TDMS Study 05075-02 Pathology Tables
NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 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: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 2| 7| 3| 3| 3| 4| 4| 3| | 6| 6| 6| 6| 0| 3| 7| 7| 7| 7| 7| 8| 8| 8| 8| 0| 9| 0| 0| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + A + + + + + + + M + M + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + M A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + A + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Liver | + + + + + A + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 3 | Clear Cell Focus | 1 | Fatty Change | 2 | Hematopoietic Cell Proliferation | | Infarct, Multifocal | 2 2 | Regeneration, Diffuse | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + A + + + + + + + + + A + + + + + + + + +| Acinus, Atrophy | 2 3 3 | Acinus, Focal Cellular Change | | Duct, Dilatation | 3 | __________________________________________________________________________| Salivary Glands | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + + + | Incisor, Upper, Dysplasia | 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy, Chronic Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + A + + + + + + + + + + + + + + + + + + +| Hypertrophy | 1 1 | Necrosis | | Corticomedullary Junction, | | Degeneration, Fatty | 3 3 3 4 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + A + + + + + + + + + + + + + + + + + + +| Hyperplasia | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 2| 7| 3| 3| 3| 4| 4| 3| | 6| 6| 6| 6| 0| 3| 7| 7| 7| 7| 7| 8| 8| 8| 8| 0| 9| 0| 0| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + + + A + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + A + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + A + + + + + + + + + + + + + + + M + + +| Pars Distalis, Hyperplasia | 2 3 1 1 1 1 1 1 1 1| __________________________________________________________________________| Thyroid Gland | + + + + + A + + + + + + + + + + + + M + + + + + +| Inflammation, Chronic Active | 1 1 | Follicular Cell, Hyperplasia | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Duct, Dilatation | | __________________________________________________________________________| Ovary | + + + + + A + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 | Cyst | X X X X X X X X X X X X X X| Mineralization | 2 | Thrombosis | X | __________________________________________________________________________| Uterus | + + + + + A + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Endometrium, Hyperplasia, Cystic | 3 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + | __________________________________________________________________________| Bone Marrow | + + + + + A + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 1 | Femoral, Myelofibrosis | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Bronchial | + + | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + | Angiectasis | 2 | __________________________________________________________________________| Spleen | + + + + + A + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 | __________________________________________________________________________| Thymus | + + + + + M + M + + + + + + + + + + + + + M + + +| Necrosis | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M A + + + + + + + + + + + + + + + + + + M| Hyperplasia, Cystic | | __________________________________________________________________________| Skin | + + + + + A + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Subcutaneous Tissue, Fibrosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 2| 7| 3| 3| 3| 4| 4| 3| | 6| 6| 6| 6| 0| 3| 7| 7| 7| 7| 7| 8| 8| 8| 8| 0| 9| 0| 0| 9| 9| 9| 0| 0| 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | | Hemorrhage | 1 | Necrosis | | __________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 2 | Alveolar Epithelium, Hyperplasia | 2 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Harderian Gland | + + | Hyperplasia | 1 | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + A + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 1 1 1 1 1 | Glomerulus, Inflammation, | | Membranoproliferative | 3 | Renal Tubule, Necrosis | | __________________________________________________________________________| Urinary Bladder | + + + + + A + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 6| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| | DAY ON TEST | 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 2| 4| 3| 5| 4| 4| 1| | | 0| 8| 0| 3| 3| 3| 3| 4| 4| 4| 9| 4| 4| 5| 1| 5| 5| 5| 6| 5| 1| 5| 6| 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 | B6C3F1 MICE 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 | __________________________________________________________________________|____________| Gallbladder | + A + + + + + + + + + + + + + + + + + + A + + + +| 45 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + M + + + + + + + + + A + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + M + + + + + + + + + + + + + + + + + + A + + + M| 46 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + M + + + + + + + + + + + + + + + + A + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + M + + + + + + + + + + + + + + + + + + A + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Basophilic Focus | | 1 3.0| Clear Cell Focus | | 1 1.0| Fatty Change | 3 | 2 2.5| Hematopoietic Cell Proliferation | 1 2 | 2 1.5| Infarct, Multifocal | 2 2 2 3 | 6 2.2| Regeneration, Diffuse | 3 | 1 3.0| __________________________________________________________________________|____________| Mesentery | + + + + + + | 8 | Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + A + + + +| 47 | Acinus, Atrophy | 4 1 2 | 6 2.5| Acinus, Focal Cellular Change | X | 1 | Duct, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | __________________________________________________________________________|____________| Tooth | + + | 5 | Incisor, Upper, Dysplasia | 2 | 3 1.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy, Chronic Active | 3 1 | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Hypertrophy | 2 | 3 1.3| __________________________________________________________________________________________________________________________________ * : 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 5 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 6| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| | DAY ON TEST | 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 2| 4| 3| 5| 4| 4| 1| | | 0| 8| 0| 3| 3| 3| 3| 4| 4| 4| 9| 4| 4| 5| 1| 5| 5| 5| 6| 5| 1| 5| 6| 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 | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Necrosis | 3 | 1 3.0| Corticomedullary Junction, | | | Degeneration, Fatty | 4 | 5 3.4| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + A + + + +| 47 | __________________________________________________________________________|____________| Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + M| 46 | __________________________________________________________________________|____________| Pituitary Gland | M I + + + M M + + + + + + + + + + + + + + + + + +| 44 | Pars Distalis, Hyperplasia | 2 1 2 2 2 1 1 2 2| 19 1.5| __________________________________________________________________________|____________| Thyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| 47 | Inflammation, Chronic Active | 1 | 3 1.0| Follicular Cell, Hyperplasia | 1 3 | 4 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | Duct, Dilatation | 2 | 1 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | | 1 4.0| Cyst | X X X X X X X X X X X| 25 | Mineralization | | 1 2.0| Thrombosis | X | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 2 | 1 2.0| Endometrium, Hyperplasia, Cystic | 1 1 2 2 2 1 | 15 1.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 2 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Myelofibrosis | | 1 1.0| Femoral, Myelofibrosis | 2 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Bronchial | | 2 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + | 12 | Angiectasis | 3 2 | 3 2.3| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Hematopoietic Cell Proliferation | 3 3 3 1 2| 6 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 6 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 6| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| | DAY ON TEST | 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 2| 4| 3| 5| 4| 4| 1| | | 0| 8| 0| 3| 3| 3| 3| 4| 4| 4| 9| 4| 4| 5| 1| 5| 5| 5| 6| 5| 1| 5| 6| 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 | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + M + + + + + + + + M M + M M| 42 | Necrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| 46 | Hyperplasia, Cystic | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 4 | 1 4.0| Subcutaneous Tissue, Fibrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | X | 1 | Hemorrhage | 2 | 2 1.5| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Spinal Cord | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 3 1.7| Alveolar Epithelium, Hyperplasia | 2 2 | 4 2.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mucosa, Inflammation, Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Trachea | + M + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 2 | Degeneration | 4 4 | 2 4.0| __________________________________________________________________________|____________| Harderian Gland | + + + + + + | 8 | Hyperplasia | 2 3 | 3 2.0| Inflammation, Chronic Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Nephropathy, Chronic | 1 1 1 1 1 1 1 | 14 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 7 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 6| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| | DAY ON TEST | 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 2| 4| 3| 5| 4| 4| 1| | | 0| 8| 0| 3| 3| 3| 3| 4| 4| 4| 9| 4| 4| 5| 1| 5| 5| 5| 6| 5| 1| 5| 6| 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 | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Glomerulus, Inflammation, | | | Membranoproliferative | | 1 3.0| Renal Tubule, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| 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 8 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 5| 4| 7| 7| 7| 6| 7| 7| 5| 7| 7| 6| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 0| 3| 4| 3| 3| 7| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | 6| 8| 1| 6| 3| 6| 8| 6| 7| 9| 7| 7| 4| 7| 7| 8| 8| 8| 0| 8| 9| 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| B6C3F1 MICE 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 | + + + + + + + + | __________________________________________________________________________| Gallbladder | + + + A + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + A + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Eosinophilic Focus | 3 | Infarct, Multifocal | 2 3 | Infiltration Cellular, Lymphocyte | 2 | Mixed Cell Focus | | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + | __________________________________________________________________________| Salivary Glands | + + + + + + + + | Necrosis | | __________________________________________________________________________| Stomach | + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + | Mineralization | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + | Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + A + + + M + + + + | __________________________________________________________________________| Thyroid Gland | + + + + + + + + | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 5| 4| 7| 7| 7| 6| 7| 7| 5| 7| 7| 6| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 0| 3| 4| 3| 3| 7| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | 6| 8| 1| 6| 3| 6| 8| 6| 7| 9| 7| 7| 4| 7| 7| 8| 8| 8| 0| 8| 9| 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Angiectasis | 3 | Cyst | X X X X X X X X X X| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + +| Dilatation | 3 | Endometrium, Hyperplasia, Cystic | 1 3 1 2 1 2 1 2 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + M + | __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + | Angiectasis | | Necrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Lymphoid | 3 | Necrosis | 3 | __________________________________________________________________________| Thymus | + + I M + + + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + | __________________________________________________________________________| Skin | + + + + + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + | Compression | X | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + | Inflammation, Chronic Active | 1 | __________________________________________________________________________| Nose | + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cornea, Inflammation, Chronic Active | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 5| 4| 7| 7| 7| 6| 7| 7| 5| 7| 7| 6| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 0| 3| 4| 3| 3| 7| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | 6| 8| 1| 6| 3| 6| 8| 6| 7| 9| 7| 7| 4| 7| 7| 8| 8| 8| 0| 8| 9| 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + + | Nephropathy, Chronic | 1 1 | Glomerulus, Inflammation, | | Membranoproliferative | | __________________________________________________________________________| Urinary Bladder | + + + M + + + + | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 4| 3| | DAY ON TEST | 4| 4| 4| 4| 4| 4| 0| 6| 0| 4| 4| 8| 4| 4| 4| 4| 4| 8| 4| 4| 7| 4| 4| 8| 6| | | 0| 0| 0| 3| 3| 3| 7| 0| 7| 3| 4| 0| 4| 4| 4| 5| 5| 2| 5| 5| 3| 6| 6| 6| 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 | B6C3F1 MICE 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 | + + + + + + + +| 16 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + A| 14 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + +| 16 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + A| 15 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + +| 16 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + A| 15 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + +| 17 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + A| 14 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + +| 15 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A| 16 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X | 2 | Eosinophilic Focus | | 1 3.0| Infarct, Multifocal | 2 2 2 | 5 2.2| Infiltration Cellular, Lymphocyte | | 1 2.0| Mixed Cell Focus | 3 | 1 3.0| __________________________________________________________________________|____________| Mesentery | + | 2 | __________________________________________________________________________|____________| Pancreas | + + + + + + + A| 15 | __________________________________________________________________________|____________| Salivary Glands | + + M + + + + +| 15 | Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + +| 20 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + +| 20 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + +| 16 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + +| 16 | Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + +| 16 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + +| 16 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + +| 16 | Hyperplasia | 1| 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + A| 15 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + +| 16 | __________________________________________________________________________|____________| Pituitary Gland | + + + M + + + + +| 19 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + +| 16 | Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | __________________________________________________________________________________________________________________________________ * : 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 12 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 4| 3| | DAY ON TEST | 4| 4| 4| 4| 4| 4| 0| 6| 0| 4| 4| 8| 4| 4| 4| 4| 4| 8| 4| 4| 7| 4| 4| 8| 6| | | 0| 0| 0| 3| 3| 3| 7| 0| 7| 3| 4| 0| 4| 4| 4| 5| 5| 2| 5| 5| 3| 6| 6| 6| 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 | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + +| 28 | Angiectasis | | 1 3.0| Cyst | X X X X X X X | 17 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + +| 36 | Dilatation | 3 | 2 3.0| Endometrium, Hyperplasia, Cystic | 1 1 1 2 3 1 1 3 1 | 18 1.7| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + +| 16 | __________________________________________________________________________|____________| Lymph Node | + + M + + + + + + + +| 18 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + | 7 | Angiectasis | 3 3 | 2 3.0| Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + +| 23 | Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia, Lymphoid | 3 | 2 3.0| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Thymus | + + M + + + + M| 12 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + + + + +| 15 | __________________________________________________________________________|____________| Skin | + + + + + + + +| 16 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + +| 16 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + +| 16 | Compression | | 1 | __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + +| 20 | Inflammation, Chronic Active | 3 | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + +| 16 | __________________________________________________________________________|____________| Trachea | + + + + + + + +| 16 | _____________________________________________________________________________________________________________________| | 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 13 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 4| 3| | DAY ON TEST | 4| 4| 4| 4| 4| 4| 0| 6| 0| 4| 4| 8| 4| 4| 4| 4| 4| 8| 4| 4| 7| 4| 4| 8| 6| | | 0| 0| 0| 3| 3| 3| 7| 0| 7| 3| 4| 0| 4| 4| 4| 5| 5| 2| 5| 5| 3| 6| 6| 6| 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 | B6C3F1 MICE 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 | | | | | | | | | __________________________________________________________________________|____________| Eye | M + + | 2 | Cornea, Inflammation, Chronic Active | 3 2 | 2 2.5| __________________________________________________________________________|____________| Harderian Gland | + + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + +| 16 | Nephropathy, Chronic | 1 1 | 4 1.0| Glomerulus, Inflammation, | | | Membranoproliferative | 2 | 1 2.0| __________________________________________________________________________|____________| 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 14 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 4| 2| 4| | 6| 6| 8| 0| 9| 6| 6| 4| 7| 7| 7| 7| 7| 8| 8| 5| 8| 8| 9| 9| 9| 9| 0| 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| 0| B6C3F1 MICE 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| 60 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 | + + + + + + | __________________________________________________________________________| Gallbladder | + + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + | Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | 1 1| Fatty Change | 1 | Hematopoietic Cell Proliferation | | Infarct, Multifocal | 3 | Necrosis, Focal | 2 | Centrilobular, Cytomegaly | 1 | __________________________________________________________________________| Mesentery | + + + | Inflammation, Suppurative | | Artery, Inflammation, Chronic Active | 2 | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + + + + | Inflammation, Chronic | | Acinus, Atrophy | | Duct, Dilatation | | __________________________________________________________________________| Salivary Glands | + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + | Cyst | | Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + | Cyst | X | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + | Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + | _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 4| 2| 4| | 6| 6| 8| 0| 9| 6| 6| 4| 7| 7| 7| 7| 7| 8| 8| 5| 8| 8| 9| 9| 9| 9| 0| 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| 0| B6C3F1 MICE 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| 60 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 | | | | __________________________________________________________________________| Parathyroid Gland | + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + +| Cyst | X X X X X X X X X X X X X X X| Thrombosis | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + | Dilatation | 3 | Inflammation, Suppurative | 2 | Endometrium, Hyperplasia, Cystic | 1 2 2 2 1 2 1 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + A + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + | __________________________________________________________________________| Lymph Node, Mesenteric | + + + | Angiectasis | 2 | __________________________________________________________________________| Spleen | + + + A + + + + + + + + + + | Hematopoietic Cell Proliferation | 2 1 1 3 | Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Thymus | + + + + + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M + + + | __________________________________________________________________________| Skin | + + + + + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + | Necrosis | 2 | Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + | Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + | Nasolacrimal Duct, Inflammation, | | _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 4| 2| 4| | 6| 6| 8| 0| 9| 6| 6| 4| 7| 7| 7| 7| 7| 8| 8| 5| 8| 8| 9| 9| 9| 9| 0| 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| 0| B6C3F1 MICE 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| 60 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Suppurative | | __________________________________________________________________________| Trachea | + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | + + + | Hyperplasia | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + | Cyst | | Renal Tubule, Necrosis | | Renal Tubule, Regeneration | | __________________________________________________________________________| Urinary Bladder | + + + + + + | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 5| 7| 4| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 8| 4| 7| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 8| 4| 8| 6| 4| 4| 4| 4| 4| | | 3| 6| 2| 0| 5| 8| 0| 3| 3| 3| 3| 4| 4| 4| 4| 1| 7| 5| 1| 5| 5| 5| 5| 6| 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 | B6C3F1 MICE 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 | 60 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 | + + + + + + + + + | 15 | __________________________________________________________________________|____________| Gallbladder | M + + + + + + + + | 14 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + | 21 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + A + + | 20 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + | 15 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + A + | 14 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + A + | 14 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + A + | 14 | Inflammation, Acute, Necrotizing | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + A + | 14 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + A + | 14 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Eosinophilic Focus | 2 | 3 1.3| Fatty Change | 1 2 1 1 1 | 6 1.2| Hematopoietic Cell Proliferation | 3 3 | 2 3.0| Infarct, Multifocal | 4 3 | 3 3.3| Necrosis, Focal | | 1 2.0| Centrilobular, Cytomegaly | 1 1 | 3 1.0| __________________________________________________________________________|____________| Mesentery | + + | 5 | Inflammation, Suppurative | 4 | 1 4.0| Artery, Inflammation, Chronic Active | | 1 2.0| Fat, Necrosis | 4 | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + | 15 | Inflammation, Chronic | 2 | 1 2.0| Acinus, Atrophy | 3 2 | 2 2.5| Duct, Dilatation | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + M + | 14 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + +| 21 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + +| 20 | Cyst | X| 1 | Epithelium, Hyperplasia | 1 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + | 16 | Cyst | | 1 | __________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + | 15 | Artery, Inflammation, Chronic Active | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | 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 18 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 5| 7| 4| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 8| 4| 7| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 8| 4| 8| 6| 4| 4| 4| 4| 4| | | 3| 6| 2| 0| 5| 8| 0| 3| 3| 3| 3| 4| 4| 4| 4| 1| 7| 5| 1| 5| 5| 5| 5| 6| 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 | B6C3F1 MICE 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 | 60 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + M + | 14 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + M + | 14 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + M + | 14 | __________________________________________________________________________|____________| Islets, Pancreatic | + M + + + + + + + | 14 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + A + | 14 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + M + + | 17 | Pars Distalis, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + M M + +| 36 | Cyst | X X X X X X X X X X X X X X| 29 | Thrombosis | X | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + +| 31 | Dilatation | | 1 3.0| Inflammation, Suppurative | 2 | 2 2.0| Endometrium, Hyperplasia, Cystic | 2 4 1 2 1 1 2| 16 1.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + | 15 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + M + | 16 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 5 | Angiectasis | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + +| 27 | Hematopoietic Cell Proliferation | 3 | 5 2.0| Hyperplasia, Lymphoid | 2 4| 3 3.0| __________________________________________________________________________|____________| Thymus | M + M + + M + M + | 11 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + M + + | 12 | __________________________________________________________________________|____________| Skin | + + + + + + + + + | 17 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + | 16 | _____________________________________________________________________________________________________________________| | NERVOUS 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 19 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 5| 7| 4| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 8| 4| 7| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 8| 4| 8| 6| 4| 4| 4| 4| 4| | | 3| 6| 2| 0| 5| 8| 0| 3| 3| 3| 3| 4| 4| 4| 4| 1| 7| 5| 1| 5| 5| 5| 5| 6| 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 | B6C3F1 MICE 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 | 60 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| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + | 15 | Necrosis | | 1 2.0| Artery, Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + | 20 | Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + | 15 | Nasolacrimal Duct, Inflammation, | | | Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | __________________________________________________________________________|____________| Harderian Gland | + | 4 | Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + | 16 | Cyst | X X | 2 | Renal Tubule, Necrosis | 2 | 1 2.0| Renal Tubule, Regeneration | 3 | 1 3.0| __________________________________________________________________________|____________| 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 20 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 1| 3| 3| 3| 3| 3| 3| 6| 5| 5| 3| 3| 3| 3| 3| 4| 9| 4| 4| | 6| 6| 6| 6| 7| 5| 1| 7| 7| 7| 8| 8| 8| 1| 6| 9| 8| 9| 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| 0| 0| 0| B6C3F1 MICE 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| 200 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 | + + + + + + | __________________________________________________________________________| Gallbladder | + A + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X 3 X | Degeneration, Cystic | | Eosinophilic Focus | 2 3 2 | Fatty Change | 2 1 1 2 1 1 1 1 2 2 1 2 2 1 | Infarct, Multifocal | 3 | Inflammation, Chronic | 2 | Centrilobular, Congestion, Chronic | 2 | Centrilobular, Cytomegaly | 2 2 2 2 1 1 2 2 2 2 1 2 2 | Hepatocyte, Necrosis | | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | 4 | Artery, Inflammation, Chronic Active | | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + + | __________________________________________________________________________| Salivary Glands | + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + | Hyperplasia, Squamous | 2 | Epithelium, Hyperplasia | 3 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + | Artery, Inflammation, Chronic Active | | __________________________________________________________________________| Tooth | | Incisor, Upper, Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + | Bacterium | X | Cardiomyopathy, Chronic Active | 3 | Artery, Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 1| 3| 3| 3| 3| 3| 3| 6| 5| 5| 3| 3| 3| 3| 3| 4| 9| 4| 4| | 6| 6| 6| 6| 7| 5| 1| 7| 7| 7| 8| 8| 8| 1| 6| 9| 8| 9| 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| 0| 0| 0| B6C3F1 MICE 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| 200 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 | + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + M + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + | Pars Distalis, Hyperplasia | 3 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Duct, Dilatation | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + | Cyst | X X X X X X X X X X | Inflammation, Chronic Active | 4 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + +| Dilatation | | Inflammation, Chronic Active | | Inflammation, Suppurative | | Endometrium, Hyperplasia, Cystic | 1 2 2 2 1 2 2 1 2 1| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + | Lumbar, Edema | | Mandibular, Edema | | __________________________________________________________________________| Lymph Node, Mesenteric | + | __________________________________________________________________________| Spleen | + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 | __________________________________________________________________________| Thymus | + + + M + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M + + + + + | __________________________________________________________________________| Skin | + + + + + + | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + | Meninges, Infiltration Cellular, | | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 1| 3| 3| 3| 3| 3| 3| 6| 5| 5| 3| 3| 3| 3| 3| 4| 9| 4| 4| | 6| 6| 6| 6| 7| 5| 1| 7| 7| 7| 8| 8| 8| 1| 6| 9| 8| 9| 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| 0| 0| 0| B6C3F1 MICE 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| 200 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| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Lymphocyte | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + | Hemorrhage, Chronic | 2 | Inflammation, Chronic Active | 1 | __________________________________________________________________________| Nose | + + + + + + | __________________________________________________________________________| Trachea | + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Harderian Gland | + + | Hyperplasia | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + | Nephropathy, Chronic | 1 3 | Artery, Inflammation, Chronic Active | | Glomerulus, Inflammation, | | Membranoproliferative | | Pelvis, Inflammation, Suppurative | | Renal Tubule, Necrosis | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| | DAY ON TEST | 3| 4| 3| 4| 4| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 7| 7| | | 5| 3| 5| 3| 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 5| 5| 0| 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 | B6C3F1 MICE 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 | 200 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 | + + + + + + +| 13 | __________________________________________________________________________|____________| Gallbladder | + + + + + + +| 12 | __________________________________________________________________________|____________| Intestine Large | + + + + + + +| 14 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Small | A + + + + + + + + +| 17 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + + +| 12 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + + + + +| 14 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + + + +| 15 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | | 3 3.0| Degeneration, Cystic | 2 | 1 2.0| Eosinophilic Focus | 2 2 | 5 2.2| Fatty Change | 1 2 1 2 2 2 2 2 2 2 1 3 | 26 1.6| Infarct, Multifocal | 2 | 2 2.5| Inflammation, Chronic | 2 2 2 2| 5 2.0| Centrilobular, Congestion, Chronic | | 1 2.0| Centrilobular, Cytomegaly | 2 1 2 1 1 2 2 2 2 2 2 1 2 | 26 1.7| Hepatocyte, Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Mesentery | + + | 4 | Inflammation, Suppurative | | 1 4.0| Artery, Inflammation, Chronic Active | 3 | 1 3.0| Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | A + + + + + +| 12 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + +| 14 | __________________________________________________________________________|____________| Stomach | A + + + + + + + + + + +| 20 | __________________________________________________________________________|____________| Stomach, Forestomach | A + + + + + + + + + + +| 20 | Hyperplasia, Squamous | 3 3 2 | 4 2.5| Epithelium, Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Stomach, Glandular | A + + + + + + + +| 15 | Artery, Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Tooth | + | 1 | Incisor, Upper, Dysplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + +| 13 | Bacterium | | 1 | Cardiomyopathy, Chronic Active | | 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 24 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| | DAY ON TEST | 3| 4| 3| 4| 4| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 7| 7| | | 5| 3| 5| 3| 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 5| 5| 0| 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 | B6C3F1 MICE 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 | 200 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 | | | | | | Artery, Inflammation, Chronic Active | 3 | 2 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + +| 13 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + +| 13 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + +| 13 | __________________________________________________________________________|____________| Islets, Pancreatic | A + + + + + +| 12 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + +| 13 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + +| 17 | Pars Distalis, Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + +| 14 | Follicular Cell, Hyperplasia | 1| 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | Duct, Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + +| 28 | Cyst | X X X X X X | 16 | Inflammation, Chronic Active | 2 3 4 4 4| 6 3.5| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + +| 33 | Dilatation | 3 | 1 3.0| Inflammation, Chronic Active | 2 4| 2 3.0| Inflammation, Suppurative | 2 2 | 2 2.0| Endometrium, Hyperplasia, Cystic | 1 1 2 1 2 1 1 1 1 2 | 20 1.