardium, Inflammation, Chronic, | | Multifocal | 1 | Valve, Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 5| 6| 6| 7| 6| 6| 7| 7| 5| 7| 7| 6| 7| 5| DAY ON TEST | 2| 2| 2| 3| 3| 3| 9| 3| 9| 3| 3| 7| 2| 9| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 7| | 9| 9| 9| 0| 0| 0| 2| 1| 0| 1| 1| 5| 1| 8| 2| 4| 4| 2| 2| 6| 0| 6| 4| 6| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + +| Hyperplasia, Nodular | 1 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + +| Hyperplasia, Nodular | 2 1 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + +| Hyperplasia, Diffuse | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 2 2 | Pars Distalis, Angiectasis, | | Multifocal | 3 | Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia, Nodular | 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + A + + + + +| C-Cell, Hyperplasia | 2 2 3 3 3 3 4 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + +| Autolysis | 1 | Inflammation, Chronic | 1 1 | Duct, Dilatation | 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + +| Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + +| Dilatation | | Hyperplasia | | Prolapse | X | Cervix, Inflammation, Suppurative | | Wall, Bacterium | X | Wall, Inflammation, Necrotizing | 3 | __________________________________________________________________________| Vagina | | Cyst | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + I| Femoral, Hyperplasia | 2 2 3 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + +| Mandibular, Inflammation, Chronic | | Mediastinal, Pigmentation, | | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 5| 6| 6| 7| 6| 6| 7| 7| 5| 7| 7| 6| 7| 5| DAY ON TEST | 2| 2| 2| 3| 3| 3| 9| 3| 9| 3| 3| 7| 2| 9| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 7| | 9| 9| 9| 0| 0| 0| 2| 1| 0| 1| 1| 5| 1| 8| 2| 4| 4| 2| 2| 6| 0| 6| 4| 6| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hemosiderin | 2 | Sinus, Ectasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + | Sinus, Ectasia | 3 | __________________________________________________________________________| Spleen | + + + + + + A + + + + + +| Fibrosis, Focal | 1 | Hematopoietic Cell Proliferation | 2 | Necrosis, Coagulative | | Capsule, Inflammation, Focal, | | Subacute | | __________________________________________________________________________| Thymus | + + + + + + + + + + +| Hemorrhage, Multifocal | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 4 2 2 2 1 3 2| __________________________________________________________________________| Skin | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + +| Tibia, Proliferation | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + +| Infarct | | Infarct, Multiple | 3 | Hypothalamus, Compression | 4 3 3 | Hypothalamus, Hemorrhage, Multifocal | 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + +| Alveolus, Hemorrhage, Multifocal | 3 | Interstitium, Inflammation, Chronic, | | Multifocal | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | Lens Crystalline, Cataract | 4 2 3 | Posterior Chamber, Inflammation, | | Chronic | 3 3 | Retina, Atrophy | 3 | __________________________________________________________________________| Harderian Gland | + +| _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 5| 6| 6| 7| 6| 6| 7| 7| 5| 7| 7| 6| 7| 5| DAY ON TEST | 2| 2| 2| 3| 3| 3| 9| 3| 9| 3| 3| 7| 2| 9| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 7| | 9| 9| 9| 0| 0| 0| 2| 1| 0| 1| 1| 5| 1| 8| 2| 4| 4| 2| 2| 6| 0| 6| 4| 6| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Inflammation, Chronic, Multifocal | 2 1| __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + +| Nephropathy, Multifocal | 2 1 4 1 1 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + A + + + + +| _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 6| 7| 6| 7| 6| 7| 6| 6| 7| 7| 7| 5| 6| 7| 7| 4| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 1| 3| 3| 2| 1| 8| 0| 9| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 2| 3| 8| 3| 3| 3| | | 6| 9| 7| 7| 7| 5| 4| 7| 0| 7| 3| 0| 7| 8| 8| 3| 4| 8| 8| 5| 9| 1| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Intestine Large | + + A + + + + + + + + A | 20 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + A + + + + + + + + A | 20 | Ulcer | | 1 2.0| Submucosa, Edema | | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + A + + + + + + + + A | 20 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + A + + + + + + + + A | 20 | __________________________________________________________________________|____________| Intestine Small | + + A + + + + + + + + A | 20 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + + + + + + + A | 20 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + A + + + + + + + + A | 20 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + + + + + + + + A | 20 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X| 30 | Cyst | | 1 | Fatty Change, Diffuse | 2 3 | 2 2.5| Fatty Change | 2 | 3 2.7| Hepatodiaphragmatic Nodule | | 1 | Mixed Cell Focus | | 1 | Regeneration, Focal | 3 | 2 3.0| Centrilobular, Cytomegaly | 1 1 1 | 7 1.0| __________________________________________________________________________|____________| Mesentery | + + | 3 | Fat, Necrosis | 4 4 | 3 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + | 23 | Fibrosis, Focal | | 1 2.0| Acinus, Atrophy | 2 1 3 2 1 | 13 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Stomach, Glandular | + + A + + + + + + + + A | 20 | Inflammation, Subacute | | 1 2.0| __________________________________________________________________________|____________| Tooth | | 1 | Gingiva, Inflammation, Chronic | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + | 24 | Autolysis | | 1 2.0| Coronary Artery, Inflammation, | | | Chronic | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 21 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 6| 7| 6| 7| 6| 7| 6| 6| 7| 7| 7| 5| 6| 7| 7| 4| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 1| 3| 3| 2| 1| 8| 0| 9| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 2| 3| 8| 3| 3| 3| | | 6| 9| 7| 7| 7| 5| 4| 7| 0| 7| 3| 0| 7| 8| 8| 3| 4| 8| 8| 5| 9| 1| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Myocardium, Degeneration, Multifocal | 1 1 1 2 1 1 | 13 1.5| Myocardium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| Valve, Inflammation, Chronic | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + | 23 | Hyperplasia, Nodular | 2 1 1 2 2 | 7 1.4| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + | 23 | Hyperplasia, Nodular | 1 2 | 6 1.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + + + M + + | 21 | Hyperplasia, Diffuse | | 1 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + | 43 | Pars Distalis, Angiectasis, Focal | 2 4 2 | 5 2.4| Pars Distalis, Angiectasis, | | | Multifocal | | 1 3.0| Pars Distalis, Cyst | X X X | 5 | Pars Distalis, Hyperplasia, Nodular | 2 1 1 1 | 7 1.6| __________________________________________________________________________|____________| Thyroid Gland | + + A + + + + + + + A A | 19 | C-Cell, Hyperplasia | 2 3 2 3 2 2 | 14 2.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + | 24 | Autolysis | | 1 1.0| Inflammation, Chronic | 1 1 | 4 1.0| Duct, Dilatation | 2 | 2 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + | 26 | Periovarian Tissue, Cyst | X X X X | 5 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + | 26 | Dilatation | 3 | 1 3.0| Hyperplasia | 3 | 1 3.0| Prolapse | | 1 | Cervix, Inflammation, Suppurative | 3 | 1 3.0| Wall, Bacterium | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 22 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 6| 7| 6| 7| 6| 7| 6| 6| 7| 7| 7| 5| 6| 7| 7| 4| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 1| 3| 3| 2| 1| 8| 0| 9| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 2| 3| 8| 3| 3| 3| | | 6| 9| 7| 7| 7| 5| 4| 7| 0| 7| 3| 0| 7| 8| 8| 3| 4| 8| 8| 5| 9| 1| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Wall, Inflammation, Necrotizing | | 1 3.0| __________________________________________________________________________|____________| Vagina | + | 1 | Cyst | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + | 22 | Femoral, Hyperplasia | 1 3 2 3 2 2 1 | 11 2.2| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + | 26 | Mandibular, Inflammation, Chronic | 3 | 1 3.0| Mediastinal, Pigmentation, | | | Hemosiderin | | 1 2.0| Sinus, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 4 | Sinus, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + | 29 | Fibrosis, Focal | | 1 1.0| Hematopoietic Cell Proliferation | | 1 2.0| Necrosis, Coagulative | 2 | 1 2.0| Capsule, Inflammation, Focal, | | | Subacute | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + + + + + + | 21 | Hemorrhage, Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + | 31 | Hyperplasia, Cystic | 2 1 1 2 2 | 12 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + | 23 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + | 24 | Tibia, Proliferation | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + | 23 | Infarct | 2 | 1 2.0| Infarct, Multiple | | 1 3.0| Hypothalamus, Compression | 2 1 | 5 2.6| Hypothalamus, Hemorrhage, Multifocal | | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 23 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 6| 7| 6| 7| 6| 7| 6| 6| 7| 7| 7| 5| 6| 7| 7| 4| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 1| 3| 3| 2| 1| 8| 0| 9| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 2| 3| 8| 3| 3| 3| | | 6| 9| 7| 7| 7| 5| 4| 7| 0| 7| 3| 0| 7| 8| 8| 3| 4| 8| 8| 5| 9| 1| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + | 24 | Alveolus, Hemorrhage, Multifocal | 3 | 2 3.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + | 22 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + + | 6 | Lens Crystalline, Cataract | 2 4 3 | 6 3.0| Posterior Chamber, Inflammation, | | | Chronic | 2 3 | 4 2.8| Retina, Atrophy | 4 4 | 3 3.7| __________________________________________________________________________|____________| Harderian Gland | + | 3 | Inflammation, Chronic, Multifocal | | 2 1.5| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + | 23 | Nephropathy, Multifocal | 1 1 1 | 10 1.6| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + A | 20 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 2| 2| 1| 2| 2| 2| 3| 3| 3| 1| 0| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 2| | 9| 9| 1| 9| 9| 9| 0| 0| 0| 1| 2| 0| 0| 1| 7| 0| 1| 4| 1| 1| 1| 2| 2| 2| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + +| __________________________________________________________________________| Intestine Large | + + A + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + A A + + +| __________________________________________________________________________| Intestine Large, Colon | + + A + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + A A + + +| __________________________________________________________________________| Intestine Small | + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + A + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + A A + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + A A + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X | Cyst | | Eosinophilic Focus | X X X | Mixed Cell Focus | | Necrosis, Coagulative, Multifocal | 1 | Necrosis, Caseous, Multifocal | 1 | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + A + + + +| Acinus, Atrophy | 3 1 1 | __________________________________________________________________________| Salivary Glands | + + A + + + +| __________________________________________________________________________| Stomach | + + A + + + +| __________________________________________________________________________| Stomach, Forestomach | + + A + + + +| __________________________________________________________________________| Stomach, Glandular | + + A + + + +| Ulcer | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + +| Myocardium, Degeneration, Multifocal | 1 2 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + +| Hyperplasia, Nodular | 2 | Vacuolization Cytoplasmic, Focal | 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + A + + + +| __________________________________________________________________________| Parathyroid Gland | + + A + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Angiectasis, Focal | | Autolysis | 3 | Pars Distalis, Angiectasis, Focal | 2 | Pars Distalis, Cyst | X X | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 2| 2| 1| 2| 2| 2| 3| 3| 3| 1| 0| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 2| | 9| 9| 1| 9| 9| 9| 0| 0| 0| 1| 2| 0| 0| 1| 7| 0| 1| 4| 1| 1| 1| 2| 2| 2| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Pars Distalis, Hyperplasia, Nodular | 1| __________________________________________________________________________| Thyroid Gland | + + A A + + +| C-Cell, Hyperplasia | 3 1 4 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | M + + + + + + +| Inflammation, Chronic | 1 1| Duct, Dilatation | 3 2| __________________________________________________________________________| Ovary | + + + + + + + + + +| Inflammation, Chronic | | Periovarian Tissue, Cyst | X X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + +| Dilatation | 1 4 | Endometrium, Hyperplasia, Cystic | 3 | Wall, Cyst | | __________________________________________________________________________| Vagina | + | Cyst | | Lumen, Exudate | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + A + + + +| Femoral, Hyperplasia | 2 2| Femoral, Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + A + + + +| __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | | __________________________________________________________________________| Spleen | + + + + + + + + + +| Autolysis | 3 | Fibrosis, Diffuse | 4 | Hematopoietic Cell Proliferation | | Capsule, Cyst | | __________________________________________________________________________| Thymus | + + A + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + +| Hyperplasia, Cystic | 4 1 2 4 | __________________________________________________________________________| Skin | + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + +| Femur, Osteopetrosis | 2 | _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 2| 2| 1| 2| 2| 2| 3| 3| 3| 1| 0| 3| 3| 3| 9| 7| 3| 5| 3| 3| 3| 3| 3| 3| 2| | 9| 9| 1| 9| 9| 9| 0| 0| 0| 1| 2| 0| 0| 1| 7| 0| 1| 4| 1| 1| 1| 2| 2| 2| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + +| Hypothalamus, Compression | 3 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + +| Alveolus, Inflammation, Multifocal, | | Suppurative | | Bronchus, Foreign Body | | Bronchus, Inflammation, Multifocal, | | Suppurative | | Interstitium, Inflammation, Chronic, | | Multifocal | 1| __________________________________________________________________________| Nose | + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Eye | + + + + | Cornea, Inflammation, Suppurative | | Lens Crystalline, Cataract | 2 3 4 3 | Posterior Chamber, Inflammation, | | Chronic | 3 3 3 3 | Retina, Atrophy | | __________________________________________________________________________| Harderian Gland | + | Inflammation, Chronic, Multifocal | 1 | __________________________________________________________________________| Zymbal's Gland | +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + +| Nephropathy, Multifocal | 1 1 | Thrombosis | | __________________________________________________________________________| Urinary Bladder | + + A + + + +| _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 2| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 0| 0| 4| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| | | 9| 9| 8| 2| 2| 6| 2| 6| 6| 6| 6| 7| 7| 7| 5| 7| 8| 8| 8| 8| 9| 9| 6| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large | + + A + A + | 10 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + A + A + | 9 | __________________________________________________________________________|____________| Intestine Large, Colon | + + A + A + | 10 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + A + A + | 9 | __________________________________________________________________________|____________| Intestine Small | + + A + A + | 10 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + A + | 10 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + A + A + | 9 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + A + | 9 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X X X X X| 33 | Cyst | X | 1 | Eosinophilic Focus | | 3 | Mixed Cell Focus | X | 1 | Necrosis, Coagulative, Multifocal | | 1 1.0| Necrosis, Caseous, Multifocal | | 1 1.0| Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1| 22 1.0| __________________________________________________________________________|____________| Mesentery | | 1 | Fat, Necrosis | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + A + A + | 10 | Acinus, Atrophy | 1 3 | 5 1.8| __________________________________________________________________________|____________| Salivary Glands | + + + + + + | 12 | __________________________________________________________________________|____________| Stomach | + + A + + + + | 12 | __________________________________________________________________________|____________| Stomach, Forestomach | + + A + + + | 11 | __________________________________________________________________________|____________| Stomach, Glandular | + + A + + A + | 11 | Ulcer | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + | 13 | Myocardium, Degeneration, Multifocal | 1 1 | 6 1.2| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + | 13 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + | 13 | Hyperplasia, Nodular | | 1 2.0| Vacuolization Cytoplasmic, Focal | 2 | 2 1.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + | 13 | __________________________________________________________________________|____________| Islets, Pancreatic | + + A + + + | 11 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + | 12 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 28 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 2| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 0| 0| 4| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| | | 9| 9| 8| 2| 2| 6| 2| 6| 6| 6| 6| 7| 7| 7| 5| 7| 8| 8| 8| 8| 9| 9| 6| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + +| 32 | Angiectasis, Focal | 1| 1 1.0| Autolysis | | 1 3.0| Pars Distalis, Angiectasis, Focal | 1 | 2 1.5| Pars Distalis, Cyst | X X X X | 6 | Pars Distalis, Hyperplasia, Nodular | 2 3 | 3 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + A + A + | 9 | C-Cell, Hyperplasia | 2 2 3 | 8 2.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + M + | 14 | Inflammation, Chronic | 1 1 | 4 1.0| Duct, Dilatation | 3 | 3 2.7| __________________________________________________________________________|____________| Ovary | + + + + + + + + + | 19 | Inflammation, Chronic | 2 | 1 2.0| Periovarian Tissue, Cyst | X X X | 7 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + | 25 | Dilatation | 3 | 3 2.7| Endometrium, Hyperplasia, Cystic | 4 2 2 2 | 5 2.6| Wall, Cyst | X | 1 | __________________________________________________________________________|____________| Vagina | + | 2 | Cyst | 4 | 1 4.0| Lumen, Exudate | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + | 12 | Femoral, Hyperplasia | 2 3 | 4 2.3| Femoral, Myelofibrosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + | 12 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 1 | __________________________________________________________________________|____________| Spleen | + + A + + + + + | 17 | Autolysis | | 1 3.0| Fibrosis, Diffuse | | 1 4.0| Hematopoietic Cell Proliferation | 3 | 1 3.0| Capsule, Cyst | X | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 29 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 2| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 0| 0| 4| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| | | 9| 9| 8| 2| 2| 6| 2| 6| 6| 6| 6| 7| 7| 7| 5| 7| 8| 8| 8| 8| 9| 9| 6| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thymus | + + + + + + | 12 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 19 | Hyperplasia, Cystic | 1 3 | 6 2.5| __________________________________________________________________________|____________| Skin | + + + + + + | 14 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + | 13 | Femur, Osteopetrosis | | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + | 13 | Hypothalamus, Compression | 3 4 | 4 3.3| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + | 13 | Alveolus, Inflammation, Multifocal, | | | Suppurative | 3 | 1 3.0| Bronchus, Foreign Body | 3 | 1 3.0| Bronchus, Inflammation, Multifocal, | | | Suppurative | 3 | 1 3.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 1 | 2 1.0| __________________________________________________________________________|____________| Nose | + + + + + + | 13 | __________________________________________________________________________|____________| Trachea | + + + + + | 12 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | __________________________________________________________________________|____________| Eye | + + + | 7 | Cornea, Inflammation, Suppurative | 3 | 1 3.0| Lens Crystalline, Cataract | 3 4 | 6 3.2| Posterior Chamber, Inflammation, | | | Chronic | | 4 3.0| Retina, Atrophy | 3 | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | Inflammation, Chronic, Multifocal | | 1 1.