TDMS Study 05052-01 Pathology Tables
NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 Facility: Battelle Columbus Laboratory Chemical CAS #: 120-83-2 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 9| 2| 2| 2| 2| 0| 2| 1| 2| 5| 2| 0| 2| | 9| 9| 9| 9| 9| 9| 9| 0| 9| 9| 9| 9| 5| 9| 9| 9| 9| 8| 9| 3| 9| 9| 9| 1| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 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| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| Rectum, Parasite Metazoan | 2 | Rectum, Parasite Metazoan, Multifocal| 2 | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + M M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 2 | Basophilic Focus, Multiple | X X X X X X X X X X X X X X X X| Basophilic Focus, Single | X | Clear Cell Focus, Single | X | Hemorrhage, Acute, Multifocal | 3 | Inflammation, Granulomatous, | | Multifocal | 2 2 2 2 2 2 2 2 2 2 2 4| Bile Duct, Hyperplasia, Multifocal | 2 2 2 3 3 | Hepatocyte, Degeneration, Cystic, | | Focal | 2 | Hepatocyte, Necrosis, Acute, | | Multifocal | 2 3 | Hepatocyte, Vacuolization | | Cytoplasmic, Multifocal | 1 3 2 2 3 4 | Periportal, Hematopoietic Cell | | Proliferation, Multifocal | 2 3| __________________________________________________________________________| Mesentery | | Inflammation, Chronic, Multifocal | | Inflammation, Focal, Granulomatous | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 1 2 3 | Acinus, Atrophy, Multifocal | 2 2 2 2 1 3 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Glandular, Ulcer, Acute, Multifocal | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Degeneration, Chronic, | | Multifocal | 2 1 2 2 1 3 1 1 2 3 2 2 2 2 2 1 2 1 2 3| Myocardium, Inflammation, Acute, | | Multifocal | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 9| 2| 2| 2| 2| 0| 2| 1| 2| 5| 2| 0| 2| | 9| 9| 9| 9| 9| 9| 9| 0| 9| 9| 9| 9| 5| 9| 9| 9| 9| 8| 9| 3| 9| 9| 9| 1| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 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| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Cortex, Congestion, | | Multifocal | 3 | Bilateral, Cortex, Congestion, | | Multifocal, Subacute | 3 | Bilateral, Cortex, Hyperplasia, Focal| 2 | Bilateral, Cortex, Hyperplasia, | | Multifocal | 2 | Bilateral, Medulla, Hyperplasia, | | Multifocal | 3| Cortex, Cyst | | Cortex, Cytoplasmic Alteration, Focal| 2 2 | Cortex, Degeneration, Cystic, Focal | 2 | Cortex, Degeneration, Fatty, Focal | 2 2 3 3 2 2 3 | Cortex, Degeneration, Fatty, | | Multifocal | | Cortex, Hyperplasia, Focal | 2 2 2 | Cortex, Hyperplasia, Multifocal | 2 2 | Cortex, Hypertrophy, Focal | 3 | Cortex, Karyomegaly, Focal | | Cortex, Necrosis, Multifocal | 2 | Medulla, Hyperplasia, Focal | 2 | Medulla, Hyperplasia, Multifocal | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + M M M + + + + + + + + M + + + + + M +| Hyperplasia, Multifocal | 2| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Cyst, Multiple | X X X X X X| Pars Distalis, Cyst, Single | X | Pars Distalis, Hemorrhage, Focal | 3 | Pars Distalis, Hemorrhage, Multifocal| 3 | Pars Distalis, Hyperplasia, Focal | 2 3 | Pars Distalis, Hyperplasia, | | Multifocal | 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia, Multifocal | 2 2 2 2 2 1 2 3 2 2 2 2 2 2 2 2 2 | Follicle, Cyst, Single | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 9| 2| 2| 2| 2| 0| 2| 1| 2| 5| 2| 0| 2| | 9| 9| 9| 9| 9| 9| 9| 0| 9| 9| 9| 9| 5| 9| 9| 9| 9| 8| 9| 3| 9| 9| 9| 1| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 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| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM - cont | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + M + + + + + + M + + + + + + M + + +| Cyst, Multiple | X X | Inflammation, Chronic Active, Focal | 2 | Inflammation, Chronic Active, | | Multifocal | 2 | Inflammation, Multifocal, Subacute | 2 | Necrosis, Acute, Focal | | Necrosis, Chronic Active, Focal | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Periovarian Tissue, Cyst | | Bilateral, Follicle, Cyst | | Follicle, Cyst, Multiple | X | Follicle, Cyst, Single | X X| Germinal Epithelium, Mineralization, | | Multifocal | | Left, Follicle, Cyst | | Periovarian Tissue, Cyst | X | Periovarian Tissue, Right, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Abscess | 4 | Inflammation, Chronic Active, | | Multifocal | | Cervix, Diverticulum | X | Cervix, Inflammation, Multifocal, | | Suppurative | 3 | Endometrium, Hyperplasia, Cystic, | | Glandular, Multifocal | 2 3 2 2 2 2 3 2 2 2 2| Lumen, Ectasia, Multifocal | 4 | Lumen, Right, Ectasia, Focal | | Lumen, Right, Ectasia, Multifocal | | Serosa, Inflammation, Chronic, Focal | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + +| __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Multifocal, Neutrophil | | Hyperplasia, Multifocal, Reticulum | | Cell | 2 2 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Mandibular, Hemorrhage, Multifocal | 3 2 3 | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 9| 2| 2| 2| 2| 0| 2| 1| 2| 5| 2| 0| 2| | 9| 9| 9| 9| 9| 9| 9| 0| 9| 9| 9| 9| 5| 9| 9| 9| 9| 8| 9| 3| 9| 9| 9| 1| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 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| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Mandibular, Hyperplasia, Lymphoid, | | Multifocal | 2 3 3 | Mandibular, Hyperplasia, Multifocal, | | Plasma Cell | 3 3 3 3 | Mandibular, Inflammation, | | Granulomatous, Multifocal | 2 2| Mediastinal, Depletion Lymphoid, | | Multifocal | | Mediastinal, Hemorrhage, Multifocal | 3 3 3 3 | Mediastinal, Inflammation, | | Granulomatous, Multifocal | 3 3 2 2| __________________________________________________________________________| Lymph Node, Mandibular | | __________________________________________________________________________| Lymph Node, Mesenteric | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoid Follicle, Depletion | | Lymphoid, Multifocal | | Lymphoid Follicle, Inflammation, | | Granulomatous, Multifocal | 2 | Red Pulp, Congestion, Focal | | Red Pulp, Hematopoietic Cell | | Proliferation, Multifocal | 2 3 2 2 2 3 2 2 2 3| Red Pulp, Necrosis, Acute, Focal | 3 | Red Pulp, Pigmentation, Hemosiderin, | | Multifocal | | __________________________________________________________________________| Thymus | + + + + + + + + + + + M M + + + M + + + + + M + +| Depletion Lymphoid, Multifocal | 3 2 3 2 2 2 3 2 3 2 3 2 3 2 3| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Hyperplasia, Cystic, | | Multifocal | 3 3 3 3 3 3 3 3 3 3 3 2 2 2| Acinus, Hyperplasia, Cystic, Multiple| 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Axillary, Subcutaneous Tissue, | | Inflammation, Chronic Active, | | Multifocal | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + M + + + + + + + + + + + + + + + + + + +| Femur, Osteopetrosis, Multifocal | 3 2 3 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebellum, Hemorrhage, Acute, Focal | | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 9| 2| 2| 2| 2| 0| 2| 1| 2| 5| 2| 0| 2| | 9| 9| 9| 9| 9| 9| 9| 0| 9| 9| 9| 9| 5| 9| 9| 9| 9| 8| 9| 3| 9| 9| 9| 1| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 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| | 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 | | | | Cerebrum, Compression, Focal | 3 4 3 | Medulla, Hemorrhage, Multifocal | 2 | Ventricle, Hydrocephalus, Multifocal | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion, Acute, Multifocal | | Hemorrhage, Acute, Multifocal | 2 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 3 | Interstitium, Inflammation, Acute, | | Focal | | __________________________________________________________________________| Nose | + + + + + + + M + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Focal, Subacute | 2 2 2| Nasolacrimal Duct, Inflammation, | | Multifocal, Subacute | 2 2 2 3 2 2 3 3 | Respiratory Epithelium, Degeneration,| | Multifocal | 3 2 2 2 2 2 2 3 2| Submucosa, Respiratory Epithelium, | | Congestion, Acute, Multifocal | 3 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Subacute | 2 2 2 2 1 2 2 2 2 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + M + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + + | Hemorrhage, Acute, Multifocal | 3 | Lens, Cataract, Multifocal | 2 | Retina, Atrophy, Multifocal | 4 | __________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Multifocal, Subacute | 2 2 2 2 2 2 2 2 2 2 3| Bilateral, Inflammation, Multifocal, | | Subacute | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Nephropathy, Chronic, | | Multifocal | 2 1 1 2 3 2 1 2 3 3 3 3 4 4 1 2 3 3 1 2 2 1 1 3| Cortex, Casts, Single | | Cortex, Inflammation, Chronic, Focal | 3 | Medulla, Left, Cyst, Multiple | X | Renal Tubule, Degeneration, Acute, | | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 9| 2| 2| 2| 2| 0| 2| 1| 2| 5| 2| 0| 2| | 9| 9| 9| 9| 9| 9| 9| 0| 9| 9| 9| 9| 5| 9| 9| 9| 9| 8| 9| 3| 9| 9| 9| 1| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 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| | 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 | | | | Multifocal | | Renal Tubule, Vacuolization | | Cytoplasmic, Multifocal | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 7| 5| 7| 2| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 2| 3| 2| 2| 2| 6| 2| 2| 2| 9| 9| 2| 2| 2| 8| 2| 8| 9| 2| 2| 2| 2| 9| 2| | | 9| 9| 6| 9| 9| 9| 0| 9| 9| 9| 3| 2| 9| 9| 9| 0| 9| 9| 3| 9| 9| 9| 9| 3| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + A + + + + + + + A +| 48 | Rectum, Parasite Metazoan | 2 | 2 2.0| Rectum, Parasite Metazoan, Multifocal| | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + A + + + + + + + A +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | | 1 2.0| Basophilic Focus, Multiple | X X X X X X X X X X X X X X X X X | 33 | Basophilic Focus, Single | X | 2 | Clear Cell Focus, Single | X | 2 | Hemorrhage, Acute, Multifocal | | 1 3.0| Inflammation, Granulomatous, | | | Multifocal | 2 2 3 2 2 2 2 2 3 3 3 3 2 4| 26 2.3| Bile Duct, Hyperplasia, Multifocal | 3 2 2 | 8 2.4| Hepatocyte, Degeneration, Cystic, | | | Focal | | 1 2.0| Hepatocyte, Necrosis, Acute, | | | Multifocal | 2 | 3 2.3| Hepatocyte, Vacuolization | | | Cytoplasmic, Multifocal | 4 3 4| 9 2.9| Periportal, Hematopoietic Cell | | | Proliferation, Multifocal | | 2 2.5| __________________________________________________________________________|____________| Mesentery | + + | 2 | Inflammation, Chronic, Multifocal | 2 | 1 2.0| Inflammation, Focal, Granulomatous | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy, Focal | 2 2| 5 2.0| Acinus, Atrophy, Multifocal | 2 2 2 3 3 3 2 | 15 2.2| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | Glandular, Ulcer, Acute, Multifocal | 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 8 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 7| 5| 7| 2| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 2| 3| 2| 2| 2| 6| 2| 2| 2| 9| 9| 2| 2| 2| 8| 2| 8| 9| 2| 2| 2| 2| 9| 2| | | 9| 9| 6| 9| 9| 9| 0| 9| 9| 9| 3| 2| 9| 9| 9| 0| 9| 9| 3| 9| 9| 9| 9| 3| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | | 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 | Myocardium, Degeneration, Chronic, | | | Multifocal | 1 2 1 2 2 2 2 3 2 2 2 3 2 2 2 2 2 2 3 2| 40 2.0| Myocardium, Inflammation, Acute, | | | Multifocal | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Cortex, Congestion, | | | Multifocal | | 1 3.0| Bilateral, Cortex, Congestion, | | | Multifocal, Subacute | | 1 3.0| Bilateral, Cortex, Hyperplasia, Focal| | 1 2.0| Bilateral, Cortex, Hyperplasia, | | | Multifocal | | 1 2.0| Bilateral, Medulla, Hyperplasia, | | | Multifocal | | 1 3.0| Cortex, Cyst | X | 1 | Cortex, Cytoplasmic Alteration, Focal| 3 | 3 2.3| Cortex, Degeneration, Cystic, Focal | | 1 2.0| Cortex, Degeneration, Fatty, Focal | 2 2 2 2 2 | 12 2.3| Cortex, Degeneration, Fatty, | | | Multifocal | 2 2 | 2 2.0| Cortex, Hyperplasia, Focal | 2 2 2 2 2 | 8 2.0| Cortex, Hyperplasia, Multifocal | | 2 2.0| Cortex, Hypertrophy, Focal | 3 | 2 3.0| Cortex, Karyomegaly, Focal | 2 2 2 | 3 2.0| Cortex, Necrosis, Multifocal | | 1 2.0| Medulla, Hyperplasia, Focal | 2 | 2 2.0| Medulla, Hyperplasia, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + +| 17 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + +| 34 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + M M M M M + + + + M M + + + + + + M + + M + +| 36 | Hyperplasia, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Cyst | X | 1 | Pars Distalis, Cyst, Multiple | X X X X X X | 12 | Pars Distalis, Cyst, Single | | 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 9 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 7| 5| 7| 2| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 2| 3| 2| 2| 2| 6| 2| 2| 2| 9| 9| 2| 2| 2| 8| 2| 8| 9| 2| 2| 2| 2| 9| 2| | | 9| 9| 6| 9| 9| 9| 0| 9| 9| 9| 3| 2| 9| 9| 9| 0| 9| 9| 3| 9| 9| 9| 9| 3| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Distalis, Hemorrhage, Focal | | 1 3.0| Pars Distalis, Hemorrhage, Multifocal| 3 3 3 | 4 3.0| Pars Distalis, Hyperplasia, Focal | 2 3 3 | 5 2.6| Pars Distalis, Hyperplasia, | | | Multifocal | | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia, Multifocal | 2 2 2 2 2 2 2 2 2 2 2 2 2| 30 2.0| Follicle, Cyst, Single | X | 2 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | M + M + + + M + + M + + + + M + M + + + M + M +| 38 | Cyst, Multiple | | 2 | Inflammation, Chronic Active, Focal | | 1 2.0| Inflammation, Chronic Active, | | | Multifocal | | 1 2.0| Inflammation, Multifocal, Subacute | | 1 2.0| Necrosis, Acute, Focal | 2 | 1 2.0| Necrosis, Chronic Active, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Periovarian Tissue, Cyst | X | 1 | Bilateral, Follicle, Cyst | X | 1 | Follicle, Cyst, Multiple | | 1 | Follicle, Cyst, Single | | 2 | Germinal Epithelium, Mineralization, | | | Multifocal | 2 | 1 2.0| Left, Follicle, Cyst | X | 1 | Periovarian Tissue, Cyst | | 1 | Periovarian Tissue, Right, Cyst | X | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Abscess | 3 | 2 3.5| Inflammation, Chronic Active, | | | Multifocal | 3 | 1 3.0| Cervix, Diverticulum | X | 2 | Cervix, Inflammation, Multifocal, | | | Suppurative | | 1 3.0| Endometrium, Hyperplasia, Cystic, | | | __________________________________________________________________________________________________________________________________ * : 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 10 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 7| 5| 7| 2| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 2| 3| 2| 2| 2| 6| 2| 2| 2| 9| 9| 2| 2| 2| 8| 2| 8| 9| 2| 2| 2| 2| 9| 2| | | 9| 9| 6| 9| 9| 9| 0| 9| 9| 9| 3| 2| 9| 9| 9| 0| 9| 9| 3| 9| 9| 9| 9| 3| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | | 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 | | | | | | Glandular, Multifocal | 2 2 2 2 2 1 2 2 2 2 2 2 2| 24 2.0| Lumen, Ectasia, Multifocal | 3 3 | 3 3.3| Lumen, Right, Ectasia, Focal | 3 | 1 3.0| Lumen, Right, Ectasia, Multifocal | 3 | 1 3.0| Serosa, Inflammation, Chronic, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + | 12 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Multifocal, Neutrophil | 3 | 1 3.0| Hyperplasia, Multifocal, Reticulum | | | Cell | 3 3 | 5 2.4| __________________________________________________________________________|____________| Lymph Node | + + + + + + + M + + + + + + + + + M + + + + + + +| 48 | Hemorrhage | X | 1 | Mandibular, Hemorrhage, Multifocal | 2 2 2 2 2 2 | 9 2.2| Mandibular, Hyperplasia, Lymphoid, | | | Multifocal | 2 2 | 5 2.4| Mandibular, Hyperplasia, Multifocal, | | | Plasma Cell | | 4 3.0| Mandibular, Inflammation, | | | Granulomatous, Multifocal | 2 2| 4 2.0| Mediastinal, Depletion Lymphoid, | | | Multifocal | 2 | 1 2.0| Mediastinal, Hemorrhage, Multifocal | 2 3 | 6 2.8| Mediastinal, Inflammation, | | | Granulomatous, Multifocal | 2 2| 6 2.3| __________________________________________________________________________|____________| Lymph Node, Mandibular | + | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoid Follicle, Depletion | | | Lymphoid, Multifocal | 2 2 | 2 2.0| Lymphoid Follicle, Inflammation, | | | Granulomatous, Multifocal | 3 | 2 2.5| Red Pulp, Congestion, Focal | 2 | 1 2.0| Red Pulp, Hematopoietic Cell | | | Proliferation, Multifocal | 2 2 3 2 2 2 2 2 2 3 2 2 2 3 2| 25 2.2| Red Pulp, Necrosis, Acute, Focal | | 1 3.0| Red Pulp, Pigmentation, Hemosiderin, | | | Multifocal | 3 3 | 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 11 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 7| 5| 7| 2| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 2| 3| 2| 2| 2| 6| 2| 2| 2| 9| 9| 2| 2| 2| 8| 2| 8| 9| 2| 2| 2| 2| 9| 2| | | 9| 9| 6| 9| 9| 9| 0| 9| 9| 9| 3| 2| 9| 9| 9| 0| 9| 9| 3| 9| 9| 9| 9| 3| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | | 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 + + + + + M M + + + + + + + +| 39 | Depletion Lymphoid, Multifocal | 2 2 2 2 3 3 2 2 2 3 2 2 2 3 3| 30 2.4| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + + + + + + + M + + + + + + + + + + + M + M + +| 46 | Acinus, Hyperplasia, Cystic, | | | Multifocal | 3 3 2 3 4 3 2 3 3 2 4 2| 26 2.8| Acinus, Hyperplasia, Cystic, Multiple| | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Axillary, Subcutaneous Tissue, | | | Inflammation, Chronic Active, | | | Multifocal | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Femur, Osteopetrosis, Multifocal | 2 2 2 | 7 2.4| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cerebellum, Hemorrhage, Acute, Focal | 4 | 1 4.0| Cerebrum, Compression, Focal | 3 3 3 2 3 3| 9 3.0| Medulla, Hemorrhage, Multifocal | | 1 2.0| Ventricle, Hydrocephalus, Multifocal | 3 3 2| 3 2.7| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion, Acute, Multifocal | 3 3 | 2 3.0| Hemorrhage, Acute, Multifocal | 2 | 2 2.0| Alveolar Epithelium, Hyperplasia, | | | Multifocal | | 1 3.0| Interstitium, Inflammation, Acute, | | | Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | M + + + + + M + + + + + + + + M + M + + + + + + +| 45 | Nasolacrimal Duct, Inflammation, | | | Focal, Subacute | 2 2 | 5 2.0| Nasolacrimal Duct, Inflammation, | | | Multifocal, Subacute | 2 3 2 3 2 2 2 3 2 3 | 18 2.4| Respiratory Epithelium, Degeneration,| | | Multifocal | 2 2 2 2 3 2 3 2 2 2 | 19 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 12 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 6| 6| 7| 7| 7| 5| 7| 2| 6| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 2| 3| 2| 2| 2| 6| 2| 2| 2| 9| 9| 2| 2| 2| 8| 2| 8| 9| 2| 2| 2| 2| 9| 2| | | 9| 9| 6| 9| 9| 9| 0| 9| 9| 9| 3| 2| 9| 9| 9| 0| 9| 9| 3| 9| 9| 9| 9| 3| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | | 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 | | | | | | Submucosa, Respiratory Epithelium, | | | Congestion, Acute, Multifocal | | 1 3.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Subacute | 2 2 2 2 2 2 2 2 2 2 2| 21 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 4 | Hemorrhage, Acute, Multifocal | | 1 3.0| Lens, Cataract, Multifocal | | 1 2.0| Retina, Atrophy, Multifocal | | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + + + + M + + + + + + M + + + + + + +| 40 | Inflammation, Multifocal, Subacute | 3 2 2 2 | 15 2.1| Bilateral, Inflammation, Multifocal, | | | Subacute | 2| 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Nephropathy, Chronic, | | | Multifocal | 2 2 1 1 2 3 2 2 2 2 1 2 3 2 4 2 1 3 3 2 3 3| 46 2.2| Cortex, Casts, Single | X | 1 | Cortex, Inflammation, Chronic, Focal | | 1 3.0| Medulla, Left, Cyst, Multiple | | 1 | Renal Tubule, Degeneration, Acute, | | | Multifocal | 4 3 | 2 3.5| Renal Tubule, Vacuolization | | | Cytoplasmic, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| 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 13 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 0| 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 2500 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| 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 | | | | __________________________________________________________________________| Liver | + + + + + + + + + + | Angiectasis, Multifocal | 3 | Basophilic Focus, Multiple | X X X X X X X X X | Basophilic Focus, Single | | Clear Cell Focus | X | Cyst | | Inflammation, Focal, Granulomatous | | Inflammation, Granulomatous, | | Multifocal | 2 2 2 1 2 | Inflammation, Multifocal, Subacute | 2 | Bile Duct, Hyperplasia, Multifocal | | Hepatocyte, Degeneration, Cystic, | | Focal | 3 2 | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 1 1 1 2 2 1 2| Acinus, Atrophy, Multifocal | 2 | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Cortex, Atrophy, Diffuse | 3| Bilateral, Cortex, Congestion, | | Multifocal | 3 | Bilateral, Cortex, Degeneration, | | Diffuse, Fatty | 4 | Bilateral, Cortex, Degeneration, | | Fatty, Multifocal | 2 | Bilateral, Cortex, Hyperplasia, | | Multifocal | 2 2 2 3 | Capsule, Hyperplasia, Focal | 2 | Cortex, Cytoplasmic Alteration, Focal| 2 2 | Cortex, Cytoplasmic Alteration, | | Multifocal | 2 | Cortex, Degeneration, Cystic, Focal | | Cortex, Degeneration, Fatty, Focal | 2 2 3 3 2 | Cortex, Degeneration, Fatty, | | Multifocal | 2 | Cortex, Hyperplasia, Focal | 2 2 4 2 | Cortex, Hyperplasia, Multifocal | 2 | Cortex, Karyomegaly, Focal | 2 | _____________________________________________________________________________________________________________________| Page 14 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 0| 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 2500 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| 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 | | | | Cortex, Right, Atrophy, Multifocal | 3 | Medulla, Cyst | | Medulla, Karyomegaly, Focal | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + +| Cyst, Multiple | X | Pars Distalis, Cyst | X X X | Pars Distalis, Cyst, Multiple | X X | Pars Distalis, Hemorrhage, Focal | | Pars Distalis, Hyperplasia, Focal | 3 | Pars Distalis, Necrosis, Chronic, | | Multifocal | 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + | __________________________________________________________________________| Ovary | + + | Necrosis, Coagulative, Multifocal | 4 | Periovarian Tissue, Cyst | X | Periovarian Tissue, Right, Cyst | | Periovarian Tissue, Left, Cyst | | __________________________________________________________________________| Uterus | + + + + + | Bilateral, Lumen, Ectasia | 3 | Cervix, Diverticulum | X | Cervix, Inflammation, Chronic Active,| | Multifocal | | Cervix, Prolapse, Multifocal | | Endometrium, Hemorrhage, Multifocal | 3 | Lumen, Hemorrhage, Focal, Subacute | 4 4 | Lumen, Right, Ectasia, Focal | 4 | Lumen, Right, Ectasia, Multifocal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Lymph Node | + M + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Granulomatous, | | Multifocal | 3 | Cortex, Mandibular, Cyst, Multiple | | Mandibular, Hemorrhage, Multifocal | 2 | Mandibular, Hyperplasia, Multifocal, | | Plasma Cell | 2 3 3| _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 0| 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 2500 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| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Mandibular, Inflammation, Chronic, | | Multifocal | | Mandibular, Inflammation, | | Granulomatous, Multifocal | 2 2 3 | Mandibular, Pigmentation, | | Hemosiderin, Multifocal | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoid Follicle, Depletion | | Lymphoid, Multifocal | 3 3 | Red Pulp, Congestion, Focal | 3 | Red Pulp, Fibrosis, Focal | 3 | Red Pulp, Hematopoietic Cell | | Proliferation, Multifocal | 2 3 3 3 2 3 2 2 | Red Pulp, Hematopoietic Cell | | Proliferation, Multiple | 2 | Red Pulp, Inflammation, Chronic | | Active, Multifocal | | Red Pulp, Inflammation, | | Granulomatous, Multifocal | | Red Pulp, Pigmentation, Hemosiderin, | | Multifocal | 3 2 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + | __________________________________________________________________________| Skin | + | Hindlimb, Subcutaneous Tissue, | | Inflammation, Chronic Active, | | Granulomatous | | Hindlimb, Epidermis, Acanthosis, | | Multifocal | | Hindlimb, Epidermis, Hyperkeratosis, | | Multifocal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + | Congestion, Acute, Diffuse | 3 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 8| 0| 0| 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| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 2500 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| 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 | | Lens, Cataract | | Retina, Atrophy, Multifocal | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | | Cortex, Left, Cyst, Single | | __________________________________________________________________________| Urinary Bladder | + | Lumen, Calculus Gross Observation | X | Mucosa, Hyperplasia, Chronic, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 7| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| | | 0| 0| 0| 4| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 2| 0| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 2500 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| 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 | | | | | | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + | 23 | Angiectasis, Multifocal | | 1 3.0| Basophilic Focus, Multiple | X X X X X | 14 | Basophilic Focus, Single | X X | 2 | Clear Cell Focus | X | 2 | Cyst | X | 1 | Inflammation, Focal, Granulomatous | 2 2 | 2 2.0| Inflammation, Granulomatous, | | | Multifocal | 2 2 | 7 1.9| Inflammation, Multifocal, Subacute | 2 | 2 2.0| Bile Duct, Hyperplasia, Multifocal | 3 2 | 2 2.5| Hepatocyte, Degeneration, Cystic, | | | Focal | 3 | 3 2.7| __________________________________________________________________________|____________| Mesentery | M | | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + M + + + + + + +| 48 | Acinus, Atrophy, Focal | 1 2 1 | 10 1.4| Acinus, Atrophy, Multifocal | 2 2 1 1 2 2 2| 8 1.8| __________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| 49 | Bilateral, Cortex, Atrophy, Diffuse | | 1 3.0| Bilateral, Cortex, Congestion, | | | Multifocal | | 1 3.0| Bilateral, Cortex, Degeneration, | | | Diffuse, Fatty | | 1 4.0| Bilateral, Cortex, Degeneration, | | | Fatty, Multifocal | 3 2 | 3 2.3| Bilateral, Cortex, Hyperplasia, | | | Multifocal | 2 2 2 | 7 2.1| Capsule, Hyperplasia, Focal | | 1 2.0| Cortex, Cytoplasmic Alteration, Focal| 2 | 3 2.0| Cortex, Cytoplasmic Alteration, | | | Multifocal | | 1 2.0| Cortex, Degeneration, Cystic, Focal | 2 | 1 2.0| Cortex, Degeneration, Fatty, Focal | 2 2 | 7 2.3| __________________________________________________________________________________________________________________________________ * : 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 18 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 7| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| | | 0| 0| 0| 4| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 2| 0| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 2500 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| 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 | | | | | | Cortex, Degeneration, Fatty, | | | Multifocal | | 1 2.0| Cortex, Hyperplasia, Focal | 2 3| 6 2.5| Cortex, Hyperplasia, Multifocal | 2 2 | 3 2.0| Cortex, Karyomegaly, Focal | 3 | 2 2.5| Cortex, Right, Atrophy, Multifocal | | 1 3.0| Medulla, Cyst | X | 1 | Medulla, Karyomegaly, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 18 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + +| 41 | __________________________________________________________________________|____________| Islets, Pancreatic | + +| 2 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + +| 32 | Cyst, Multiple | | 1 | Pars Distalis, Cyst | | 3 | Pars Distalis, Cyst, Multiple | X X X X X | 7 | Pars Distalis, Hemorrhage, Focal | 3 | 1 3.0| Pars Distalis, Hyperplasia, Focal | | 1 3.0| Pars Distalis, Necrosis, Chronic, | | | Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | +| 2 | __________________________________________________________________________|____________| Ovary | + + + | 5 | Necrosis, Coagulative, Multifocal | | 1 4.0| Periovarian Tissue, Cyst | | 1 | Periovarian Tissue, Right, Cyst | X | 1 | Periovarian Tissue, Left, Cyst | X X | 2 | __________________________________________________________________________|____________| Uterus | + + + + + | 10 | Bilateral, Lumen, Ectasia | | 1 3.0| Cervix, Diverticulum | | 1 | Cervix, Inflammation, Chronic Active,| | | Multifocal | 4 | 1 4.0| Cervix, Prolapse, Multifocal | 3 | 1 3.0| Endometrium, Hemorrhage, Multifocal | | 1 3.0| Lumen, Hemorrhage, Focal, Subacute | | 2 4.0| Lumen, Right, Ectasia, Focal | | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 19 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 7| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| | | 0| 0| 0| 4| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 2| 0| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 2500 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| 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 | | | | | | Lumen, Right, Ectasia, Multifocal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Lymph Node | + + + + + + + M + + + + + + + + + M + + + + + + +| 47 | Inflammation, Granulomatous, | | | Multifocal | | 1 3.0| Cortex, Mandibular, Cyst, Multiple | X | 1 | Mandibular, Hemorrhage, Multifocal | 1 2 2 1| 5 1.6| Mandibular, Hyperplasia, Multifocal, | | | Plasma Cell | 3 2 2 2 3| 8 2.5| Mandibular, Inflammation, Chronic, | | | Multifocal | 2 | 1 2.0| Mandibular, Inflammation, | | | Granulomatous, Multifocal | 2 2 2 3 | 7 2.3| Mandibular, Pigmentation, | | | Hemosiderin, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + M + + + + + + +| 48 | Lymphoid Follicle, Depletion | | | Lymphoid, Multifocal | | 2 3.0| Red Pulp, Congestion, Focal | | 1 3.0| Red Pulp, Fibrosis, Focal | | 1 3.0| Red Pulp, Hematopoietic Cell | | | Proliferation, Multifocal | 2 2 2 2 2 3 3 2 3| 17 2.4| Red Pulp, Hematopoietic Cell | | | Proliferation, Multiple | | 1 2.0| Red Pulp, Inflammation, Chronic | | | Active, Multifocal | 3 | 1 3.0| Red Pulp, Inflammation, | | | Granulomatous, Multifocal | 4 | 1 4.0| Red Pulp, Pigmentation, Hemosiderin, | | | Multifocal | | 3 2.7| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + +| 9 | __________________________________________________________________________|____________| Skin | + | 2 | Hindlimb, Subcutaneous Tissue, | | | Inflammation, Chronic Active, | | | Granulomatous | 3 | 1 3.0| Hindlimb, Epidermis, Acanthosis, | | | __________________________________________________________________________________________________________________________________ * : 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: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 7| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 2| 3| 3| | | 0| 0| 0| 4| 0| 4| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 2| 0| 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 | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 2500 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| 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 | | | | | | Multifocal | 3 | 1 3.0| Hindlimb, Epidermis, Hyperkeratosis, | | | Multifocal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | | 1 | Congestion, Acute, Diffuse | | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | A + | 1 | Lens, Cataract | 4 | 1 4.0| Retina, Atrophy, Multifocal | 4 | 1 4.0| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + | 1 | Cortex, Left, Cyst, Single | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | | 1 | Lumen, Calculus Gross Observation | | 1 | Mucosa, Hyperplasia, Chronic, | | | Multifocal | | 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 21 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 7| 2| 4| 2| 2| 2| 2| 1| 3| 2| 2| 2| 2| 2| 2| 4| | 8| 8| 8| 8| 8| 8| 8| 8| 8| 1| 8| 3| 8| 8| 6| 8| 3| 8| 8| 8| 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| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 5000 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| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + A + + + + + + + + + + + + + + +| Colon, Parasite Metazoan, Single | 2 | Rectum, Parasite Metazoan, Single | 2 X | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + + A + + + + + + + + + + + + + + +| Ileum, Peyer's Patch, Hyperplasia, | | Lymphoid, Multifocal | 3 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Multifocal | 2 | Basophilic Focus, Multiple | X X X X X X X X X X X X X X X X X X X| Basophilic Focus, Single | X | Clear Cell Focus, Multiple | X | Clear Cell Focus, Single | X | Hyperplasia, Focal | 3 | Inflammation, Focal, | | Membranoproliferative | 1 | Inflammation, Granulomatous, | | Multifocal | 3 3 2 2 2 3 2 3 3 2 2 | Bile Duct, Hyperplasia, Multifocal | 2 3 2 3 | Centrilobular, Pigmentation, | | Hemosiderin, Multifocal | 3 | Hepatocyte, Necrosis, Acute, | | Multifocal | 1 | Hepatocyte, Necrosis, Multifocal | | Hepatocyte, Vacuolization | | Cytoplasmic, Multifocal | 3 4 | Hepatocyte, Centrilobular, Necrosis, | | Multifocal, Subacute | 4 | Left Lateral Lobe, Angiectasis, Focal| | Median Lobe, Atrophy, Chronic, | | Multifocal | | Periportal, Infiltration Cellular, | | Acute, Multifocal, Lymphocyte | | Sinusoid, Subserosa, Congestion, | | Acute, Multifocal | | __________________________________________________________________________| Mesentery | + | Inflammation, Granulomatous, | | Multifocal | | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 7| 2| 4| 2| 2| 2| 2| 1| 3| 2| 2| 2| 2| 2| 2| 4| | 8| 8| 8| 8| 8| 8| 8| 8| 8| 1| 8| 3| 8| 8| 6| 8| 3| 8| 8| 8| 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| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 5000 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| 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 | | | | __________________________________________________________________________| Pancreas | + + + + + + + + + A + + + + + + + + + + + + + + +| Infiltration Cellular, Multifocal, | | Lymphocyte | | Acinus, Atrophy, Focal | 2 3| Acinus, Atrophy, Multifocal | 2 2 4 | __________________________________________________________________________| Pharynx | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Forestomach, Hyperkeratosis, | | Multifocal | 3 | Forestomach, Hyperplasia, Multifocal,| | Squamous | 3 | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic Active, Multifocal | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium Left, Thrombosis, Multifocal, | | Subacute | X | Myocardium, Degeneration, Chronic, | | Multifocal | 2 2 3 2 2 2 3 2 2 3 3 2 2 2 2 1 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + I + + + + + +| Bilateral, Cortex, Degeneration, | | Fatty, Multifocal | 2 | Bilateral, Cortex, Hyperplasia, | | Multifocal | 2 | Bilateral, Medulla, Hyperplasia, | | Multifocal | | Bilateral, Medulla, Infiltration | | Cellular, Acute, Multifocal, | | Lymphocyte | | Cortex, Cytoplasmic Alteration, Focal| 2 | Cortex, Degeneration, Fatty, Focal | 2 2 2| Cortex, Degeneration, Fatty, | | Multifocal | 2 | Cortex, Hyperplasia, Focal | 2 3 2 3 2 3 2| Cortex, Hyperplasia, Multifocal | 2 | Cortex, Hypertrophy, Focal | | Medulla, Hyperplasia, Focal | | Medulla, Hyperplasia, Multifocal | 2 2 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 7| 2| 4| 2| 2| 2| 2| 1| 3| 2| 2| 2| 2| 2| 2| 4| | 8| 8| 8| 8| 8| 8| 8| 8| 8| 1| 8| 3| 8| 8| 6| 8| 3| 8| 8| 8| 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| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 5000 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| 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 | + + + + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + M + M + + + + A + + + + + + + M M + + + + + +| Hyperplasia, Glandular, Multifocal | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + A + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | Pars Distalis, Cyst, Multiple | X X X | Pars Distalis, Cyst, Single | X | Pars Distalis, Hemorrhage, Multifocal| 3 3 | Pars Distalis, Hemorrhage, | | Multifocal, Subacute | | Pars Distalis, Hyperplasia, Diffuse | 3 | Pars Distalis, Hyperplasia, Focal | 2 | Pars Distalis, Hyperplasia, | | Multifocal | 2 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + A + + + + + + + + + + + + + + +| C-Cell, Hyperplasia, Focal | 3 | C-Cell, Hyperplasia, Multifocal | 2 2 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + M M + + + M + + M + + + + + + M| Cyst | | Hyperplasia, Focal, Glandular | 2 | Inflammation, Chronic Active, Focal | | Inflammation, Multifocal, Suppurative| | __________________________________________________________________________| Ovary | + + + + + + + + + A + + + + + + + + + + + + + + +| Follicle, Cyst | | Follicle, Cyst, Multiple | X X X | Periovarian Tissue, Cyst | X | Periovarian Tissue, Left, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Lumen, Ectasia, Multifocal| 3 | Cervix, Diverticulum | | Cervix, Fibrosis, Chronic, Multifocal| | Cervix, Inflammation, Chronic Active,| | Multifocal | | Endometrium, Hyperplasia, Cystic, | | Glandular, Multifocal | 2 2 2 2 1 2 2 2 2 3 2 1 2 2 2| Lumen, Ectasia, Focal | 2 | Lumen, Ectasia, Multifocal | 3 3 3| Lumen, Right, Ectasia, Multifocal | | _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 7| 2| 4| 2| 2| 2| 2| 1| 3| 2| 2| 2| 2| 2| 2| 4| | 8| 8| 8| 8| 8| 8| 8| 8| 8| 1| 8| 3| 8| 8| 6| 8| 3| 8| 8| 8| 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| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 5000 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| 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 | | | | Lumen, Left, Ectasia, Focal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + | Neutrophilia | X | __________________________________________________________________________| Bone Marrow | + + + + + + + + + A + + + + + + + + + + + + + + +| Hyperplasia, Multifocal, Neutrophil | 2 4 | Inflammation, Granulomatous, | | Multifocal | | Myelofibrosis, Multifocal | 3 | Erythroid Cell, Hypoplasia, | | Multifocal | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mandibular, Angiectasis, Multifocal | | Mandibular, Depletion Lymphoid, | | Multifocal | 3 | Mandibular, Hemorrhage, Multifocal | 2 2 3 2 3 3 3 2 2 2 3 | Mandibular, Hyperplasia, Histiocytic,| | Multifocal | 3 | Mandibular, Hyperplasia, Lymphoid, | | Multifocal | 2 | Mandibular, Hyperplasia, Multifocal, | | Plasma Cell | 3 | Mandibular, Inflammation, Chronic, | | Multifocal | | Mandibular, Inflammation, | | Granulomatous, Multifocal | 2 2 4 | Mandibular, Pigmentation, | | Hemosiderin, Multifocal | | Mediastinal, Hemorrhage, Multifocal | 4 | Mediastinal, Inflammation, Chronic, | | Multifocal | | Mediastinal, Inflammation, | | Granulomatous, Multifocal | 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoid Follicle, Depletion | | Lymphoid, Multifocal | 4 | Red Pulp, Hematopoietic Cell | | Proliferation, Multifocal | 2 2 2 2 2 3 2 3 2 2 4 3 3 2 2 3 2| Red Pulp, Inflammation, | | Granulomatous, Multifocal | | Red Pulp, Necrosis, Acute, Multifocal| | Red Pulp, Pigmentation, Hemosiderin, | | Multifocal | 3 3 | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 7| 2| 4| 2| 2| 2| 2| 1| 3| 2| 2| 2| 2| 2| 2| 4| | 8| 8| 8| 8| 8| 8| 8| 8| 8| 1| 8| 3| 8| 8| 6| 8| 3| 8| 8| 8| 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| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 5000 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| 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 + + + + + + + + + + + +| Depletion Lymphoid, Multifocal | 3 2 2 3 3 3 2 2 2 3 3 2 2 3 2 2 2| Pigmentation, Hemosiderin, Multifocal| 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + M M + + + + + + + + + + + + + +| Acinus, Hyperplasia, Cystic, | | Multifocal | 3 3 2 3 2 2 2 2 3 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Abdominal, Ulcer, Acute, Focal | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Femur, Osteopetrosis, Multifocal | 3 3 | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + A + + + + + + + + + + + + + + | Cerebellum, Hemorrhage, Multifocal | | Cerebrum, Compression, Focal | 3 3 | Cerebrum, Hemorrhage, Focal | | Cerebrum, Perivascular Cuffing, Focal| | Medulla, Hemorrhage, Focal | 3 | Ventricle, Hydrocephalus, Multifocal | 2 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Pigmentation, Hemosiderin, Multifocal| | Alveolar Epithelium, Hyperplasia, | | Focal | 3 4 | Bronchiole, Epithelium, Hyperplasia, | | Multifocal | | Interstitium, Inflammation, Acute, | | Multifocal | 2 | Interstitium, Inflammation, Chronic, | | Focal | 1 | Interstitium, Inflammation, | | Multifocal, Subacute | | __________________________________________________________________________| Nose | + + + + + + + + + M + + + + M + + M + + + + + + M| Nasolacrimal Duct, Inflammation, | | Focal, Subacute | 2 3 | Nasolacrimal Duct, Inflammation, | | Multifocal, Subacute | 3 3 3 | Respiratory Epithelium, Degeneration,| | _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 3| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 5| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 7| 2| 4| 2| 2| 2| 2| 1| 3| 2| 2| 2| 2| 2| 2| 4| | 8| 8| 8| 8| 8| 8| 8| 8| 8| 1| 8| 3| 8| 8| 6| 8| 3| 8| 8| 8| 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| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 5000 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| 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 | | | | Multifocal | 2 2 2 2 1 2 2 2 2 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Subacute | 2 2 2 3 2 2 2 2 2 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + I + + + + + + + + +| Wall, Hemorrhage, Multifocal | 3 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | Lens, Cataract | 3 4 | Retina, Atrophy, Multifocal | 4 4 | __________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + | Inflammation, Focal, Subacute | | Inflammation, Multifocal, Subacute | 2 2 2 2 | Bilateral, Inflammation, Multifocal, | | Subacute | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + A + + + + + + + + + + + + + + +| Bilateral, Nephropathy, Chronic, | | Multifocal | 2 1 3 2 2 2 1 2 1 1 2 3 2 1 2 | Bilateral, Nephropathy, Multifocal | 1 | Cortex, Infarct, Focal | | Cortex, Inflammation, Chronic, Focal | | Cortex, Left, Cyst, Single | X | Renal Tubule, Degeneration, Acute, | | Multifocal | 3 | Renal Tubule, Hyperplasia, Focal | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + A + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Mucosa, Hyperplasia, Multifocal | | Mucosa, Hyperplasia, Multifocal, | | Squamous | 4 | Mucosa, Metaplasia, Multifocal, | | Squamous | | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Colon, Parasite Metazoan, Single | | 1 2.0| Rectum, Parasite Metazoan, Single | | 2 2.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ileum, Peyer's Patch, Hyperplasia, | | | Lymphoid, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Multifocal | | 1 2.0| Basophilic Focus, Multiple | X X X X X X X X X X X X X X X X X X X X X X X| 42 | Basophilic Focus, Single | | 1 | Clear Cell Focus, Multiple | | 1 | Clear Cell Focus, Single | X X | 3 | Hyperplasia, Focal | | 1 3.0| Inflammation, Focal, | | | Membranoproliferative | | 1 1.0| Inflammation, Granulomatous, | | | Multifocal | 2 2 3 2 2 2 2 2 2 2 2| 22 2.3| Bile Duct, Hyperplasia, Multifocal | 3 2 2| 7 2.4| Centrilobular, Pigmentation, | | | Hemosiderin, Multifocal | | 1 3.0| Hepatocyte, Necrosis, Acute, | | | Multifocal | | 1 1.0| Hepatocyte, Necrosis, Multifocal | 2 2 | 2 2.0| Hepatocyte, Vacuolization | | | Cytoplasmic, Multifocal | 3 3 3 2 | 6 3.0| Hepatocyte, Centrilobular, Necrosis, | | | Multifocal, Subacute | | 1 4.0| Left Lateral Lobe, Angiectasis, Focal| 4 | 1 4.0| Median Lobe, Atrophy, Chronic, | | | Multifocal | 3 | 1 3.0| Periportal, Infiltration Cellular, | | | Acute, Multifocal, Lymphocyte | 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 28 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 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 | | | | | | Sinusoid, Subserosa, Congestion, | | | Acute, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Inflammation, Granulomatous, | | | Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Infiltration Cellular, Multifocal, | | | Lymphocyte | 2 | 1 2.0| Acinus, Atrophy, Focal | | 2 2.5| Acinus, Atrophy, Multifocal | 2 2 3 | 6 2.5| __________________________________________________________________________|____________| Pharynx | + | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Forestomach, Hyperkeratosis, | | | Multifocal | | 1 3.0| Forestomach, Hyperplasia, Multifocal,| | | Squamous | | 1 3.0| __________________________________________________________________________|____________| Tooth | + | 1 | Peridontal Tissue, Inflammation, | | | Chronic Active, Multifocal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium Left, Thrombosis, Multifocal, | | | Subacute | | 1 | Myocardium, Degeneration, Chronic, | | | Multifocal | 2 2 2 2 2 2 3 2 2 2 3 2 2 3 1 3 3 3 3 2 2| 38 2.2| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Bilateral, Cortex, Degeneration, | | | Fatty, Multifocal | | 1 2.0| Bilateral, Cortex, Hyperplasia, | | | Multifocal | 3 | 2 2.5| Bilateral, Medulla, Hyperplasia, | | | Multifocal | 2 2 | 2 2.0| Bilateral, Medulla, Infiltration | | | Cellular, Acute, Multifocal, | | | Lymphocyte | 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 29 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 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 | | | | | | Cortex, Cytoplasmic Alteration, Focal| | 1 2.0| Cortex, Degeneration, Fatty, Focal | 3 2 2| 6 2.2| Cortex, Degeneration, Fatty, | | | Multifocal | 3 2 | 3 2.3| Cortex, Hyperplasia, Focal | 2 3 3 3 | 11 2.5| Cortex, Hyperplasia, Multifocal | 2| 2 2.0| Cortex, Hypertrophy, Focal | 3 | 1 3.0| Medulla, Hyperplasia, Focal | 2 2 | 2 2.0| Medulla, Hyperplasia, Multifocal | 2 2 2 | 5 2.0| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + +| 32 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + + + + + M + M + + M + + + I M| 39 | Hyperplasia, Glandular, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + + + + + + +| 48 | Pars Distalis, Cyst | | 2 | Pars Distalis, Cyst, Multiple | X X X | 6 | Pars Distalis, Cyst, Single | | 1 | Pars Distalis, Hemorrhage, Multifocal| 4 2 | 4 3.0| Pars Distalis, Hemorrhage, | | | Multifocal, Subacute | 3 3 | 2 3.0| Pars Distalis, Hyperplasia, Diffuse | | 1 3.0| Pars Distalis, Hyperplasia, Focal | 3 | 2 2.5| Pars Distalis, Hyperplasia, | | | Multifocal | 3 2| 4 2.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia, Focal | | 1 3.0| C-Cell, Hyperplasia, Multifocal | 2 2 2 2 1 2 2 2 2 2 2 2 2 2 | 25 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + M + + + I + + + + + + M + + + + M + + + + + M +| 40 | Cyst | X | 1 | Hyperplasia, Focal, Glandular | 2 3 | 3 2.3| Inflammation, Chronic Active, Focal | 2 | 1 2.0| Inflammation, Multifocal, Suppurative| 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 30 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 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 | | | | | | Follicle, Cyst | X X | 2 | Follicle, Cyst, Multiple | X X | 5 | Periovarian Tissue, Cyst | X X | 3 | Periovarian Tissue, Left, Cyst | X | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Lumen, Ectasia, Multifocal| | 1 3.0| Cervix, Diverticulum | X | 1 | Cervix, Fibrosis, Chronic, Multifocal| 4 | 1 4.0| Cervix, Inflammation, Chronic Active,| | | Multifocal | 2 | 1 2.0| Endometrium, Hyperplasia, Cystic, | | | Glandular, Multifocal | 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 2 3| 32 1.9| Lumen, Ectasia, Focal | | 1 2.0| Lumen, Ectasia, Multifocal | 3 4 | 5 3.2| Lumen, Right, Ectasia, Multifocal | 3| 1 3.0| Lumen, Left, Ectasia, Focal | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + | 8 | Neutrophilia | | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Multifocal, Neutrophil | 3 | 3 3.0| Inflammation, Granulomatous, | | | Multifocal | 2 | 1 2.0| Myelofibrosis, Multifocal | 4 | 2 3.5| Erythroid Cell, Hypoplasia, | | | Multifocal | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mandibular, Angiectasis, Multifocal | 2 | 1 2.0| Mandibular, Depletion Lymphoid, | | | Multifocal | | 1 3.0| Mandibular, Hemorrhage, Multifocal | 2 2 3 1 2 | 16 2.3| Mandibular, Hyperplasia, Histiocytic,| | | Multifocal | | 1 3.0| Mandibular, Hyperplasia, Lymphoid, | | | Multifocal | 3 3 | 3 2.7| Mandibular, Hyperplasia, Multifocal, | | | Plasma Cell | 3 | 2 3.0| Mandibular, Inflammation, Chronic, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 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 | | | | | | Multifocal | 3 3 2 2 | 4 2.5| Mandibular, Inflammation, | | | Granulomatous, Multifocal | 3 | 4 2.8| Mandibular, Pigmentation, | | | Hemosiderin, Multifocal | 3 | 1 3.0| Mediastinal, Hemorrhage, Multifocal | 2 | 2 3.0| Mediastinal, Inflammation, Chronic, | | | Multifocal | 4 | 1 4.0| Mediastinal, Inflammation, | | | Granulomatous, Multifocal | 2 3| 4 2.3| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoid Follicle, Depletion | | | Lymphoid, Multifocal | | 1 4.0| Red Pulp, Hematopoietic Cell | | | Proliferation, Multifocal | 3 3 3 3 2 2 3 3 3 2 2 2 3 | 30 2.5| Red Pulp, Inflammation, | | | Granulomatous, Multifocal | 4 4 | 2 4.0| Red Pulp, Necrosis, Acute, Multifocal| 4 | 1 4.0| Red Pulp, Pigmentation, Hemosiderin, | | | Multifocal | | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + M + + + + + + + + + + + + + + + +| 47 | Depletion Lymphoid, Multifocal | 2 2 2 3 2 3 3 2 3 3 3 3 3 3 3 3 3 3 3| 36 2.6| Pigmentation, Hemosiderin, Multifocal| | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + M + + + + + M +| 46 | Acinus, Hyperplasia, Cystic, | | | Multifocal | 3 2 3 3 2 3 2 3 3 2 2 2 3 3 2 3 | 27 2.