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + +| 13 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + +| 20 | Lumbar, Edema | 3| 1 3.0| Mandibular, Edema | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + | 6 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + +| 23 | Hematopoietic Cell Proliferation | 3 3| 4 2.5| __________________________________________________________________________|____________| Thymus | M + + + M + M| 9 | _____________________________________________________________________________________________________________________| | 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 25 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| | DAY ON TEST | 3| 4| 3| 4| 4| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 7| 7| | | 5| 3| 5| 3| 3| 3| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 5| 5| 0| 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 | B6C3F1 MICE 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 | 200 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + +| 13 | __________________________________________________________________________|____________| Skin | + + + + + + +| 13 | Inflammation, Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + +| 13 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + +| 13 | Meninges, Infiltration Cellular, | | | Lymphocyte | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + +| 15 | Hemorrhage, Chronic | | 1 2.0| Inflammation, Chronic Active | 3 2 | 3 2.0| __________________________________________________________________________|____________| Nose | + + + + + + +| 13 | __________________________________________________________________________|____________| Trachea | + + + + + + +| 13 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 2 | Degeneration | 3 4 | 2 3.5| __________________________________________________________________________|____________| Harderian Gland | + | 3 | Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + +| 13 | Nephropathy, Chronic | 1 1| 4 1.5| Artery, Inflammation, Chronic Active | 2 | 1 2.0| Glomerulus, Inflammation, | | | Membranoproliferative | 3 | 1 3.0| Pelvis, Inflammation, Suppurative | 2| 1 2.0| Renal Tubule, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + +| 13 | Artery, Inflammation, Chronic Active | 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 26 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 6| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 7| 3| 5| 3| 3| 3| 2| 3| 8| 3| 3| 3| 3| 4| 3| 8| 3| 0| 3| 3| 3| 3| 4| | 6| 6| 5| 6| 3| 6| 7| 7| 5| 7| 5| 7| 8| 8| 8| 3| 8| 7| 0| 2| 9| 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| B6C3F1 MICE 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| 200 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 | + + + + + + + + | __________________________________________________________________________| Gallbladder | + A + + + + + + | __________________________________________________________________________| Intestine Large | + A + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + A + A + + + + | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Colon | + A + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + A + M + + + + | __________________________________________________________________________| Intestine Small | + A + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + A + M + + + + | Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Intestine Small, Ileum | + A + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + A + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Eosinophilic Focus | 1 | Fatty Change | 1 2 3 1 2 2 2 2 1 1 2 1| Hematopoietic Cell Proliferation | | Infarct, Multifocal | 2 | Inflammation, Chronic | 2| Centrilobular, Cytomegaly | 1 1 1 1 2 1 1 1 2 1 2| Hepatocyte, Necrosis | | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | 4 | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + A + + + + + + | Acinus, Atrophy | 3 | Duct, Dilatation | | __________________________________________________________________________| Salivary Glands | + + + + + + + + | __________________________________________________________________________| Stomach | + A + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + A + + + + + + | Cyst | | __________________________________________________________________________| Stomach, Glandular | + A + + + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + | Hematopoietic Cell Proliferation | | Corticomedullary Junction, | | Degeneration, Fatty | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + A + + + + + + | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 6| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 7| 3| 5| 3| 3| 3| 2| 3| 8| 3| 3| 3| 3| 4| 3| 8| 3| 0| 3| 3| 3| 3| 4| | 6| 6| 5| 6| 3| 6| 7| 7| 5| 7| 5| 7| 8| 8| 8| 3| 8| 7| 0| 2| 9| 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| B6C3F1 MICE 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| 200 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 | | | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + | Pars Distalis, Hyperplasia | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + | Cyst | X X X X X X X | Inflammation, Chronic Active | 4 4 | Thrombosis | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + +| Dilatation | 2 3 | Inflammation, Suppurative | 3 3 | Endometrium, Hyperplasia, Cystic | 2 1 2 3 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + + + | Mediastinal, Inflammation, | | Suppurative | 3 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 1 3 3 | Hyperplasia, Lymphoid | 2 1 | __________________________________________________________________________| Thymus | + A + + + + + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + M + M + + | __________________________________________________________________________| Skin | + + + + + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + | Hyperplasia, Lymphoid | | Inflammation, Chronic Active | 1 2 | _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 6| 7| 7| 7| 6| 7| 1| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 7| 3| 5| 3| 3| 3| 2| 3| 8| 3| 3| 3| 3| 4| 3| 8| 3| 0| 3| 3| 3| 3| 4| | 6| 6| 5| 6| 3| 6| 7| 7| 5| 7| 5| 7| 8| 8| 8| 3| 8| 7| 0| 2| 9| 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| B6C3F1 MICE 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| 200 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Nose | + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Harderian Gland | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + | Nephropathy, Chronic | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + | Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 1| 4| 4| 7| 4| 4| 4| 4| 4| 4| 4| 4| 3| 6| 4| 4| 4| 4| 4| 4| 4| 4| | | 0| 0| 0| 9| 3| 3| 4| 3| 3| 4| 4| 4| 4| 5| 5| 5| 0| 5| 6| 6| 6| 6| 6| 6| 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 | B6C3F1 MICE 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 | 200 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 | + + + + | 12 | __________________________________________________________________________|____________| Gallbladder | + + + + | 11 | __________________________________________________________________________|____________| Intestine Large | + + + + + | 12 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + | 10 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + | 12 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + | 10 | __________________________________________________________________________|____________| Intestine Small | + + + + + | 12 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + | 10 | Inflammation, Acute, Necrotizing | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + | 11 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + | 12 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | 2 | 2 2.0| Eosinophilic Focus | 2 2 3 | 4 2.0| Fatty Change | 2 2 2 1 1 1 1 1 1 1 1 1 2 2 1| 27 1.5| Hematopoietic Cell Proliferation | 3 | 1 3.0| Infarct, Multifocal | 2 | 2 2.0| Inflammation, Chronic | | 1 2.0| Centrilobular, Cytomegaly | 2 1 1 2 1 1 1 2 1 1 1 1 1 1| 25 1.2| Hepatocyte, Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Mesentery | + + | 4 | Inflammation, Suppurative | | 1 4.0| Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + | 12 | Acinus, Atrophy | 4 | 2 3.5| Duct, Dilatation | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + | 12 | __________________________________________________________________________|____________| Stomach | + + + + + | 12 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + | 12 | Cyst | X | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + | 11 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + | 12 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + | 12 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + | 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 30 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 1| 4| 4| 7| 4| 4| 4| 4| 4| 4| 4| 4| 3| 6| 4| 4| 4| 4| 4| 4| 4| 4| | | 0| 0| 0| 9| 3| 3| 4| 3| 3| 4| 4| 4| 4| 5| 5| 5| 0| 5| 6| 6| 6| 6| 6| 6| 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 | B6C3F1 MICE 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 | 200 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 | | | | | | Hematopoietic Cell Proliferation | 3 | 1 3.0| Corticomedullary Junction, | | | Degeneration, Fatty | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + | 12 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + | 11 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + | 12 | __________________________________________________________________________|____________| Pituitary Gland | + + + + | 14 | Pars Distalis, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + | 12 | Follicular Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + | 25 | Cyst | X X X X X X X X | 15 | Inflammation, Chronic Active | | 2 4.0| Thrombosis | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + +| 33 | Dilatation | | 2 2.5| Inflammation, Suppurative | 2 | 3 2.7| Endometrium, Hyperplasia, Cystic | 1 3 2 2 2 3 3 2 2 2 3 1 1 1 2| 24 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + | 12 | __________________________________________________________________________|____________| Lymph Node | + + + + + | 15 | Mediastinal, Inflammation, | | | Suppurative | | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 4 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + | 23 | Hematopoietic Cell Proliferation | 2 2 2 | 6 2.2| Hyperplasia, Lymphoid | 2 | 3 1.7| __________________________________________________________________________|____________| Thymus | + + + + | 11 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + + + | 9 | __________________________________________________________________________|____________| Skin | + + + + | 12 | _____________________________________________________________________________________________________________________| | 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 31 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 1| 4| 4| 7| 4| 4| 4| 4| 4| 4| 4| 4| 3| 6| 4| 4| 4| 4| 4| 4| 4| 4| | | 0| 0| 0| 9| 3| 3| 4| 3| 3| 4| 4| 4| 4| 5| 5| 5| 0| 5| 6| 6| 6| 6| 6| 6| 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 | B6C3F1 MICE 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 | 200 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone | + + + + | 12 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + | 13 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + | 13 | Hyperplasia, Lymphoid | 2 | 1 2.0| Inflammation, Chronic Active | | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + | 12 | __________________________________________________________________________|____________| Trachea | + + + + | 12 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Degeneration | 4 | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + | 14 | Nephropathy, Chronic | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + M + | 11 | Artery, Inflammation, Chronic Active | | 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 32 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 9| 3| 3| 3| 3| 3| 9| 6| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| | 6| 6| 4| 6| 6| 7| 7| 7| 0| 2| 7| 8| 8| 8| 5| 8| 9| 9| 6| 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| 0| 0| B6C3F1 MICE 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| 200 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 | + + + + + | __________________________________________________________________________| Gallbladder | A + + + + | __________________________________________________________________________| Intestine Large | A + + + + | __________________________________________________________________________| Intestine Large, Cecum | A + + A + | Fibrosis | | __________________________________________________________________________| Intestine Large, Colon | A + + + + | __________________________________________________________________________| Intestine Large, Rectum | A + + A + | __________________________________________________________________________| Intestine Small | A + + + + | __________________________________________________________________________| Intestine Small, Duodenum | A + + A + | Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Intestine Small, Ileum | A + + + + | Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Intestine Small, Jejunum | A + + + + | __________________________________________________________________________| Liver | + + A + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | | Degeneration, Cystic | | Eosinophilic Focus | 2 X | Fatty Change | 1 2 2 2 1 1 1 1 2 1 1| Hematopoietic Cell Proliferation | | Infarct, Multifocal | 3 1 | Bile Duct, Hyperplasia | | Centrilobular, Cytomegaly | 1 3 2 2 1 1 1 2 2 1 1 2 | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | A + + + + | Inflammation, Chronic | | Acinus, Atrophy | | Duct, Hyperplasia | | __________________________________________________________________________| Salivary Glands | A + + + + | __________________________________________________________________________| Stomach | + A + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + A + + + + + + + + + | Hyperplasia, Squamous | 3 2 2 | Epithelium, Hyperplasia | 3 3 | __________________________________________________________________________| Stomach, Glandular | A + + + + + + + | __________________________________________________________________________| Tooth | + | Incisor, Upper, Dysplasia | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + | Bacterium | X | Atrium, Thrombosis | | Valve, Inflammation, Suppurative | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 9| 3| 3| 3| 3| 3| 9| 6| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| | 6| 6| 4| 6| 6| 7| 7| 7| 0| 2| 7| 8| 8| 8| 5| 8| 9| 9| 6| 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| 0| 0| B6C3F1 MICE 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| 200 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 | A + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | A + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | A + + + + | Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | A + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + + | __________________________________________________________________________| Pituitary Gland | A + + + A + + M + +| Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | A + + + + | Follicular Cell, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + A + + + + + + + + + + + + +| Angiectasis | | Cyst | X X X X X X X X X X X X| Fibrosis | | Inflammation, Chronic Active | | Thrombosis | | __________________________________________________________________________| Uterus | + + A + + + + + + + + + + + | Fibrosis | 3 | Inflammation, Suppurative | | Thrombosis | X | Endometrium, Hyperplasia, Cystic | 3 2 2 2 1 2 1 2 2 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | A + + + + | Femoral, Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | A + + + + + + + | Mandibular, Edema | | Mandibular, Hyperplasia, Lymphoid | | Pancreatic, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + | Angiectasis | | __________________________________________________________________________| Spleen | + A + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | A + + A + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 9| 3| 3| 3| 3| 3| 9| 6| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| | 6| 6| 4| 6| 6| 7| 7| 7| 0| 2| 7| 8| 8| 8| 5| 8| 9| 9| 6| 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| 0| 0| B6C3F1 MICE 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| 200 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Skin | + + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + | Bacterium | X | Inflammation, Acute | 3 | __________________________________________________________________________| Nose | + + + + + | __________________________________________________________________________| Trachea | + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Degeneration | 4 3 | __________________________________________________________________________| Harderian Gland | + + + | __________________________________________________________________________| Zymbal's Gland | + | Dilatation | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + | Nephropathy, Chronic | | __________________________________________________________________________| Urinary Bladder | A + + + + | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 6| | DAY ON TEST | 4| 6| 4| 4| 4| 4| 4| 4| 4| 8| 3| 1| 4| 4| 4| 4| 4| 7| 4| 4| 4| 8| 4| 4| 7| | | 0| 5| 3| 3| 3| 3| 4| 4| 4| 0| 0| 7| 4| 5| 5| 5| 5| 4| 6| 6| 6| 9| 6| 6| 5| 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 | B6C3F1 MICE 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 | 200 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 | + + + + + + +| 12 | __________________________________________________________________________|____________| Gallbladder | + + + + + + +| 11 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + M| 11 | Fibrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + +| 11 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + +| 10 | __________________________________________________________________________|____________| Intestine Small | + + + + + + +| 11 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + +| 10 | Inflammation, Acute, Necrotizing | 2 2 | 2 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + +| 11 | Inflammation, Acute, Necrotizing | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + +| 11 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | | 1 | Clear Cell Focus | 3 | 1 3.0| Degeneration, Cystic | 1 | 1 1.0| Eosinophilic Focus | 2 | 3 2.0| Fatty Change | 1 2 2 1 1 1 1 2 1 1 1 2 | 23 1.3| Hematopoietic Cell Proliferation | 2| 1 2.0| Infarct, Multifocal | 2 | 3 2.0| Bile Duct, Hyperplasia | 3 | 1 3.0| Centrilobular, Cytomegaly | 2 2 2 2 2 2 2 2 2 2 2 1 2 | 25 1.8| __________________________________________________________________________|____________| Mesentery | + + | 2 | __________________________________________________________________________|____________| Pancreas | + + + + + + +| 11 | Inflammation, Chronic | 4 | 1 4.0| Acinus, Atrophy | 3 3 | 2 3.0| Duct, Hyperplasia | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + +| 11 | __________________________________________________________________________|____________| Stomach | + + + + + + +| 17 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + | 16 | Hyperplasia, Squamous | | 3 2.3| Epithelium, Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + | 13 | __________________________________________________________________________|____________| Tooth | | 1 | Incisor, Upper, Dysplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + +| 13 | __________________________________________________________________________________________________________________________________ * : 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: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 6| | DAY ON TEST | 4| 6| 4| 4| 4| 4| 4| 4| 4| 8| 3| 1| 4| 4| 4| 4| 4| 7| 4| 4| 4| 8| 4| 4| 7| | | 0| 5| 3| 3| 3| 3| 4| 4| 4| 0| 0| 7| 4| 5| 5| 5| 5| 4| 6| 6| 6| 9| 6| 6| 5| 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 | B6C3F1 MICE 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 | 200 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 | | | | | | Bacterium | | 1 | Atrium, Thrombosis | X | 1 | Valve, Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + +| 11 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + +| 11 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + +| 11 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + +| 11 | __________________________________________________________________________|____________| Parathyroid Gland | + + + M + + +| 11 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + M M + + +| 15 | Pars Distalis, Hyperplasia | 2 3 | 2 2.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + +| 11 | Follicular Cell, Hyperplasia | 1 | 2 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + +| 30 | Angiectasis | 3 | 1 3.0| Cyst | X X X X X X X X X X X X| 24 | Fibrosis | 4 | 1 4.0| Inflammation, Chronic Active | 4| 1 4.0| Thrombosis | X | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + +| 32 | Fibrosis | | 1 3.0| Inflammation, Suppurative | 3| 1 3.0| Thrombosis | | 1 | Endometrium, Hyperplasia, Cystic | 2 2 1 2 1 2 1 3 2 1 2 3 2 1 2 | 25 1.