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 2| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 0| 0| 4| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| | | 9| 9| 8| 2| 2| 6| 2| 6| 6| 6| 6| 7| 7| 7| 5| 7| 8| 8| 8| 8| 9| 9| 6| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + A + + + + | 13 | Nephropathy, Multifocal | 3 3 2 | 5 2.0| Thrombosis | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + A + + + | 11 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 5| 7| 6| DAY ON TEST | 9| 2| 6| 2| 2| 9| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 7| 3| 3| 0| 5| 3| 1| 3| 0| | 0| 9| 2| 9| 9| 9| 6| 0| 0| 0| 1| 1| 0| 7| 1| 2| 6| 2| 2| 2| 9| 2| 9| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | A + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Colon | A + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Rectum | A + + + + + A + + + +| __________________________________________________________________________| Intestine Small | A + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | A + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Ileum | A + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Jejunum | A + + + + + A + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X X | Clear Cell Focus | X | Eosinophilic Focus | | Fatty Change | | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | | Necrosis, Caseous, Multifocal | 1 | Centrilobular, Cytomegaly | 2 1 1 1 1 1 2 1 1 1 1 1 | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + + + + + A + + + +| Acinus, Atrophy | 2 2 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + +| Ectopic Tissue | X | __________________________________________________________________________| Stomach | + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + +| Inflammation, Chronic | | Epithelium, Acanthosis, Diffuse | | Epithelium, Hyperkeratosis, Diffuse | | __________________________________________________________________________| Stomach, Glandular | A + + + + + A + + + +| Inflammation, Chronic | | Mucosa, Inflammation, Multifocal, | | Necrotizing | 2| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + +| Myocardium, Degeneration, Diffuse | | Myocardium, Degeneration, Multifocal | 1 1 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + A + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + A + + + +| Hyperplasia, Nodular | 1 3 2 2 1 1| Hypertrophy, Multifocal | | Necrosis, Coagulative | 4 | _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 5| 7| 6| DAY ON TEST | 9| 2| 6| 2| 2| 9| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 7| 3| 3| 0| 5| 3| 1| 3| 0| | 0| 9| 2| 9| 9| 9| 6| 0| 0| 0| 1| 1| 0| 7| 1| 2| 6| 2| 2| 2| 9| 2| 9| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + A + + + +| Hyperplasia, Nodular | 1 1 1 1| Necrosis, Coagulative | 4 | Vacuolization Cytoplasmic, Focal | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + A + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + M| Hyperplasia, Diffuse | 2 | __________________________________________________________________________| Pituitary Gland | A + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 2 4 1 | Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia, Nodular | 2 3 2 | __________________________________________________________________________| Thyroid Gland | A + + + + + A + + + +| Cyst | X| C-Cell, Hyperplasia | 2 2 2 3 2 3 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + M| Inflammation, Chronic | | Duct, Dilatation | 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + +| Bilateral, Periovarian Tissue, Cyst | X | Periovarian Tissue, Cyst | X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + +| Dilatation | 2 | Hemorrhage | | Cervix, Inflammation, Suppurative | 2 | Endometrium, Hyperplasia, Cystic | 3 2 3| Endometrium, Hyperplasia, Nodular | 2 | Lumen, Hemorrhage | 4 | __________________________________________________________________________| Vagina | + + + | Cyst | 3 4 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + +| Femoral, Hyperplasia | 1 2 3 2 1 3 3| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + +| Mandibular, Hemorrhage, Focal | | Sinus, Mandibular, Ectasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + +| Sinus, Ectasia | 1 | __________________________________________________________________________| Spleen | + + + + + + A + + + +| _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 5| 7| 6| DAY ON TEST | 9| 2| 6| 2| 2| 9| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 7| 3| 3| 0| 5| 3| 1| 3| 0| | 0| 9| 2| 9| 9| 9| 6| 0| 0| 0| 1| 1| 0| 7| 1| 2| 6| 2| 2| 2| 9| 2| 9| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | + + + M + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + +| Hyperplasia, Cystic | 2 3 2 3 1 2 2 2 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + +| Acanthosis | | Hyperkeratosis | | Tail, Acanthosis, Focal | 3 | Tail, Hyperkeratosis, Focal | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + +| Hypothalamus, Compression | 3 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + +| Congestion | | Interstitium, Inflammation, Chronic, | | Multifocal | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + +| Nares, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Eye | + + + + | Anterior, Synechia | 2 | Lens Crystalline, Cataract | 4 | Posterior Chamber, Inflammation, | | Chronic | 3 3 | Retina, Atrophy | 3 | Sclera, Mineralization, Multifocal | 2 | __________________________________________________________________________| Harderian Gland | + | Inflammation, Chronic, Multifocal | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + +| Nephropathy, Multifocal | 1 1 1 2 | Glomerulus, Inflammation, | | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 5| 7| 6| DAY ON TEST | 9| 2| 6| 2| 2| 9| 7| 3| 3| 3| 3| 3| 3| 0| 3| 3| 7| 3| 3| 0| 5| 3| 1| 3| 0| | 0| 9| 2| 9| 9| 9| 6| 0| 0| 0| 1| 1| 0| 7| 1| 2| 6| 2| 2| 2| 9| 2| 9| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Membranoproliferative | 3 | __________________________________________________________________________| Urinary Bladder | A + + + + + A + + + +| _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 4| 7| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 6| 7| | DAY ON TEST | 3| 7| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 1| 0| 3| 3| 3| 3| 1| 9| 3| 3| 3| | | 6| 1| 6| 6| 6| 7| 7| 7| 7| 0| 9| 9| 8| 8| 8| 6| 8| 5| 9| 9| 2| 0| 9| 7| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 19 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X X X X X| 35 | Clear Cell Focus | | 1 | Eosinophilic Focus | X | 1 | Fatty Change | 3 | 1 3.0| Necrosis, Coagulative, Focal | 1 | 1 1.0| Necrosis, Coagulative, Multifocal | 2 | 1 2.0| Necrosis, Caseous, Multifocal | | 1 1.0| Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 | 24 1.1| __________________________________________________________________________|____________| Mesentery | + | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + | 21 | Acinus, Atrophy | 1 2 | 5 1.6| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + | 22 | Ectopic Tissue | | 1 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + | 22 | Inflammation, Chronic | 3 | 1 3.0| Epithelium, Acanthosis, Diffuse | 2 | 1 2.0| Epithelium, Hyperkeratosis, Diffuse | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + | 20 | Inflammation, Chronic | 3 | 1 3.0| Mucosa, Inflammation, Multifocal, | | | Necrotizing | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + | 22 | Myocardium, Degeneration, Diffuse | 1 | 1 1.0| Myocardium, Degeneration, Multifocal | 1 1 2 1 | 8 1.4| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 4| 7| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 6| 7| | DAY ON TEST | 3| 7| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 1| 0| 3| 3| 3| 3| 1| 9| 3| 3| 3| | | 6| 1| 6| 6| 6| 7| 7| 7| 7| 0| 9| 9| 8| 8| 8| 6| 8| 5| 9| 9| 2| 0| 9| 7| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 20 | Hyperplasia, Nodular | 2 2 2 | 9 1.8| Hypertrophy, Multifocal | 2 | 1 2.0| Necrosis, Coagulative | | 1 4.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + | 22 | Hyperplasia, Nodular | 1 1 1 | 7 1.0| Necrosis, Coagulative | | 1 4.0| Vacuolization Cytoplasmic, Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + | 21 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + M + | 19 | Hyperplasia, Diffuse | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + M + + + + + + +| 35 | Pars Distalis, Angiectasis, Focal | 2 | 4 2.3| Pars Distalis, Cyst | | 2 | Pars Distalis, Hyperplasia, Nodular | 2 2 1 | 6 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + | 20 | Cyst | | 1 | C-Cell, Hyperplasia | 3 2 2 2 2 4 2 2 2 | 16 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + | 24 | Inflammation, Chronic | 1 1 | 2 1.0| Duct, Dilatation | | 1 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + | 26 | Bilateral, Periovarian Tissue, Cyst | | 1 | Periovarian Tissue, Cyst | X | 4 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + | 35 | Dilatation | 4 | 2 3.0| Hemorrhage | 3 | 1 3.0| Cervix, Inflammation, Suppurative | 4 | 2 3.0| Endometrium, Hyperplasia, Cystic | 2 1 1 | 6 2.0| Endometrium, Hyperplasia, Nodular | | 1 2.0| Lumen, Hemorrhage | | 1 4.0| __________________________________________________________________________|____________| Vagina | + | 4 | Cyst | 3 | 4 3.3| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 37 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 4| 7| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 6| 7| | DAY ON TEST | 3| 7| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 1| 0| 3| 3| 3| 3| 1| 9| 3| 3| 3| | | 6| 1| 6| 6| 6| 7| 7| 7| 7| 0| 9| 9| 8| 8| 8| 6| 8| 5| 9| 9| 2| 0| 9| 7| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + | 22 | Femoral, Hyperplasia | 3 2 4 3 2 3 1 | 14 2.4| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + | 23 | Mandibular, Hemorrhage, Focal | 1 | 1 1.0| Sinus, Mandibular, Ectasia | 1 1 | 2 1.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 6 | Sinus, Ectasia | | 1 1.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + | 22 | Hematopoietic Cell Proliferation | 4 | 1 4.0| __________________________________________________________________________|____________| Thymus | + M + + + + + + + + | 19 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + | 25 | Hyperplasia, Cystic | 4 1 3 3 4 3 | 15 2.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + | 26 | Acanthosis | 3 | 1 3.0| Hyperkeratosis | 4 | 1 4.0| Tail, Acanthosis, Focal | | 1 3.0| Tail, Hyperkeratosis, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + | 22 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + | 22 | Hypothalamus, Compression | 4 2 | 4 2.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + | 23 | Congestion | 1 | 1 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + | 22 | Nares, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + | 22 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 4| 7| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 6| 7| | DAY ON TEST | 3| 7| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 1| 0| 3| 3| 3| 3| 1| 9| 3| 3| 3| | | 6| 1| 6| 6| 6| 7| 7| 7| 7| 0| 9| 9| 8| 8| 8| 6| 8| 5| 9| 9| 2| 0| 9| 7| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | __________________________________________________________________________|____________| Eye | + + + | 7 | Anterior, Synechia | | 1 2.0| Lens Crystalline, Cataract | 4 4 1 | 4 3.3| Posterior Chamber, Inflammation, | | | Chronic | 3 3 1 | 5 2.6| Retina, Atrophy | | 1 3.0| Sclera, Mineralization, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | Inflammation, Chronic, Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + | 22 | Nephropathy, Multifocal | 4 2 1 1 1 | 9 1.6| Glomerulus, Inflammation, | | | Membranoproliferative | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + | 20 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 39 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 5| 3| 3| 3| 8| 3| 0| 9| 3| 0| 5| 3| 1| 0| 3| 3| 3| | 9| 9| 9| 9| 3| 9| 9| 0| 8| 0| 0| 0| 6| 1| 0| 1| 1| 4| 9| 1| 6| 4| 1| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + | __________________________________________________________________________| Intestine Large | + A + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + A + + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + A + + + + + + + + | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + A + + + + + + + + | __________________________________________________________________________| Intestine Small | + A + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + A + + + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | + A + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + A + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X| Clear Cell Focus | | Eosinophilic Focus | | Fatty Change | 3 | Mixed Cell Focus | | Necrosis, Coagulative, Multifocal | 2 | Regeneration, Focal | 3 | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Mesentery | + | Fat, Necrosis | | __________________________________________________________________________| Pancreas | A + + + + + + + + + | Acinus, Atrophy | 1 1 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + | Parotid Gland, Inflammation, Chronic | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + | Edema | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + | __________________________________________________________________________| Tongue | +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + | Coronary Artery, Inflammation, | | Chronic | | Myocardium, Degeneration, Multifocal | 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + | Atrophy | 3 | Hyperplasia, Nodular | 3 | Hypertrophy, Focal | 2 | Vacuolization Cytoplasmic, Focal | 2 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 5| 3| 3| 3| 8| 3| 0| 9| 3| 0| 5| 3| 1| 0| 3| 3| 3| | 9| 9| 9| 9| 3| 9| 9| 0| 8| 0| 0| 0| 6| 1| 0| 1| 1| 4| 9| 1| 6| 4| 1| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + | Hyperplasia, Nodular | 1 1 2 | __________________________________________________________________________| Islets, Pancreatic | A + + + + + + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + | Pars Distalis, Angiectasis, Focal | 3 2 | Pars Distalis, Cyst | X X X | Pars Distalis, Hyperplasia, Nodular | 2 1 | Pars Intermedia, Cyst | | __________________________________________________________________________| Thyroid Gland | + A + + + + + + + + | C-Cell, Hyperplasia | 3 2 2 3 3 1 1 3 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + | Inflammation, Chronic | | Inflammation, Chronic Active | | Duct, Dilatation | 3 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + | Periovarian Tissue, Cyst | X X X | Periovarian Tissue, Necrosis, Caseous| 1 | Vein, Congestion | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + | Dilatation | | Hyperplasia, Cystic | | Cervix, Inflammation, Suppurative | 2 3 3 | Endometrium, Hyperplasia, Cystic | 3 | Endometrium, Necrosis, Coagulative | | __________________________________________________________________________| Vagina | + + + + + | Cyst | 3 4 2 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + | Femoral, Hyperplasia | 2 1 2 2 3 2 | Femoral, Myelofibrosis | 2 4 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + +| Mandibular, Infiltration Cellular, | | Polymorphonuclear | 2 | Renal, Necrosis, Caseous | 2 | Sinus, Mandibular, Ectasia | 2| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + | Sinus, Ectasia | 3 4 2 | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 7| 6| 7| 6| 4| 7| 7| 6| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 7| 3| 2| 3| 5| 3| 3| 3| 8| 3| 0| 9| 3| 0| 5| 3| 1| 0| 3| 3| 3| | 9| 9| 9| 9| 3| 9| 9| 0| 8| 0| 0| 0| 6| 1| 0| 1| 1| 4| 9| 1| 6| 4| 1| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Spleen | + + + + + + + + + + + | Hematopoietic Cell Proliferation | 2 | Necrosis, Coagulative | | __________________________________________________________________________| Thymus | + + + + + + + + + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + | Hyperplasia, Cystic | 2 2 3 2 1 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + | Acanthosis | 2 | Hyperkeratosis | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + | Hypothalamus, Compression | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + | Alveolus, Hemorrhage | | __________________________________________________________________________| Nose | + + + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + + + + | Inflammation, Subacute | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | Middle Ear, Inflammation, Chronic | | Active | 3 | __________________________________________________________________________| Eye | + + + + + | Bilateral, Lens Crystalline, Cataract| | Lens Crystalline, Cataract | 4 4 2 4 2 | Posterior Chamber, Inflammation, | | Chronic | 2 2 3 3 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + | Nephropathy, Multifocal | 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + M + | Ectasia | | _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 5| 5| 5| 7| 7| | DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 4| 3| 3| 3| 9| 9| 7| 3| 3| | | 2| 8| 2| 7| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 5| 8| 8| 8| 9| 9| 2| 5| 1| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + | 16 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + A | 15 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + | 17 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X X X X | 31 | Clear Cell Focus | X | 1 | Eosinophilic Focus | X | 1 | Fatty Change | 4 | 2 3.5| Mixed Cell Focus | X X | 2 | Necrosis, Coagulative, Multifocal | | 1 2.0| Regeneration, Focal | | 1 3.0| Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 29 1.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Fat, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + | 16 | Acinus, Atrophy | 1 3 | 5 1.4| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + | 17 | Parotid Gland, Inflammation, Chronic | | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + | 17 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + | 16 | Edema | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + | 16 | __________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + | 17 | Coronary Artery, Inflammation, | | | Chronic | 2 | 1 2.0| Myocardium, Degeneration, Multifocal | 1 2 1 | 5 1.2| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + | 17 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 43 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 5| 5| 5| 7| 7| | DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 4| 3| 3| 3| 9| 9| 7| 3| 3| | | 2| 8| 2| 7| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 5| 8| 8| 8| 9| 9| 2| 5| 1| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + | 17 | Atrophy | | 1 3.0| Hyperplasia, Nodular | 2 2 1 2 | 5 2.0| Hypertrophy, Focal | 1 | 2 1.5| Vacuolization Cytoplasmic, Focal | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + | 17 | Hyperplasia, Nodular | 1 | 4 1.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + | 16 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + | 17 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + | 33 | Pars Distalis, Angiectasis, Focal | 2 2 2 4 | 6 2.5| Pars Distalis, Cyst | X X | 5 | Pars Distalis, Hyperplasia, Nodular | | 2 1.5| Pars Intermedia, Cyst | X | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + +| 17 | C-Cell, Hyperplasia | 2 2 2 4 3 3 1 | 16 2.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + | 20 | Inflammation, Chronic | 1 1 1 1 | 4 1.0| Inflammation, Chronic Active | 2 | 1 2.0| Duct, Dilatation | | 2 2.5| __________________________________________________________________________|____________| Ovary | + + + + + + + + + | 21 | Periovarian Tissue, Cyst | X X | 5 | Periovarian Tissue, Necrosis, Caseous| | 1 1.0| Vein, Congestion | 2 | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + +| 31 | Dilatation | 3 | 1 3.0| Hyperplasia, Cystic | 3 | 1 3.0| Cervix, Inflammation, Suppurative | 3 2| 5 2.6| Endometrium, Hyperplasia, Cystic | 3 | 2 3.0| Endometrium, Necrosis, Coagulative | 4 | 1 4.0| __________________________________________________________________________|____________| Vagina | + +| 7 | Cyst | 3 2| 7 2.