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Abdominal, Ulcer, Acute, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femur, Osteopetrosis, Multifocal | 4 3 2 3 2 4 2 2 3 | 11 2.8| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cerebellum, Hemorrhage, Multifocal | 4 | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 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 | | | | | | Cerebrum, Compression, Focal | 3 3 3 2 3 | 7 2.9| Cerebrum, Hemorrhage, Focal | 2 | 1 2.0| Cerebrum, Perivascular Cuffing, Focal| 2 | 1 2.0| Medulla, Hemorrhage, Focal | | 1 3.0| Ventricle, Hydrocephalus, Multifocal | 2 2 3 | 5 2.2| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pigmentation, Hemosiderin, Multifocal| 3 | 1 3.0| Alveolar Epithelium, Hyperplasia, | | | Focal | | 2 3.5| Bronchiole, Epithelium, Hyperplasia, | | | Multifocal | 3 | 1 3.0| Interstitium, Inflammation, Acute, | | | Multifocal | | 1 2.0| Interstitium, Inflammation, Chronic, | | | Focal | | 1 1.0| Interstitium, Inflammation, | | | Multifocal, Subacute | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + M + + + + + + +| 45 | Nasolacrimal Duct, Inflammation, | | | Focal, Subacute | 3 2 2 2 2 | 7 2.3| Nasolacrimal Duct, Inflammation, | | | Multifocal, Subacute | 2 2 2 3 2 2 | 9 2.4| Respiratory Epithelium, Degeneration,| | | Multifocal | 2 2 3 2 2 2 2| 17 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Subacute | 2 3 2 2 2 2 2 2 2 2 2 2 2 2| 24 2.1| __________________________________________________________________________|____________| Trachea | + + + + + + M + + + + + + + + + + + + + + + + + +| 48 | Wall, Hemorrhage, Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 4 | Lens, Cataract | 3 | 3 3.3| Retina, Atrophy, Multifocal | 4 | 3 4.0| __________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + +| 42 | Inflammation, Focal, Subacute | 2 2 | 2 2.0| Inflammation, Multifocal, Subacute | 2 2 2 2 | 8 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 33 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| | DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 2| 7| 2| 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 4| 2| | | 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 8| 1| 8| 8| 8| 8| 8| 4| 8| 8| 8| 8| 8| 3| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 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 | 5000 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| 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 | | | | | | Bilateral, Inflammation, Multifocal, | | | Subacute | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Bilateral, Nephropathy, Chronic, | | | Multifocal | 3 2 2 3 2 1 1 1 3 2 2 1 2 3 1 1 2 1 | 33 1.8| Bilateral, Nephropathy, Multifocal | | 1 1.0| Cortex, Infarct, Focal | 3 | 1 3.0| Cortex, Inflammation, Chronic, Focal | 3 | 1 3.0| Cortex, Left, Cyst, Single | | 1 | Renal Tubule, Degeneration, Acute, | | | Multifocal | | 1 3.0| Renal Tubule, Hyperplasia, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + M + + + + + + + + + + + + + + +| 48 | Calculus Micro Observation Only | X | 1 | Mucosa, Hyperplasia, Multifocal | 2 | 1 2.0| Mucosa, Hyperplasia, Multifocal, | | | Squamous | | 1 4.0| Mucosa, Metaplasia, Multifocal, | | | Squamous | 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 34 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + A + + + + + + + + + + + + + + + + + + + + A + +| Rectum, Parasite Metazoan | 2 | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Small | + A + + + + + + + + + + + + + + + + + + + + A + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 2 2 | Angiectasis, Multifocal | 2 | Basophilic Focus | X | Basophilic Focus, Focal | X | Basophilic Focus, Multiple | X X X X X X X X | Basophilic Focus, Single | X | Clear Cell Focus | | Clear Cell Focus, Multiple | | Eosinophilic Focus, Multiple | X | Eosinophilic Focus, Single | | Hyperplasia, Focal | | Inflammation, Granulomatous, | | Multifocal | 2 2 | Mixed Cell Focus | X | Bile Duct, Hyperplasia, Chronic, | | Multifocal | | Bile Duct, Hyperplasia, Multifocal | 3 3 2 2 2 2 2 2 3 3 2 2 4 2 3 4| Bile Duct, Hyperplasia, Multifocal, | | Nodular | 3 | Hepatocyte, Cytoplasmic Alteration, | | Focal | 2 | Hepatocyte, Degeneration, Cystic, | | Focal | 2 3 2 2 2 3| Hepatocyte, Degeneration, Cystic, | | Multifocal | 1 3 2 | Hepatocyte, Necrosis, Multifocal, | | Subacute | 3 | Hepatocyte, Vacuolization | | Cytoplasmic, Multifocal | 2 3 4 | __________________________________________________________________________| Mesentery | + + M | Fat, Necrosis, Acute, Multifocal | 2 | Fat, Necrosis, Chronic, Multifocal | | __________________________________________________________________________| Pancreas | + A + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 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 | | | | Acinus, Atrophy, Focal | 1 1 | Acinus, Atrophy, Multifocal | 2 2 1 1 1 2 2 3 3 3 4 2 | Acinus, Cytoplasmic Alteration, Focal| | Duct, Ectasia, Focal | | Duct, Ectasia, Multifocal | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 2 | Acinus, Atrophy, Multifocal | | __________________________________________________________________________| Stomach | + A + + + + + + + + + + + + + + + + + + + + + + +| Forestomach, Acanthosis, Multifocal | 2 | Forestomach, Hyperkeratosis, | | Multifocal | 2 | Forestomach, Ulcer, Focal, Subacute | 3 | Forestomach, Ulcer, Multifocal, | | Subacute | 3 | Forestomach, Muscularis, | | Mineralization, Multifocal | | Glandular, Necrosis, Acute, Focal | 2 | Glandular, Ulcer, Acute, Multifocal | 2 | Glandular, Ulcer, Focal, Subacute | 3 | Muscularis, Glandular, | | Mineralization, Multifocal | | Submucosa, Glandular, Inflammation, | | Multifocal, Subacute | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Mineralization, Multifocal | | Atrium Left, Thrombosis, Single | | Myocardium, Degeneration, Chronic, | | Multifocal | 2 3 3 2 3 3 2 3 3 3 2 3 3 3 3 3 3 3 2 2 3 2| Myocardium, Degeneration, Multifocal | 2 | Myocardium, Inflammation, Chronic, | | Multifocal | | Myocardium, Mineralization, | | Multifocal | | Ventricle Left, Thrombosis, Chronic, | | Focal | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Cortex, Hyperplasia, | | Multifocal | 2 | Bilateral, Cortex, Vacuolization | | _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 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 | | | | Cytoplasmic, Multifocal | 3 | Bilateral, Medulla, Hyperplasia, | | Multifocal | | Cortex, Cytoplasmic Alteration, Focal| 1 | Cortex, Degeneration, Fatty, Focal | 2 2 2 2| Cortex, Degeneration, Fatty, | | Multifocal | 2 2 | Cortex, Hematopoietic Cell | | Proliferation, Multifocal | | Cortex, Hyperplasia, Focal | 2 2 2 2 2 | Cortex, Hyperplasia, Multifocal | | Cortex, Nuclear Alteration, Focal | 2 | Cortex, Vacuolization Cytoplasmic, | | Diffuse | 4 | Cortex, Vacuolization Cytoplasmic, | | Multifocal | 3 | Medulla, Cyst, Single | X | Medulla, Hyperplasia, Focal | 2 2 2 2 | Medulla, Hyperplasia, Multifocal | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + A + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + + + + I + M + M + + + M + +| Cytoplasmic Alteration, Focal | | Hyperplasia, Diffuse | 2 | Hyperplasia, Focal | | Hyperplasia, Multifocal | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia, Focal | 2 3 | Pars Intermedia, Cyst | X | Pars Intermedia, Cyst, Multiple | X | __________________________________________________________________________| Thyroid Gland | + A + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia, Focal | 2 2 2 | C-Cell, Hyperplasia, Multifocal | 2 2 2 2 | Follicle, Cyst | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + M + + + + + + + M + + M + +| Abscess | | _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hyperplasia, Focal, Glandular | | Hyperplasia, Glandular, Multifocal | | Infiltration Cellular, Mononuclear | | Cell, Mononuclear Cell, | | Multifocal | 3 | Inflammation, Chronic, Multifocal | 2 | Inflammation, Chronic Active, | | Multifocal | 4 3 | Inflammation, Multifocal, Subacute | 1 2 | Bilateral, Hyperplasia, Glandular, | | Multifocal | | Bilateral, Inflammation, Chronic | | Active, Multifocal | 3 2 2 2 2 2 2 2 2 2| Bilateral, Duct, Ectasia, Focal | 3 | Bilateral, Duct, Ectasia, Multifocal | | Duct, Ectasia, Multifocal | | Duct, Right, Ectasia, Diffuse | 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + M + + + + M + + + + + + + +| Inflammation, Chronic, Multifocal | 3 2 | Inflammation, Chronic, Multifocal, | | Suppurative | | Inflammation, Granulomatous, | | Multifocal | 3 | Inflammation, Multifocal, Subacute | 2 2 | Epithelium, Hyperplasia, Multifocal | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Atrophy, Multifocal | 3 | Bilateral, Interstitial Cell, | | Hyperplasia, Multifocal | 2 | Bilateral, Seminiferous Tubule, | | Atrophy, Multifocal | 3 3 3 3 4 4 4 3 3 4 3 | Interstitial Cell, Right, | | Hyperplasia, Multifocal | 2 | Interstitial Cell, Left, Hyperplasia,| | Multifocal | 3 | Seminiferous Tubule, Atrophy, | | Multifocal | 3 3 3 2 | Seminiferous Tubule, Right, Atrophy, | | Multifocal | 4 4 | Seminiferous Tubule, Left, Atrophy, | | Multifocal | 2 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + M + + + + +| _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 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 | | | | Neutrophilia | X | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + A + +| Hyperplasia, Multifocal, Neutrophil | 4 2 | Myelofibrosis, Multifocal | | Myeloid Cell, Erythroid Cell, | | Hypoplasia, Multifocal | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid, Multifocal | 3 | Mandibular, Cyst | X | Mandibular, Hemorrhage, Multifocal | 3 | Mandibular, Hyperplasia, Lymphoid, | | Multifocal | 2 2 3 | Mandibular, Infiltration Cellular, | | Multifocal, Plasma Cell | | Mandibular, Inflammation, Chronic, | | Multifocal | 2 | Mediastinal, Hemorrhage, Multifocal | 2 2 | Mediastinal, Hyperplasia, Lymphoid, | | Multifocal | | Mediastinal, Inflammation, | | Granulomatous, Multifocal | | Mediastinal, Inflammation, | | Multifocal, Subacute | | Mesenteric, Cyst | | Mesenteric, Cyst, Multiple | | Mesenteric, Hemorrhage, Multifocal | | Mesenteric, Hyperplasia, Lymphoid, | | Multifocal | 2 | Mesenteric, Inflammation, Chronic, | | Multifocal | 2 | Mesenteric, Inflammation, | | Granulomatous, Multifocal | 2 | Pancreatic, Cyst | X | Pancreatic, Hemorrhage, Multifocal | 3 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis, Diffuse, Subacute | 3 | Red Pulp, Fibrosis, Chronic, | | Multifocal | 3 | Red Pulp, Fibrosis, Focal | | Red Pulp, Fibrosis, Multifocal | | Red Pulp, Hematopoietic Cell | | Proliferation, Multifocal | 3 | Red Pulp, Pigmentation, Hemosiderin, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 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 | I + + + + + + + + + + M + + M M + + + + + + I + +| Depletion Lymphoid, Multifocal | 3 2 3 3 2 2 3 3 3 3 3 2 3 2| Artery, Mediastinum, Inflammation, | | Chronic, Multifocal, | | Proliferative | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M + + + + M + + + + + M + M + M M + M +| Acinus, Hyperplasia, Cystic, | | Multifocal | 3 3 2 2 1 2 4 2 1 3 2 3| Acinus, Hyperplasia, Multifocal | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inguinal, Ulcer, Chronic Active, | | Focal | 3 | Tail, Hyperkeratosis, Multifocal | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Femur, Osteopetrosis, Multifocal | 3 3| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebellum, Hemorrhage, Acute, | | Multifocal | 3| Cerebrum, Hemorrhage, Acute, | | Multifocal | 3| Cerebrum, Hemorrhage, Focal | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Granulomatous, | | Multifocal | | Alveolar Epithelium, Hyperplasia, | | Multifocal | 3 3 | Bronchiole, Epithelium, Hyperplasia, | | Multifocal | 2 | Interstitium, Inflammation, Chronic, | | Multifocal | | Interstitium, Metaplasia, Focal, | | Osseous | | Interstitium, Mineralization, | | Multifocal | | __________________________________________________________________________| Nose | M + + + + + + + + + + M + + + + + + + M + + M + +| Nasolacrimal Duct, Inflammation, | | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 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 | | | | Chronic, Multifocal | | Nasolacrimal Duct, Inflammation, | | Focal, Subacute | 2 2 2| Nasolacrimal Duct, Inflammation, | | Multifocal | | Nasolacrimal Duct, Inflammation, | | Multifocal, Subacute | 2 2 3 2 2 3 2 3 2 2 2 | Respiratory Epithelium, Degeneration,| | Multifocal | 1 2 2 1 3 1 2 2 2 2 1 3 2 2 1 1| Respiratory Epithelium, Inflammation,| | Chronic, Focal | 2| Respiratory Epithelium, Inflammation,| | Multifocal, Subacute | | Respiratory Epithelium, Metaplasia, | | Multifocal, Squamous | 2 | Submucosa, Olfactory Epithelium, | | Inflammation, Multifocal, | | Subacute | 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Acute, Multifocal | 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Chronic, | | Multifocal | 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal | 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Subacute | 2 3 3 3 2 2 3 3 2 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Suppurative | | __________________________________________________________________________| Trachea | + A + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + M + M + | Cornea, Inflammation, Multifocal, | | Subacute | 2 | Lens, Cataract, Multifocal | 3 3 | Retina, Atrophy, Multifocal | 4 3 3 | __________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + | Hyperplasia, Glandular, Multifocal | | __________________________________________________________________________| Zymbal's Gland | M | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 4| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 5| 6| 7| 7| 6| 7| 7| 7| 5| 7| 7| 4| 6| 6| DAY ON TEST | 9| 7| 2| 7| 2| 2| 5| 2| 2| 2| 2| 4| 5| 2| 2| 8| 2| 2| 2| 7| 2| 2| 1| 7| 5| | 8| 1| 7| 4| 7| 7| 8| 7| 7| 7| 7| 8| 6| 7| 7| 0| 7| 7| 7| 1| 7| 7| 9| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 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| | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst, Multiple | X | Bilateral, Nephropathy, Chronic, | | Multifocal | 2 3 4 3 3 3 2 4 4 4 4 1 4 4 3 4 2 4 2 4 4 2 4 2| Cortex, Cyst | X | Cortex, Cyst, Multiple | X | Cortex, Cyst, Single | X | Left, Nephropathy, Chronic, | | Multifocal | 2 | Papilla, Epithelium, Hyperplasia, | | Multifocal | | Renal Tubule, Pigmentation, | | Multifocal | 3 | __________________________________________________________________________| Urinary Bladder | + A + + + + + + + + + + + + + + M + + + + + + + +| Mucosa, Hyperplasia, Multifocal | 2 | _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + A + + +| 47 | Rectum, Parasite Metazoan | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + +| 40 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + A + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + +| 42 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + +| 41 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | 2 3 | 4 2.3| Angiectasis, Multifocal | | 1 2.0| Basophilic Focus | | 1 | Basophilic Focus, Focal | | 1 | Basophilic Focus, Multiple | X X X X X X | 14 | Basophilic Focus, Single | X | 2 | Clear Cell Focus | X | 1 | Clear Cell Focus, Multiple | X | 1 | Eosinophilic Focus, Multiple | X X | 3 | Eosinophilic Focus, Single | X | 1 | Hyperplasia, Focal | 2 | 1 2.0| Inflammation, Granulomatous, | | | Multifocal | 2 2 2 | 5 2.0| Mixed Cell Focus | | 1 | Bile Duct, Hyperplasia, Chronic, | | | Multifocal | 4 | 1 4.0| Bile Duct, Hyperplasia, Multifocal | 3 2 2 3 3 2 3 3 3 4 2 3 2 2 4 3 3 3 3| 35 2.7| Bile Duct, Hyperplasia, Multifocal, | | | Nodular | | 1 3.0| Hepatocyte, Cytoplasmic Alteration, | | | Focal | | 1 2.0| Hepatocyte, Degeneration, Cystic, | | | Focal | 2 3 2 3 | 10 2.4| Hepatocyte, Degeneration, Cystic, | | | Multifocal | 4 2 3 3 2 2 | 9 2.4| Hepatocyte, Necrosis, Multifocal, | | | Subacute | | 1 3.0| Hepatocyte, Vacuolization | | | __________________________________________________________________________________________________________________________________ * : 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: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 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 | | | | | | Cytoplasmic, Multifocal | 4 4 3 3 3| 8 3.3| __________________________________________________________________________|____________| Mesentery | + | 3 | Fat, Necrosis, Acute, Multifocal | | 1 2.0| Fat, Necrosis, Chronic, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy, Focal | | 2 1.0| Acinus, Atrophy, Multifocal | 3 2 2 2 2 2 2 2 2 2 4 3 2 2 2| 27 2.2| Acinus, Cytoplasmic Alteration, Focal| 2 2 | 2 2.0| Duct, Ectasia, Focal | 2 | 1 2.0| Duct, Ectasia, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy, Focal | | 1 2.0| Acinus, Atrophy, Multifocal | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Forestomach, Acanthosis, Multifocal | 2 | 2 2.0| Forestomach, Hyperkeratosis, | | | Multifocal | | 1 2.0| Forestomach, Ulcer, Focal, Subacute | | 1 3.0| Forestomach, Ulcer, Multifocal, | | | Subacute | | 1 3.0| Forestomach, Muscularis, | | | Mineralization, Multifocal | 4 | 1 4.0| Glandular, Necrosis, Acute, Focal | | 1 2.0| Glandular, Ulcer, Acute, Multifocal | | 1 2.0| Glandular, Ulcer, Focal, Subacute | | 1 3.0| Muscularis, Glandular, | | | Mineralization, Multifocal | 4 | 1 4.0| Submucosa, Glandular, Inflammation, | | | Multifocal, Subacute | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Mineralization, Multifocal | 2 | 1 2.0| Atrium Left, Thrombosis, Single | X X | 2 | Myocardium, Degeneration, Chronic, | | | Multifocal | 2 2 2 2 2 3 2 2 3 3 3 3 3 3 2 3 2 2 2 3 4 2 2 2| 46 2.6| Myocardium, Degeneration, Multifocal | | 1 2.0| Myocardium, Inflammation, Chronic, | | | Multifocal | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Myocardium, Mineralization, | | | Multifocal | 3 | 1 3.0| Ventricle Left, Thrombosis, Chronic, | | | Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Cortex, Hyperplasia, | | | Multifocal | 3 2 | 3 2.3| Bilateral, Cortex, Vacuolization | | | Cytoplasmic, Multifocal | | 1 3.0| Bilateral, Medulla, Hyperplasia, | | | Multifocal | 2 | 1 2.0| Cortex, Cytoplasmic Alteration, Focal| | 1 1.0| Cortex, Degeneration, Fatty, Focal | 2 | 5 2.0| Cortex, Degeneration, Fatty, | | | Multifocal | 3 2 2 | 5 2.2| Cortex, Hematopoietic Cell | | | Proliferation, Multifocal | 2 | 1 2.0| Cortex, Hyperplasia, Focal | 2 | 6 2.0| Cortex, Hyperplasia, Multifocal | 2 | 1 2.0| Cortex, Nuclear Alteration, Focal | | 1 2.0| Cortex, Vacuolization Cytoplasmic, | | | Diffuse | | 1 4.0| Cortex, Vacuolization Cytoplasmic, | | | Multifocal | 2 2 2 | 4 2.3| Medulla, Cyst, Single | | 1 | Medulla, Hyperplasia, Focal | 2 2 | 6 2.0| Medulla, Hyperplasia, Multifocal | 2 2 2 2 3 2 | 6 2.2| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 20 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + | 14 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + + + + + + + + + + M + + + + + M + +| 42 | Cytoplasmic Alteration, Focal | 3 | 1 3.0| Hyperplasia, Diffuse | | 1 2.0| Hyperplasia, Focal | 3 | 1 3.0| Hyperplasia, Multifocal | 2 3 | 2 2.5| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | Pars Distalis, Cyst | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Distalis, Hyperplasia, Focal | 2 2 3 2 1 | 7 2.1| Pars Intermedia, Cyst | X | 2 | Pars Intermedia, Cyst, Multiple | X | 2 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia, Focal | 2 2 2 | 6 2.0| C-Cell, Hyperplasia, Multifocal | 2| 5 2.0| Follicle, Cyst | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + M + + + + + + + + + + + + + + + M| 43 | Abscess | X | 1 | Hyperplasia, Focal, Glandular | 2 | 1 2.0| Hyperplasia, Glandular, Multifocal | 2 | 1 2.0| Infiltration Cellular, Mononuclear | | | Cell, Mononuclear Cell, | | | Multifocal | | 1 3.0| Inflammation, Chronic, Multifocal | | 1 2.0| Inflammation, Chronic Active, | | | Multifocal | 3 2 | 4 3.0| Inflammation, Multifocal, Subacute | | 2 1.5| Bilateral, Hyperplasia, Glandular, | | | Multifocal | 3 | 1 3.0| Bilateral, Inflammation, Chronic | | | Active, Multifocal | 2 1 2 2 2 2 2 3 2 2 2 3 2 2 2 2 3 | 27 2.1| Bilateral, Duct, Ectasia, Focal | | 1 3.0| Bilateral, Duct, Ectasia, Multifocal | 4 3 3 3 3 3 | 6 3.2| Duct, Ectasia, Multifocal | 3 | 1 3.0| Duct, Right, Ectasia, Diffuse | | 1 4.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic, Multifocal | 2 2 3 3 | 6 2.5| Inflammation, Chronic, Multifocal, | | | Suppurative | 4 3| 2 3.5| Inflammation, Granulomatous, | | | Multifocal | | 1 3.0| Inflammation, Multifocal, Subacute | | 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 46 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 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 | | | | | | Epithelium, Hyperplasia, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Atrophy, Multifocal | | 1 3.0| Bilateral, Interstitial Cell, | | | Hyperplasia, Multifocal | 2| 2 2.0| Bilateral, Seminiferous Tubule, | | | Atrophy, Multifocal | 4 4 3 3 4 3 3 4 4 3 4 4 3 3 4 3 | 27 3.4| Interstitial Cell, Right, | | | Hyperplasia, Multifocal | 2 2 2 2 2 2 2 | 8 2.0| Interstitial Cell, Left, Hyperplasia,| | | Multifocal | 2 2 2 2 | 5 2.2| Seminiferous Tubule, Atrophy, | | | Multifocal | | 4 2.8| Seminiferous Tubule, Right, Atrophy, | | | Multifocal | 4 4 4 | 5 4.0| Seminiferous Tubule, Left, Atrophy, | | | Multifocal | 4 4 2 4 | 6 3.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + +| 26 | Neutrophilia | X | 2 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Multifocal, Neutrophil | 3 3| 4 3.0| Myelofibrosis, Multifocal | 4 | 1 4.0| Myeloid Cell, Erythroid Cell, | | | Hypoplasia, Multifocal | 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Lymphoid, Multifocal | | 1 3.0| Mandibular, Cyst | X X | 3 | Mandibular, Hemorrhage, Multifocal | 3 3 | 3 3.0| Mandibular, Hyperplasia, Lymphoid, | | | Multifocal | 2 3 2 | 6 2.3| Mandibular, Infiltration Cellular, | | | Multifocal, Plasma Cell | 3 | 1 3.0| Mandibular, Inflammation, Chronic, | | | Multifocal | | 1 2.0| Mediastinal, Hemorrhage, Multifocal | 3 | 3 2.3| Mediastinal, Hyperplasia, Lymphoid, | | | Multifocal | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 47 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 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 | | | | | | Mediastinal, Inflammation, | | | Granulomatous, Multifocal | 3 | 1 3.0| Mediastinal, Inflammation, | | | Multifocal, Subacute | 3 | 1 3.0| Mesenteric, Cyst | X | 1 | Mesenteric, Cyst, Multiple | X | 1 | Mesenteric, Hemorrhage, Multifocal | 3 | 1 3.0| Mesenteric, Hyperplasia, Lymphoid, | | | Multifocal | | 1 2.0| Mesenteric, Inflammation, Chronic, | | | Multifocal | | 1 2.0| Mesenteric, Inflammation, | | | Granulomatous, Multifocal | | 1 2.0| Pancreatic, Cyst | | 1 | Pancreatic, Hemorrhage, Multifocal | | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis, Diffuse, Subacute | | 1 3.0| Red Pulp, Fibrosis, Chronic, | | | Multifocal | | 1 3.0| Red Pulp, Fibrosis, Focal | 3 2 | 2 2.5| Red Pulp, Fibrosis, Multifocal | 3 2 3| 3 2.7| Red Pulp, Hematopoietic Cell | | | Proliferation, Multifocal | 3 | 2 3.0| Red Pulp, Pigmentation, Hemosiderin, | | | Multifocal | | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + I + I I + + + + + + I + + I + + + + M +| 39 | Depletion Lymphoid, Multifocal | 3 2 3 3 3 3 3 3 3 3 3 2 2 3 3 3| 30 2.7| Artery, Mediastinum, Inflammation, | | | Chronic, Multifocal, | | | Proliferative | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M + M M + M M M M + + M + + + M + + M + M M +| 25 | Acinus, Hyperplasia, Cystic, | | | Multifocal | 3 2 3 3 3 3 3| 19 2.5| Acinus, Hyperplasia, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Skin | M + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inguinal, Ulcer, Chronic Active, | | | Focal | | 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: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 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 | | | | | | Tail, Hyperkeratosis, Multifocal | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + I + + + + + + + + + + + + + + + + + + +| 49 | Femur, Osteopetrosis, Multifocal | 3 | 3 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cerebellum, Hemorrhage, Acute, | | | Multifocal | | 1 3.0| Cerebrum, Hemorrhage, Acute, | | | Multifocal | | 1 3.0| Cerebrum, Hemorrhage, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Granulomatous, | | | Multifocal | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia, | | | Multifocal | | 2 3.0| Bronchiole, Epithelium, Hyperplasia, | | | Multifocal | | 1 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 3 2 2 2 2 3 | 6 2.3| Interstitium, Metaplasia, Focal, | | | Osseous | 1 | 1 1.0| Interstitium, Mineralization, | | | Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + M + +| 45 | Nasolacrimal Duct, Inflammation, | | | Chronic, Multifocal | 3 | 1 3.0| Nasolacrimal Duct, Inflammation, | | | Focal, Subacute | 3 | 4 2.3| Nasolacrimal Duct, Inflammation, | | | Multifocal | 2 | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Multifocal, Subacute | 2 1 2 2 2 3 2 2 3 | 20 2.2| Respiratory Epithelium, Degeneration,| | | Multifocal | 3 2 2 1 1 1 3 2 1 | 25 1.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 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 | | | | | | Respiratory Epithelium, Inflammation,| | | Chronic, Focal | | 1 2.0| Respiratory Epithelium, Inflammation,| | | Multifocal, Subacute | 2 2 | 2 2.0| Respiratory Epithelium, Metaplasia, | | | Multifocal, Squamous | 3 | 2 2.5| Submucosa, Olfactory Epithelium, | | | Inflammation, Multifocal, | | | Subacute | | 1 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Acute, Multifocal | | 1 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Chronic, | | | Multifocal | 2 2 2 | 4 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal | | 1 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Subacute | 2 2 2 2 2 2 3 2 2 | 19 2.3| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Suppurative | 3 3 | 2 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + I | 4 | Cornea, Inflammation, Multifocal, | | | Subacute | | 1 2.0| Lens, Cataract, Multifocal | | 2 3.0| Retina, Atrophy, Multifocal | | 3 3.3| __________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + | 43 | Hyperplasia, Glandular, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst, Multiple | | 1 | Bilateral, Nephropathy, Chronic, | | | Multifocal | 3 2 3 3 3 2 3 4 4 3 4 4 3 4 3 3 2 4 4 4 4 4 3 3 2| 49 3.2| __________________________________________________________________________________________________________________________________ * : 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 50 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 6| | DAY ON TEST | 1| 2| 2| 9| 2| 8| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 2| 2| 6| | | 3| 7| 7| 5| 7| 0| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 3| 2| 8| 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 | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | | 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 | | | | | | Cortex, Cyst | X X | 3 | Cortex, Cyst, Multiple | X | 2 | Cortex, Cyst, Single | X X X | 4 | Left, Nephropathy, Chronic, | | | Multifocal | | 1 2.0| Papilla, Epithelium, Hyperplasia, | | | Multifocal | 2 | 1 2.0| Renal Tubule, Pigmentation, | | | Multifocal | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Mucosa, Hyperplasia, Multifocal | | 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 51 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 4| 6| 5| 7| 5| 5| 6| 6| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 