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + +| 11 | Femoral, Myelofibrosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + +| 20 | Mandibular, Edema | 3 | 1 3.0| Mandibular, Hyperplasia, Lymphoid | 3 | 1 3.0| Pancreatic, Hyperplasia, Lymphoid | 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 37 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 6| | DAY ON TEST | 4| 6| 4| 4| 4| 4| 4| 4| 4| 8| 3| 1| 4| 4| 4| 4| 4| 7| 4| 4| 4| 8| 4| 4| 7| | | 0| 5| 3| 3| 3| 3| 4| 4| 4| 0| 0| 7| 4| 5| 5| 5| 5| 4| 6| 6| 6| 9| 6| 6| 5| 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 | B6C3F1 MICE 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 | 200 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, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + | 9 | Angiectasis | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + +| 27 | Hematopoietic Cell Proliferation | 1 2 3| 3 2.0| Hyperplasia, Lymphoid | 2 3 | 2 2.5| __________________________________________________________________________|____________| Thymus | + + + + + + +| 10 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + | 5 | __________________________________________________________________________|____________| Skin | + + + + + + + +| 13 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + +| 12 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + +| 12 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + +| 13 | Bacterium | | 1 | Inflammation, Acute | | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + +| 12 | __________________________________________________________________________|____________| Trachea | + + + + + + +| 12 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | Degeneration | 3 | 3 3.3| __________________________________________________________________________|____________| Harderian Gland | + | 4 | __________________________________________________________________________|____________| Zymbal's Gland | | 1 | Dilatation | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + +| 12 | Nephropathy, Chronic | 1 | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + +| 11 | Artery, Inflammation, Chronic Active | 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 38 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 7| 0| 3| 3| 3| 3| 2| 3| 3| 0| 3| 3| 3| 3| 4| 4| 4| | 6| 6| 6| 6| 7| 7| 7| 7| 0| 3| 8| 7| 8| 8| 4| 8| 9| 0| 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| 0| 0| B6C3F1 MICE 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| 600 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + A + + + + + A + + M + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + A + + + + + + + + + + + + + + + +| Edema | | Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X 3 | Clear Cell Focus | | Eosinophilic Focus | X X 2 2 X | Fibrosis, Multifocal | 2 | Hematopoietic Cell Proliferation | | Infarct, Multifocal | 4 3 2 2 2 | Mixed Cell Focus | 2 | Vacuolization Cytoplasmic | 3 | Centrilobular, Cytomegaly | 1 2 2 2 1 1 1 2 1 1 1 1 2 2 2 1 1 1 1| __________________________________________________________________________| Mesentery | + + + | Artery, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + A + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 1 | Acinus, Depletion Secretory | 3 | Artery, Inflammation, Chronic Active | 2 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + A + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Chronic Active | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + + | Incisor, Upper, Dysplasia | 1 1 | Peridontal Tissue, Inflammation, | | Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 7| 0| 3| 3| 3| 3| 2| 3| 3| 0| 3| 3| 3| 3| 4| 4| 4| | 6| 6| 6| 6| 7| 7| 7| 7| 0| 3| 8| 7| 8| 8| 4| 8| 9| 0| 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| 0| 0| B6C3F1 MICE 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| 600 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + I + + + + M + + + + + + M + + + M + + + + M| Pars Distalis, Hyperplasia | 1 1 1 2 1 1 1 1 2 1 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Follicular Cell, Hyperplasia | 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Cyst | X X X X X | Thrombosis | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + I + + + +| Femoral, Myelofibrosis | 1 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + M + + + + M +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Thymus | + + I + + M + + + + + + + M + + + + M + + + + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M M + + + + + M M + + + M + + + M + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + M + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + I + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 7| 0| 3| 3| 3| 3| 2| 3| 3| 0| 3| 3| 3| 3| 4| 4| 4| | 6| 6| 6| 6| 7| 7| 7| 7| 0| 3| 8| 7| 8| 8| 4| 8| 9| 0| 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| 0| 0| B6C3F1 MICE 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| 600 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, Chronic Active | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Suppurative | | Nasolacrimal Duct, Inflammation, | | Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Osseous | | Nephropathy, Chronic | 1 1 1 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + A + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 4| 4| 3| 4| 4| 4| 8| 4| 4| 4| 4| 4| 4| 8| 1| 4| 4| 4| 4| 4| 3| 4| | | 0| 3| 3| 3| 3| 0| 4| 2| 4| 7| 4| 4| 5| 5| 5| 5| 7| 9| 6| 6| 6| 6| 6| 7| 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 | B6C3F1 MICE 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 | 600 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 | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | __________________________________________________________________________|____________| Gallbladder | + + + + + + M + + + + + + + + + + M + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + M + + + + + + + + + A + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Edema | 3 | 1 3.0| Inflammation, Acute, Necrotizing | 4 | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | 3 | 3 3.0| Clear Cell Focus | 2 1 X X X | 5 1.5| Eosinophilic Focus | 2 3 3 | 8 2.4| Fibrosis, Multifocal | | 1 2.0| Hematopoietic Cell Proliferation | 2 | 1 2.0| Infarct, Multifocal | 2 | 6 2.5| Mixed Cell Focus | X | 2 2.0| Vacuolization Cytoplasmic | | 1 3.0| Centrilobular, Cytomegaly | 2 1 2 1 2 1 2 2 1 2 2 1 1 1 2 3 2 2| 37 1.5| __________________________________________________________________________|____________| Mesentery | + + + | 6 | Artery, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy | 1 2 1| 5 1.2| Acinus, Depletion Secretory | | 1 3.0| Artery, Inflammation, Chronic Active | | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Diverticulum | 2 | 1 2.0| Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | + + + + + + + + + + | 12 | Incisor, Upper, Dysplasia | 1 1 1 1 1 1 1 1 | 10 1.0| Peridontal Tissue, Inflammation, | | | Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | 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 42 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 4| 4| 3| 4| 4| 4| 8| 4| 4| 4| 4| 4| 4| 8| 1| 4| 4| 4| 4| 4| 3| 4| | | 0| 3| 3| 3| 3| 0| 4| 2| 4| 7| 4| 4| 5| 5| 5| 5| 7| 9| 6| 6| 6| 6| 6| 7| 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 | B6C3F1 MICE 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 | 600 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 | | | | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + + + + + + +| 44 | Pars Distalis, Hyperplasia | 2 3 1 2 1 1 | 17 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | Inflammation, Chronic Active | 1 1 2 | 4 1.5| Follicular Cell, Hyperplasia | 1 1 2 1 2 2 1 1 1 | 15 1.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 | 2 3.0| Cyst | X X X X X X X X | 13 | Thrombosis | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation | 3 2 2| 3 2.3| Inflammation, Suppurative | 3| 2 2.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + | 3 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Femoral, Myelofibrosis | | 2 1.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 6 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Thymus | + + M + + + M M + + + + + + + + + + + + + + + + +| 42 | _____________________________________________________________________________________________________________________| | 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 43 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 4| 4| 3| 4| 4| 4| 8| 4| 4| 4| 4| 4| 4| 8| 1| 4| 4| 4| 4| 4| 3| 4| | | 0| 3| 3| 3| 3| 0| 4| 2| 4| 7| 4| 4| 5| 5| 5| 5| 7| 9| 6| 6| 6| 6| 6| 7| 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 | B6C3F1 MICE 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 | 600 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 | M + + + + + + + + + + + + + M + M M + + + + + M +| 39 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mucosa, Inflammation, Suppurative | 3 | 1 3.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Osseous | 1 | 1 1.0| Nephropathy, Chronic | 1 1 1 1 1 1 1 1 1| 14 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Artery, Inflammation, Chronic Active | | 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 44 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 1| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 3| 3| 4| 4| 4| 4| | 1| 6| 6| 6| 6| 7| 8| 7| 6| 7| 7| 8| 8| 8| 8| 3| 9| 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| 0| 0| 0| B6C3F1 MICE 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| 600 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + M + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X 1 X | Clear Cell Focus | | Degeneration, Cystic | 1 1 1| Eosinophilic Focus | 2 2 2 3 2 3 | Infarct, Multifocal | 1 4 2 | Inflammation, Chronic | | Centrilobular, Cytomegaly | 1 2 1 1 2 1 1 1 2 2 1 1 2 2 1 2| __________________________________________________________________________| Mesentery | + + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + A + + + + + + +| Inflammation, Chronic | | Acinus, Atrophy | 2 2 | Acinus, Depletion Secretory | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Tooth | + + + + + + | Incisor, Upper, Dysplasia | 1 1 1 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + I A + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + I A + + + + + + +| Hematopoietic Cell Proliferation | 3 | Hyperplasia | | Hypertrophy | | Thrombosis | X | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + M A + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + A + + + + + + +| _____________________________________________________________________________________________________________________| Page 45 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 1| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 3| 3| 4| 4| 4| 4| | 1| 6| 6| 6| 6| 7| 8| 7| 6| 7| 7| 8| 8| 8| 8| 3| 9| 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| 0| 0| 0| B6C3F1 MICE 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| 600 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + + + + + + + + + + + + + M + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + M + + + M M + + + I + + +| Pars Distalis, Hyperplasia | 1 3 2 1 1 1 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 3 2 1 3 3 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 | Cyst | X X X X X X | Thrombosis | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 3 | Inflammation, Suppurative | 2 | Endometrium, Hyperplasia, Cystic | 2 1 3 2 | __________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Myelofibrosis | 1 1 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Bronchial | + | __________________________________________________________________________| Lymph Node, Mesenteric | + + + | Angiectasis | | Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + A + + + + + + +| Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + M + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + + + M + + M + + + + + M + + M M M + + + M +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Mineralization | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 8| 3| 3| 3| 3| 3| 6| 3| 1| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 3| 3| 4| 4| 4| 4| | 1| 6| 6| 6| 6| 7| 8| 7| 6| 7| 7| 8| 8| 8| 8| 3| 9| 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| 0| 0| 0| B6C3F1 MICE 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| 600 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| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | Alveolar Epithelium, Hyperplasia | 2 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 1 1 1 1 1 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 6| 4| 8| 0| 4| 4| 4| 8| 4| 4| 7| 6| 4| 4| 4| 4| 4| 4| 4| 2| 4| 2| | | 3| 3| 3| 4| 3| 6| 9| 3| 4| 4| 4| 4| 4| 0| 9| 5| 5| 5| 5| 6| 6| 6| 9| 6| 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 | B6C3F1 MICE 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 | 600 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 | __________________________________________________________________________|____________| Gallbladder | + M + A + + + + + + + + + + + + + M + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + A + + + + + + A + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + A + + + + M + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + A + + + + + + A + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Acute, Necrotizing | 3 | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | | 4 1.0| Clear Cell Focus | X | 1 | Degeneration, Cystic | 1 1 | 5 1.0| Eosinophilic Focus | 2 3 | 8 2.4| Infarct, Multifocal | 1 2 3 3 3 3 3 2| 11 2.5| Inflammation, Chronic | 2 2 | 2 2.0| Centrilobular, Cytomegaly | 1 1 1 2 1 1 1 1 1 1 2 2 1 1 1 | 31 1.3| __________________________________________________________________________|____________| Mesentery | + + + +| 6 | __________________________________________________________________________|____________| Pancreas | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic | 2 | 1 2.0| Acinus, Atrophy | 4 | 3 2.7| Acinus, Depletion Secretory | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Glandular | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Tooth | + + + | 9 | Incisor, Upper, Dysplasia | 1 1 | 7 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | | 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 48 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 6| 4| 8| 0| 4| 4| 4| 8| 4| 4| 7| 6| 4| 4| 4| 4| 4| 4| 4| 2| 4| 2| | | 3| 3| 3| 4| 3| 6| 9| 3| 4| 4| 4| 4| 4| 0| 9| 5| 5| 5| 5| 6| 6| 6| 9| 6| 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 | B6C3F1 MICE 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 | 600 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Hyperplasia | 1 | 1 1.0| Hypertrophy | 2 3 | 2 2.5| Thrombosis | | 1 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + M + + + + + + M + + + M + + + + + + +| 45 | __________________________________________________________________________|____________| Pituitary Gland | I + I + + + + + + + + + + I + + + M + + + + + I +| 41 | Pars Distalis, Hyperplasia | 1 1 3 1 1 2 1 2 1| 17 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 1 2 2 2 | 13 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + I + + + + + + +| 49 | Angiectasis | 2 | 2 3.0| Cyst | X X X X X X X X X X X X | 18 | Thrombosis | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation | 3 | 3 3.0| Inflammation, Suppurative | | 1 2.0| Endometrium, Hyperplasia, Cystic | 1 2 1 2 | 8 1.8| __________________________________________________________________________|____________| Vagina | + | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Myelofibrosis | 1 | 3 1.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Bronchial | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + +| 6 | Angiectasis | 3 | 1 3.0| Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | 3 2 | 2 2.5| __________________________________________________________________________|____________| Thymus | + + + + M M + + + + + + + M + + + + + + + + + + M| 45 | _____________________________________________________________________________________________________________________| | 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 49 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 5| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 6| 4| 8| 0| 4| 4| 4| 8| 4| 4| 7| 6| 4| 4| 4| 4| 4| 4| 4| 2| 4| 2| | | 3| 3| 3| 4| 3| 6| 9| 3| 4| 4| 4| 4| 4| 0| 9| 5| 5| 5| 5| 6| 6| 6| 9| 6| 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 | B6C3F1 MICE 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 | 600 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 | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + M M + + + + + + + + +| 40 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Mineralization | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + M + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 2 2 | 4 1.8| Alveolar Epithelium, Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 1 2 1 1 1 1 1 | 17 1.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + M + + + + + + + + + + + + + +| 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 50 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 0| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 4| 9| 4| 4| 4| 5| 5| 5| 0| 5| 6| 0| 6| 9| 8| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + A + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + A + + + + + M + + + M + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + A + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + M + + + + + M + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X 2 | Clear Cell Focus | 3 3 4 X | Cyst | | Eosinophilic Focus | 2 2 | Fatty Change | 1 1 1 2 | Hematopoietic Cell Proliferation | | Infarct, Multifocal | 2 4 | Mixed Cell Focus | X | Necrosis | 2 | Regeneration, Diffuse | | Bile Duct, Hyperplasia | 2 | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | | Artery, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 2 | Acinus, Focal Cellular Change | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + +| Incisor, Upper, Dysplasia | 1 2 1 1 1 3 1 2 1 1 3 3 1 2 1 2 1 1 1 2| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 0| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 4| 9| 4| 4| 4| 5| 5| 5| 0| 5| 6| 0| 6| 9| 8| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Hypertrophy | 2 2 3 1 1 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + M + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + A + + + + + + + + + +| Follicle, Cyst Multilocular | | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + | Inflammation, Chronic Active | | Duct, Dilatation | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + | Angiectasis | 3 3 2 3 1 2 3 2 2 2 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + A + + + + + + + + + +| Angiectasis, Focal | | Hematopoietic Cell Proliferation | 2 | __________________________________________________________________________| Thymus | + M + + + + + + M + + + + + M + + + + + M + M + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 8| 3| 0| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 4| 9| 4| 4| 4| 5| 5| 5| 0| 5| 6| 0| 6| 9| 8| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Femur, Fibrosis, Focal | | Tarsal, Hyperostosis | X X X X X X X X X X X | __________________________________________________________________________| Skeletal Muscle | + | Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 2 | Meninges, Infiltration Cellular, | | Lymphocyte | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Metaplasia, Focal, Squamous | | Alveolar Epithelium, Hyperplasia | 2 2 1 2 2 2 3 3| Alveolus, Infiltration Cellular, | | Histiocyte | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Degeneration | 3 | Cornea, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Harderian Gland | + + + + | Hyperplasia | 1 | Inflammation, Suppurative | 4 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hydronephrosis | | Infiltration Cellular, Lymphocyte | | Metaplasia, Osseous | | Nephropathy, Chronic | 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 2 2 1| Artery, Inflammation, Chronic Active | 3 | Pelvis, Inflammation, Suppurative | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + M + + + + + + + + + +| Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 7| | DAY ON TEST | 8| 4| 4| 7| 4| 4| 7| 4| 4| 6| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 3| 1| 1| 3| 1| 1| 8| 2| 2| 7| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 0| 1| 4| 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 | B6C3F1 MICE 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 | __________________________________________________________________________|____________| Gallbladder | A + + + + + + + + + I + + + + + + + + + + M + + +| 46 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute, Necrotizing | 3 3 | 2 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 4 2.0| Clear Cell Focus | 2 X X| 7 3.0| Cyst | X | 1 | Eosinophilic Focus | 2 | 3 2.0| Fatty Change | 1| 5 1.2| Hematopoietic Cell Proliferation | 2 2 | 2 2.0| Infarct, Multifocal | 4 3 | 4 3.3| Mixed Cell Focus | 3 2 | 3 2.5| Necrosis | 2 | 2 2.0| Regeneration, Diffuse | 3 | 1 3.0| Bile Duct, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Mesentery | + | 3 | Inflammation, Suppurative | 1 | 1 1.0| Artery, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 3 1 | 4 2.0| Acinus, Focal Cellular Change | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute, Necrotizing | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + +| 36 | __________________________________________________________________________________________________________________________________ * : 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: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 7| | DAY ON TEST | 8| 4| 4| 7| 4| 4| 7| 4| 4| 6| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 3| 1| 1| 3| 1| 1| 8| 2| 2| 7| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 0| 1| 4| 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 | B6C3F1 MICE 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 | | | | | | Incisor, Upper, Dysplasia | 1 2 3 2 1 1 1 1 2 2 1 1 1 1 1 2| 36 1.