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 5| 5| 5| 7| 7| | DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 4| 3| 3| 3| 9| 9| 7| 3| 3| | | 2| 8| 2| 7| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 5| 8| 8| 8| 9| 9| 2| 5| 1| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + | 17 | Femoral, Hyperplasia | 2 3 | 8 2.1| Femoral, Myelofibrosis | | 2 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + +| 22 | Mandibular, Infiltration Cellular, | | | Polymorphonuclear | | 1 2.0| Renal, Necrosis, Caseous | | 1 2.0| Sinus, Mandibular, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | +| 6 | Sinus, Ectasia | | 3 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + +| 21 | Hematopoietic Cell Proliferation | | 1 2.0| Necrosis, Coagulative | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + M| 17 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + | 23 | Hyperplasia, Cystic | 3 4 4 4 2 2 | 12 2.6| __________________________________________________________________________|____________| Skin | + + + + + + + | 18 | Acanthosis | | 1 2.0| Hyperkeratosis | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + | 17 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + | 17 | Hypothalamus, Compression | 4 4 4 4 | 5 3.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + +| 18 | Alveolus, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + | 17 | __________________________________________________________________________|____________| Trachea | + + + + + + + | 17 | Inflammation, Subacute | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | Middle Ear, Inflammation, Chronic | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 5| 5| 5| 7| 7| | DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 4| 3| 3| 3| 9| 9| 7| 3| 3| | | 2| 8| 2| 7| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 5| 8| 8| 8| 9| 9| 2| 5| 1| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Active | | 1 3.0| __________________________________________________________________________|____________| Eye | + + + +| 9 | Bilateral, Lens Crystalline, Cataract| 3 | 1 3.0| Lens Crystalline, Cataract | 1 3 4| 8 3.0| Posterior Chamber, Inflammation, | | | Chronic | 2 3 3 | 8 2.6| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + | 17 | Nephropathy, Multifocal | 2 2 1 1 | 6 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + | 16 | Ectasia | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 46 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 6| 7| DAY ON TEST | 2| 2| 2| 2| 2| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 3| 8| 3| 3| 3| 7| 3| 3| 2| 3| | 9| 9| 9| 9| 9| 0| 0| 0| 1| 0| 0| 1| 1| 1| 0| 1| 3| 1| 0| 2| 5| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + M + + + + + + + + + M| Inflammation, Chronic Active, Focal | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X| Clear Cell Focus | X | Eosinophilic Focus | X X X | Mixed Cell Focus | X | Necrosis, Coagulative, Multifocal | | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Sinusoid, Angiectasis | 4 | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 2 1 1 1 1 1 1 1 1 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Parotid Gland, Atrophy | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation, Suppurative | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Proliferation, Focal | | __________________________________________________________________________| Tooth | + | Dysplasia | 2 | Gingiva, Inflammation, Chronic Active| | Gingiva, Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium Left, Thrombosis | X | Coronary Artery, Inflammation, | | Chronic | 1 | Endocardium, Proliferation | | Epicardium, Inflammation, Chronic | | Myocardium, Degeneration, Multifocal | 1 3 2 2 1 1 1 1 1 1 1 1 1 1| Myocardium, Fibrosis, Focal | 2 | _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 6| 7| DAY ON TEST | 2| 2| 2| 2| 2| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 3| 8| 3| 3| 3| 7| 3| 3| 2| 3| | 9| 9| 9| 9| 9| 0| 0| 0| 1| 0| 0| 1| 1| 1| 0| 1| 3| 1| 0| 2| 5| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 2 1 2 1 1 1 1 1 1 2 1 1| Hypertrophy, Focal | | Vacuolization Cytoplasmic, Focal | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 1 1 2 1 3 1 2 2 1 1| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | | Pars Distalis, Angiectasis, Focal | 3 | Pars Distalis, Hyperplasia, Nodular | 1 1 2 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 3 2 3 2 3 3 1 2 2 1 3 1 2 1 2 2 1 2 3 2| Follicle, Dilatation, Focal | 1 | Follicle, Dilatation, Multifocal | 2 1 | Follicular Cell, Hyperplasia, Focal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Chronic | 1 1 | Inflammation, Chronic Active | 2 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Prolapse | | Endometrium, Hyperplasia, Cystic | 2 3 2 | Endometrium, Necrosis, Coagulative | 4 | Wall, Inflammation, Chronic Active | | __________________________________________________________________________| Vagina | + | Cyst | 4 | Prolapse | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia | 2 2 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 6| 7| DAY ON TEST | 2| 2| 2| 2| 2| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 3| 8| 3| 3| 3| 7| 3| 3| 2| 3| | 9| 9| 9| 9| 9| 0| 0| 0| 1| 0| 0| 1| 1| 1| 0| 1| 3| 1| 0| 2| 5| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Sinus, Mandibular, Ectasia | 3 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + | Sinus, Ectasia | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | | __________________________________________________________________________| Thymus | M + M M + + + + + + + + + + + + + + + + + M + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 3 3 3 1 1 2 2 1 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Gliosis, Focal | 1 | Infarct | | Hypothalamus, Compression | 3 4 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolus, Hemorrhage | 2 | Artery, Mineralization | 1 | Interstitium, Inflammation, Chronic, | | Multifocal | 1| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + + + + | Anterior Chamber, Inflammation, | | Suppurative | 4 | Lens Crystalline, Cataract | 3 4 3 4 2 | Posterior Chamber, Inflammation, | | Chronic | 3 2 | Retina, Atrophy | 4 3 4 4 4 | Sclera, Mineralization, Multifocal | | __________________________________________________________________________| Harderian Gland | + + + + + | Inflammation, Chronic, Multifocal | 1 1 1 2 | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 6| 7| DAY ON TEST | 2| 2| 2| 2| 2| 3| 3| 3| 7| 3| 3| 3| 3| 3| 0| 3| 8| 3| 3| 3| 7| 3| 3| 2| 3| | 9| 9| 9| 9| 9| 0| 0| 0| 1| 0| 0| 1| 1| 1| 0| 1| 3| 1| 0| 2| 5| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Multifocal | 1 1 1 1 2 1 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Transitional Epithelium, Hyperplasia,| | Focal | | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 4| 3| 0| 2| 3| 3| 3| 9| 3| 3| 3| 2| 3| 3| 9| 9| 3| 3| 3| 3| 3| | | 6| 6| 6| 6| 3| 6| 7| 3| 7| 7| 7| 3| 7| 7| 8| 0| 8| 8| 9| 9| 8| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic Active, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X | 6 | Clear Cell Focus | X | 2 | Eosinophilic Focus | X X | 5 | Mixed Cell Focus | | 1 | Necrosis, Coagulative, Multifocal | 1 | 1 1.0| Centrilobular, Cytomegaly | 1 1 2 1 1 2 1 1 1 2 1 1 1 2 1 1 1 1 1 1| 42 1.1| Sinusoid, Angiectasis | | 1 4.0| __________________________________________________________________________|____________| Mesentery | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 1 1 2 1 1 1 1 4 1 3 1 | 22 1.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + M + + + + + + + + + + + + + + + + +| 49 | Acinus, Parotid Gland, Atrophy | | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 2 | 1 2.0| Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mucosa, Proliferation, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Tooth | + + | 3 | Dysplasia | | 1 2.0| Gingiva, Inflammation, Chronic Active| 4 | 1 4.0| Gingiva, Inflammation, Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium Left, Thrombosis | | 1 | Coronary Artery, Inflammation, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 51 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 4| 3| 0| 2| 3| 3| 3| 9| 3| 3| 3| 2| 3| 3| 9| 9| 3| 3| 3| 3| 3| | | 6| 6| 6| 6| 3| 6| 7| 3| 7| 7| 7| 3| 7| 7| 8| 0| 8| 8| 9| 9| 8| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Chronic | | 1 1.0| Endocardium, Proliferation | 2 | 1 2.0| Epicardium, Inflammation, Chronic | 1 1 | 2 1.0| Myocardium, Degeneration, Multifocal | 1 2 1 1 1 1 1 1 1 1 2 1 1| 27 1.2| Myocardium, Fibrosis, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 1 1 1 2 2 2 2 2 2| 22 1.4| Hypertrophy, Focal | 1 1 | 2 1.0| Vacuolization Cytoplasmic, Focal | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 2 1 1 1 1 1 1 | 18 1.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + M + M + + + + + + + + +| 48 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | 2 | 1 2.0| Pars Distalis, Angiectasis, Focal | 2 3 | 3 2.7| Pars Distalis, Hyperplasia, Nodular | 1 2 2 3 3 2| 10 1.8| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 3 2 1 2 2 1 2 3 3 1 3 3 2 2 3 1 2 2 3 2 2| 43 2.1| Follicle, Dilatation, Focal | 1| 2 1.0| Follicle, Dilatation, Multifocal | | 2 1.5| Follicular Cell, Hyperplasia, Focal | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 | 3 2.0| Inflammation, Chronic | 2 1 1 1 1| 7 1.1| Inflammation, Chronic Active | 3 2 | 4 2.3| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicle, Cyst | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Prolapse | X | 1 | Endometrium, Hyperplasia, Cystic | 3 1 4 | 6 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 52 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 4| 3| 0| 2| 3| 3| 3| 9| 3| 3| 3| 2| 3| 3| 9| 9| 3| 3| 3| 3| 3| | | 6| 6| 6| 6| 3| 6| 7| 3| 7| 7| 7| 3| 7| 7| 8| 0| 8| 8| 9| 9| 8| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Endometrium, Necrosis, Coagulative | 4 | 2 4.0| Wall, Inflammation, Chronic Active | 3 3 | 2 3.0| __________________________________________________________________________|____________| Vagina | + | 2 | Cyst | | 1 4.0| Prolapse | X | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Hyperplasia | 3 3 2 3 1 | 8 2.3| __________________________________________________________________________|____________| Lymph Node | + + + + + + + M + + + + + + + + + + + + + + + + +| 49 | Sinus, Mandibular, Ectasia | 2 | 3 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 4 | Sinus, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Focal | 3 3 | 2 3.0| __________________________________________________________________________|____________| Thymus | + + M + + + + + + + + + + + + + + + + + + + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Cystic | 1 1 3 2 2 2 3 | 16 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Gliosis, Focal | | 1 1.0| Infarct | 4 | 1 4.0| Hypothalamus, Compression | 3 | 4 3.3| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolus, Hemorrhage | 1 | 2 1.5| Artery, Mineralization | | 1 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 53 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 4| 3| 0| 2| 3| 3| 3| 9| 3| 3| 3| 2| 3| 3| 9| 9| 3| 3| 3| 3| 3| | | 6| 6| 6| 6| 3| 6| 7| 3| 7| 7| 7| 3| 7| 7| 8| 0| 8| 8| 9| 9| 8| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 8 | Anterior Chamber, Inflammation, | | | Suppurative | | 1 4.0| Lens Crystalline, Cataract | 3 | 6 3.2| Posterior Chamber, Inflammation, | | | Chronic | | 2 2.5| Retina, Atrophy | 4 | 6 3.8| Sclera, Mineralization, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | + + | 7 | Inflammation, Chronic, Multifocal | 1 | 5 1.2| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Multifocal | 1 1 1 1 1 1 1 1 | 15 1.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 | 2 1.0| Transitional Epithelium, Hyperplasia,| | | Focal | 2| 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 1| 1| 1| 1| 1| 7| 7| 7| 3| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 7| DAY ON TEST | 4| 2| 2| 2| 3| 2| 2| 2| 2| 2| 1| 3| 3| 9| 3| 8| 3| 3| 3| 3| 3| 9| 3| 4| 3| | 0| 9| 9| 9| 0| 8| 8| 8| 8| 8| 4| 0| 0| 5| 0| 2| 1| 1| 1| 1| 2| 3| 2| 3| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + + + +| Ulcer | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | Inflammation, Chronic, Focal | 1 | Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X | Eosinophilic Focus | | Hepatodiaphragmatic Nodule | X X | Mixed Cell Focus | X | Regeneration, Focal | | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Tissue | | Acinus, Atrophy | 2 1 1 2 | Acinus, Hypertrophy, Focal | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | | Gingiva, Inflammation, Chronic Active| | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium Left, Thrombosis | X | Coronary Artery, Inflammation, | | Chronic | | Epicardium, Inflammation, Chronic | 1 | Myocardium, Degeneration, Multifocal | 1 1 2 3 1 1 1 1 2 | Myocardium, Inflammation, Chronic, | | Multifocal | 1 | Valve, Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 1| 1| 1| 1| 1| 7| 7| 7| 3| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 7| DAY ON TEST | 4| 2| 2| 2| 3| 2| 2| 2| 2| 2| 1| 3| 3| 9| 3| 8| 3| 3| 3| 3| 3| 9| 3| 4| 3| | 0| 9| 9| 9| 0| 8| 8| 8| 8| 8| 4| 0| 0| 5| 0| 2| 1| 1| 1| 1| 2| 3| 2| 3| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 2 2 2 3 1 1 | Mineralization, Focal | | Vacuolization Cytoplasmic, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 1 3 2 1 1 1 1 1 2 1 1| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + M + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 3 3 | Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia, Nodular | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 1 2 2 2 1 2 2 1 2 1 2 1 2 3 2| Follicle, Hyperplasia, Focal | 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Chronic | 1 1 2 1 | Inflammation, Chronic Active | 2 | Duct, Dilatation | 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Follicle, Cyst | X | Periovarian Tissue, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Prolapse | X | Endometrium, Hyperplasia, Cystic | 1 2 4 | Endometrium, Necrosis, Coagulative | | Wall, Bacterium | X | Wall, Inflammation, Chronic Active | 3 2 | __________________________________________________________________________| Vagina | + +| Cyst | 4 4| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia | 2 3 3 | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 1| 1| 1| 1| 1| 7| 7| 7| 3| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 7| DAY ON TEST | 4| 2| 2| 2| 3| 2| 2| 2| 2| 2| 1| 3| 3| 9| 3| 8| 3| 3| 3| 3| 3| 9| 3| 4| 3| | 0| 9| 9| 9| 0| 8| 8| 8| 8| 8| 4| 0| 0| 5| 0| 2| 1| 1| 1| 1| 2| 3| 2| 3| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 2 2 3 2 2 1 1 | Necrosis, Coagulative | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 3 | Infiltration Cellular, | | Polymorphonuclear | | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypothalamus, Compression | | __________________________________________________________________________| Peripheral Nerve | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 1 2 | Artery, Mineralization | | Interstitium, Inflammation, Chronic, | | Multifocal | 1| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Lamina Propria, Inflammation, Chronic| | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | Canal, External Ear, Exudate, | | Subacute | 2 | Middle Ear, Inflammation, Chronic | | Middle Ear, Inflammation, Chronic | | Active | | Middle Ear, Inflammation, Subacute | | __________________________________________________________________________| Eye | + +| _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 1| 1| 1| 1| 1| 7| 7| 7| 3| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 7| DAY ON TEST | 4| 2| 2| 2| 3| 2| 2| 2| 2| 2| 1| 3| 3| 9| 3| 8| 3| 3| 3| 3| 3| 9| 3| 4| 3| | 0| 9| 9| 9| 0| 8| 8| 8| 8| 8| 4| 0| 0| 5| 0| 2| 1| 1| 1| 1| 2| 3| 2| 3| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Lens Crystalline, Cataract | 1 3| Retina, Atrophy | 4| __________________________________________________________________________| Harderian Gland | | Inflammation, Chronic, Multifocal | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Inflammation, Multifocal, Necrotizing| 4 | Nephropathy, Multifocal | 1 1 1 1 1 1 1| Pelvis, Renal Tubule, Bacterium | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | Transitional Epithelium, Hyperplasia,| | Diffuse | 4 | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 3| 4| 3| 3| 1| 3| 9| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 8| | | 2| 4| 6| 6| 1| 6| 3| 6| 7| 7| 1| 7| 7| 8| 8| 2| 8| 8| 9| 9| 1| 0| 9| 9| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation | 4 | 1 4.0| Inflammation, Chronic, Focal | 1 | 2 1.0| Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 3 | Clear Cell Focus | X X | 3 | Eosinophilic Focus | X X | 2 | Hepatodiaphragmatic Nodule | | 2 | Mixed Cell Focus | X X X | 4 | Regeneration, Focal | 2 | 1 2.0| Centrilobular, Cytomegaly | 1 1 1 1 1 2 1 1 1 2 1 1 1 1 2 1 1 1 1 1 | 38 1.1| __________________________________________________________________________|____________| Mesentery | + | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectopic Tissue | X | 1 | Acinus, Atrophy | 1 1 2 1 3 1 1 2 1 1 | 14 1.4| Acinus, Hypertrophy, Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Subacute | 3| 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Tooth | + | 1 | Gingiva, Inflammation, Chronic Active| 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium Left, Thrombosis | | 1 | Coronary Artery, Inflammation, | | | Chronic | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 59 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 3| 4| 3| 3| 1| 3| 9| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 8| | | 2| 4| 6| 6| 1| 6| 3| 6| 7| 7| 1| 7| 7| 8| 8| 2| 8| 8| 9| 9| 1| 0| 9| 9| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Epicardium, Inflammation, Chronic | 1 | 2 1.0| Myocardium, Degeneration, Multifocal | 1 1 1 1 2 1 1 1 1 1 2| 20 1.3| Myocardium, Inflammation, Chronic, | | | Multifocal | 1 1 1 1 | 5 1.0| Valve, Inflammation, Chronic | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 3 1 1 1 1 1 2 2 | 15 1.6| Mineralization, Focal | 1 | 1 1.0| Vacuolization Cytoplasmic, Focal | 1| 1 1.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 2 2 2 1| 15 1.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + M + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis, Focal | | 2 3.0| Pars Distalis, Cyst | X X X | 4 | Pars Distalis, Hyperplasia, Nodular | 1 | 2 1.0| __________________________________________________________________________|____________| Thyroid Gland | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 3 4 2 1 2 2 1 2 1 3 1 3 2 1 2 2 1 1 1 2 2 2| 39 1.8| Follicle, Hyperplasia, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| 49 | Hyperplasia | | 1 2.0| Inflammation, Chronic | 1 1 1 1 1 | 9 1.1| Inflammation, Chronic Active | | 1 2.0| Duct, Dilatation | 3 2 | 3 2.7| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 3| 2 2.0| Follicle, Cyst | | 1 | Periovarian Tissue, Cyst | X X | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Prolapse | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 60 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 3| 4| 3| 3| 1| 3| 9| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 8| | | 2| 4| 6| 6| 1| 6| 3| 6| 7| 7| 1| 7| 7| 8| 8| 2| 8| 8| 9| 9| 1| 0| 9| 9| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Endometrium, Hyperplasia, Cystic | 4 2 3 2 2 3 4 | 10 2.7| Endometrium, Necrosis, Coagulative | 4 | 1 4.0| Wall, Bacterium | | 1 | Wall, Inflammation, Chronic Active | 4 | 3 3.0| __________________________________________________________________________|____________| Vagina | + | 3 | Cyst | 4 | 3 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Hyperplasia | 2 2 3 2 3 1 | 9 2.3| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 3 | Sinus, Ectasia | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + M + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Cystic | 1 2 1 2 2 2 1 1 2 3 2 2 2 3| 21 1.9| Necrosis, Coagulative | 3 | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Edema | | 1 3.0| Infiltration Cellular, | | | Polymorphonuclear | 3 | 1 3.0| Inflammation, Chronic | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hypothalamus, Compression | 4 4| 2 4.0| __________________________________________________________________________|____________| Peripheral Nerve | +| 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | | 3 1.7| Artery, Mineralization | 1 | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 61 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 6| 7| 7| 5| | DAY ON TEST | 3| 4| 3| 3| 1| 3| 9| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 3| 7| 3| 3| 3| 8| | | 2| 4| 6| 6| 1| 6| 3| 6| 7| 7| 1| 7| 7| 8| 8| 2| 8| 8| 9| 9| 1| 0| 9| 9| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lamina Propria, Inflammation, Chronic| 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + + +| 4 | Canal, External Ear, Exudate, | | | Subacute | | 1 2.0| Middle Ear, Inflammation, Chronic | 2 | 1 2.0| Middle Ear, Inflammation, Chronic | | | Active | 2| 1 2.0| Middle Ear, Inflammation, Subacute | 3 | 1 3.0| __________________________________________________________________________|____________| Eye | + + | 4 | Lens Crystalline, Cataract | 4 4 | 4 3.0| Retina, Atrophy | 4 4 | 3 4.0| __________________________________________________________________________|____________| Harderian Gland | + + | 2 | Inflammation, Chronic, Multifocal | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 2 | 1 