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 2| 4 2.0| Hypertrophy | 2 1 1 2 1 4 1 2 2 3 2 | 17 1.9| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 1 2 | 5 1.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + I + I + + + + I + M + + + + + + + + + +| 45 | Pars Distalis, Hyperplasia | 1 1 | 2 1.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Follicle, Cyst Multilocular | X | 1 | Follicular Cell, Hyperplasia | 4 1 | 2 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + | 5 | Inflammation, Chronic Active | 3 | 1 3.0| Duct, Dilatation | 2 3 3 | 4 2.8| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + | 9 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + | 22 | __________________________________________________________________________________________________________________________________ * : 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 55 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 7| | DAY ON TEST | 8| 4| 4| 7| 4| 4| 7| 4| 4| 6| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 3| 1| 1| 3| 1| 1| 8| 2| 2| 7| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 0| 1| 4| 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 | B6C3F1 MICE 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 | | | | | | Angiectasis | 2 4 3 3 2 | 15 2.5| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis, Focal | 2 | 1 2.0| Hematopoietic Cell Proliferation | 3 3 3 | 4 2.8| __________________________________________________________________________|____________| Thymus | M + + I + + + + M I M + + + + M + + + + + + M M +| 37 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 1 | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femur, Fibrosis, Focal | 2 | 1 2.0| Tarsal, Hyperostosis | X X X X X X X X X X X X X X X X X | 28 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Artery, Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | | 1 2.0| Meninges, Infiltration Cellular, | | | Lymphocyte | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 1 | 2 2.0| Metaplasia, Focal, Squamous | 4 | 1 4.0| Alveolar Epithelium, Hyperplasia | 4 2 2| 11 2.3| Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Degeneration | | 1 3.0| Cornea, Inflammation, Chronic Active | | 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 56 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 7| | DAY ON TEST | 8| 4| 4| 7| 4| 4| 7| 4| 4| 6| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 3| 1| 1| 3| 1| 1| 8| 2| 2| 7| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 0| 1| 4| 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 | B6C3F1 MICE 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 | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + + + + | 9 | Hyperplasia | 3 2 | 3 2.0| Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Hydronephrosis | 4 | 1 4.0| Infiltration Cellular, Lymphocyte | 3 | 1 3.0| Metaplasia, Osseous | 2 | 1 2.0| Nephropathy, Chronic | 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 36 1.1| Artery, Inflammation, Chronic Active | | 1 3.0| Pelvis, Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 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 57 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 4| 3| 2| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 5| 6| 5| 0| 5| 5| 6| 6| 6| 6| 7| 6| 7| 7| 3| 7| 8| 8| 3| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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 | + + + + + | __________________________________________________________________________| Gallbladder | A + M + M | __________________________________________________________________________| Intestine Large | A + + + + | __________________________________________________________________________| Intestine Large, Cecum | A + + + + | __________________________________________________________________________| Intestine Large, Colon | A + + + + | Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | A + + + + | __________________________________________________________________________| Intestine Small | A + + + + | __________________________________________________________________________| Intestine Small, Duodenum | A + + + + | __________________________________________________________________________| Intestine Small, Ileum | A + + + + | __________________________________________________________________________| Intestine Small, Jejunum | A + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | 2 | Clear Cell Focus | X X | Degeneration, Cystic | 2 2| Eosinophilic Focus | 2 | Fatty Change | 2 1 | Infarct, Multifocal | 4 4 4 2 3 | Mixed Cell Focus | | Centrilobular, Cytomegaly | 1 1 2 1 1 1 1 2| __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | A + + + + | Acinus, Atrophy | 1 | Acinus, Focal Cellular Change | | __________________________________________________________________________| Salivary Glands | + M + + + | __________________________________________________________________________| Stomach | + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + | __________________________________________________________________________| Stomach, Glandular | + + + + + | Mineralization | 1 | __________________________________________________________________________| Tooth | + | Incisor, Upper, Dysplasia | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + | Hyperplasia | | Hypertrophy | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + | __________________________________________________________________________| Islets, Pancreatic | A + + + + | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 4| 3| 2| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 5| 6| 5| 0| 5| 5| 6| 6| 6| 6| 7| 6| 7| 7| 3| 7| 8| 8| 3| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Parathyroid Gland | + + + + + | __________________________________________________________________________| Pituitary Gland | + + + M + | __________________________________________________________________________| Thyroid Gland | + + + + + | Follicle, Cyst Multilocular | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + | __________________________________________________________________________| Preputial Gland | + | Inflammation, Chronic Active | 3 | Duct, Dilatation | | __________________________________________________________________________| Prostate | + + + + + | __________________________________________________________________________| Seminal Vesicle | + | __________________________________________________________________________| Testes | + + + + + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + +| Mandibular, Edema | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + +| Angiectasis | 3 2 2 3 3 1| Edema | 1 | __________________________________________________________________________| Spleen | + + + + + + + + | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | A M + + M | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | A | __________________________________________________________________________| Skin | + A + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + | Tarsal, Hyperostosis | X X X X X X X X | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 4| 3| 2| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 5| 6| 5| 0| 5| 5| 6| 6| 6| 6| 7| 6| 7| 7| 3| 7| 8| 8| 3| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Trachea | + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + | Degeneration | 4 | Cornea, Inflammation, Chronic Active | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + | Nephropathy, Chronic | 3 4 | __________________________________________________________________________| Urinary Bladder | + + + + + | _____________________________________________________________________________________________________________________| Page 60 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 7| 9| 4| 7| 4| 4| 4| 9| 4| 4| 4| 4| 4| 3| 4| 4| 4| 5| 4| 4| 0| 4| 3| 4| 4| | | 6| 1| 1| 5| 1| 1| 1| 6| 2| 2| 2| 2| 2| 3| 3| 3| 3| 2| 3| 4| 5| 4| 6| 4| 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 | B6C3F1 MICE 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 | + + + + + + + + + | 14 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + | 11 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + | 13 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + | 13 | __________________________________________________________________________|____________| Intestine Small | + + A + + + + + + | 12 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + + + + + | 12 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + A + + + + + M | 11 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + + + + + + | 12 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Basophilic Focus | X X | 3 2.0| Clear Cell Focus | X 2 3 X 2 | 7 2.3| Degeneration, Cystic | 1 | 3 1.7| Eosinophilic Focus | 3 | 2 2.5| Fatty Change | | 2 1.5| Infarct, Multifocal | 3 2 2 | 8 3.0| Mixed Cell Focus | 1 | 1 1.0| Centrilobular, Cytomegaly | 1 2 2 2 1 1 1 1 | 16 1.3| __________________________________________________________________________|____________| Mesentery | + | 2 | Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + | 13 | Acinus, Atrophy | | 1 1.0| Acinus, Focal Cellular Change | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + | 13 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 16 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 16 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 15 | Mineralization | | 1 1.0| __________________________________________________________________________|____________| Tooth | | 1 | Incisor, Upper, Dysplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + | 14 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + | 14 | __________________________________________________________________________________________________________________________________ * : 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: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 7| 9| 4| 7| 4| 4| 4| 9| 4| 4| 4| 4| 4| 3| 4| 4| 4| 5| 4| 4| 0| 4| 3| 4| 4| | | 6| 1| 1| 5| 1| 1| 1| 6| 2| 2| 2| 2| 2| 3| 3| 3| 3| 2| 3| 4| 5| 4| 6| 4| 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 | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + | 14 | Hyperplasia | 2 | 1 2.0| Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + | 14 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + | 13 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + | 13 | __________________________________________________________________________|____________| Pituitary Gland | M + A + + + + + + | 11 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + | 14 | Follicle, Cyst Multilocular | X | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + | 14 | __________________________________________________________________________|____________| Preputial Gland | + | 2 | Inflammation, Chronic Active | | 1 3.0| Duct, Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + | 14 | __________________________________________________________________________|____________| Seminal Vesicle | | 1 | __________________________________________________________________________|____________| Testes | + + + + + + + + + | 14 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + | 14 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + +| 30 | Mandibular, Edema | 3| 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + | 22 | Angiectasis | 3 1 2 2 1 1 | 12 2.0| Edema | 1 | 2 1.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + | 21 | Hematopoietic Cell Proliferation | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | M + I + + + M + + | 8 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 15 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + | 30 | __________________________________________________________________________________________________________________________________ * : 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: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 7| 7| 7| 6| 7| 7| 7| 6| 7| 6| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 7| 9| 4| 7| 4| 4| 4| 9| 4| 4| 4| 4| 4| 3| 4| 4| 4| 5| 4| 4| 0| 4| 3| 4| 4| | | 6| 1| 1| 5| 1| 1| 1| 6| 2| 2| 2| 2| 2| 3| 3| 3| 3| 2| 3| 4| 5| 4| 6| 4| 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 | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | Tarsal, Hyperostosis | X X X X X X X X | 16 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + | 14 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + | 19 | Alveolar Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + | 14 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + | 14 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Eye | + +| 3 | Degeneration | | 1 4.0| Cornea, Inflammation, Chronic Active | 3| 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + | 16 | Nephropathy, Chronic | 2 1 | 4 2.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + M | 13 | __________________________________________________________________________________________________________________________________ * : 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 63 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 5| 7| 7| 7| 5| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 1| 3| 3| 3| 8| 8| 3| 4| 3| 3| 3| 7| 3| 3| 0| 3| 0| 3| | 4| 5| 4| 4| 4| 5| 5| 3| 5| 5| 6| 6| 4| 6| 6| 6| 6| 7| 4| 7| 7| 6| 7| 5| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 30 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 | + + + + + + + + | __________________________________________________________________________| Gallbladder | M + + + M + + + | Inflammation, Suppurative | 1 | __________________________________________________________________________| Intestine Large | + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | A + + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | A + + + + A + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + | Inflammation, Acute, Necrotizing | 4 | Inflammation, Chronic Active | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X 3 X| Clear Cell Focus | X| Cyst | | Degeneration, Cystic | 1 1 | Fatty Change | 1 1 1 3 1 1 | Hematopoietic Cell Proliferation | 2 | Hepatodiaphragmatic Nodule | X | Infarct, Multifocal | 4 3 3 | Inflammation, Chronic | | Mineralization | 2 | Mixed Cell Focus | | Centrilobular, Congestion, Chronic | | Centrilobular, Cytomegaly | 1 1 1 2 1| __________________________________________________________________________| Mesentery | + + | Artery, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Pancreas | A + + + + + + + | Acinus, Atrophy | | __________________________________________________________________________| Salivary Glands | + + + + + + + + | __________________________________________________________________________| Stomach | A + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | A + + + + + + + | Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | A + + + + + + + | __________________________________________________________________________| Tooth | + + + + | Incisor, Upper, Dysplasia | 2 1 2 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + | Cardiomyopathy, Chronic Active | | Atrium, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 64 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 5| 7| 7| 7| 5| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 1| 3| 3| 3| 8| 8| 3| 4| 3| 3| 3| 7| 3| 3| 0| 3| 0| 3| | 4| 5| 4| 4| 4| 5| 5| 3| 5| 5| 6| 6| 4| 6| 6| 6| 6| 7| 4| 7| 7| 6| 7| 5| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 30 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 | A + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | A + + + + + + + | Hyperplasia | 2 | Hypertrophy | 1 | Necrosis | 4 | __________________________________________________________________________| Adrenal Gland, Medulla | A + + + + + + + | Necrosis | 4 | __________________________________________________________________________| Islets, Pancreatic | A + + + + + + + | __________________________________________________________________________| Parathyroid Gland | A + + + + + + + | __________________________________________________________________________| Pituitary Gland | M I + I M M M I | __________________________________________________________________________| Thyroid Gland | A + + + + + + + | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + | __________________________________________________________________________| Preputial Gland | + | Inflammation, Chronic Active | | Duct, Dilatation | 1 | __________________________________________________________________________| Prostate | + + + + + + + + | __________________________________________________________________________| Seminal Vesicle | +| __________________________________________________________________________| Testes | + + + + + + + + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | A + + + + + + + | __________________________________________________________________________| Lymph Node | A + + + + + + + + + + + + + + + + +| Mandibular, Angiectasis | | Mandibular, Edema | | Mandibular, Hyperplasia, Lymphoid | 1 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + +| Angiectasis | 2 2 1 2 3 2 2 3| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Spleen | A + + + + + + + + + + + | Hematopoietic Cell Proliferation | 3 | __________________________________________________________________________| Thymus | M + M + + + + + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + | Cyst Epithelial Inclusion | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 65 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 5| 7| 7| 7| 5| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 1| 3| 3| 3| 8| 8| 3| 4| 3| 3| 3| 7| 3| 3| 0| 3| 0| 3| | 4| 5| 4| 4| 4| 5| 5| 3| 5| 5| 6| 6| 4| 6| 6| 6| 6| 7| 4| 7| 7| 6| 7| 5| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 30 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X| Tarsal, Inflammation, Chronic Active | | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + | Compression | X | Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Nose | + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | A + + + + + + + + | Nephropathy, Chronic | 2 1 1 1 2 | Artery, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + | _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 4| 4| | | 4| 8| 8| 1| 1| 1| 1| 2| 2| 2| 2| 3| 2| 3| 3| 3| 4| 8| 4| 4| 4| 9| 4| 4| 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 | B6C3F1 MICE 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 | 30 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 | + + + + | 12 | __________________________________________________________________________|____________| Gallbladder | + + M A | 8 | Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Intestine Large | + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + A + | 11 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + | 12 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + | 11 | __________________________________________________________________________|____________| Intestine Small | + + + + + A + | 18 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A A | 9 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + A + | 13 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + A + | 17 | Inflammation, Acute, Necrotizing | | 1 4.0| Inflammation, Chronic Active | 4 | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X | 5 3.0| Clear Cell Focus | X | 2 | Cyst | X | 1 | Degeneration, Cystic | | 2 1.0| Fatty Change | 1 | 7 1.3| Hematopoietic Cell Proliferation | | 1 2.0| Hepatodiaphragmatic Nodule | | 1 | Infarct, Multifocal | 2 2 | 5 2.8| Inflammation, Chronic | 4 | 1 4.0| Mineralization | | 1 2.0| Mixed Cell Focus | 3 | 1 3.0| Centrilobular, Congestion, Chronic | 4 | 1 4.0| Centrilobular, Cytomegaly | | 5 1.2| __________________________________________________________________________|____________| Mesentery | | 2 | Artery, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + A + | 11 | Acinus, Atrophy | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + | 12 | __________________________________________________________________________|____________| Stomach | + + + + A + | 12 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + A | 11 | Epithelium, Hyperplasia | 3 3 | 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + A | 9 | __________________________________________________________________________|____________| Tooth | + | 5 | Incisor, Upper, Dysplasia | 1 | 5 1.4| _____________________________________________________________________________________________________________________| | 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 67 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 4| 4| | | 4| 8| 8| 1| 1| 1| 1| 2| 2| 2| 2| 3| 2| 3| 3| 3| 4| 8| 4| 4| 4| 9| 4| 4| 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 | B6C3F1 MICE 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 | 30 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 | | | | | | | | | __________________________________________________________________________|____________| Heart | + + + + | 12 | Cardiomyopathy, Chronic Active | 2 | 1 2.0| Atrium, Thrombosis | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + | 11 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + | 11 | Hyperplasia | | 1 2.0| Hypertrophy | 1 | 2 1.0| Necrosis | | 1 4.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + | 11 | Necrosis | | 1 4.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + A + | 10 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + | 11 | __________________________________________________________________________|____________| Pituitary Gland | + + I + | 4 | __________________________________________________________________________|____________| Thyroid Gland | + + + + | 11 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + | 12 | __________________________________________________________________________|____________| Preputial Gland | + + + | 4 | Inflammation, Chronic Active | 2 | 1 2.0| Duct, Dilatation | 2 3 3 | 4 2.3| __________________________________________________________________________|____________| Prostate | + + + + | 12 | __________________________________________________________________________|____________| Seminal Vesicle | | 1 | __________________________________________________________________________|____________| Testes | + + + + | 12 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + | 11 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + +| 32 | Mandibular, Angiectasis | 4 | 1 4.0| Mandibular, Edema | 2 | 1 2.0| Mandibular, Hyperplasia, Lymphoid | 2 | 2 1.5| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + +| 20 | Angiectasis | 3 4 1 2 2 2 3| 15 2.3| Hyperplasia, Lymphoid | | 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 68 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 4| 4| | | 4| 8| 8| 1| 1| 1| 1| 2| 2| 2| 2| 3| 2| 3| 3| 3| 4| 8| 4| 4| 4| 9| 4| 4| 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 | B6C3F1 MICE 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 | 30 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 | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + A + + | 18 | Hematopoietic Cell Proliferation | 2 3 | 3 2.7| __________________________________________________________________________|____________| Thymus | M M + M | 7 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + | 13 | Cyst Epithelial Inclusion | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + | 40 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X X | 31 | Tarsal, Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + | 12 | Compression | | 1 | Artery, Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + +| 19 | Inflammation, Chronic Active | 4 3 | 3 3.0| __________________________________________________________________________|____________| Nose | + + + + | 12 | __________________________________________________________________________|____________| Trachea | + + + + | 12 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + | 12 | Nephropathy, Chronic | 2 | 6 1.5| Artery, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + | 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 69 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 8| 2| 3| 3| 3| 1| | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 6| 2| 6| 6| 6| 8| 7| 7| 7| 5| 9| 7| 8| 8| 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| B6C3F1 MICE 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| 100 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 | + + + + + +| __________________________________________________________________________| Gallbladder | + + A + + +| __________________________________________________________________________| Intestine Large | + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + +| __________________________________________________________________________| Intestine Small | + + A + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + A + + +| __________________________________________________________________________| Intestine Small, Ileum | + + A + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + A + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | X X 2 | Degeneration, Cystic | 1 3 2 1 | Eosinophilic Focus | | Fibrosis, Focal | 3 | Hepatodiaphragmatic Nodule | | Infarct, Multifocal | 2 4 4 2 2| Mixed Cell Focus | 2 | Centrilobular, Cytomegaly | 2 2 1 2 3 2 2 1 1 2 1 1 1 2 1 3 1| __________________________________________________________________________| Pancreas | + + A + + +| Acinus, Atrophy | | Artery, Inflammation, Chronic Active | 2 | Duct, Dilatation | | __________________________________________________________________________| Salivary Glands | + + + + + +| __________________________________________________________________________| Stomach | + + + + + A + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + A + + + +| Diverticulum | | Hyperplasia, Squamous | 2 2 2 | Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + A + + + +| __________________________________________________________________________| Tooth | | Incisor, Upper, Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + A + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + A + + +| Hypertrophy | 2 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + A + + +| __________________________________________________________________________| Islets, Pancreatic | + + A + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + +| _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 8| 2| 3| 3| 3| 1| | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 6| 2| 6| 6| 6| 8| 7| 7| 7| 5| 9| 7| 8| 8| 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| B6C3F1 MICE 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| 100 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 | | | | __________________________________________________________________________| Pituitary Gland | + + + + + +| __________________________________________________________________________| Thyroid Gland | + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + +| __________________________________________________________________________| Preputial Gland | | Duct, Dilatation | | __________________________________________________________________________| Prostate | + + + + + +| __________________________________________________________________________| Testes | + + + + + +| Degeneration | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + +| Deep Cervical, Edema | 3 | Mandibular, Angiectasis | 3 | Mandibular, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + | Angiectasis | 2 3 3 2 1 2 | Edema | | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Spleen | + + + + A + + + +| Hematopoietic Cell Proliferation | 2 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | + M M + + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X X X X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + +| Hemorrhage | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + +| Inflammation, Chronic Active | | Alveolar Epithelium, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| Page 71 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 5| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 8| 2| 3| 3| 3| 1| | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 6| 2| 6| 6| 6| 8| 7| 7| 7| 5| 9| 7| 8| 8| 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| B6C3F1 MICE 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| 100 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Nose | + + + + + +| __________________________________________________________________________| Trachea | + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Harderian Gland | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + A + + +| Nephropathy, Chronic | 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + +| _____________________________________________________________________________________________________________________| Page 72 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 0| 4| 4| 4| 4| 4| 4| 6| 4| 4| 4| 6| 4| 4| 7| 3| 4| 8| 4| 4| 4| 4| | | 8| 8| 3| 4| 1| 1| 1| 1| 2| 2| 0| 2| 2| 3| 0| 3| 3| 4| 2| 3| 8| 4| 4| 4| 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 | B6C3F1 MICE 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 | 100 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 | + + + + + + + | 13 | __________________________________________________________________________|____________| Gallbladder | A + + + + + + | 11 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + | 12 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large, Rectum | A + + + + + + | 12 | __________________________________________________________________________|____________| Intestine Small | A + + + A + + +| 11 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + A + + | 10 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + A + + +| 11 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + A + + | 10 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Clear Cell Focus | | 3 2.0| Degeneration, Cystic | 1 1 2 1 2 | 9 1.6| Eosinophilic Focus | 3 2 3 | 3 2.7| Fibrosis, Focal | | 1 3.0| Hepatodiaphragmatic Nodule | X | 1 | Infarct, Multifocal | 2 3 1 2 3 3 | 11 2.5| Mixed Cell Focus | 3 | 2 2.5| Centrilobular, Cytomegaly | 2 2 1 2 1 2 2 2 1 2 2 2 3 2 2 2 | 33 1.8| __________________________________________________________________________|____________| Pancreas | + + + + + + + + | 13 | Acinus, Atrophy | 4 | 1 4.0| Artery, Inflammation, Chronic Active | | 1 2.0| Duct, Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + | 13 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + | 18 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + | 18 | Diverticulum | 2 | 1 2.0| Hyperplasia, Squamous | 2 | 4 2.0| Epithelium, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + | 16 | __________________________________________________________________________|____________| Tooth | + | 1 | Incisor, Upper, Dysplasia | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + | 13 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + | 12 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + | 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 73 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 0| 4| 4| 4| 4| 4| 4| 6| 4| 4| 4| 6| 4| 4| 7| 3| 4| 8| 4| 4| 4| 4| | | 8| 8| 3| 4| 1| 1| 1| 1| 2| 2| 0| 2| 2| 3| 0| 3| 3| 4| 2| 3| 8| 4| 4| 4| 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 | B6C3F1 MICE 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 | 100 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 | | | | | | Hypertrophy | 3 2 | 4 2.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + M + + + | 11 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + | 12 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + | 13 | __________________________________________________________________________|____________| Pituitary Gland | + + + M I I + | 10 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + | 13 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + | 13 | __________________________________________________________________________|____________| Preputial Gland | + + | 2 | Duct, Dilatation | 3 4 | 2 3.5| __________________________________________________________________________|____________| Prostate | + + + + + + + | 13 | __________________________________________________________________________|____________| Testes | + + + + + + + | 13 | Degeneration | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + | 13 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + +| 27 | Deep Cervical, Edema | | 1 3.0| Mandibular, Angiectasis | | 1 3.0| Mandibular, Hyperplasia, Lymphoid | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + +| 16 | Angiectasis | 1 3 2 2 2 | 11 2.1| Edema | 3 | 1 3.0| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + +| 20 | Hematopoietic Cell Proliferation | 2 3 | 3 2.3| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Thymus | M M M + + + + | 7 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + | 14 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + +| 30 | __________________________________________________________________________________________________________________________________ * : 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 74 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 0| 4| 4| 4| 4| 4| 4| 6| 4| 4| 4| 6| 4| 4| 7| 3| 4| 8| 4| 4| 4| 4| | | 8| 8| 3| 4| 1| 1| 1| 1| 2| 2| 0| 2| 2| 3| 0| 3| 3| 4| 2| 3| 8| 4| 4| 4| 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 | B6C3F1 MICE 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 | 100 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | Tarsal, Hyperostosis | X X X X X X X X| 19 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + | 13 | Hemorrhage | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + | 21 | Inflammation, Chronic Active | 2 1 2 | 3 1.7| Alveolar Epithelium, Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + | 13 | __________________________________________________________________________|____________| Trachea | + + + + + + + | 13 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 2 | Degeneration | 3 3 | 2 3.0| __________________________________________________________________________|____________| Harderian Gland | + + | 2 | Inflammation, Suppurative | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + | 13 | Nephropathy, Chronic | 1 | 4 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + | 13 | __________________________________________________________________________________________________________________________________ * : 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 75 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 2| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| DAY ON TEST | 2| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 3| 3| 4| 3| 3| 3| 3| 1| 2| 3| 3| 3| 8| | 3| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 0| 6| 6| 3| 6| 7| 7| 7| 3| 0| 7| 8| 5| 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| B6C3F1 MICE 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| 100 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 | + + + + + + + +| __________________________________________________________________________| Gallbladder | + M I + A M + M| __________________________________________________________________________| Intestine Large | + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | M + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small | + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + +| Hyperplasia, Atypical | 4 | Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Intestine Small, Ileum | M A + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + +| Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X X X | Cyst | X | Degeneration, Cystic | 1 3 2 2 1 | Eosinophilic Focus | 3 | Fatty Change | 2 1 1 | Infarct, Multifocal | 3 1 3 4| Bile Duct, Hyperplasia | 2 | Centrilobular, Cytomegaly | 1 3 1 1 2 3 3 3 3 2 2 | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | 3 3 | __________________________________________________________________________| Pancreas | + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + +| __________________________________________________________________________| Tongue | + | __________________________________________________________________________| Tooth | | Incisor, Upper, Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + +| _____________________________________________________________________________________________________________________| Page 76 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 2| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| DAY ON TEST | 2| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 3| 3| 4| 3| 3| 3| 3| 1| 2| 3| 3| 3| 8| | 3| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 0| 6| 6| 3| 6| 7| 7| 7| 3| 0| 7| 8| 5| 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| B6C3F1 MICE 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| 100 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 | | | | Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + I + + +| __________________________________________________________________________| Thyroid Gland | + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + +| __________________________________________________________________________| Preputial Gland | + | Inflammation, Chronic Active | 3 | Duct, Dilatation | | __________________________________________________________________________| Prostate | + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | | __________________________________________________________________________| Testes | + + + + + + + +| Degeneration | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + +| __________________________________________________________________________| Lymph Node | M + + + + + + + + + + + + + +| Mandibular, Angiectasis | 2 | Mandibular, Edema | 2 1 | Mandibular, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + | Angiectasis | 2 2 2 2 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Spleen | + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 | __________________________________________________________________________| Thymus | M + I + + M + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + +| Subcutaneous Tissue, Fibrosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X X X| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + +| Hemorrhage | | Hydrocephalus | 3 | _____________________________________________________________________________________________________________________| Page 77 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 2| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| DAY ON TEST | 2| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 8| 3| 3| 4| 3| 3| 3| 3| 1| 2| 3| 3| 3| 8| | 3| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 0| 6| 6| 3| 6| 7| 7| 7| 3| 0| 7| 8| 5| 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| B6C3F1 MICE 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| 100 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| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Necrosis | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + +| Nephropathy, Chronic | 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + +| Inflammation, Chronic Active | 1 3 | _____________________________________________________________________________________________________________________| Page 78 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 3| 3| 4| 6| 2| 4| 4| 7| 4| 6| 4| 4| 4| 4| 4| 4| 9| 4| 4| 4| 3| 6| 6| 4| | | 8| 8| 8| 1| 6| 3| 9| 1| 3| 1| 0| 1| 2| 2| 2| 2| 3| 7| 3| 3| 3| 2| 0| 4| 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 | B6C3F1 MICE 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 | 100 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 | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Gallbladder | + + + + + M + + M | 10 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + M + + + | 15 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + | 15 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + + + + | 15 | Hyperplasia, Atypical | | 1 4.0| Inflammation, Acute, Necrotizing | 1 | 1 1.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + | 14 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + | 16 | Inflammation, Acute, Necrotizing | 1 | 1 1.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | 2 | 1 2.0| Clear Cell Focus | X | 4 | Cyst | | 1 | Degeneration, Cystic | 2 2 | 7 1.9| Eosinophilic Focus | X 2 | 3 2.5| Fatty Change | 1 | 4 1.3| Infarct, Multifocal | 3 2 3 | 7 2.7| Bile Duct, Hyperplasia | | 1 2.0| Centrilobular, Cytomegaly | 1 1 3 2 2 2 1 3 1| 20 2.0| __________________________________________________________________________|____________| Mesentery | + | 3 | Inflammation, Suppurative | | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 19 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + | 15 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + | 13 | __________________________________________________________________________|____________| Tongue | | 1 | __________________________________________________________________________|____________| Tooth | + + | 2 | Incisor, Upper, Dysplasia | 2 4 | 2 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + | 17 | _____________________________________________________________________________________________________________________| | 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 79 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 3| 3| 4| 6| 2| 4| 4| 7| 4| 6| 4| 4| 4| 4| 4| 4| 9| 4| 4| 4| 3| 6| 6| 4| | | 8| 8| 8| 1| 6| 3| 9| 1| 3| 1| 0| 1| 2| 2| 2| 2| 3| 7| 3| 3| 3| 2| 0| 4| 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 | B6C3F1 MICE 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 | 100 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 | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + | 17 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + | 17 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Pituitary Gland | M + + + + + + + M | 14 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + | 17 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Preputial Gland | + + | 3 | Inflammation, Chronic Active | 1 | 2 2.0| Duct, Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Seminal Vesicle | + + | 2 | __________________________________________________________________________|____________| Testes | + + + + + + + + + | 17 | Degeneration | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + | 18 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + +| 31 | Mandibular, Angiectasis | | 1 2.0| Mandibular, Edema | | 2 1.5| Mandibular, Hyperplasia, Lymphoid | 2 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + +| 20 | Angiectasis | 3 3 2 2 2 | 9 2.2| Hyperplasia, Lymphoid | 3 2 | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + +| 25 | Hematopoietic Cell Proliferation | 4 2 | 4 2.5| __________________________________________________________________________|____________| Thymus | + + M M + + + M + | 10 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 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 80 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 3| 3| 4| 6| 2| 4| 4| 7| 4| 6| 4| 4| 4| 4| 4| 4| 9| 4| 4| 4| 3| 6| 6| 4| | | 8| 8| 8| 1| 6| 3| 9| 1| 3| 1| 0| 1| 2| 2| 2| 2| 3| 7| 3| 3| 3| 2| 0| 4| 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 | B6C3F1 MICE 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 | 100 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Subcutaneous Tissue, Fibrosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + +| 37 | Tarsal, Hyperostosis | X X X X X X X X X X X X X| 22 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + | 18 | Hemorrhage | 3 | 1 3.0| Hydrocephalus | | 1 3.0| Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + | 20 | Alveolar Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + | 17 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + | 17 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 18 | Nephropathy, Chronic | 1 1 1 1 3 2 | 9 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + | 18 | Inflammation, Chronic Active | | 2 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 81 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 7| 4| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 9| 3| 3| 3| 2| 8| 3| 3| | 4| 4| 4| 4| 2| 5| 5| 5| 9| 5| 6| 6| 2| 6| 6| 7| 7| 0| 7| 7| 8| 9| 9| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 100 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 | + + + + + | __________________________________________________________________________| Gallbladder | + M A M + | __________________________________________________________________________| Intestine Large | + + + A + + | __________________________________________________________________________| Intestine Large, Cecum | + + A + + | __________________________________________________________________________| Intestine Large, Colon | + + A + + | __________________________________________________________________________| Intestine Large, Rectum | + + + A + + | Prolapse | X | __________________________________________________________________________| Intestine Small | + + + A + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + A A + | Inflammation, Chronic Active | | __________________________________________________________________________| Intestine Small, Ileum | + + A + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 2 X X 2 X | Clear Cell Focus | 2 X X | Clear Cell Focus, Multiple | | Cyst | X | Degeneration, Cystic | 2 2 2 1 | Eosinophilic Focus | X X | Fatty Change | 2 | Infarct, Multifocal | 4 3| Mixed Cell Focus | X | Necrosis, Multifocal | 2 | Centrilobular, Cytomegaly | 1 3 2 2 1 2 2 2 2 1 1 | __________________________________________________________________________| Pancreas | + + A + + | __________________________________________________________________________| Salivary Glands | + + A + + | __________________________________________________________________________| Stomach | + + A + + + | __________________________________________________________________________| Stomach, Forestomach | + + A + + + | Hyperplasia, Squamous | 3 | __________________________________________________________________________| Stomach, Glandular | + + A + + + | __________________________________________________________________________| Tooth | | Incisor, Upper, Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + | Bacterium | X | Cardiomyopathy, Chronic Active | 2 | Valve, Inflammation, Suppurative | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + A + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + A + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + A + + | __________________________________________________________________________| Islets, Pancreatic | + + A + + | _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 7| 4| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 9| 3| 3| 3| 2| 8| 3| 3| | 4| 4| 4| 4| 2| 5| 5| 5| 9| 5| 6| 6| 2| 6| 6| 7| 7| 0| 7| 7| 8| 9| 9| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 100 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 | | | | __________________________________________________________________________| Parathyroid Gland | M M + + + | __________________________________________________________________________| Pituitary Gland | + M A + + | __________________________________________________________________________| Thyroid Gland | + + + + + | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + A + + | __________________________________________________________________________| Preputial Gland | + + + + | Inflammation, Chronic Active | 2 | Duct, Dilatation | 2 3 1 | __________________________________________________________________________| Prostate | + + A + + | Inflammation, Suppurative | | __________________________________________________________________________| Seminal Vesicle | + | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Testes | + + A + + | Inflammation, Acute, Necrotizing | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + A + + | __________________________________________________________________________| Lymph Node | + M + + + A + + + + + +| Lumbar, Edema | | Renal, Edema | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + +| Angiectasis | 2 2 | __________________________________________________________________________| Spleen | + + + + + A + + + + + | Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | 3 3 | __________________________________________________________________________| Thymus | + + A M + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + | Inflammation, Acute | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X X X X| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 83 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 7| 4| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 9| 3| 3| 3| 2| 8| 3| 3| | 4| 4| 4| 4| 2| 5| 5| 5| 9| 5| 6| 6| 2| 6| 6| 7| 7| 0| 7| 7| 8| 9| 9| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 100 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + | __________________________________________________________________________| Trachea | + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Degeneration | 2 | __________________________________________________________________________| Harderian Gland | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + A + + | Nephropathy, Chronic | | Pelvis, Inflammation, Suppurative | | Renal Tubule, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + A + + | Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| Page 84 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 4| 3| 7| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 9| | | 8| 1| 1| 3| 8| 1| 3| 1| 2| 2| 2| 2| 3| 3| 2| 3| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 | B6C3F1 MICE 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 | 100 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 | + + + + +| 10 | __________________________________________________________________________|____________| Gallbladder | M A + + +| 5 | __________________________________________________________________________|____________| Intestine Large | + A + + +| 9 | __________________________________________________________________________|____________| Intestine Large, Cecum | + A + +| 7 | __________________________________________________________________________|____________| Intestine Large, Colon | + A + +| 7 | __________________________________________________________________________|____________| Intestine Large, Rectum | + A + +| 8 | Prolapse | | 1 | __________________________________________________________________________|____________| Intestine Small | + A + + + +| 11 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + A + + +| 7 | Inflammation, Chronic Active | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + A M +| 6 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + A A +| 8 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X | 6 2.0| Clear Cell Focus | X X | 5 2.0| Clear Cell Focus, Multiple | 3 | 1 3.0| Cyst | X | 2 | Degeneration, Cystic | 2 2 2 1 1 | 9 1.7| Eosinophilic Focus | 1 2 3 | 5 2.0| Fatty Change | 1 | 2 1.5| Infarct, Multifocal | 4 4 2 3| 6 3.3| Mixed Cell Focus | | 1 | Necrosis, Multifocal | | 1 2.0| Centrilobular, Cytomegaly | 2 2 2 3 1 2 2 3 | 19 1.9| __________________________________________________________________________|____________| Pancreas | + A + + +| 8 | __________________________________________________________________________|____________| Salivary Glands | + + + + +| 9 | __________________________________________________________________________|____________| Stomach | + + + + +| 10 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + +| 9 | Hyperplasia, Squamous | | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + +| 9 | __________________________________________________________________________|____________| Tooth | + + | 2 | Incisor, Upper, Dysplasia | 1 2 | 2 1.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + +| 10 | Bacterium | | 1 | Cardiomyopathy, Chronic Active | | 1 2.0| Valve, Inflammation, Suppurative | | 1 3.0| _____________________________________________________________________________________________________________________| | 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 85 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 4| 3| 7| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 9| | | 8| 1| 1| 3| 8| 1| 3| 1| 2| 2| 2| 2| 3| 3| 2| 3| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 | B6C3F1 MICE 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 | 100 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 | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + +| 9 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + +| 9 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + +| 9 | __________________________________________________________________________|____________| Islets, Pancreatic | + A + + +| 8 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + +| 8 | __________________________________________________________________________|____________| Pituitary Gland | + + + + M| 7 | __________________________________________________________________________|____________| Thyroid Gland | + A + + +| 9 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + +| 9 | __________________________________________________________________________|____________| Preputial Gland | + + + +| 8 | Inflammation, Chronic Active | 3 4 | 3 3.0| Duct, Dilatation | 3| 4 2.3| __________________________________________________________________________|____________| Prostate | + + + + +| 9 | Inflammation, Suppurative | 3 3 | 2 3.0| __________________________________________________________________________|____________| Seminal Vesicle | | 1 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + +| 9 | Inflammation, Acute, Necrotizing | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + +| 9 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + +| 23 | Lumbar, Edema | 2 | 1 2.0| Renal, Edema | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + +| 15 | Angiectasis | 3 1 4 4 3 3 2 3 4| 11 2.8| __________________________________________________________________________|____________| Spleen | + A + + + + + +| 17 | Hematopoietic Cell Proliferation | 3 | 1 3.0| Hyperplasia, Lymphoid | 2 | 3 2.7| __________________________________________________________________________|____________| Thymus | M + + + +| 7 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + M +| 9 | Inflammation, Acute | 4 | 2 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 86 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 4| 3| 7| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 9| | | 8| 1| 1| 3| 8| 1| 3| 1| 2| 2| 2| 2| 3| 3| 2| 3| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 | B6C3F1 MICE 