2.0| Inflammation, Multifocal, Necrotizing| | 1 4.0| Nephropathy, Multifocal | 1 1 1 1 1 1 1 2 | 15 1.1| Pelvis, Renal Tubule, Bacterium | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 2.0| Transitional Epithelium, Hyperplasia,| | | Diffuse | | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 62 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| DAY ON TEST | 3| 3| 7| 4| 3| 3| 3| 8| 3| 5| 3| 0| 6| 3| 1| 3| 1| 3| 1| 3| 9| 3| 3| 3| 4| | 2| 2| 3| 5| 2| 3| 3| 8| 3| 5| 2| 1| 1| 4| 6| 4| 7| 4| 6| 5| 5| 5| 5| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + A| Arteriole, Inflammation, Chronic | 3 | Arteriole, Thrombosis | X | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + A| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + M + A| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + A + + + A| Ulcer | 1 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + A| Inflammation, Chronic, Focal | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 1 X X X X X X X X X | Clear Cell Focus | | Degeneration, Cystic | 2 1 | Eosinophilic Focus | X X X | Fatty Change | 2 1 | Mixed Cell Focus | X | Necrosis, Coagulative, Multifocal | 1 1 2 | Necrosis, Caseous, Focal | 1 | Sinusoid, Angiectasis | | Sinusoid, Angiectasis, Multifocal | 2 | __________________________________________________________________________| Mesentery | + +| Inflammation, Chronic | 1 | Fat, Necrosis | 4| __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 2 3 1 1 3 3 1 1 1 2 1 2| Artery, Inflammation, Chronic | 4 | Duct, Concretion | | Duct, Ectasia | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Submandibular Gland, Atrophy | 1 | Parotid Gland, Inflammation, Chronic | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + A| Ulcer | 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + A| Ulcer | 1 | Arteriole, Submucosa, Thrombosis | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 63 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| DAY ON TEST | 3| 3| 7| 4| 3| 3| 3| 8| 3| 5| 3| 0| 6| 3| 1| 3| 1| 3| 1| 3| 9| 3| 3| 3| 4| | 2| 2| 3| 5| 2| 3| 3| 8| 3| 5| 2| 1| 1| 4| 6| 4| 7| 4| 6| 5| 5| 5| 5| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium Left, Thrombosis | X | Myocardium, Degeneration, Multifocal | 1 1 2 3 3 3 3 3 2 2 3 3 3 1 2 1 2 2 2 3 2| Myocardium, Fibrosis, Focal | 2 | Myocardium, Inflammation, Chronic, | | Focal | | Myocardium, Inflammation, Chronic, | | Multifocal | 1 | Myocardium, Inflammation, Multifocal,| | Necrotizing | | Valve, Bacterium | X | Valve, Inflammation, Chronic Active | 3 | Valve, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 3 1 2 3 2 2 1 4 3 1 1 | Hypertrophy, Focal | 2 | Vacuolization Cytoplasmic, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 1 1 2 1 2 1 4 1 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + M + + + + + + + + + + M + + + + + + + + + +| Hyperplasia, Diffuse | 3 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 2 | Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | | Pars Distalis, Hyperplasia, Nodular | 1 1 | Pars Nervosa, Inflammation, | | Multifocal, Subacute | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + A| Necrosis, Caseous, Focal | | C-Cell, Hyperplasia | 3 2 2 3 3 3 2 4 3 3 4 4 3 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 1 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 64 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| DAY ON TEST | 3| 3| 7| 4| 3| 3| 3| 8| 3| 5| 3| 0| 6| 3| 1| 3| 1| 3| 1| 3| 9| 3| 3| 3| 4| | 2| 2| 3| 5| 2| 3| 3| 8| 3| 5| 2| 1| 1| 4| 6| 4| 7| 4| 6| 5| 5| 5| 5| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hyperplasia | | Inflammation, Chronic | 3 2 2 2 3 3 1 1 1 1 1| Inflammation, Chronic Active | 1 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma | | Hemorrhage | | __________________________________________________________________________| Seminal Vesicle | + + | Hemorrhage | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 1 | Necrosis | | Artery, Inflammation, Chronic | 2 | Interstitial Cell, Hyperplasia | | Seminiferous Tubule, Atrophy | 4 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia | 3 3 2 2 3 2 2 3 1 1| Femoral, Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hematopoietic Cell | | Proliferation | 1 | Mediastinal, Medulla, Fibrosis | 2 | Mediastinal, Sinus, Ectasia | | Sinus, Mandibular, Ectasia | | __________________________________________________________________________| Lymph Node, Bronchial | + | __________________________________________________________________________| Lymph Node, Mesenteric | + | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | 2 2 | Hematopoietic Cell Proliferation | 4 | Capsule, Pigmentation, Focal, | | Hemosiderin | 1 | __________________________________________________________________________| Thymus | + + + + + + + + + + M + + + + + + M + M M M + + +| Ectopic Parathyroid Gland | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + | Granuloma | 1 | Hyperplasia, Cystic | 3 3 2 2 2 3 2 3 2 2 1 | __________________________________________________________________________| Skin | + + + + + + M + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation, Chronic | 1 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | _____________________________________________________________________________________________________________________| Page 65 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| DAY ON TEST | 3| 3| 7| 4| 3| 3| 3| 8| 3| 5| 3| 0| 6| 3| 1| 3| 1| 3| 1| 3| 9| 3| 3| 3| 4| | 2| 2| 3| 5| 2| 3| 3| 8| 3| 5| 2| 1| 1| 4| 6| 4| 7| 4| 6| 5| 5| 5| 5| 9| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Femur, Fibrous Osteodystrophy | 4 | __________________________________________________________________________| Skeletal Muscle | | Hindlimb, Inflammation, Subacute | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Mineralization, Focal | | Hypothalamus, Compression | 1 3 3 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Mineralization | 1 1 | Interstitium, Inflammation, Chronic, | | Focal | 1 | Interstitium, Inflammation, Chronic, | | Multifocal | 2 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | External Ear, Inflammation, Chronic | | Active | | __________________________________________________________________________| Eye | + + | Anterior Chamber, Hemorrhage | | Lens Crystalline, Cataract | 4 1 | Posterior Chamber, Inflammation, | | Chronic | 3 | Retina, Atrophy | 4 | __________________________________________________________________________| Harderian Gland | | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Multifocal | 1 1 2 4 2 3 3 2 3 2 4 3 1 3 1 3 2 2 4 2 1 3 2 3 1| Renal Tubule, Cytoplasmic Alteration | 2 | __________________________________________________________________________| Urethra | + | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 4| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 7| 6| 7| | DAY ON TEST | 3| 5| 3| 4| 3| 1| 4| 5| 4| 4| 8| 1| 4| 5| 4| 4| 4| 2| 6| 4| 3| 1| 4| 9| 4| | | 9| 9| 9| 3| 7| 6| 0| 9| 0| 1| 3| 1| 1| 8| 1| 1| 2| 3| 7| 2| 4| 7| 2| 0| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Arteriole, Inflammation, Chronic | | 1 3.0| Arteriole, Thrombosis | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | X X | 3 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + M + + + + + + + + +| 46 | Ulcer | | 1 1.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X | 17 1.0| Clear Cell Focus | X X | 2 | Degeneration, Cystic | 1 2 1 1 | 6 1.3| Eosinophilic Focus | X X | 5 | Fatty Change | 1 | 3 1.3| Mixed Cell Focus | X | 2 | Necrosis, Coagulative, Multifocal | 3 | 4 1.8| Necrosis, Caseous, Focal | | 1 1.0| Sinusoid, Angiectasis | 2 | 1 2.0| Sinusoid, Angiectasis, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + + + | 7 | Inflammation, Chronic | 2 | 2 1.5| Fat, Necrosis | 4 | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 1 1 1 1 1 3 3 2 4 3 1 1 1 1 | 27 1.7| Artery, Inflammation, Chronic | | 1 4.0| Duct, Concretion | 4 | 1 4.0| Duct, Ectasia | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + +| 48 | Acinus, Submandibular Gland, Atrophy | | 1 1.0| Parotid Gland, Inflammation, Chronic | | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 67 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 4| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 7| 6| 7| | DAY ON TEST | 3| 5| 3| 4| 3| 1| 4| 5| 4| 4| 8| 1| 4| 5| 4| 4| 4| 2| 6| 4| 3| 1| 4| 9| 4| | | 9| 9| 9| 3| 7| 6| 0| 9| 0| 1| 3| 1| 1| 8| 1| 1| 2| 3| 7| 2| 4| 7| 2| 0| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Ulcer | | 2 3.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ulcer | 3 2 | 3 2.0| Arteriole, Submucosa, Thrombosis | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium Left, Thrombosis | | 1 | Myocardium, Degeneration, Multifocal | 2 2 2 1 1 3 4 4 1 3 2 2 2 2 1 1 2 1 | 39 2.1| Myocardium, Fibrosis, Focal | | 1 2.0| Myocardium, Inflammation, Chronic, | | | Focal | 1 | 1 1.0| Myocardium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| Myocardium, Inflammation, Multifocal,| | | Necrotizing | 3 | 1 3.0| Valve, Bacterium | X | 2 | Valve, Inflammation, Chronic Active | 4 | 2 3.5| Valve, Thrombosis | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 2 2 2 1 1 1 1 1| 20 1.8| Hypertrophy, Focal | | 1 2.0| Vacuolization Cytoplasmic, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 3 2 1 1 | 14 1.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| 47 | Hyperplasia, Diffuse | | 2 2.5| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis, Focal | | 1 2.0| Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 2 | 1 2.0| Pars Distalis, Hyperplasia, Nodular | 1 4 2 1| 6 1.7| Pars Nervosa, Inflammation, | | | Multifocal, Subacute | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 68 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 4| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 7| 6| 7| | DAY ON TEST | 3| 5| 3| 4| 3| 1| 4| 5| 4| 4| 8| 1| 4| 5| 4| 4| 4| 2| 6| 4| 3| 1| 4| 9| 4| | | 9| 9| 9| 3| 7| 6| 0| 9| 0| 1| 3| 1| 1| 8| 1| 1| 2| 3| 7| 2| 4| 7| 2| 0| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Necrosis, Caseous, Focal | 1 | 1 1.0| C-Cell, Hyperplasia | 2 1 3 3 3 3 2 2 3 2 2 2 3 2 2 2 3 2 3 2 1 1 2| 37 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Granuloma Sperm | | 1 1.0| __________________________________________________________________________|____________| Preputial Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 | 1 3.0| Inflammation, Chronic | 2 2 1 2 1 2 1 1 2 1 1 2 1 2 1 1 1| 28 1.6| Inflammation, Chronic Active | 3 3 | 4 2.5| __________________________________________________________________________|____________| Prostate | + + + + + M + + + + + + + + + + + + + + + + + + +| 49 | Granuloma | 4 | 1 4.0| Hemorrhage | 4 | 1 4.0| __________________________________________________________________________|____________| Seminal Vesicle | + | 3 | Hemorrhage | 4 | 1 4.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | | 1 1.0| Necrosis | 4 4 | 2 4.0| Artery, Inflammation, Chronic | | 1 2.0| Interstitial Cell, Hyperplasia | 1 | 1 1.0| Seminiferous Tubule, Atrophy | 4 4 | 4 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Hyperplasia | 3 3 4 2 2 4 3 2 1 1 2 | 21 2.3| Femoral, Myelofibrosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mediastinal, Hematopoietic Cell | | | Proliferation | | 1 1.0| Mediastinal, Medulla, Fibrosis | | 1 2.0| Mediastinal, Sinus, Ectasia | 3 | 1 3.0| Sinus, Mandibular, Ectasia | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + | 5 | Sinus, Ectasia | 4 3 | 2 3.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 69 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 4| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 7| 6| 7| | DAY ON TEST | 3| 5| 3| 4| 3| 1| 4| 5| 4| 4| 8| 1| 4| 5| 4| 4| 4| 2| 6| 4| 3| 1| 4| 9| 4| | | 9| 9| 9| 3| 7| 6| 0| 9| 0| 1| 3| 1| 1| 8| 1| 1| 2| 3| 7| 2| 4| 7| 2| 0| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Fibrosis, Focal | | 2 2.0| Hematopoietic Cell Proliferation | 2 1 | 3 2.3| Capsule, Pigmentation, Focal, | | | Hemosiderin | | 1 1.0| __________________________________________________________________________|____________| Thymus | + + + + M + + M + + + + + + M + M + + + + + + + M| 40 | Ectopic Parathyroid Gland | | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + +| 23 | Granuloma | | 1 1.0| Hyperplasia, Cystic | 2 1 2 1 1 2 2 1 1| 20 1.9| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | 2 | 1 2.0| Inflammation, Chronic | | 2 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Femur, Fibrous Osteodystrophy | | 1 4.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Hindlimb, Inflammation, Subacute | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 3 2 | 2 2.5| Mineralization, Focal | 1 | 1 1.0| Hypothalamus, Compression | 1 3 1 2 | 8 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Mineralization | | 2 1.0| Interstitium, Inflammation, Chronic, | | | Focal | 1 | 2 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 70 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 4| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 7| 6| 7| | DAY ON TEST | 3| 5| 3| 4| 3| 1| 4| 5| 4| 4| 8| 1| 4| 5| 4| 4| 4| 2| 6| 4| 3| 1| 4| 9| 4| | | 9| 9| 9| 3| 7| 6| 0| 9| 0| 1| 3| 1| 1| 8| 1| 1| 2| 3| 7| 2| 4| 7| 2| 0| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | External Ear, Inflammation, Chronic | | | Active | 2 | 1 2.0| __________________________________________________________________________|____________| Eye | + + + + + + + | 9 | Anterior Chamber, Hemorrhage | 4 | 1 4.0| Lens Crystalline, Cataract | 1 2 3 3 4 3 2 | 9 2.6| Posterior Chamber, Inflammation, | | | Chronic | | 1 3.0| Retina, Atrophy | 4 4 4 4 4 4 | 7 4.0| __________________________________________________________________________|____________| Harderian Gland | + + | 2 | __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Multifocal | 3 1 2 1 3 1 2 1 2 2 1 3 3 1 3 2 3 1 1 1 1 1 2 1 2| 50 2.0| Renal Tubule, Cytoplasmic Alteration | | 1 2.0| __________________________________________________________________________|____________| Urethra | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 71 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 6| 7| 7| 5| 7| 6| 5| 5| 7| 5| 7| 6| 7| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 6| 3| 3| 3| 0| 3| 1| 3| 3| 3| 1| 7| 6| 3| 4| 3| 8| 3| 3| 3| 3| 2| 7| 6| 5| | 2| 2| 2| 2| 3| 2| 5| 3| 0| 3| 3| 0| 9| 3| 4| 4| 8| 4| 4| 5| 5| 7| 9| 2| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + A + + + A + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + A + A + + + A + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + A + + + A + + + + +| Parasite Metazoan | X X| __________________________________________________________________________| Intestine Large, Rectum | + + A + A + + + A + + + + +| __________________________________________________________________________| Intestine Small | + + + + A + + + A + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + A + + + A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + A + A + + + A + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + A + A + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X | Clear Cell Focus | X X | Degeneration, Cystic | 1 1 1 | Eosinophilic Focus | X | Fatty Change | | Hepatodiaphragmatic Nodule | X | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | 2 2 2 | Centrilobular, Necrosis, Coagulative | 2 | Periportal, Vacuolization Cytoplasmic| 2 | Sinusoid, Angiectasis, Focal | 1 | Sinusoid, Angiectasis | 1 | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + +| Autolysis | 3 | Acinus, Atrophy | 2 2 1 2 2 3 1| Duct, Ectasia | 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + +| Acinus, Submandibular Gland, Atrophy | 3 | __________________________________________________________________________| Stomach | + + + + + + + + A + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + A + + + + +| Edema | | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + A + + + + A + + + + +| Edema | | Ulcer | | __________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic Active | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 72 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 6| 7| 7| 5| 7| 6| 5| 5| 7| 5| 7| 6| 7| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 6| 3| 3| 3| 0| 3| 1| 3| 3| 3| 1| 7| 6| 3| 4| 3| 8| 3| 3| 3| 3| 2| 7| 6| 5| | 2| 2| 2| 2| 3| 2| 5| 3| 0| 3| 3| 0| 9| 3| 4| 4| 8| 4| 4| 5| 5| 7| 9| 2| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Atrium Left, Thrombosis | X | Myocardium, Degeneration, Multifocal | 2 2 2 1 2 2 2 2 1 3 2 2 3 3| Myocardium, Mineralization, Focal | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 1 1 2 3 1 2| Hypertrophy, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | Hyperplasia, Nodular | 2 3 1 2 1 3 1 2 4 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | | Pars Distalis, Hyperplasia, Nodular | 1 | __________________________________________________________________________| Thyroid Gland | + + + A + A + + + A + + + + + +| C-Cell, Hyperplasia | 3 1 3 2 2 1| Follicle, Dilatation, Focal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ductus Deferens | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + M + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic | 3 2 2 1 1 1 1 2 1 1| Inflammation, Chronic Active | 2 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | 3 | Seminiferous Tubule, Atrophy | 2 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + A + + + + + + + + +| Femoral, Hyperplasia | 4 3 2 2 2 3 3 3 3 3| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + +| Lumbar, Sinus, Ectasia | 4 | __________________________________________________________________________| Lymph Node, Bronchial | + | _____________________________________________________________________________________________________________________| Page 73 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 6| 7| 7| 5| 7| 6| 5| 5| 7| 5| 7| 6| 7| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 6| 3| 3| 3| 0| 3| 1| 3| 3| 3| 1| 7| 6| 3| 4| 3| 8| 3| 3| 3| 3| 2| 7| 6| 5| | 2| 2| 2| 2| 3| 2| 5| 3| 0| 3| 3| 0| 9| 3| 4| 4| 8| 4| 4| 5| 5| 7| 9| 2| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + | Infiltration Cellular, Histiocyte | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + +| Fibrosis, Focal | 3 | Hematopoietic Cell Proliferation | 4 | Capsule, Fibrosis, Focal | | Red Pulp, Pigmentation, Diffuse, | | Hemosiderin | 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + M +| Mediastinum, Inflammation, Chronic, | | Multifocal | 2 | Vein, Congestion | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + | Hyperplasia, Cystic | 3 1 2 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + +| Hyperkeratosis | 1 | Inflammation, Necrotizing | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + +| Cranium, Inflammation, Chronic, Focal| 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + +| Hemorrhage | 1 | Infarct | | Hypothalamus, Compression | 4 | __________________________________________________________________________| Peripheral Nerve | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + +| Congestion | 3 3 | Alveolus, Hemorrhage | 3 | Interstitium, Inflammation, Chronic, | | Focal | 2 | Interstitium, Inflammation, Chronic, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | _____________________________________________________________________________________________________________________| Page 74 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 6| 7| 7| 5| 7| 6| 5| 5| 7| 5| 7| 6| 7| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 6| 3| 3| 3| 0| 3| 1| 3| 3| 3| 1| 7| 6| 3| 4| 3| 8| 3| 3| 3| 3| 2| 7| 6| 5| | 2| 2| 2| 2| 3| 2| 5| 3| 0| 3| 3| 0| 9| 3| 4| 4| 8| 4| 4| 5| 5| 7| 9| 2| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Pinna, Inflammation, Necrotizing | | __________________________________________________________________________| Eye | + | Lens Crystalline, Cataract | 3 | Posterior Chamber, Inflammation, | | Chronic | | Retina, Atrophy | 4 | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + +| Infarct | | Nephropathy, Multifocal | 3 3 3 2 1 1 1 1 1 2 1 2 1| __________________________________________________________________________| Urinary Bladder | + + + + A + + + + + + + + +| Dilatation | | _____________________________________________________________________________________________________________________| Page 75 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 4| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 4| 3| 3| 3| 1| 8| 4| 4| 4| 4| 1| 4| 1| 4| 1| 5| 7| 4| 4| 6| 1| 6| | | 5| 9| 7| 6| 9| 9| 6| 4| 7| 0| 0| 1| 1| 9| 1| 8| 2| 8| 1| 3| 2| 2| 6| 8| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + +| 27 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + +| 25 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + A + + + + + A + + +| 22 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + M + + + + + + +| 24 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + +| 24 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + +| 25 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + +| 25 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + A + + + + + A + + +| 22 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + +| 24 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X| 17 | Clear Cell Focus | X X X | 5 | Degeneration, Cystic | 2 1 | 5 1.2| Eosinophilic Focus | X | 2 | Fatty Change | 1 | 1 1.0| Hepatodiaphragmatic Nodule | | 1 | Necrosis, Coagulative, Focal | 1 | 1 1.0| Necrosis, Coagulative, Multifocal | 2 1 | 5 1.8| Centrilobular, Necrosis, Coagulative | | 1 2.0| Periportal, Vacuolization Cytoplasmic| | 1 2.0| Sinusoid, Angiectasis, Focal | | 1 1.0| Sinusoid, Angiectasis | 1 1 1 | 4 1.0| __________________________________________________________________________|____________| Mesentery | + | 3 | Fat, Necrosis | 4 | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + +| 27 | Autolysis | | 1 3.0| Acinus, Atrophy | 1 1 2 2 1 1 2 | 14 1.6| Duct, Ectasia | 2 | 2 1.