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 | 100 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + +| 35 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X X X | 27 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + +| 10 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + +| 22 | Alveolar Epithelium, Hyperplasia | 3 | 2 2.5| __________________________________________________________________________|____________| Nose | + + + + +| 10 | __________________________________________________________________________|____________| Trachea | + + + + +| 10 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 3 | Degeneration | 2 1 | 3 1.7| __________________________________________________________________________|____________| Harderian Gland | + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + +| 9 | Nephropathy, Chronic | 3 | 1 3.0| Pelvis, Inflammation, Suppurative | 1 1 | 2 1.0| Renal Tubule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + A + + +| 8 | Inflammation, Chronic Active | 3 | 2 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 87 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 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| | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 300 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + M + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | Parasite Metazoan | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X X X 2 X 2 2 X X X 3 X X X| Degeneration, Cystic | 1 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 1 2 3 2| Eosinophilic Focus | 1 2 2 3 3 | Infarct, Multifocal | 3 | Inflammation, Chronic | 3 | Mixed Cell Focus | 3 2 | Centrilobular, Cytomegaly | 1 1 1 3 3 2 2 2 2 2 1 3 2 2 2 2 3 3 2 2 1 2 3 2| __________________________________________________________________________| Mesentery | | Artery, Inflammation, Chronic Active | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 4 1 2 3 | Acinus, Depletion Secretory | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | | Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + + + + + + + + +| Incisor, Upper, Dysplasia | 1 2 1 2 2 1 1 1 1 2 1 2 1 2 1 1 1 2 1 2 1 2 1 1| Peridontal Tissue, Inflammation, | | Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 88 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 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| | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 300 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Hypertrophy | 1 2 2 2 2 2 2 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + I + + + + M + + + M + + + M + + + I +| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + M + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Preputial Gland | + | Duct, Dilatation | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Thrombosis | X | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mandibular, Angiectasis | 2 | Mandibular, Edema | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + | Angiectasis | 3 3 3 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | + + M + + + + + + + + + + + + + + + + + + M + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X | _____________________________________________________________________________________________________________________| Page 89 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 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| | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 300 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 1 | Inflammation, Chronic Active | 3 | Alveolar Epithelium, Hyperplasia | 2 | Artery, Mediastinum, Inflammation, | | Chronic Active | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Degeneration | 3 | __________________________________________________________________________| Harderian Gland | + + | Hyperplasia | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 2 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1| Artery, Inflammation, Chronic Active | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 90 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 8| 4| 4| 4| 6| 4| 4| 4| 4| 1| 4| 7| 1| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 1| 1| 0| 1| 1| 1| 4| 2| 2| 2| 2| 0| 2| 8| 8| 3| 3| 3| 3| 3| 1| 4| 4| 4| 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 | B6C3F1 MICE 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 | 300 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 | __________________________________________________________________________|____________| Gallbladder | + + M + + + + M + + + M + A A + + + + + + + + + M| 44 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + A A + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + M + A + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | Inflammation, Acute, Necrotizing | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + A A + + + + + + + + + +| 48 | Inflammation, Chronic Active | | 1 1.0| Parasite Metazoan | X| 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 1 | Clear Cell Focus | X X X X X X X X X X X X | 26 2.3| Degeneration, Cystic | 2 2 2 2 2 2 3 3 3 3 3 2 2 3 3 3 3 2 3| 39 2.2| Eosinophilic Focus | | 5 2.2| Infarct, Multifocal | 3 4 | 3 3.3| Inflammation, Chronic | | 1 3.0| Mixed Cell Focus | 4 | 3 3.0| Centrilobular, Cytomegaly | 2 2 1 3 2 1 1 3 4 2 3 3 2 3 3 4 2 2 1 3 2 3| 46 2.2| __________________________________________________________________________|____________| Mesentery | + + + | 3 | Artery, Inflammation, Chronic Active | 1 | 1 1.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + M + + + + + + + + + + +| 49 | Acinus, Atrophy | 1 1 | 6 2.0| Acinus, Depletion Secretory | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | Ulcer | 1 | 1 1.0| Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + +| 44 | Incisor, Upper, Dysplasia | 1 2 1 2 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 2| 44 1.3| Peridontal Tissue, Inflammation, | | | Suppurative | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | 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 91 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 8| 4| 4| 4| 6| 4| 4| 4| 4| 1| 4| 7| 1| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 1| 1| 0| 1| 1| 1| 4| 2| 2| 2| 2| 0| 2| 8| 8| 3| 3| 3| 3| 3| 1| 4| 4| 4| 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 | B6C3F1 MICE 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 | 300 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 | | | | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | 1 | 2 1.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + M + + + + + + + + + +| 49 | Hyperplasia | 2 1 | 2 1.5| Hypertrophy | 3 1 1 2 1 1 1 | 15 1.6| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + M + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + M + + + + + + + + + + +| 49 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Pituitary Gland | M M I + + + M + + M + M + I M + + + I + + M + + M| 34 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 2 | 4 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + | 4 | Duct, Dilatation | 2 2 1 | 4 2.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 2 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femoral, Thrombosis | | 1 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mandibular, Angiectasis | | 1 2.0| Mandibular, Edema | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + | 18 | Angiectasis | 2 3 4 2 1 2 1 3 | 13 2.4| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | Depletion Lymphoid | 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 92 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 8| 4| 4| 4| 6| 4| 4| 4| 4| 1| 4| 7| 1| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | 1| 1| 0| 1| 1| 1| 4| 2| 2| 2| 2| 0| 2| 8| 8| 3| 3| 3| 3| 3| 1| 4| 4| 4| 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 | B6C3F1 MICE 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 | 300 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hematopoietic Cell Proliferation | 3 3 | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + M + + + + M + M M + + + + + M + + + +| 43 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tarsal, Hyperostosis | X X X X X | 9 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 2 1.0| Inflammation, Chronic Active | | 1 3.0| Alveolar Epithelium, Hyperplasia | | 1 2.0| Artery, Mediastinum, Inflammation, | | | Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nasolacrimal Duct, Inflammation, | | | Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Degeneration | 3 | 2 3.0| __________________________________________________________________________|____________| Harderian Gland | + + | 4 | Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 3 2 1 2 1 1 1 1 1 1 1 1 1 1 2 1 1 2| 39 1.2| Artery, Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 93 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 7| 7| 6| 4| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 1| 1| 1| 1| 4| 4| 4| 8| 4| 4| 1| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 300 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 + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + M + + + M + + M + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + M + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + M + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + M + + + + + + + + + + + + +| Basophilic Focus | X 1 | Clear Cell Focus | 2 1 3 X 2 2 X X X X 3| Degeneration, Cystic | 3 2 2 2 1 3 2 2 2 2 2 2 2| Eosinophilic Focus | X | Hematopoietic Cell Proliferation | | Infarct, Multifocal | | Inflammation, Chronic | 2 | Centrilobular, Cytomegaly | 3 1 2 2 3 3 2 2 3 2 2 2 2 3 2 2 1 3| __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + M + + + + + + + + + + + + +| Acinus, Focal Cellular Change | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + M + + + + + + + + + + + + +| Inflammation, Granulomatous | | Necrosis | | Acinus, Atrophy | | __________________________________________________________________________| Stomach | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + M + + + + + + + + + + + + +| Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + M + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | 3 2 3 1 | __________________________________________________________________________| Tooth | + + + + + + + + + + + + + + + + +| Incisor, Upper, Dysplasia | 1 2 2 1 1 2 3 2 1 2 2 2 2 1 1 1| Peridontal Tissue, Inflammation, | | Suppurative | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + M + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + M + + + + I + + + + + + + +| _____________________________________________________________________________________________________________________| Page 94 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 7| 7| 6| 4| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 1| 1| 1| 1| 4| 4| 4| 8| 4| 4| 1| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 300 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + M + + + + + + + + + + + + +| Hyperplasia | | Hypertrophy | 1 1 2 2 1| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + M + + + + I + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + + M + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + I + + + + + + + + + I M + + + M M + + + + + + +| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| Inflammation, Chronic Active | | Follicle, Cyst Multilocular | | Follicular Cell, Hyperplasia | 2 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + | Inflammation, Chronic Active | 1 3 | Duct, Dilatation | 4 3 3 2 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + M + + + + + + + + + + + M +| Mediastinal, Angiectasis | 4 | __________________________________________________________________________| Lymph Node, Bronchial | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + +| Angiectasis | 4 4 4 3 3 2 1 3 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + M + + + + + + + + + + + + +| Cyst | | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | M M M + + + + M + + + M + + + + + + + + + + + + +| Atrophy | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 95 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 _____________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 7| 7| 6| 4| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 1| 1| 1| 1| 4| 4| 4| 8| 4| 4| 1| 5| 5| 5| 5| 6| 6| 6| 6| 7| 7| 7| 7| 8| _____________________________________________________________________________________________________________________| | 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| B6C3F1 MICE 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| 300 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | Femur, Hyperostosis | X | Tarsal, Hyperostosis | X X X X X X X X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + M + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Alveolar Epithelium, Hyperplasia | 1 3 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + M + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Harderian Gland | + + + | Hyperplasia | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Embolus Bacterial | | Nephropathy, Chronic | 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1| Pelvis, Inflammation, Suppurative | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Concretion | | Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| Page 96 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 2| 7| 0| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 0| 3| 4| 3| 9| 1| 3| 4| 4| 4| 4| 4| 4| 4| 5| 4| 1| 4| 3| 4| 2| 4| 4| 4| 4| | | 7| 8| 4| 8| 9| 2| 8| 1| 1| 1| 1| 2| 2| 2| 1| 2| 2| 3| 3| 3| 3| 3| 3| 4| 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 | B6C3F1 MICE 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 | 300 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Gallbladder | + + + + + A + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + A + A + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute, Necrotizing | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + A + A + + + + + + + + + + + A + + + + + + + +| 46 | Inflammation, Acute, Necrotizing | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + A + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X | 3 1.0| Clear Cell Focus | X X X X X X X X X| 20 2.2| Degeneration, Cystic | 2 2 2 3 2 2 1 3 2 2 2 1 3 3 3 2| 29 2.1| Eosinophilic Focus | 2 | 2 2.0| Hematopoietic Cell Proliferation | 2 | 1 2.0| Infarct, Multifocal | 2 2 | 2 2.0| Inflammation, Chronic | | 1 2.0| Centrilobular, Cytomegaly | 2 1 3 3 3 2 2 2 3 3 1 2 3 2 1 3 3 3 2| 37 2.3| __________________________________________________________________________|____________| Mesentery | + + + | 4 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acinus, Focal Cellular Change | X | 2 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Granulomatous | 4 | 1 4.0| Necrosis | 2 | 1 2.0| Acinus, Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Epithelium, Hyperplasia | 3 1 | 2 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + A + + + + + + + + + + + + + + + + + + +| 47 | Inflammation, Acute, Necrotizing | | 4 2.3| __________________________________________________________________________|____________| Tooth | + + + + + + + + + + + + + + + + + + + + + +| 39 | Incisor, Upper, Dysplasia | 1 3 2 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 2 2 1 1| 38 1.4| Peridontal Tissue, Inflammation, | | | Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | 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 97 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 2| 7| 0| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 0| 3| 4| 3| 9| 1| 3| 4| 4| 4| 4| 4| 4| 4| 5| 4| 1| 4| 3| 4| 2| 4| 4| 4| 4| | | 7| 8| 4| 8| 9| 2| 8| 1| 1| 1| 1| 2| 2| 2| 1| 2| 2| 3| 3| 3| 3| 3| 3| 4| 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 | B6C3F1 MICE 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 | 300 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 | | | | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 1 1 2 1 | 4 1.3| Hypertrophy | 1 2 | 7 1.4| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + I + + + + + I + + + + + + + + + M + +| 45 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + M + M + + + + + + + + M + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Pituitary Gland | I + M + + M + + + + + + + + + + + + + + + + + + +| 42 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 | 1 2.0| Follicle, Cyst Multilocular | X | 1 | Follicular Cell, Hyperplasia | 1 3 1| 6 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + | 8 | Inflammation, Chronic Active | 4 | 3 2.7| Duct, Dilatation | 2 2 | 7 2.7| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3 3 | 3 2.7| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + M + + + + + + + + + + + + + +| 47 | Mediastinal, Angiectasis | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 24 | Angiectasis | 3 2 3 3 | 13 2.8| __________________________________________________________________________|____________| Spleen | + M + + M + + + + + + + + + + + + + + + + + + + +| 47 | 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 98 NTP Experiment-Test: 05075-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIPHENYLHYDANTOIN Date: 04/29/97 Route: DOSED FEED Time: 07:40:15 __________________________________________________________________________________________________________________________________ | 7| 7| 2| 7| 0| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 0| 3| 4| 3| 9| 1| 3| 4| 4| 4| 4| 4| 4| 4| 5| 4| 1| 4| 3| 4| 2| 4| 4| 4| 4| | | 7| 8| 4| 8| 9| 2| 8| 1| 1| 1| 1| 2| 2| 2| 1| 2| 2| 3| 3| 3| 3| 3| 3| 4| 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 | B6C3F1 MICE 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 | 300 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hematopoietic Cell Proliferation | 4 3 | 2 3.5| __________________________________________________________________________|____________| Thymus | M + M + + M + + + + + + + + + + M + + + + + + + +| 41 | Atrophy | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femur, Hyperostosis | | 1 | Tarsal, Hyperostosis | X X X X | 13 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 3 | 2 2.5| Alveolar Epithelium, Hyperplasia | 1 2 2 | 6 1.8| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mucosa, Inflammation, Suppurative | 4 | 1 4.0| __________________________________________________________________________|____________| Trachea | + + + + M + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Degeneration | 4 | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + + | 5 | Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Embolus Bacterial | X | 1 | Nephropathy, Chronic | 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 35 1.1| Pelvis, Inflammation, Suppurative | 3 | 2 2.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Concretion | 2 | 1 2.0| Inflammation, Chronic Active | 3 3 4 3 | 5 3.4| __________________________________________________________________________________________________________________________________ * : 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 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 980960-980960/980960 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