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + +| 27 | Acinus, Submandibular Gland, Atrophy | | 1 3.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + +| 27 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + +| 26 | Edema | 3 | 1 3.0| Ulcer | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + +| 25 | Edema | 3 | 1 3.0| Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 76 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 4| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 4| 3| 3| 3| 1| 8| 4| 4| 4| 4| 1| 4| 1| 4| 1| 5| 7| 4| 4| 6| 1| 6| | | 5| 9| 7| 6| 9| 9| 6| 4| 7| 0| 0| 1| 1| 9| 1| 8| 2| 8| 1| 3| 2| 2| 6| 8| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Peridontal Tissue, Inflammation, | | | Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + +| 28 | Atrium Left, Thrombosis | | 1 | Myocardium, Degeneration, Multifocal | 2 3 1 3 1 1 3 3| 22 2.1| Myocardium, Mineralization, Focal | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 1 2 4 | 10 1.8| Hypertrophy, Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 4.0| Hyperplasia, Nodular | 2 1 3 1 1 3 1 1 1 3 1 1 1 1 1| 25 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + +| 27 | __________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + + + +| 26 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + +| 34 | Pars Distalis, Angiectasis, Focal | 3 | 1 3.0| Pars Distalis, Hyperplasia, Nodular | 2| 2 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + +| 26 | C-Cell, Hyperplasia | 2 2 3 2 2 1 2 | 13 2.0| Follicle, Dilatation, Focal | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ductus Deferens | + | 1 | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + +| 27 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + +| 27 | Hyperplasia | 4 | 1 4.0| Inflammation, Chronic | 2 1 1 1 1 1 2 1| 18 1.4| Inflammation, Chronic Active | 1 3 3 | 5 2.6| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + +| 27 | __________________________________________________________________________|____________| Seminal Vesicle | | 1 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 77 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 4| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 4| 3| 3| 3| 1| 8| 4| 4| 4| 4| 1| 4| 1| 4| 1| 5| 7| 4| 4| 6| 1| 6| | | 5| 9| 7| 6| 9| 9| 6| 4| 7| 0| 0| 1| 1| 9| 1| 8| 2| 8| 1| 3| 2| 2| 6| 8| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Interstitial Cell, Hyperplasia | | 1 3.0| Seminiferous Tubule, Atrophy | 4 4 4 4 4 4 4 | 9 3.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + +| 26 | Femoral, Hyperplasia | 2 2 2 2 2 3 4 2 2 2| 20 2.6| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + +| 27 | Lumbar, Sinus, Ectasia | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 7 | Infiltration Cellular, Histiocyte | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + +| 33 | Fibrosis, Focal | 3 | 2 3.0| Hematopoietic Cell Proliferation | | 1 4.0| Capsule, Fibrosis, Focal | 3 | 1 3.0| Red Pulp, Pigmentation, Diffuse, | | | Hemosiderin | | 1 3.0| __________________________________________________________________________|____________| Thymus | + M M + + + + + + M + + +| 23 | Mediastinum, Inflammation, Chronic, | | | Multifocal | | 1 2.0| Vein, Congestion | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + | 12 | Hyperplasia, Cystic | 3 3 3 4 4 1 | 11 2.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + +| 29 | Hyperkeratosis | | 1 1.0| Inflammation, Necrotizing | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + +| 27 | Cranium, Inflammation, Chronic, Focal| | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + +| 27 | Hemorrhage | | 1 1.0| Infarct | 4 4 4 3 | 4 3.8| Hypothalamus, Compression | 1 4 3 | 4 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 4| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 4| 3| 3| 3| 1| 8| 4| 4| 4| 4| 1| 4| 1| 4| 1| 5| 7| 4| 4| 6| 1| 6| | | 5| 9| 7| 6| 9| 9| 6| 4| 7| 0| 0| 1| 1| 9| 1| 8| 2| 8| 1| 3| 2| 2| 6| 8| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Peripheral Nerve | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + +| 27 | Congestion | | 2 3.0| Alveolus, Hemorrhage | | 1 3.0| Interstitium, Inflammation, Chronic, | | | Focal | | 1 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 2 2 1 | 3 1.7| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + +| 27 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + +| 27 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | Pinna, Inflammation, Necrotizing | 4 | 1 4.0| __________________________________________________________________________|____________| Eye | + + | 3 | Lens Crystalline, Cataract | 4 | 2 3.5| Posterior Chamber, Inflammation, | | | Chronic | 4 3 | 2 3.5| Retina, Atrophy | | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + +| 28 | Infarct | 3 | 1 3.0| Nephropathy, Multifocal | 1 1 1 2 2 3 3 3 1 1 1 1 2| 26 1.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + +| 26 | Dilatation | 4 | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 79 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 3| 7| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 3| DAY ON TEST | 3| 4| 3| 3| 3| 8| 3| 3| 4| 0| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| 7| 1| 3| | 2| 0| 2| 2| 2| 3| 2| 3| 9| 9| 5| 3| 3| 0| 3| 3| 4| 3| 4| 4| 9| 5| 3| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | A + + + + A + + + A +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + A + + + A A| __________________________________________________________________________| Intestine Large, Colon | A + M + + A + + + A +| Diverticulum | | __________________________________________________________________________| Intestine Large, Rectum | A + + + + A + + + A +| __________________________________________________________________________| Intestine Small | A + + + + + + + + A +| __________________________________________________________________________| Intestine Small, Duodenum | A + + + + + + + + A +| __________________________________________________________________________| Intestine Small, Ileum | A + + + + A + + + A A| __________________________________________________________________________| Intestine Small, Jejunum | A + + + + A + + + A A| __________________________________________________________________________| Liver | + A + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X | Clear Cell Focus | X X X X X X X X | Degeneration, Cystic | 2 1 1 1 | Eosinophilic Focus | X X X | Fatty Change | | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | | Regeneration, Focal | | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 | Centrilobular, Necrosis, Coagulative | 3 | Sinusoid, Angiectasis, Focal | 1 | Sinusoid, Angiectasis | 1 | __________________________________________________________________________| Mesentery | + + | __________________________________________________________________________| Pancreas | A + + + + + + + + + A +| Acinus, Atrophy | 3 2 3 1 2 | Acinus, Hypertrophy, Focal | | __________________________________________________________________________| Salivary Glands | A + + + + + + + + + +| Autolysis | 4 | __________________________________________________________________________| Stomach | A + + + + + + + + A +| __________________________________________________________________________| Stomach, Forestomach | A + + + + + + + + A +| __________________________________________________________________________| Stomach, Glandular | A + + + + + + + + A +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + +| Dilatation | | Atrium, Dilatation | 3 4 | Atrium Left, Thrombosis | X | Myocardium, Degeneration, Multifocal | 2 3 2 2 2 2 2 2| Myocardium, Inflammation, Chronic, | | Focal | 2 | Myocardium, Inflammation, Chronic, | | Multifocal | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 80 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 3| 7| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 3| DAY ON TEST | 3| 4| 3| 3| 3| 8| 3| 3| 4| 0| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| 7| 1| 3| | 2| 0| 2| 2| 2| 3| 2| 3| 9| 9| 5| 3| 3| 0| 3| 3| 4| 3| 4| 4| 9| 5| 3| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 3 1 1 2 4 2 | Hypertrophy, Focal | 1 | Mineralization, Multifocal | | Vacuolization Cytoplasmic, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 2 1 2 1 1 2 2 3 2 1 2 2 1 3 | __________________________________________________________________________| Islets, Pancreatic | A + + + + + + + + A +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + I + + +| Pars Distalis, Hyperplasia, Nodular | | __________________________________________________________________________| Thyroid Gland | + A + + + + A + + + A A| C-Cell, Hyperplasia | 2 1 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic | 2 1 3 2 1 2 1 2 3| Inflammation, Chronic Active | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | 1 1| Seminiferous Tubule, Atrophy | 4 4 4 4 4 4 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + A +| Femoral, Hyperplasia | 4 3 2 3 3 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + +| Mandibular, Hyperplasia, Lymphoid | | Mediastinal, Hyperplasia, Lymphoid | | Mediastinal, Sinus, Ectasia | | Sinus, Mandibular, Ectasia | 3 | __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + | Sinus, Ectasia | 1 | __________________________________________________________________________| Spleen | A + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 81 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 3| 7| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 3| DAY ON TEST | 3| 4| 3| 3| 3| 8| 3| 3| 4| 0| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| 7| 1| 3| | 2| 0| 2| 2| 2| 3| 2| 3| 9| 9| 5| 3| 3| 0| 3| 3| 4| 3| 4| 4| 9| 5| 3| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Fibrosis, Focal | 1 3 3 | Hematopoietic Cell Proliferation | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + | Hyperplasia, Cystic | 3 1 1 | __________________________________________________________________________| Skin | + + + + + + + + + + M + +| Cyst Epithelial Inclusion | X | Inflammation, Chronic | | Inflammation, Granulomatous | 3 | Thrombosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + +| Tibia, Fracture Healed | X | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + +| Infarct | 1 | Hypothalamus, Compression | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + +| Bacterium | X | Congestion | 3 2 | Alveolus, Hemorrhage | 3 2 1 1 | Interstitium, Inflammation, Chronic, | | Focal | 1 | Interstitium, Inflammation, Chronic, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Anterior, Synechia | | Lens Crystalline, Cataract | 4 | Retina, Atrophy | 4 | Sclera, Mineralization, Multifocal | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 3| 7| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 3| DAY ON TEST | 3| 4| 3| 3| 3| 8| 3| 3| 4| 0| 7| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| 7| 1| 3| | 2| 0| 2| 2| 2| 3| 2| 3| 9| 9| 5| 3| 3| 0| 3| 3| 4| 3| 4| 4| 9| 5| 3| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 240 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + +| Nephropathy, Multifocal | 2 1 3 2 2 2 2 1 2 1| __________________________________________________________________________| Urinary Bladder | A + + + + + + + + A +| _____________________________________________________________________________________________________________________| Page 83 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 1| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 0| 5| | | 5| 5| 5| 9| 9| 1| 4| 7| 9| 9| 0| 0| 0| 0| 1| 1| 1| 1| 2| 7| 2| 2| 2| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + +| 17 | __________________________________________________________________________|____________| Intestine Large | + + + + + + +| 15 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + +| 14 | Diverticulum | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + +| 14 | __________________________________________________________________________|____________| Intestine Small | + + + + + +| 15 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + +| 15 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + +| 13 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X X X X X X X X X X X X | 24 | Clear Cell Focus | X X | 10 | Degeneration, Cystic | 1 1 1 1 2 | 9 1.2| Eosinophilic Focus | X X | 5 | Fatty Change | 3 | 1 3.0| Necrosis, Coagulative, Focal | 1 1 | 2 1.0| Necrosis, Coagulative, Multifocal | 1 | 1 1.0| Regeneration, Focal | 3 | 1 3.0| Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 24 1.0| Centrilobular, Necrosis, Coagulative | 2 | 2 2.5| Sinusoid, Angiectasis, Focal | | 1 1.0| Sinusoid, Angiectasis | 3 2 | 3 2.0| __________________________________________________________________________|____________| Mesentery | + | 3 | __________________________________________________________________________|____________| Pancreas | + + + + + +| 16 | Acinus, Atrophy | 2 3 2 1 2 2| 11 2.1| Acinus, Hypertrophy, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + +| 16 | Autolysis | | 1 4.0| __________________________________________________________________________|____________| Stomach | + + + + + +| 15 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + +| 15 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + +| 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + +| 18 | Dilatation | 3 | 1 3.0| Atrium, Dilatation | | 2 3.5| Atrium Left, Thrombosis | | 1 | Myocardium, Degeneration, Multifocal | 1 2 3 3 2 3| 14 2.2| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 84 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 1| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 0| 5| | | 5| 5| 5| 9| 9| 1| 4| 7| 9| 9| 0| 0| 0| 0| 1| 1| 1| 1| 2| 7| 2| 2| 2| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Myocardium, Inflammation, Chronic, | | | Focal | 1 | 2 1.5| Myocardium, Inflammation, Chronic, | | | Multifocal | 2 | 2 1.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia, Nodular | 3 4 3 3 2 1 1| 13 2.3| Hypertrophy, Focal | 1 | 2 1.0| Mineralization, Multifocal | 1 | 1 1.0| Vacuolization Cytoplasmic, Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 1 3 1 2 1 1 1 2 2 2 1| 26 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + +| 15 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + +| 17 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + +| 20 | Pars Distalis, Hyperplasia, Nodular | 1 | 1 1.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + +| 14 | C-Cell, Hyperplasia | 3 1 2 | 7 1.9| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + +| 17 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + +| 18 | Hyperplasia | 3 | 1 3.0| Inflammation, Chronic | 1 1 3 1 2 3| 15 1.9| Inflammation, Chronic Active | 2 | 2 2.5| __________________________________________________________________________|____________| Prostate | + + + + + +| 17 | __________________________________________________________________________|____________| Seminal Vesicle | + | 1 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Interstitial Cell, Hyperplasia | | 2 1.0| Seminiferous Tubule, Atrophy | 4 4 4 3 4 4 4 4 | 15 3.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + +| 16 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 85 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 1| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 0| 5| | | 5| 5| 5| 9| 9| 1| 4| 7| 9| 9| 0| 0| 0| 0| 1| 1| 1| 1| 2| 7| 2| 2| 2| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Femoral, Hyperplasia | 4 2 3 3 2| 11 2.7| __________________________________________________________________________|____________| Lymph Node | + + + + + + +| 19 | Mandibular, Hyperplasia, Lymphoid | 4 | 1 4.0| Mediastinal, Hyperplasia, Lymphoid | 4 | 1 4.0| Mediastinal, Sinus, Ectasia | 2 | 1 2.0| Sinus, Mandibular, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 4 | Sinus, Ectasia | 3 | 2 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + +| 29 | Fibrosis, Focal | | 3 2.3| Hematopoietic Cell Proliferation | 4 | 2 3.0| __________________________________________________________________________|____________| Thymus | + + M + + M| 15 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + | 8 | Hyperplasia, Cystic | 2 3 | 5 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + +| 20 | Cyst Epithelial Inclusion | | 1 | Inflammation, Chronic | 2 | 1 2.0| Inflammation, Granulomatous | | 1 3.0| Thrombosis | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + +| 18 | Tibia, Fracture Healed | | 1 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + +| 17 | Infarct | 4 | 2 2.5| Hypothalamus, Compression | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + +| 18 | Bacterium | | 1 | Congestion | | 2 2.5| Alveolus, Hemorrhage | | 4 1.8| Interstitium, Inflammation, Chronic, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 86 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 1| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 0| 5| | | 5| 5| 5| 9| 9| 1| 4| 7| 9| 9| 0| 0| 0| 0| 1| 1| 1| 1| 2| 7| 2| 2| 2| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | 240 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Focal | 1 | 2 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + +| 17 | __________________________________________________________________________|____________| Trachea | + + + + + +| 17 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + + + + | 6 | Anterior, Synechia | 3 | 1 3.0| Lens Crystalline, Cataract | 4 3 3 2 1 | 6 2.8| Retina, Atrophy | 4 4 4 3 3 | 6 3.7| Sclera, Mineralization, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + +| 21 | Nephropathy, Multifocal | 4 3 2 1 1 2 3 4 1 3| 20 2.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + + +| 15 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 87 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 5| 7| 7| 6| 7| 7| 6| DAY ON TEST | 3| 0| 3| 6| 9| 3| 3| 3| 3| 3| 8| 3| 3| 2| 3| 3| 0| 0| 0| 3| 3| 4| 3| 3| 7| | 2| 8| 2| 8| 0| 2| 3| 3| 3| 0| 2| 4| 4| 7| 5| 5| 8| 5| 8| 5| 9| 8| 9| 9| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + A +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + A +| Inflammation, Chronic, Focal | 2| __________________________________________________________________________| Intestine Large, Colon | + M + + + + + + + A +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + + + + + + + A +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A +| Inflammation, Necrotizing | 2| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X | Clear Cell Focus | X X X X X | Degeneration, Cystic | 1 | Eosinophilic Focus | X X X | Fatty Change | 2 | Necrosis, Coagulative, Multifocal | | Centrilobular, Cytomegaly | 1 1 2 1 2 1 1 1 | Centrilobular, Hemorrhage | | Centrilobular, Necrosis, Coagulative | 3 | Centrilobular, Necrosis, Caseous | 3 | Sinusoid, Angiectasis | 1 | __________________________________________________________________________| Mesentery | + + | __________________________________________________________________________| Pancreas | + + + + + + + + + + A +| Acinus, Atrophy | 2 1 2 3 1 | Acinus, Hyperplasia | 3 | Artery, Inflammation, Chronic | 4 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + +| Ulcer | 4| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + A +| __________________________________________________________________________| Tongue | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + +| Atrium Left, Thrombosis | X| Mitral Valve, Thrombosis | X | Myocardium, Degeneration, Multifocal | 3 1 2 3 1 2 2 2 1| Myocardium, Inflammation, Chronic | | Active, Multifocal | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 88 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 5| 7| 7| 6| 7| 7| 6| DAY ON TEST | 3| 0| 3| 6| 9| 3| 3| 3| 3| 3| 8| 3| 3| 2| 3| 3| 0| 0| 0| 3| 3| 4| 3| 3| 7| | 2| 8| 2| 8| 0| 2| 3| 3| 3| 0| 2| 4| 4| 7| 5| 5| 8| 5| 8| 5| 9| 8| 9| 9| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | | Inflammation, Necrotizing | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | Hyperplasia, Nodular | 2 1 2 2 1 2 1 3 1 1 1 1 1 1 2 2| Inflammation, Necrotizing | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + A +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia, Nodular | 1 1| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + A +| C-Cell, Hyperplasia | 2 3 1 2 2 2 4 4 3| Follicle, Dilatation, Multifocal | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + M + + + + + + + + + +| Inflammation, Chronic | 1 3 2 2 2 2 2 3 1 | Inflammation, Chronic Active | 2 3| Duct, Ectasia | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Seminiferous Tubule, Atrophy | 4 4 4 4 4 2 4| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + A +| Femoral, Hyperplasia | 2 3 1 3 3 2 3 2| __________________________________________________________________________| Lymph Node | + + + + + + + + + + +| Mandibular, Inflammation, Necrotizing| | Mediastinal, Sinus, Ectasia | | __________________________________________________________________________| Lymph Node, Bronchial | + | __________________________________________________________________________| Lymph Node, Mesenteric | + | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + +| Fibrosis, Diffuse | 2 | Fibrosis, Focal | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 89 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 5| 7| 7| 6| 7| 7| 6| DAY ON TEST | 3| 0| 3| 6| 9| 3| 3| 3| 3| 3| 8| 3| 3| 2| 3| 3| 0| 0| 0| 3| 3| 4| 3| 3| 7| | 2| 8| 2| 8| 0| 2| 3| 3| 3| 0| 2| 4| 4| 7| 5| 5| 8| 5| 8| 5| 9| 8| 9| 9| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + | Hyperplasia, Cystic | 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + +| Acanthosis | 3 | Fungus | X | Hyperkeratosis | 1 | Inflammation, Chronic | | Inflammation, Granulomatous | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + +| Hypothalamus, Compression | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | Alveolus, Hemorrhage | | Artery, Mineralization | 1 1 | Interstitium, Inflammation, Chronic, | | Multifocal | 1 2 | __________________________________________________________________________| Nose | + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Lens Crystalline, Cataract | 2 3 | Posterior Chamber, Inflammation, | | Chronic | | Retina, Atrophy | 3 4 | __________________________________________________________________________| Lacrimal Gland | | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + +| Nephropathy, Multifocal | 2 2 3 2 2 2 3 3 2 1 1 1 4| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + A +| Mucosa, Inflammation, Proliferative | | _____________________________________________________________________________________________________________________| Page 90 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 1| 3| 4| 7| 0| 4| 4| 4| 4| 4| 4| 0| 9| 4| 2| 0| 4| 0| 2| 0| 4| 7| 1| 1| 4| | | 7| 9| 0| 1| 3| 0| 0| 0| 1| 1| 1| 4| 0| 1| 6| 9| 2| 6| 9| 9| 2| 6| 5| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + | 24 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + + + + + + + | 22 | Inflammation, Chronic, Focal | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Intestine Large, Rectum | A + + + + + + + + + + + + | 22 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + | 23 | Inflammation, Necrotizing | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X| 15 | Clear Cell Focus | X X X | 8 | Degeneration, Cystic | 2 1 | 3 1.3| Eosinophilic Focus | X X X | 6 | Fatty Change | | 1 2.0| Necrosis, Coagulative, Multifocal | 1 | 1 1.0| Centrilobular, Cytomegaly | 1 2 1 1 1 | 13 1.2| Centrilobular, Hemorrhage | 4 | 1 4.0| Centrilobular, Necrosis, Coagulative | 1 | 2 2.0| Centrilobular, Necrosis, Caseous | | 1 3.0| Sinusoid, Angiectasis | | 1 1.0| __________________________________________________________________________|____________| Mesentery | + | 3 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + | 23 | Acinus, Atrophy | 2 2 3 1 2 2 2 1 | 13 1.8| Acinus, Hyperplasia | | 1 3.0| Artery, Inflammation, Chronic | | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + | 24 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + | 24 | Ulcer | 4 | 2 4.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Tongue | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + | 25 | Atrium Left, Thrombosis | X X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 91 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 1| 3| 4| 7| 0| 4| 4| 4| 4| 4| 4| 0| 9| 4| 2| 0| 4| 0| 2| 0| 4| 7| 1| 1| 4| | | 7| 9| 0| 1| 3| 0| 0| 0| 1| 1| 1| 4| 0| 1| 6| 9| 2| 6| 9| 9| 2| 6| 5| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Mitral Valve, Thrombosis | | 1 | Myocardium, Degeneration, Multifocal | 3 1 4 2 2 2 2 | 16 2.1| Myocardium, Inflammation, Chronic | | | Active, Multifocal | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Nodular | 1 1 1 1 1 3 1 2| 8 1.4| Inflammation, Necrotizing | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 1.0| Hyperplasia, Nodular | 1 1 2 3 2 2 1 1 | 24 1.5| Inflammation, Necrotizing | 2 | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + | 24 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + +| 31 | Pars Distalis, Cyst | | 2 | Pars Distalis, Hyperplasia, Nodular | 1 2 | 4 1.3| __________________________________________________________________________|____________| Thyroid Gland | A + + + + + + + + + + + + | 22 | C-Cell, Hyperplasia | 3 3 2 4 3 2 2 2 | 17 2.6| Follicle, Dilatation, Multifocal | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + | 24 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + | 24 | Inflammation, Chronic | 1 2 3 2 2 1 3 2 2 1 2 1 | 21 1.9| Inflammation, Chronic Active | | 2 2.5| Duct, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + | 24 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + | 48 | Seminiferous Tubule, Atrophy | 4 4 4 4 3 | 12 3.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + | 23 | Femoral, Hyperplasia | 4 4 3 3 3 2 2 | 15 2.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 92 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 1| 3| 4| 7| 0| 4| 4| 4| 4| 4| 4| 0| 9| 4| 2| 0| 4| 0| 2| 0| 4| 7| 1| 1| 4| | | 7| 9| 0| 1| 3| 0| 0| 0| 1| 1| 1| 4| 0| 1| 6| 9| 2| 6| 9| 9| 2| 6| 5| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + | 26 | Mandibular, Inflammation, Necrotizing| 2 | 1 2.0| Mediastinal, Sinus, Ectasia | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + | 3 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + | 5 | Sinus, Ectasia | 4 2 | 2 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + | 31 | Fibrosis, Diffuse | | 1 2.0| Fibrosis, Focal | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + M + + | 23 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + | 7 | Hyperplasia, Cystic | 1 4 2 | 5 2.2| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + | 31 | Acanthosis | | 1 3.0| Fungus | | 1 | Hyperkeratosis | | 1 1.0| Inflammation, Chronic | 2 | 1 2.0| Inflammation, Granulomatous | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + | 25 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + | 24 | Hypothalamus, Compression | 4 2 4 | 3 3.3| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + | 24 | Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| Alveolus, Hemorrhage | 2 3 2 | 3 2.3| Artery, Mineralization | | 2 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + | 24 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + | 25 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 93 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 1| 3| 4| 7| 0| 4| 4| 4| 4| 4| 4| 0| 9| 4| 2| 0| 4| 0| 2| 0| 4| 7| 1| 1| 4| | | 7| 9| 0| 1| 3| 0| 0| 0| 1| 1| 1| 4| 0| 1| 6| 9| 2| 6| 9| 9| 2| 6| 5| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Eye | + +| 4 | Lens Crystalline, Cataract | 4 4| 4 3.3| Posterior Chamber, Inflammation, | | | Chronic | 3 3| 2 3.0| Retina, Atrophy | | 2 3.5| __________________________________________________________________________|____________| Lacrimal Gland | + | 1 | __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + | 28 | Nephropathy, Multifocal | 1 2 4 2 2 2 3 2 3 2 3 3 1 | 26 2.2| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + | 23 | Mucosa, Inflammation, Proliferative | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 94 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 4| 6| 7| 6| DAY ON TEST | 3| 7| 6| 0| 3| 8| 0| 3| 6| 3| 3| 3| 0| 3| 0| 3| 0| 3| 3| 9| 2| 8| 6| 3| 4| | 2| 2| 1| 1| 2| 8| 6| 2| 7| 3| 3| 3| 6| 4| 9| 4| 4| 4| 5| 5| 0| 7| 4| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + A + + + + + + + + A + +| __________________________________________________________________________| Intestine Large, Cecum | + + A + + + + + + + + A + +| __________________________________________________________________________| Intestine Large, Colon | + + A + + + + + + + + A + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + A + + + + + + + + A + +| __________________________________________________________________________| Intestine Small | + + A + + + + + + + + A + +| __________________________________________________________________________| Intestine Small, Duodenum | + + A + + + + + + + + A + +| __________________________________________________________________________| Intestine Small, Ileum | + + A + + + + + + + + A + +| __________________________________________________________________________| Intestine Small, Jejunum | + + A + + + + + + + + A + +| Peyer's Patch, Inflammation, | | Suppurative | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + A + + +| Basophilic Focus | X X X X X X X X X| Clear Cell Focus | X X X X | Degeneration, Cystic | | Eosinophilic Focus | X X X X X X | Fatty Change | | Hepatodiaphragmatic Nodule | | Mixed Cell Focus | X | Regeneration, Focal | | Regeneration, Multifocal | | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 | Centrilobular, Necrosis, Coagulative | 4 | Sinusoid, Angiectasis | 2 | __________________________________________________________________________| Mesentery | + + + + | Fat, Necrosis | 4 4 | __________________________________________________________________________| Pancreas | + + A + + + + + + + + A + + +| Acinus, Atrophy | 3 1 1 2 1 2| Artery, Inflammation, Chronic | 2 2 | Duct, Ectasia | 4 | __________________________________________________________________________| Salivary Glands | + + M + + + + + + + + A + +| __________________________________________________________________________| Stomach | + + A + + + + + + + + A + +| __________________________________________________________________________| Stomach, Forestomach | + + A + + + + + + + + A + +| Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + A + + + + + + + + A + +| Ulcer | | Mucosa, Mineralization, Multifocal | | __________________________________________________________________________| Tongue | + + | Cyst | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + +| Infarct | 2 | _____________________________________________________________________________________________________________________| Page 95 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 4| 6| 7| 6| DAY ON TEST | 3| 7| 6| 0| 3| 8| 0| 3| 6| 3| 3| 3| 0| 3| 0| 3| 0| 3| 3| 9| 2| 8| 6| 3| 4| | 2| 2| 1| 1| 2| 8| 6| 2| 7| 3| 3| 3| 6| 4| 9| 4| 4| 4| 5| 5| 0| 7| 4| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Atrium, Dilatation | | Atrium Left, Thrombosis | X X | Endocardium, Proliferation | | Myocardium, Degeneration, Multifocal | 2 1 3 2 1 2 2 1 1 2 2 2| Valve, Bacterium | X | Valve, Thrombosis | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + M + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + M + + + + + + + + + + + + + + A + + +| Hyperplasia, Nodular | 2 2 1 1 1 2 | Hypertrophy, Focal | 1 3 | Necrosis, Coagulative, Diffuse | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + M + + + + + + + + + + + + + + A + + +| Hyperplasia, Nodular | 1 1 3 2 2 1 1 1 2 1 2 2 1 | Necrosis, Coagulative, Diffuse | | __________________________________________________________________________| Islets, Pancreatic | + + A + + + + + + + + A + +| __________________________________________________________________________| Parathyroid Gland | + + M + + + + + + + + A + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + A + +| Pars Distalis, Angiectasis, Focal | 2 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia, Nodular | 1 | __________________________________________________________________________| Thyroid Gland | + + M + + + + + + + + + + A + +| C-Cell, Hyperplasia | 3 2 2 3 2 2 3 2 2 2 3| Follicle, Dilatation, Multifocal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + M + A + +| Granuloma Sperm | 1 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + +| Autolysis, Diffuse | 3 | Inflammation, Chronic | 1 2 1 2 1 1 3 2 2 2 1 2| Inflammation, Chronic Active | 3 | Duct, Ectasia | | __________________________________________________________________________| Prostate | + + + + + + + + + + + A + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Autolysis, Diffuse | 3 | Seminiferous Tubule, Atrophy | 4 4 3 4 3 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + A + +| _____________________________________________________________________________________________________________________| Page 96 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 4| 6| 7| 6| DAY ON TEST | 3| 7| 6| 0| 3| 8| 0| 3| 6| 3| 3| 3| 0| 3| 0| 3| 0| 3| 3| 9| 2| 8| 6| 3| 4| | 2| 2| 1| 1| 2| 8| 6| 2| 7| 3| 3| 3| 6| 4| 9| 4| 4| 4| 5| 5| 0| 7| 4| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Femoral, Hyperplasia | 3 4 3 3 1 3 3 2 | Femoral, Myelofibrosis | | __________________________________________________________________________| Lymph Node | + + M + + + + + + + + A + +| __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + A + + +| Fibrosis, Focal | 1 2 | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | + + + + + + + + + + + A + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + +| Hyperplasia, Cystic | 3 2 1 2 1 4| __________________________________________________________________________| Skin | + + + + + + + + + + + + + +| Subcutaneous Tissue, Edema | | Tail, Necrosis, Coagulative, Diffuse | 4 | Tail, Dermis, Epidermis, Bacterium | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + +| Femur, Osteopetrosis | 3 | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + +| Abscess | 3 | Artery, Bacterium | X | Cerebellum, Neuron, Necrosis, Focal | | Hypothalamus, Compression | 4 3| Ventricle, Hydrocephalus | | __________________________________________________________________________| Peripheral Nerve | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + +| Alveolus, Hemorrhage | 2 | Alveolus, Hemorrhage, Multifocal | 1 | Interstitium, Inflammation, Chronic, | | Focal | 1 | Interstitium, Inflammation, Chronic, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | _____________________________________________________________________________________________________________________| Page 97 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 4| 6| 7| 6| DAY ON TEST | 3| 7| 6| 0| 3| 8| 0| 3| 6| 3| 3| 3| 0| 3| 0| 3| 0| 3| 3| 9| 2| 8| 6| 3| 4| | 2| 2| 1| 1| 2| 8| 6| 2| 7| 3| 3| 3| 6| 4| 9| 4| 4| 4| 5| 5| 0| 7| 4| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________| Ear | + | Middle Ear, Inflammation, Chronic | | Pinna, Inflammation, Necrotizing | 4 | __________________________________________________________________________| Eye | + | Lens Capsule, Cataract | | Lens Crystalline, Cataract | 4 | Posterior Chamber, Inflammation, | | Chronic | 3 | Sclera, Mineralization, Multifocal | 2 | __________________________________________________________________________| Harderian Gland | + | Inflammation, Chronic, Multifocal | 1 | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + +| Hemorrhage, Focal | 4 | Inflammation, Multifocal, Necrotizing| 4 | Nephropathy, Multifocal | 2 3 2 1 2 4 2 4 3 3 1 2 1| Pelvis, Inflammation, Suppurative | | Renal Tubule, Bacterium | X | __________________________________________________________________________| Urinary Bladder | + + A + + + + + + + + A + +| Inflammation, Acute | | Lamina Propria, Edema | | _____________________________________________________________________________________________________________________| Page 98 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 5| 7| 6| 6| 6| 7| 6| 7| 7| 7| 6| 4| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 6| 6| 4| 4| 6| 0| 8| 5| 2| 4| 7| 2| 4| 4| 3| 2| 4| | | 7| 4| 5| 9| 9| 9| 1| 3| 1| 0| 0| 0| 8| 1| 9| 2| 6| 1| 3| 9| 1| 2| 4| 6| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + | 29 | __________________________________________________________________________|____________| Intestine Large | + + + + + A + + + + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + A + + + + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + A + + + + + + + + + | 26 | Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + A + + + + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Small | + + + + + A + + + + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + A + + + + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + A + + + + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + | 26 | Peyer's Patch, Inflammation, | | | Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X | 12 | Clear Cell Focus | X X | 6 | Degeneration, Cystic | 1 2 1 1 1 | 5 1.2| Eosinophilic Focus | X X | 8 | Fatty Change | 3 3 3 | 3 3.0| Hepatodiaphragmatic Nodule | X | 1 | Mixed Cell Focus | | 1 | Regeneration, Focal | 1 2 | 2 1.5| Regeneration, Multifocal | 4 | 1 4.0| Centrilobular, Cytomegaly | 1 1 1 1 2 1 | 14 1.1| Centrilobular, Necrosis, Coagulative | | 1 4.0| Sinusoid, Angiectasis | 1 1| 3 1.3| __________________________________________________________________________|____________| Mesentery | + + + | 7 | Fat, Necrosis | | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + | 28 | Acinus, Atrophy | 2 3 1 1 1 1 1 1 2 2 1 | 17 1.5| Artery, Inflammation, Chronic | | 2 2.0| Duct, Ectasia | | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + | 27 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + | 27 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + | 27 | Ulcer | 4 4 4 | 3 4.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + A + + + + + + + + + | 26 | Ulcer | 2 | 1 2.0| Mucosa, Mineralization, Multifocal | 1 | 1 1.0| __________________________________________________________________________|____________| Tongue | | 2 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 99 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 5| 7| 6| 6| 6| 7| 6| 7| 7| 7| 6| 4| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 6| 6| 4| 4| 6| 0| 8| 5| 2| 4| 7| 2| 4| 4| 3| 2| 4| | | 7| 4| 5| 9| 9| 9| 1| 3| 1| 0| 0| 0| 8| 1| 9| 2| 6| 1| 3| 9| 1| 2| 4| 6| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Cyst | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + | 29 | Infarct | | 1 2.0| Atrium, Dilatation | 4 | 1 4.0| Atrium Left, Thrombosis | | 2 | Endocardium, Proliferation | 1 | 1 1.0| Myocardium, Degeneration, Multifocal | 2 1 2 1 1 1 1 2 2 2 1 3 1 | 25 1.6| Valve, Bacterium | | 1 | Valve, Thrombosis | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Hyperplasia, Nodular | 1 2 1 3 | 10 1.6| Hypertrophy, Focal | 2 | 3 2.0| Necrosis, Coagulative, Diffuse | 4 | 1 4.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia, Nodular | 1 2 2 2 2 1 1 2 2 3 2 1 1 2 2 4 1 | 30 1.7| Necrosis, Coagulative, Diffuse | 4 | 1 4.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + | 28 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + M + + | 26 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + | 30 | Pars Distalis, Angiectasis, Focal | | 1 2.0| Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia, Nodular | 1 2 | 3 1.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + A + + + + + + + + A | 27 | C-Cell, Hyperplasia | 2 2 2 4 2 2 2 4 | 19 2.4| Follicle, Dilatation, Multifocal | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + | 27 | Granuloma Sperm | | 1 1.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + | 33 | Autolysis, Diffuse | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 100 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 5| 7| 6| 6| 6| 7| 6| 7| 7| 7| 6| 4| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 6| 6| 4| 4| 6| 0| 8| 5| 2| 4| 7| 2| 4| 4| 3| 2| 4| | | 7| 4| 5| 9| 9| 9| 1| 3| 1| 0| 0| 0| 8| 1| 9| 2| 6| 1| 3| 9| 1| 2| 4| 6| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic | 3 2 4 2 2 1 2 1 2 1 2 1 2 | 25 1.8| Inflammation, Chronic Active | 4 3 2 | 4 3.0| Duct, Ectasia | 4 4 | 2 4.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + | 28 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Autolysis, Diffuse | | 1 3.0| Seminiferous Tubule, Atrophy | 3 4 4 4 4 4 4 | 13 3.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + | 28 | Femoral, Hyperplasia | 3 4 4 2 3 3 3 3 | 16 2.9| Femoral, Myelofibrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + | 29 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + | 8 | Sinus, Ectasia | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + | 35 | Fibrosis, Focal | 3 | 3 2.0| Hematopoietic Cell Proliferation | 4 | 1 4.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + | 28 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + | 14 | Hyperplasia, Cystic | 4 2 2 1 3 2 | 12 2.3| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + | 29 | Subcutaneous Tissue, Edema | 4 | 1 4.0| Tail, Necrosis, Coagulative, Diffuse | | 1 4.0| Tail, Dermis, Epidermis, Bacterium | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + | 29 | Femur, Osteopetrosis | | 1 3.0| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + | 29 | Abscess | | 1 3.0| Artery, Bacterium | | 1 | Cerebellum, Neuron, Necrosis, Focal | 1 | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 101 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 5| 7| 6| 6| 6| 7| 6| 7| 7| 7| 6| 4| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 6| 6| 4| 4| 6| 0| 8| 5| 2| 4| 7| 2| 4| 4| 3| 2| 4| | | 7| 4| 5| 9| 9| 9| 1| 3| 1| 0| 0| 0| 8| 1| 9| 2| 6| 1| 3| 9| 1| 2| 4| 6| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | Hypothalamus, Compression | 3 4 3 | 5 3.4| Ventricle, Hydrocephalus | 3 | 1 3.0| __________________________________________________________________________|____________| Peripheral Nerve | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + | 30 | Alveolus, Hemorrhage | | 1 2.0| Alveolus, Hemorrhage, Multifocal | | 1 1.0| Interstitium, Inflammation, Chronic, | | | Focal | | 1 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + | 29 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + | 29 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 2 | Middle Ear, Inflammation, Chronic | 2 | 1 2.0| Pinna, Inflammation, Necrotizing | | 1 4.0| __________________________________________________________________________|____________| Eye | + + | 3 | Lens Capsule, Cataract | 2 | 1 2.0| Lens Crystalline, Cataract | 3 | 2 3.5| Posterior Chamber, Inflammation, | | | Chronic | 3 | 2 3.0| Sclera, Mineralization, Multifocal | 2 | 2 2.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | Inflammation, Chronic, Multifocal | | 1 1.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + | 31 | Hemorrhage, Focal | | 1 4.0| Inflammation, Multifocal, Necrotizing| | 1 4.0| Nephropathy, Multifocal | 4 1 1 4 2 2 3 4 4 1 1 3 1 2 1 | 28 2.3| Pelvis, Inflammation, Suppurative | 3 | 1 3.0| Renal Tubule, Bacterium | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + | 27 | Inflammation, Acute | 3 | 1 3.0| Lamina Propria, Edema | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 102 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 2| 7| 6| 7| 7| 6| 6| 7| 7| 5| 7| 3| 6| 6| 6| 7| 7| 7| 7| 7| 6| DAY ON TEST | 3| 3| 0| 3| 4| 3| 1| 3| 3| 5| 2| 3| 3| 0| 3| 0| 5| 6| 8| 3| 2| 1| 0| 3| 9| | 2| 2| 1| 3| 3| 2| 7| 3| 3| 2| 3| 3| 4| 1| 4| 7| 9| 2| 0| 4| 3| 1| 9| 5| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + A + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + A A + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + A + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + A + + + + + + +| Ulcer | 1 | __________________________________________________________________________| Intestine Small | + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + A A + + + + A + + + + + + + +| Inflammation, Necrotizing | | Ulcer | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + A + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X| Clear Cell Focus | X X | Congestion | 2 | Degeneration, Cystic | 1 | Eosinophilic Focus | X X X X | Fatty Change | 1 2 | Hepatodiaphragmatic Nodule | | Mixed Cell Focus | X X X | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | 2 | Regeneration, Focal | 2 | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Sinusoid, Angiectasis | 1 1 | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + A + + + + + + + + + + + +| Acinus, Atrophy | 1 1 2 2 2 1 2 1 | Artery, Inflammation, Acute | 2 | Artery, Inflammation, Chronic | 1 3 | __________________________________________________________________________| Salivary Glands | + + + A + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + A + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + A + + + + + + + + + + + +| Epithelium, Acanthosis, Diffuse | | __________________________________________________________________________| Stomach, Glandular | + + + A + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + +| Atrium Left, Thrombosis | X X | Myocardium, Degeneration, Multifocal | 3 3 1 2 3 2 2 3 3 2 3 1 3 2 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 103 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 2| 7| 6| 7| 7| 6| 6| 7| 7| 5| 7| 3| 6| 6| 6| 7| 7| 7| 7| 7| 6| DAY ON TEST | 3| 3| 0| 3| 4| 3| 1| 3| 3| 5| 2| 3| 3| 0| 3| 0| 5| 6| 8| 3| 2| 1| 0| 3| 9| | 2| 2| 1| 3| 3| 2| 7| 3| 3| 2| 3| 3| 4| 1| 4| 7| 9| 2| 0| 4| 3| 1| 9| 5| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 1 3 2 2 2 | Hypertrophy, Focal | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 3 1 2 1 2 2 2 2 2 2 1| __________________________________________________________________________| Islets, Pancreatic | + + + A + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + A + + + + + + + + + + + +| Pars Distalis, Hyperplasia, Nodular | 1 1 | __________________________________________________________________________| Thyroid Gland | + + A A + + + + A + + + + + + +| C-Cell, Hyperplasia | 3 3 2 2 2 2 2 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + +| Hyperplasia | 3 | Inflammation, Chronic | 1 2 1 3 1 1 1 2 2 2 2 | Inflammation, Chronic Active | 1 3 3 2| Duct, Ectasia | 2| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + +| Granuloma | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | | Seminiferous Tubule, Atrophy | 4 4 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + +| Femoral, Hyperplasia | 2 3 2 2 2 3 2 4 4 2| __________________________________________________________________________| Lymph Node | + + + A + + + + + + + + + + + + +| Mandibular, Hyperplasia, Plasma Cell | 3 | Mediastinal, Hyperplasia, Lymphoid | | Mediastinal, Infiltration Cellular, | | Histiocyte | | Mediastinal, Sinus, Ectasia | 2 | Sinus, Mandibular, Ectasia | 3| __________________________________________________________________________| Lymph Node, Bronchial | + | __________________________________________________________________________| Lymph Node, Mesenteric | + + | Sinus, Ectasia | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 104 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 2| 7| 6| 7| 7| 6| 6| 7| 7| 5| 7| 3| 6| 6| 6| 7| 7| 7| 7| 7| 6| DAY ON TEST | 3| 3| 0| 3| 4| 3| 1| 3| 3| 5| 2| 3| 3| 0| 3| 0| 5| 6| 8| 3| 2| 1| 0| 3| 9| | 2| 2| 1| 3| 3| 2| 7| 3| 3| 2| 3| 3| 4| 1| 4| 7| 9| 2| 0| 4| 3| 1| 9| 5| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hematopoietic Cell Proliferation | 1 | Necrosis, Focal | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + | Hyperplasia, Cystic | 2 1 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + +| Hypothalamus, Compression | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + +| Congestion | 4 3 | Interstitium, Hemorrhage, Chronic, | | Multifocal | | Interstitium, Inflammation, Chronic | | Interstitium, Inflammation, Chronic, | | Multifocal | 1 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + +| Sinus, Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | Pinna, Acanthosis | | __________________________________________________________________________| Eye | + + | Lens Crystalline, Cataract | 3 | Posterior Chamber, Inflammation, | | Chronic | | Retina, Atrophy | 3 | __________________________________________________________________________| Harderian Gland | + | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + +| Nephropathy, Multifocal | 2 2 1 2 3 2 1 1 2 3 3 2 2 3 3 1| Renal Tubule, Cyst | X | __________________________________________________________________________| Urinary Bladder | + + M A + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 105 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 2| 7| 6| 7| 7| 6| 6| 7| 7| 5| 7| 3| 6| 6| 6| 7| 7| 7| 7| 7| 6| DAY ON TEST | 3| 3| 0| 3| 4| 3| 1| 3| 3| 5| 2| 3| 3| 0| 3| 0| 5| 6| 8| 3| 2| 1| 0| 3| 9| | 2| 2| 1| 3| 3| 2| 7| 3| 3| 2| 3| 3| 4| 1| 4| 7| 9| 2| 0| 4| 3| 1| 9| 5| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 800 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Transitional Epithelium, Metaplasia, | | Focal, Squamous | 1 | _____________________________________________________________________________________________________________________| Page 106 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 6| 6| 7| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 5| 7| 5| 6| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 3| 0| 8| 5| 4| 4| 4| 1| 4| 4| 9| 4| 4| 1| 4| 9| 4| 1| 4| 4| 4| | | 5| 0| 5| 9| 3| 5| 0| 0| 0| 0| 0| 0| 3| 1| 4| 1| 1| 8| 2| 7| 2| 7| 8| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + | 27 | __________________________________________________________________________|____________| Intestine Large | A + A + + A A + A + + + + | 23 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + A + + A A + A + + + + | 21 | __________________________________________________________________________|____________| Intestine Large, Colon | A + A + + A A + A + + + + | 23 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | A + A + + A A + A + + + + | 22 | Ulcer | | 1 1.0| __________________________________________________________________________|____________| Intestine Small | A + + + + A A + + + + + + | 26 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + A A + + + + + + | 25 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + A A + A + + + + | 23 | Inflammation, Necrotizing | 4 | 1 4.0| Ulcer | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + A A + A + + + + | 22 | __________________________________________________________________________|____________| Liver | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X X X X X X X X X X X X | 26 | Clear Cell Focus | X | 3 | Congestion | | 1 2.0| Degeneration, Cystic | 1 | 2 1.0| Eosinophilic Focus | X X X X X X X| 11 | Fatty Change | 1 | 3 1.3| Hepatodiaphragmatic Nodule | X | 1 | Mixed Cell Focus | X X | 5 | Necrosis, Coagulative, Focal | 1 | 1 1.0| Necrosis, Coagulative, Multifocal | | 1 2.0| Regeneration, Focal | 1 | 2 1.5| Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 29 1.0| Sinusoid, Angiectasis | 1 1 1| 5 1.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Fat, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | A + + + + A A + + + + + + | 25 | Acinus, Atrophy | 2 1 3 3 1 3 | 14 1.8| Artery, Inflammation, Acute | | 1 2.0| Artery, Inflammation, Chronic | | 2 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + | 28 | __________________________________________________________________________|____________| Stomach | A + + + + + A + + + + + + | 26 | __________________________________________________________________________|____________| Stomach, Forestomach | A + + + + + A + + + + + + | 26 | Epithelium, Acanthosis, Diffuse | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | A + A + + A A + A + + + + | 23 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 107 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 6| 6| 7| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 5| 7| 5| 6| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 3| 0| 8| 5| 4| 4| 4| 1| 4| 4| 9| 4| 4| 1| 4| 9| 4| 1| 4| 4| 4| | | 5| 0| 5| 9| 3| 5| 0| 0| 0| 0| 0| 0| 3| 1| 4| 1| 1| 8| 2| 7| 2| 7| 8| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + | 29 | Atrium Left, Thrombosis | | 2 | Myocardium, Degeneration, Multifocal | 2 2 3 2 2 2 2 1 3 3 3 2 | 27 2.3| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Nodular | 1 1 2 2 1 3 3 1 1 1 1 1 2 2| 19 1.7| Hypertrophy, Focal | 1 1 | 3 1.3| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Nodular | 1 2 2 2 1 1 1 1 2 2| 21 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | A + + + + A A + + + + + + | 25 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + | 29 | __________________________________________________________________________|____________| Pituitary Gland | M + + + + + + + + + + M + +| 27 | Pars Distalis, Hyperplasia, Nodular | | 2 1.0| __________________________________________________________________________|____________| Thyroid Gland | A + + + + A + + + + + + | 23 | C-Cell, Hyperplasia | 1 3 3 1 2 3 1 | 16 2.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + | 30 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + | 29 | Hyperplasia | | 1 3.0| Inflammation, Chronic | 1 2 1 1 2 3 1 2 2 1 | 21 1.6| Inflammation, Chronic Active | 2 1 2 | 7 2.0| Duct, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + | 29 | Granuloma | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Interstitial Cell, Hyperplasia | 2 | 1 2.0| Seminiferous Tubule, Atrophy | 2 2 4 4 4 4 | 9 3.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + | 29 | Femoral, Hyperplasia | 2 2 2 2 3 3 | 16 2.5| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + | 29 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 108 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 6| 6| 7| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 5| 7| 5| 6| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 3| 0| 8| 5| 4| 4| 4| 1| 4| 4| 9| 4| 4| 1| 4| 9| 4| 1| 4| 4| 4| | | 5| 0| 5| 9| 3| 5| 0| 0| 0| 0| 0| 0| 3| 1| 4| 1| 1| 8| 2| 7| 2| 7| 8| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Mandibular, Hyperplasia, Plasma Cell | | 1 3.0| Mediastinal, Hyperplasia, Lymphoid | 3 | 1 3.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | 2 | 1 2.0| Mediastinal, Sinus, Ectasia | | 1 2.0| Sinus, Mandibular, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 2 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 4 | Sinus, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Spleen | A + + + + + + + + + + + + | 29 | Hematopoietic Cell Proliferation | | 1 1.0| Necrosis, Focal | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + M + M + + | 25 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + | 7 | Hyperplasia, Cystic | 2 1 2 | 6 1.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + | 30 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + | 27 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + | 29 | Hypothalamus, Compression | 2 4 | 2 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + | 29 | Congestion | | 2 3.5| Interstitium, Hemorrhage, Chronic, | | | Multifocal | 2 | 1 2.0| Interstitium, Inflammation, Chronic | 1 | 1 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + | 29 | Sinus, Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + | 28 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 109 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 6| 6| 7| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 5| 7| 5| 6| 7| 7| | DAY ON TEST | 3| 3| 2| 3| 3| 0| 8| 5| 4| 4| 4| 1| 4| 4| 9| 4| 4| 1| 4| 9| 4| 1| 4| 4| 4| | | 5| 0| 5| 9| 3| 5| 0| 0| 0| 0| 0| 0| 3| 1| 4| 1| 1| 8| 2| 7| 2| 7| 8| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | 800 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Ear | + | 3 | Pinna, Acanthosis | 1 | 1 1.0| __________________________________________________________________________|____________| Eye | + + + + | 6 | Lens Crystalline, Cataract | 4 4 4 2 | 5 3.4| Posterior Chamber, Inflammation, | | | Chronic | 3 2 | 2 2.5| Retina, Atrophy | 4 4 | 3 3.7| __________________________________________________________________________|____________| Harderian Gland | | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | A + + + + + + + + + + + + | 30 | Nephropathy, Multifocal | 2 4 3 2 1 1 3 2 1 1 1 | 27 2.0| Renal Tubule, Cyst | | 1 | __________________________________________________________________________|____________| Urinary Bladder | A + + + + A A + + + + + + | 24 | Transitional Epithelium, Metaplasia, | | | Focal, Squamous | | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 110 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 2| 1| 3| 3| 3| 8| 9| 2| 3| 3| 3| 1| 3| 3| 1| 3| 3| 3| 3| 9| 4| 3| 3| 3| 4| | 5| 7| 1| 2| 2| 0| 7| 9| 3| 3| 3| 1| 4| 4| 5| 4| 5| 5| 5| 6| 7| 9| 9| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + M + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Submucosa, Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active, Focal | | Parasite Metazoan | X X X | Ulcer | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + M + + + + +| Inflammation, Chronic, Focal | | Ulcer | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X| Clear Cell Focus | X | Degeneration, Cystic | 1 4 1 | Eosinophilic Focus | X X X X X X | Fatty Change | | Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X X X | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | | Regeneration, Multifocal | | Centrilobular, Cytomegaly | 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1| Serosa, Inflammation, Chronic, | | Multifocal | 1 | __________________________________________________________________________| Mesentery | + + | Inflammation, Chronic Active | | Necrosis | 2 | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 3 1 2 1 1 | Artery, Inflammation, Chronic | 4 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + +| Arteriole, Thrombosis | X | Parotid Gland, Hyperplasia, Lobular | 3 | Parotid Gland, Inflammation, Chronic | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 4 | _____________________________________________________________________________________________________________________| Page 111 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 2| 1| 3| 3| 3| 8| 9| 2| 3| 3| 3| 1| 3| 3| 1| 3| 3| 3| 3| 9| 4| 3| 3| 3| 4| | 5| 7| 1| 2| 2| 0| 7| 9| 3| 3| 3| 1| 4| 4| 5| 4| 5| 5| 5| 6| 7| 9| 9| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | | Submucosa, Edema | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Ulcer | | Submucosa, Edema | | __________________________________________________________________________| Tooth | + | Gingiva, Inflammation, Necrotizing | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium, Dilatation | 4 3 | Atrium Left, Thrombosis | X | Myocardium, Degeneration, Multifocal | 1 2 1 2 2 2 2 2 2 1 2 3 2 3 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Nodular | 1 2 1 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Nodular | 3 2 2 2 2 1 1 3 1 1 | __________________________________________________________________________| Islets, Pancreatic | + M + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| Hyperplasia, Diffuse | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia, Nodular | 2 1 | Pars Nervosa, Inflammation, Chronic | 3 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 3 3 2 2 2 2 3 3 1 1 3 2 3 2 3 3 3| Follicle, Dilatation, Multifocal | | Follicular Cell, Hyperplasia, Nodular| 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 2 | Inflammation, Chronic | 1 1 1 1 1 2 1 3 3 1 1 2 2 3 3 1 3 1 1 1 1| Inflammation, Chronic Active | 3 | Duct, Ectasia | 4 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 112 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 2| 1| 3| 3| 3| 8| 9| 2| 3| 3| 3| 1| 3| 3| 1| 3| 3| 3| 3| 9| 4| 3| 3| 3| 4| | 5| 7| 1| 2| 2| 0| 7| 9| 3| 3| 3| 1| 4| 4| 5| 4| 5| 5| 5| 6| 7| 9| 9| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | 3 4 | Seminiferous Tubule, Atrophy | 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia | 1 2 2 2 2 1 2 1| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mandibular, Hyperplasia, Plasma Cell | 3 | Mediastinal, Sinus, Ectasia | 3 | Renal, Sinus, Ectasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + | Fibrosis | 4 | Giant Cell | 2 | Metaplasia, Focal, Osseous | 2 | Thrombosis | X | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | 3 | __________________________________________________________________________| Thymus | + M M + M + M M + + + + + + + + M + + + M M M + M| Arteriole, Inflammation, Chronic | 1 | Arteriole, Thrombosis | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + | Hyperplasia, Cystic | 1 1 1 2 1 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + M + + + + + + + +| Acanthosis | 3 | Inflammation, Chronic | 2 | Inflammation, Necrotizing | | Sebaceous Gland, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Hypothalamus, Compression | 4 | Third Ventricle, Hydrocephalus | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 113 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 2| 1| 3| 3| 3| 8| 9| 2| 3| 3| 3| 1| 3| 3| 1| 3| 3| 3| 3| 9| 4| 3| 3| 3| 4| | 5| 7| 1| 2| 2| 0| 7| 9| 3| 3| 3| 1| 4| 4| 5| 4| 5| 5| 5| 6| 7| 9| 9| 9| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Interstitium, Inflammation, Chronic, | | Diffuse | 2 | Interstitium, Inflammation, Chronic, | | Focal | 1 1 | Interstitium, Inflammation, Chronic, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Lamina Propria, Inflammation, Chronic| 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Lens Crystalline, Cataract | 1 2 | Posterior Chamber, Inflammation, | | Chronic | 2 | Retina, Atrophy | 4 | __________________________________________________________________________| Harderian Gland | + + + | Inflammation, Chronic, Multifocal | 1 1 | __________________________________________________________________________| Zymbal's Gland | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Multifocal | 2 1 1 3 2 3 3 4 3 4 3 4 4 4 1 3 3 4 2 4 2 3 3 2 3| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 4 | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| Page 114 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 4| 7| 6| 6| 6| 7| 4| 2| 6| 6| 4| 6| 7| 7| 7| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 0| 8| 4| 9| 7| 4| 9| 6| 8| 4| 9| 0| 6| 6| 9| 8| 3| 4| 2| 2| 2| 4| 4| 4| 3| | | 9| 9| 0| 6| 5| 0| 5| 7| 3| 1| 0| 9| 2| 6| 4| 7| 6| 1| 2| 5| 5| 2| 2| 2| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large | A + + + + + + + + + + + + + + + + + + A + + + + A| 47 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + A + + + + A| 47 | Submucosa, Edema | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | A + + + + + + + + + + + + + + + + + + A + + M + A| 46 | Inflammation, Chronic Active, Focal | 3 | 1 3.0| Parasite Metazoan | X X X | 6 | Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Rectum | A + + + + + + + + + + + + + + + + + + A + + + + A| 47 | Parasite Metazoan | X | 2 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + A + + + + A| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + A| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + A| 47 | Inflammation, Chronic, Focal | 1 3 | 2 2.0| Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + A| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X | 4 | Clear Cell Focus | | 1 | Degeneration, Cystic | 1 | 4 1.8| Eosinophilic Focus | X X | 8 | Fatty Change | 1 3 | 2 2.0| Hepatodiaphragmatic Nodule | | 1 | Mixed Cell Focus | | 3 | Necrosis, Coagulative, Focal | 1 1| 2 1.0| Necrosis, Coagulative, Multifocal | 2 2 | 2 2.0| Regeneration, Multifocal | 2 2 | 2 2.0| Centrilobular, Cytomegaly | 1 1 1 2 1 1 1 1 1 | 27 1.1| Serosa, Inflammation, Chronic, | | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Mesentery | + + + + | 6 | Inflammation, Chronic Active | 2 | 1 2.0| Necrosis | | 1 2.0| Fat, Necrosis | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + M + + + + + A| 48 | Acinus, Atrophy | 2 1 1 2 1 2 2 1 2 1 1 1 | 18 1.4| Artery, Inflammation, Chronic | | 2 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Arteriole, Thrombosis | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 115 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 4| 7| 6| 6| 6| 7| 4| 2| 6| 6| 4| 6| 7| 7| 7| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 0| 8| 4| 9| 7| 4| 9| 6| 8| 4| 9| 0| 6| 6| 9| 8| 3| 4| 2| 2| 2| 4| 4| 4| 3| | | 9| 9| 0| 6| 5| 0| 5| 7| 3| 1| 0| 9| 2| 6| 4| 7| 6| 1| 2| 5| 5| 2| 2| 2| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Parotid Gland, Hyperplasia, Lobular | | 1 3.0| Parotid Gland, Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | Hyperkeratosis | | 1 4.0| Ulcer | 4 3 | 2 3.5| Submucosa, Edema | 4 | 1 4.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | Inflammation, Chronic | 1 | 1 1.0| Ulcer | 3 3 | 2 3.0| Submucosa, Edema | 4 | 1 4.0| __________________________________________________________________________|____________| Tooth | | 1 | Gingiva, Inflammation, Necrotizing | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium, Dilatation | | 2 3.5| Atrium Left, Thrombosis | | 1 | Myocardium, Degeneration, Multifocal | 2 3 1 2 1 1 1 3 3 2 1 2 1 1 1 2 2 1 2 | 34 1.8| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Nodular | 1 2 3 2 3 1 | 10 1.7| __________________________________________________________________________|____________| Adrenal Gland, Medulla | A + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia, Nodular | 1 2 2 2 2 1 1 | 17 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + A| 47 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Diffuse | 3 | 2 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + M + + + + + + + + + + + +| 48 | Pars Distalis, Hyperplasia, Nodular | 3 3 | 4 2.3| Pars Nervosa, Inflammation, Chronic | 2 1 | 4 1.8| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + A + + + + A| 48 | C-Cell, Hyperplasia | 2 3 2 1 3 2 3 2 3 2 2 2 1 3 2 2 3 | 36 2.3| Follicle, Dilatation, Multifocal | 1 | 1 1.0| Follicular Cell, Hyperplasia, Nodular| | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 116 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 4| 7| 6| 6| 6| 7| 4| 2| 6| 6| 4| 6| 7| 7| 7| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 0| 8| 4| 9| 7| 4| 9| 6| 8| 4| 9| 0| 6| 6| 9| 8| 3| 4| 2| 2| 2| 4| 4| 4| 3| | | 9| 9| 0| 6| 5| 0| 5| 7| 3| 1| 0| 9| 2| 6| 4| 7| 6| 1| 2| 5| 5| 2| 2| 2| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Granuloma Sperm | | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 3 2.3| Inflammation, Chronic | 2 1 2 1 1 1 1 2 1 1 2 1 1 1 1 3 1 2 1 1 1 2 2| 44 1.5| Inflammation, Chronic Active | | 1 3.0| Duct, Ectasia | 3| 3 3.3| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Interstitial Cell, Hyperplasia | 4 3 | 4 3.5| Seminiferous Tubule, Atrophy | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | Femoral, Hyperplasia | 1 1 2 3 2 2 3 3 3 3 3 2 2 3 | 22 2.1| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mandibular, Hyperplasia, Plasma Cell | | 1 3.0| Mediastinal, Sinus, Ectasia | | 1 3.0| Renal, Sinus, Ectasia | 1 4 | 3 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 8 | Fibrosis | | 1 4.0| Giant Cell | | 1 2.0| Metaplasia, Focal, Osseous | | 1 2.0| Thrombosis | | 1 | Sinus, Ectasia | 3 4 | 2 3.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Focal | 2 3 | 3 2.7| __________________________________________________________________________|____________| Thymus | + M M + M M + + + + M + + + + + + + + + + + + + +| 35 | Arteriole, Inflammation, Chronic | | 1 1.0| Arteriole, Thrombosis | | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + | 19 | Hyperplasia, Cystic | 1 1 1 1 1 1 2 2 2 3 4 | 17 1.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | | 1 3.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 117 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 4| 7| 6| 6| 6| 7| 4| 2| 6| 6| 4| 6| 7| 7| 7| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 0| 8| 4| 9| 7| 4| 9| 6| 8| 4| 9| 0| 6| 6| 9| 8| 3| 4| 2| 2| 2| 4| 4| 4| 3| | | 9| 9| 0| 6| 5| 0| 5| 7| 3| 1| 0| 9| 2| 6| 4| 7| 6| 1| 2| 5| 5| 2| 2| 2| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Inflammation, Necrotizing | 3 4| 2 3.5| Sebaceous Gland, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 3 4| 2 3.5| Hypothalamus, Compression | 3 4 | 3 3.7| Third Ventricle, Hydrocephalus | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Interstitium, Inflammation, Chronic, | | | Diffuse | | 1 2.0| Interstitium, Inflammation, Chronic, | | | Focal | | 2 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 1 | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lamina Propria, Inflammation, Chronic| | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + + + | 6 | Lens Crystalline, Cataract | 1 3 | 4 1.8| Posterior Chamber, Inflammation, | | | Chronic | | 1 2.0| Retina, Atrophy | 4 | 2 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 4 | Inflammation, Chronic, Multifocal | | 2 1.0| __________________________________________________________________________|____________| Zymbal's Gland | +| 1 | Inflammation, Suppurative | 3| 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Multifocal | 2 4 3 2 3 3 2 3 2 3 2 4 3 4 2 1 1 3 1 4 3 4 3 | 48 2.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 118 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 5| 4| 7| 6| 6| 6| 7| 4| 2| 6| 6| 4| 6| 7| 7| 7| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 0| 8| 4| 9| 7| 4| 9| 6| 8| 4| 9| 0| 6| 6| 9| 8| 3| 4| 2| 2| 2| 4| 4| 4| 3| | | 9| 9| 0| 6| 5| 0| 5| 7| 3| 1| 0| 9| 2| 6| 4| 7| 6| 1| 2| 5| 5| 2| 2| 2| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | Dilatation | 4 | 2 4.0| Inflammation, Chronic | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 119 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| DAY ON TEST | 9| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 0| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 1| | 7| 5| 2| 2| 2| 2| 3| 3| 3| 3| 7| 3| 3| 9| 9| 4| 4| 4| 4| 5| 5| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + A + + + + + + + + + + + + + +| Ulcer | 3 | Submucosa, Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + M + + + + A + + + + + + + + + + + + + +| Parasite Metazoan | X X X X X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + A + + + + + + + + + + + + + +| Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + A + + + + + + + + + + + + + +| Inflammation, Chronic, Diffuse | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + A + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | 2 1 | Peyer's Patch, Hyperplasia | 3 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X | Clear Cell Focus | X X X X | Degeneration, Cystic | 2 2 | Eosinophilic Focus | X X X X | Fatty Change | 1 | Mixed Cell Focus | X X X X | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | 2 | Regeneration, Focal | | Centrilobular, Congestion | 3 | Centrilobular, Cytomegaly | 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 | __________________________________________________________________________| Mesentery | | Inflammation, Chronic | | Necrosis | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 3 1 1 3 1 2 1 1 1 4 2 1 | Artery, Inflammation, Chronic | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Sublingual Gland, Atrophy | | Submandibular Gland, Necrosis, | | Caseous | | __________________________________________________________________________| Stomach | + + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + A + + + + + + + + + + + + + +| Hyperkeratosis | 2 | Ulcer | | Submucosa, Edema | | _____________________________________________________________________________________________________________________| Page 120 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| DAY ON TEST | 9| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 0| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 1| | 7| 5| 2| 2| 2| 2| 3| 3| 3| 3| 7| 3| 3| 9| 9| 4| 4| 4| 4| 5| 5| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + A + + + + + + + + + + + + + +| Inflammation, Acute | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Arteriole, Coronary Artery, Intima, | | Necrosis, Fibrinoid | | Atrium, Dilatation | 4 | Atrium Left, Thrombosis | X | Coronary Artery, Inflammation, | | Chronic | 1 | Endocardium, Proliferation | 2 | Myocardium, Degeneration, Multifocal | 1 2 1 1 2 4 1 1 2 3 1 2 1 3 2 3 2 1 1| Myocardium, Fibrosis, Focal | 1 | Myocardium, Infarct | | Myocardium, Inflammation, Chronic, | | Multifocal | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Nodular | 2 1 2 1 1 1 3| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Hyperplasia, Nodular | 2 2 1 1 3 2 1 3 3| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Diffuse | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia, Nodular | 1 | Pars Nervosa, Inflammation, Chronic | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 2 2 2 2 1 2 3 1 1 1 2 3 3 1 2 1 2| C-Cell, Mineralization, Multifocal | | Follicle, Dilatation, Multifocal | | Follicular Cell, Vacuolization | | Cytoplasmic, Focal | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + M + + + + + + + + + + +| Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| Page 121 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| DAY ON TEST | 9| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 0| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 1| | 7| 5| 2| 2| 2| 2| 3| 3| 3| 3| 7| 3| 3| 9| 9| 4| 4| 4| 4| 5| 5| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Inflammation, Chronic | 1 1 2 1 2 1 1 1 1 1 1 1 1 1 3 2 2 1 | Inflammation, Chronic Active | 3 | Duct, Ectasia | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + M + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + M + + + + + + + + + + +| Artery, Inflammation, Chronic | | Interstitial Cell, Hyperplasia | 1 | Seminiferous Tubule, Atrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia | 3 2 1 1 2 3 1 3 1 1 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Inguinal, Sinus, Ectasia | | Lumbar, Necrosis, Caseous | | Mandibular, Necrosis, Caseous | | __________________________________________________________________________| Lymph Node, Bronchial | + + | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + +| Sinus, Ectasia | 3 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | 3 2 | Hematopoietic Cell Proliferation | 4 | __________________________________________________________________________| Thymus | + + M + + + + M M M + M + + + + + + + + M M + + +| Cyst | | Ectopic Parathyroid Gland | | Arteriole, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + | Hyperplasia, Cystic | 1 2 1 1 2 1 3 1 1 1 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Femur, Fibrous Osteodystrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 3 | Mineralization, Focal | 1 | Fourth Ventricle, Hydrocephalus | | Hypothalamus, Compression | 2 | _____________________________________________________________________________________________________________________| Page 122 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| DAY ON TEST | 9| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 2| 0| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 1| | 7| 5| 2| 2| 2| 2| 3| 3| 3| 3| 7| 3| 3| 9| 9| 4| 4| 4| 4| 5| 5| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2400 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal, Subacute | 1 | Artery, Mineralization | 1 1 | Interstitium, Inflammation, Chronic, | | Diffuse | 2 | Interstitium, Inflammation, Chronic, | | Multifocal | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Lamina Propria, Inflammation, Chronic| 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | Middle Ear, Inflammation, Chronic | | __________________________________________________________________________| Eye | + + + + | Lens Crystalline, Cataract | 1 2 2 | Posterior Chamber, Inflammation, | | Chronic | 2 3 | Retina, Atrophy | 4 | Retina, Mineralization, Focal | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hemorrhage | | Nephropathy, Multifocal | 1 2 2 3 3 3 2 3 3 2 3 2 4 2 1 2 3 3 3 2 3 3 1 2 2| Fat, Hematopoietic Cell Proliferation| 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + A + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 123 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 5| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 2| 6| 6| 4| 2| 3| 3| 4| 4| 4| 1| 4| 4| 8| 4| 9| 6| 4| 4| 3| 4| 5| 4| | | 9| 9| 0| 1| 8| 8| 8| 9| 9| 0| 0| 0| 5| 1| 1| 1| 1| 9| 5| 1| 2| 7| 2| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Ulcer | | 1 3.0| Submucosa, Edema | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | X X | 8 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | | 3 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Inflammation, Chronic, Diffuse | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Inflammation, Chronic, Focal | | 2 1.5| Peyer's Patch, Hyperplasia | 2 | 2 2.5| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | Basophilic Focus | X | 7 | Clear Cell Focus | X X X | 7 | Degeneration, Cystic | 1 1 1 1 1 | 7 1.3| Eosinophilic Focus | X X X | 7 | Fatty Change | 3 2 | 3 2.0| Mixed Cell Focus | X X | 6 | Necrosis, Coagulative, Focal | 1 | 1 1.0| Necrosis, Coagulative, Multifocal | 2 | 2 2.0| Regeneration, Focal | 2 | 1 2.0| Centrilobular, Congestion | | 1 3.0| Centrilobular, Cytomegaly | 2 1 2 1 1 1 1 1 1 2 1 1 1 1| 31 1.1| __________________________________________________________________________|____________| Mesentery | + + + + | 4 | Inflammation, Chronic | 1 | 1 1.0| Necrosis | 2 | 1 2.0| Fat, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 2 1 2 1 2 2 1 2 2 2 3 3| 24 1.8| Artery, Inflammation, Chronic | 2 4 | 2 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Sublingual Gland, Atrophy | 1 | 1 1.0| Submandibular Gland, Necrosis, | | | Caseous | 4 | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 124 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 5| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 2| 6| 6| 4| 2| 3| 3| 4| 4| 4| 1| 4| 4| 8| 4| 9| 6| 4| 4| 3| 4| 5| 4| | | 9| 9| 0| 1| 8| 8| 8| 9| 9| 0| 0| 0| 5| 1| 1| 1| 1| 9| 5| 1| 2| 7| 2| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Hyperkeratosis | 3 4 | 3 3.0| Ulcer | 3 | 1 3.0| Submucosa, Edema | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Inflammation, Acute | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Arteriole, Coronary Artery, Intima, | | | Necrosis, Fibrinoid | 3 | 1 3.0| Atrium, Dilatation | | 1 4.0| Atrium Left, Thrombosis | | 1 | Coronary Artery, Inflammation, | | | Chronic | | 1 1.0| Endocardium, Proliferation | | 1 2.0| Myocardium, Degeneration, Multifocal | 2 2 1 2 2 1 2 2 2 1 1 2 2 3 1 1 1 2 2 3 3| 40 1.8| Myocardium, Fibrosis, Focal | | 1 1.0| Myocardium, Infarct | 3 | 1 3.0| Myocardium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Nodular | 1 1 1 2 | 11 1.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 1 2.0| Hyperplasia, Nodular | 1 1 2 1 1 1 | 15 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + M M + + + M M + + + + + + + M + M + + + + + +| 44 | Hyperplasia, Diffuse | 2 2 | 2 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia, Nodular | 1 2 1 | 4 1.3| Pars Nervosa, Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | C-Cell, Hyperplasia | 2 1 1 2 2 1 1 3 3 1 1 2| 30 1.7| C-Cell, Mineralization, Multifocal | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 125 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 5| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 2| 6| 6| 4| 2| 3| 3| 4| 4| 4| 1| 4| 4| 8| 4| 9| 6| 4| 4| 3| 4| 5| 4| | | 9| 9| 0| 1| 8| 8| 8| 9| 9| 0| 0| 0| 5| 1| 1| 1| 1| 9| 5| 1| 2| 7| 2| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Follicle, Dilatation, Multifocal | 3 | 1 3.0| Follicular Cell, Vacuolization | | | Cytoplasmic, Focal | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + M + + + + + + + + + + +| 48 | Inflammation, Chronic | | 1 1.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 2 2.0| Inflammation, Chronic | 1 1 3 1 2 2 2 1 1 2 1| 29 1.4| Inflammation, Chronic Active | 2 3 3 3 | 5 2.8| Duct, Ectasia | 4 3 | 2 3.5| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Artery, Inflammation, Chronic | 2 | 1 2.0| Interstitial Cell, Hyperplasia | 1 2 1 1 | 5 1.2| Seminiferous Tubule, Atrophy | 4 4 4 | 3 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Hyperplasia | 1 1 3 3 3 1 3 2 3 1 3 2 3 2 1| 26 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inguinal, Sinus, Ectasia | 4 | 1 4.0| Lumbar, Necrosis, Caseous | 4 | 1 4.0| Mandibular, Necrosis, Caseous | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | | 2 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 8 | Sinus, Ectasia | 4 | 3 3.3| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Focal | | 2 2.5| Hematopoietic Cell Proliferation | | 1 4.0| __________________________________________________________________________|____________| Thymus | + M + + + + + + + + + + + M + M + + + + + + + M +| 39 | Cyst | X | 1 | Ectopic Parathyroid Gland | X | 1 | Arteriole, Inflammation, Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 126 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 5| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 2| 6| 6| 4| 2| 3| 3| 4| 4| 4| 1| 4| 4| 8| 4| 9| 6| 4| 4| 3| 4| 5| 4| | | 9| 9| 0| 1| 8| 8| 8| 9| 9| 0| 0| 0| 5| 1| 1| 1| 1| 9| 5| 1| 2| 7| 2| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + | 18 | Hyperplasia, Cystic | 2 1 1 1 1 | 16 1.4| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femur, Fibrous Osteodystrophy | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 1 | 2 2.0| Mineralization, Focal | | 1 1.0| Fourth Ventricle, Hydrocephalus | 2 | 1 2.0| Hypothalamus, Compression | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Focal, Subacute | | 1 1.0| Artery, Mineralization | 1 | 3 1.0| Interstitium, Inflammation, Chronic, | | | Diffuse | | 1 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lamina Propria, Inflammation, Chronic| 1 | 2 1.5| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + + + | 3 | Middle Ear, Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Eye | + + + + | 8 | Lens Crystalline, Cataract | 3 2 3 4 | 7 2.4| Posterior Chamber, Inflammation, | | | Chronic | 2 | 3 2.3| Retina, Atrophy | 4 4 4 4 | 5 4.0| Retina, Mineralization, Focal | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 127 NTP Experiment-Test: 05075-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:20:16 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 5| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 2| 6| 6| 4| 2| 3| 3| 4| 4| 4| 1| 4| 4| 8| 4| 9| 6| 4| 4| 3| 4| 5| 4| | | 9| 9| 0| 1| 8| 8| 8| 9| 9| 0| 0| 0| 5| 1| 1| 1| 1| 9| 5| 1| 2| 7| 2| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| A | 2400 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 2 | Hemorrhage | 4 | 1 4.0| Nephropathy, Multifocal | 3 1 2 2 4 2 1 4 2 2 3 2 2 2 3 1 4 1 1 2 2 2 4 2| 49 2.3| Fat, Hematopoietic Cell Proliferation| | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 128 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------