2| 2| 8| 7| 6| 9| 2| 6| 1| 2| 2| 1| 2| 3| 2| 2| 2| 2| 1| 2| 0| 2| 2| | 9| 4| 9| 9| 1| 7| 5| 2| 9| 2| 6| 5| 2| 3| 9| 6| 9| 9| 9| 9| 4| 9| 0| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5000 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| 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 | | | | __________________________________________________________________________| Intestine Large | | Colon, Mesothelium, Inflammation, | | Chronic Active, Multifocal | | Lamina Propria, Rectum, Inflammation,| | Multifocal, Subacute | | Rectum, Mesothelium, Inflammation, | | Chronic Active, Multifocal | | __________________________________________________________________________| Intestine Small | | Necrosis | | Jejunum, Inflammation, Chronic | | Active, Multifocal, Proliferative| | Jejunum, Necrosis | | Jejunum, Lamina Propria, Metaplasia, | | Multifocal, Osseous | | Jejunum, Subserosa, Diverticulum | | Mucosa, Necrosis | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus, Multiple | X X X X | Basophilic Focus, Single | X X | Clear Cell Focus, Multiple | X | Clear Cell Focus, Single | X | Eosinophilic Focus, Single | | Inflammation, Granulomatous, | | Multifocal | 2 2 1| Bile Duct, Hyperplasia, Multifocal | 2 2 3 4 3 3 3 3 2 2 3 4 | Hepatocyte, Cytoplasmic Alteration, | | Multifocal | | Hepatocyte, Degeneration, Cystic, | | Focal | 2 2 2 2 2 | Hepatocyte, Degeneration, Cystic, | | Multifocal | 2 | Hepatocyte, Vacuolization | | Cytoplasmic, Multifocal | 2 4 3 3 3 | Left Lateral Lobe, Necrosis, Acute, | | Focal | 2| __________________________________________________________________________| Mesentery | + | Inflammation, Granulomatous, | | Multifocal | 3 | __________________________________________________________________________| Pharynx | + | __________________________________________________________________________| Stomach | | Forestomach, Acanthosis, Focal | | Forestomach, Hyperkeratosis, Focal | | Glandular, Necrosis, Acute, | | Multifocal | | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 4| 6| 5| 7| 5| 5| 6| 6| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 2| 2| 8| 7| 6| 9| 2| 6| 1| 2| 2| 1| 2| 3| 2| 2| 2| 2| 1| 2| 0| 2| 2| | 9| 4| 9| 9| 1| 7| 5| 2| 9| 2| 6| 5| 2| 3| 9| 6| 9| 9| 9| 9| 4| 9| 0| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5000 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| 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 | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + | Atrium Left, Thrombosis, Chronic | X | Myocardium, Degeneration, Chronic, | | Multifocal | 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + | Cortex, Degeneration, Fatty, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | | __________________________________________________________________________| Parathyroid Gland | + | __________________________________________________________________________| Pituitary Gland | + + + + + M + + + + I + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | Pars Distalis, Cyst, Multiple | X | Pars Distalis, Hyperplasia, Focal | 2 | Pars Distalis, Karyomegaly, | | Multifocal | | Pars Intermedia, Hemorrhage, Chronic,| | Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Follicle, Cyst, Multiple | X | C-Cell, Hyperplasia, Focal | 3 2 | C-Cell, Hyperplasia, Multifocal | 2 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | | Head, Granuloma Sperm, Single | | __________________________________________________________________________| Preputial Gland | + + + | __________________________________________________________________________| Prostate | + + | Dilatation, Multifocal | 3 | Inflammation, Chronic Active, | | Multifocal | 4 | __________________________________________________________________________| Seminal Vesicle | + | Dilatation, Multifocal | 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + +| Bilateral, Seminiferous Tubule, | | Atrophy, Multifocal | 4 4 4 3 3 3 4 3| Interstitial Cell, Hyperplasia, | | Multifocal | 2 | Interstitial Cell, Right, | | _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 4| 6| 5| 7| 5| 5| 6| 6| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 2| 2| 8| 7| 6| 9| 2| 6| 1| 2| 2| 1| 2| 3| 2| 2| 2| 2| 1| 2| 0| 2| 2| | 9| 4| 9| 9| 1| 7| 5| 2| 9| 2| 6| 5| 2| 3| 9| 6| 9| 9| 9| 9| 4| 9| 0| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5000 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| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hyperplasia, Multifocal | 2 3| Interstitial Cell, Left, Hyperplasia,| | Multifocal | 2 2 | Interstitial Tissue, Hemorrhage, | | Chronic Active, Multifocal | | Interstitial Tissue, Right, | | Hemorrhage, Chronic Active, | | Multifocal | 4 | Left, Atrophy, Multifocal | 4 | Seminiferous Tubule, Atrophy, | | Multifocal | 3 4 4 | Seminiferous Tubule, Right, Atrophy, | | Multifocal | 4 4 3 | Seminiferous Tubule, Left, Atrophy, | | Multifocal | 4 4 | Vein, Ectasia, Chronic, Multifocal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Lymph Node | + + + | Inguinal, Inflammation, | | Granulomatous, Multifocal | 3 | Lumbar, Inflammation, Granulomatous, | | Multifocal | | Mediastinal, Inflammation, Chronic, | | Multifocal | | Mediastinal, Inflammation, Chronic | | Active, Multifocal | 4 | Mediastinal, Pigmentation, | | Hemosiderin, Multifocal | 3 | Mesenteric, Hemorrhage, Multifocal | | Mesenteric, Inflammation, | | Granulomatous, Multifocal | | __________________________________________________________________________| Spleen | + + + + + | Capsule, Cyst, Multiple | | Red Pulp, Fibrosis, Chronic, Focal | 2 | Red Pulp, Fibrosis, Chronic, | | Multifocal | 3 | Red Pulp, Fibrosis, Focal | | Red Pulp, Fibrosis, Multifocal | | __________________________________________________________________________| Thymus | + | Epithelial Cell, Hyperplasia, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 4| 6| 5| 7| 5| 5| 6| 6| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 2| 2| 8| 7| 6| 9| 2| 6| 1| 2| 2| 1| 2| 3| 2| 2| 2| 2| 1| 2| 0| 2| 2| | 9| 4| 9| 9| 1| 7| 5| 2| 9| 2| 6| 5| 2| 3| 9| 6| 9| 9| 9| 9| 4| 9| 0| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5000 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| 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 | + + | __________________________________________________________________________| Skin | + + + + + + + + + | Thoracic, Subcutaneous Tissue, | | Hemorrhage, Chronic Active, | | Diffuse | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + | Cerebellum, Cerebrum, Hemorrhage, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + | Interstitium, Inflammation, Chronic, | | Focal | 3 | Interstitium, Mineralization, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + M + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Focal, Subacute | | Nasolacrimal Duct, Inflammation, | | Multifocal, Subacute | 3 3 2 2 2 2 2 4 2| Respiratory Epithelium, Degeneration,| | Multifocal | 3 2 2 2 3 2 3 2 1 3 1 3 3 2 2 3 3 3 2 2 2| Submucosa, Respiratory Epithelium, | | Concretion, Multifocal | 3 | Submucosa, Respiratory Epithelium, | | Inflammation, Acute, Multifocal | 3 3 | Submucosa, Respiratory Epithelium, | | Inflammation, Focal, Subacute | 3 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Subacute | 3 3 1 2 2 2 3 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + + | Lens, Cataract, Multifocal | 3 3 | Retina, Atrophy, Multifocal | 3 4 | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 4| 6| 5| 7| 5| 5| 6| 6| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 2| 7| 2| 2| 8| 7| 6| 9| 2| 6| 1| 2| 2| 1| 2| 3| 2| 2| 2| 2| 1| 2| 0| 2| 2| | 9| 4| 9| 9| 1| 7| 5| 2| 9| 2| 6| 5| 2| 3| 9| 6| 9| 9| 9| 9| 4| 9| 0| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5000 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| 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 | + + + + | Congestion, Multifocal | | Cyst | | Polycystic Kidney | X | Bilateral, Nephropathy, Chronic, | | Multifocal | 3 4 4 4 | Bilateral, Cortex, Cyst, Multiple | X | Bilateral, Cortex, Mineralization, | | Multifocal | | Bilateral, Pelvis, Hydronephrosis, | | Multifocal | | Cortex, Cyst | | Right, Cyst | | __________________________________________________________________________| Urinary Bladder | + | Inflammation, Acute, Hemorrhagic, | | Multifocal | 4 | Mucosa, Hyperplasia, Multifocal | | Muscularis, Inflammation, Chronic | | Active, Multifocal | | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 6| 6| 4| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 2| 7| 2| 6| 2| 2| 7| 7| 6| 2| 0| 2| 1| 4| 2| 2| 0| 9| 2| 2| 2| 2| 5| 2| 2| | | 9| 7| 9| 9| 9| 9| 9| 4| 9| 9| 0| 6| 0| 2| 9| 9| 0| 0| 9| 9| 9| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 5000 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| 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 | | | | | | __________________________________________________________________________|____________| Intestine Large | + | 1 | Colon, Mesothelium, Inflammation, | | | Chronic Active, Multifocal | 3 | 1 3.0| Lamina Propria, Rectum, Inflammation,| | | Multifocal, Subacute | 3 | 1 3.0| Rectum, Mesothelium, Inflammation, | | | Chronic Active, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Small | + | 1 | Necrosis | X | 1 | Jejunum, Inflammation, Chronic | | | Active, Multifocal, Proliferative| 4 | 1 4.0| Jejunum, Necrosis | X | 1 | Jejunum, Lamina Propria, Metaplasia, | | | Multifocal, Osseous | 4 | 1 4.0| Jejunum, Subserosa, Diverticulum | X | 1 | Mucosa, Necrosis | X | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus, Multiple | X X X X X X X X | 12 | Basophilic Focus, Single | | 2 | Clear Cell Focus, Multiple | | 1 | Clear Cell Focus, Single | | 1 | Eosinophilic Focus, Single | X | 1 | Inflammation, Granulomatous, | | | Multifocal | 2 2 3 3| 7 2.1| Bile Duct, Hyperplasia, Multifocal | 3 3 3 3 3 2 2 3 2 2 3 4 3 2 2 3 3 2| 30 2.7| Hepatocyte, Cytoplasmic Alteration, | | | Multifocal | 2 2 | 2 2.0| Hepatocyte, Degeneration, Cystic, | | | Focal | 2 2 | 7 2.0| Hepatocyte, Degeneration, Cystic, | | | Multifocal | 1 3 3 2| 5 2.2| Hepatocyte, Vacuolization | | | Cytoplasmic, Multifocal | 3 3 2 | 8 2.9| Left Lateral Lobe, Necrosis, Acute, | | | Focal | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Inflammation, Granulomatous, | | | Multifocal | | 1 3.0| __________________________________________________________________________|____________| Pharynx | | 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 57 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 6| 6| 4| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 2| 7| 2| 6| 2| 2| 7| 7| 6| 2| 0| 2| 1| 4| 2| 2| 0| 9| 2| 2| 2| 2| 5| 2| 2| | | 9| 7| 9| 9| 9| 9| 9| 4| 9| 9| 0| 6| 0| 2| 9| 9| 0| 0| 9| 9| 9| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 5000 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| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach | + + | 2 | Forestomach, Acanthosis, Focal | 2 | 1 2.0| Forestomach, Hyperkeratosis, Focal | 2 | 1 2.0| Glandular, Necrosis, Acute, | | | Multifocal | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | | 2 | Atrium Left, Thrombosis, Chronic | | 1 | Myocardium, Degeneration, Chronic, | | | Multifocal | | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + | 3 | Cortex, Degeneration, Fatty, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + | 1 | __________________________________________________________________________|____________| Parathyroid Gland | | 1 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + M + + I + + + + + + + + + + + + + +| 44 | Pars Distalis, Cyst | X X | 4 | Pars Distalis, Cyst, Multiple | | 1 | Pars Distalis, Hyperplasia, Focal | 3 2 2 3 3 3| 7 2.6| Pars Distalis, Karyomegaly, | | | Multifocal | 2 | 1 2.0| Pars Intermedia, Hemorrhage, Chronic,| | | Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Bilateral, Follicle, Cyst, Multiple | | 1 | C-Cell, Hyperplasia, Focal | 3 2 | 4 2.5| C-Cell, Hyperplasia, Multifocal | 2 2 | 5 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + | 1 | Head, Granuloma Sperm, Single | 3 | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | | 3 | __________________________________________________________________________|____________| Prostate | + | 3 | Dilatation, Multifocal | | 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 58 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 6| 6| 4| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 2| 7| 2| 6| 2| 2| 7| 7| 6| 2| 0| 2| 1| 4| 2| 2| 0| 9| 2| 2| 2| 2| 5| 2| 2| | | 9| 7| 9| 9| 9| 9| 9| 4| 9| 9| 0| 6| 0| 2| 9| 9| 0| 0| 9| 9| 9| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 5000 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| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active, | | | Multifocal | 2 | 2 3.0| __________________________________________________________________________|____________| Seminal Vesicle | | 1 | Dilatation, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + +| 38 | Bilateral, Seminiferous Tubule, | | | Atrophy, Multifocal | 4 4 4 3 3 3 3 4 4 4 4 3 | 20 3.6| Interstitial Cell, Hyperplasia, | | | Multifocal | 2 2 2 | 4 2.0| Interstitial Cell, Right, | | | Hyperplasia, Multifocal | 2 | 3 2.3| Interstitial Cell, Left, Hyperplasia,| | | Multifocal | 2 2 | 4 2.0| Interstitial Tissue, Hemorrhage, | | | Chronic Active, Multifocal | 3 | 1 3.0| Interstitial Tissue, Right, | | | Hemorrhage, Chronic Active, | | | Multifocal | | 1 4.0| Left, Atrophy, Multifocal | | 1 4.0| Seminiferous Tubule, Atrophy, | | | Multifocal | 3 | 4 3.5| Seminiferous Tubule, Right, Atrophy, | | | Multifocal | 4 | 4 3.8| Seminiferous Tubule, Left, Atrophy, | | | Multifocal | 4 | 3 4.0| Vein, Ectasia, Chronic, Multifocal | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Lymph Node | + + + + + + | 9 | Inguinal, Inflammation, | | | Granulomatous, Multifocal | | 1 3.0| Lumbar, Inflammation, Granulomatous, | | | Multifocal | 3 | 1 3.0| Mediastinal, Inflammation, Chronic, | | | Multifocal | 3 | 1 3.0| Mediastinal, Inflammation, Chronic | | | Active, Multifocal | | 1 4.0| Mediastinal, Pigmentation, | | | Hemosiderin, Multifocal | | 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 59 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 6| 6| 4| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 2| 7| 2| 6| 2| 2| 7| 7| 6| 2| 0| 2| 1| 4| 2| 2| 0| 9| 2| 2| 2| 2| 5| 2| 2| | | 9| 7| 9| 9| 9| 9| 9| 4| 9| 9| 0| 6| 0| 2| 9| 9| 0| 0| 9| 9| 9| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 5000 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| 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 | | | | | | Mesenteric, Hemorrhage, Multifocal | 3 | 1 3.0| Mesenteric, Inflammation, | | | Granulomatous, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + | 14 | Capsule, Cyst, Multiple | X | 1 | Red Pulp, Fibrosis, Chronic, Focal | | 1 2.0| Red Pulp, Fibrosis, Chronic, | | | Multifocal | | 1 3.0| Red Pulp, Fibrosis, Focal | 2 | 1 2.0| Red Pulp, Fibrosis, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | | 1 | Epithelial Cell, Hyperplasia, | | | Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + | 4 | __________________________________________________________________________|____________| Skin | + + + | 12 | Thoracic, Subcutaneous Tissue, | | | Hemorrhage, Chronic Active, | | | Diffuse | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | | 1 | Cerebellum, Cerebrum, Hemorrhage, | | | Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + | 3 | Interstitium, Inflammation, Chronic, | | | Focal | | 1 3.0| Interstitium, Mineralization, | | | Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | Nasolacrimal Duct, Inflammation, | | | Focal, Subacute | 2 | 1 2.0| Nasolacrimal Duct, Inflammation, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 60 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 6| 6| 4| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 2| 7| 2| 6| 2| 2| 7| 7| 6| 2| 0| 2| 1| 4| 2| 2| 0| 9| 2| 2| 2| 2| 5| 2| 2| | | 9| 7| 9| 9| 9| 9| 9| 4| 9| 9| 0| 6| 0| 2| 9| 9| 0| 0| 9| 9| 9| 9| 9| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 5000 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| 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 | | | | | | Multifocal, Subacute | 3 3 2 2 2 2 2 2 2 2| 19 2.3| Respiratory Epithelium, Degeneration,| | | Multifocal | 3 3 3 2 2 2 2 3 3 3 2 1 2 3 2 3 3| 38 2.4| Submucosa, Respiratory Epithelium, | | | Concretion, Multifocal | | 1 3.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Acute, Multifocal | 2 | 3 2.7| Submucosa, Respiratory Epithelium, | | | Inflammation, Focal, Subacute | | 2 2.5| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Subacute | 2 2 2 2 3 2 2 2 | 23 2.1| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 4 | Lens, Cataract, Multifocal | | 2 3.0| Retina, Atrophy, Multifocal | | 2 3.5| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + | 8 | Congestion, Multifocal | 4 | 1 4.0| Cyst | X | 1 | Polycystic Kidney | | 1 | Bilateral, Nephropathy, Chronic, | | | Multifocal | 4 4 | 6 3.8| Bilateral, Cortex, Cyst, Multiple | | 1 | Bilateral, Cortex, Mineralization, | | | Multifocal | 3 | 1 3.0| Bilateral, Pelvis, Hydronephrosis, | | | Multifocal | 4 | 1 4.0| Cortex, Cyst | X | 1 | Right, Cyst | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + | 2 | Inflammation, Acute, Hemorrhagic, | | | Multifocal | | 1 4.0| Mucosa, Hyperplasia, Multifocal | 3 | 1 3.0| Muscularis, Inflammation, Chronic | | | Active, Multifocal | 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 61 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Submucosa, Inflammation, Chronic, | | Multifocal | 2 | __________________________________________________________________________| Intestine Large | + + + + + + A + + + + + + + + + + + + + A + + + +| Colon, Peyer's Patch, Hyperplasia, | | Lymphoid, Multifocal | 3 | Peyer's Patch, Rectum, Hyperplasia, | | Lymphoid, Multifocal | | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Basophilic Focus, Multiple | X X X X | Basophilic Focus, Single | X | Clear Cell Focus, Focal | | Clear Cell Focus, Multiple | X X X | Clear Cell Focus, Single | | Eosinophilic Focus | | Eosinophilic Focus, Multiple | X | Eosinophilic Focus, Single | X | Inflammation, Granulomatous, | | Multifocal | 1 | Bile Duct, Hyperplasia, Cystic, | | Multifocal | | Bile Duct, Hyperplasia, Multifocal | 2 3 2 4 2 2 3 3 2 2 4| Capsule, Hematocyst, Single | | Centrilobular, Necrosis, Acute, | | Multifocal | 3 | Hepatocyte, Cytoplasmic Alteration, | | Focal | 2 | Hepatocyte, Degeneration, Cystic, | | Focal | 2 2| Hepatocyte, Degeneration, Cystic, | | Multifocal | 2 | Hepatocyte, Necrosis, Acute, | | Multifocal | 2 1 | Hepatocyte, Necrosis, Focal | 3 | Hepatocyte, Necrosis, Multifocal | 2 | Hepatocyte, Vacuolization | | _____________________________________________________________________________________________________________________| Page 62 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 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 | | | | Cytoplasmic, Focal | 2 | Hepatocyte, Vacuolization | | Cytoplasmic, Multifocal | 1 2 4 2 | Median Lobe, Hepatocyte, | | Degeneration, Fatty, Multifocal | | __________________________________________________________________________| Mesentery | + | Necrosis, Chronic, Focal | | Fat, Necrosis | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 1 2 | Acinus, Atrophy, Multifocal | 3 2 2 2 1 1 2 3 2 | Acinus, Cytoplasmic Alteration, | | Multifocal | | Artery, Inflammation, Chronic Active,| | Multifocal | 4 | Duct, Ectasia, Multifocal | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Forestomach, Muscularis, | | Inflammation, Chronic, Multifocal| 3 | Glandular, Inflammation, Chronic, | | Multifocal | 2 | Glandular, Necrosis, Acute, | | Multifocal | | __________________________________________________________________________| Tongue | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium Left, Thrombosis | X | Atrium Left, Thrombosis, Multiple, | | Subacute | X | Myocardium, Degeneration, Chronic, | | Multifocal | 2 3 3 2 3 2 3 3 3 3 3 2 3 2 2 3 2 3 3 3 2 | Myocardium, Degeneration, Multifocal | 2 | Myocardium, Mineralization, | | Multifocal | 2 | Ventricle Left, Thrombosis, Multiple | X| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Cortex, Hematopoietic | | Cell Proliferation, Multifocal | | Bilateral, Cortex, Vacuolization | | Cytoplasmic, Multifocal | 3 | _____________________________________________________________________________________________________________________| Page 63 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 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 | | | | Cortex, Congestion, Multifocal | | Cortex, Cytoplasmic Alteration, Focal| 3 | Cortex, Degeneration, Fatty, Focal | 2 2 2 2 | Cortex, Degeneration, Fatty, | | Multifocal | 2 | Cortex, Hyperplasia, Focal | 2 2 3 | Cortex, Hyperplasia, Multifocal | | Cortex, Karyomegaly, Focal | | Cortex, Necrosis, Multifocal | 2 | Medulla, Hyperplasia, Focal | 2 2 2 | Medulla, Hyperplasia, Multifocal | 2 2 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | __________________________________________________________________________| Parathyroid Gland | + + + M + + + + + + + + + + + + + + + + M + M + +| Hyperplasia, Multifocal | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Pars Distalis, Cyst, Multiple | | Pars Distalis, Hemorrhage, Focal | 4 | Pars Distalis, Hyperplasia, Focal | 3 3 | Pars Distalis, Hyperplasia, | | Multifocal | 2 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia, Focal | 1 2 2 | C-Cell, Hyperplasia, Multifocal | 2 | Follicle, Cyst | X X | Follicle, Cyst, Multiple | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Inflammation, Chronic, | | Multifocal | | Bilateral, Inflammation, Multifocal, | | Subacute | | __________________________________________________________________________| Penis | + | Inflammation, Acute, Multifocal, | | Necrotizing | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Multifocal, Nodular, | | Squamous | 3 | _____________________________________________________________________________________________________________________| Page 64 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Inflammation, Chronic Active, | | Multifocal | 3 3 | Inflammation, Chronic Active, | | Multifocal, Necrotizing | 4 | Bilateral, Inflammation, Chronic | | Active, Multifocal | 2 2 2 2 3 2 4 2 3 2 2 3 2 3 2 2 2 2 2| Bilateral, Duct, Ectasia, Focal | 3 | Bilateral, Duct, Ectasia, Multifocal | 2 | Duct, Ectasia, Focal | 3 3| Duct, Ectasia, Multifocal | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Multifocal | 2 2 | Inflammation, Chronic Active, | | Multifocal | 3 3| Inflammation, Focal, Subacute | 2 | Inflammation, Multifocal, Subacute | | Serosa, Inflammation, Chronic, | | Multifocal | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Multifocal | 4 | Bilateral, Interstitial Cell, | | Hyperplasia, Multifocal | 2 2 | Bilateral, Seminiferous Tubule, | | Atrophy, Chronic, Multifocal | | Bilateral, Seminiferous Tubule, | | Atrophy, Multifocal | 4 4 4 4 4 4 4 3 | Interstitial Cell, Hyperplasia, | | Multifocal | | Interstitial Cell, Right, | | Hyperplasia, Multifocal | 2 | Interstitial Cell, Left, Hyperplasia,| | Focal | 3 | Interstitial Cell, Left, Hyperplasia,| | Multifocal | 2 | Seminiferous Tubule, Atrophy, | | Multifocal | 3 3 3 | Seminiferous Tubule, Right, Atrophy, | | Multifocal | 4 | Seminiferous Tubule, Left, Atrophy, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 65 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 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 | | | | Hyperplasia, Multifocal, Neutrophil | | Myeloid Cell, Erythroid Cell, | | Hypoplasia, Diffuse | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid, Multifocal | 3 | Mandibular, Cyst | | Mandibular, Depletion Lymphoid, | | Multifocal | | Mandibular, Hemorrhage, Multifocal | 2 2 | Mandibular, Hyperplasia, Lymphoid, | | Multifocal | 2 2 2 3 | Mandibular, Hyperplasia, Multifocal, | | Plasma Cell | 3 3 | Mandibular, Infiltration Cellular, | | Multifocal, Plasma Cell | 3 | Mandibular, Inflammation, Chronic, | | Multifocal | 3 | Mandibular, Inflammation, | | Granulomatous, Multifocal | 2 | Mediastinal, Hemorrhage, Multifocal | 2 | Mediastinal, Inflammation, | | Granulomatous, Multifocal | 2 2 | Mesenteric, Cyst, Multiple | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoid Follicle, Necrosis, Acute, | | Multifocal | | Red Pulp, Fibrosis, Multifocal | | Red Pulp, Hematopoietic Cell | | Proliferation, Multifocal | 3 4 2 | Red Pulp, Pigmentation, Hemosiderin, | | Multifocal | 4 | __________________________________________________________________________| Thymus | + + + + + + + + I + + + + + + + + + M + + + + + I| Depletion Lymphoid, Multifocal | 3 3 3 3 2 3 3 3 2 2 3 2 4 3 3 3 2 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M + M + M M + + M + M + + + M + M + M M M M M M| Acinus, Hyperplasia, Cystic, | | Multifocal | 2 2 2 2 3 | Acinus, Hyperplasia, Multifocal | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Abdominal, Inflammation, Chronic, | | Focal, Suppurative | 4 | Abdominal, Subcutaneous Tissue, | | Edema, Multifocal, Subacute | 3 | _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 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 | | | | Inguinal, Abscess | X | Inguinal, Subcutaneous Tissue, | | Inflammation, Chronic Active, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + M + + + +| Femur, Osteopetrosis, Multifocal | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Medulla, Cerebrum, Hemorrhage, Acute,| | Multifocal | | Third Ventricle, Hemorrhage, Focal | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion, Acute, Diffuse | 3 | Inflammation, Granulomatous, | | Multifocal | 3 | Interstitium, Inflammation, Acute, | | Focal | 2 2 | Interstitium, Inflammation, Chronic, | | Multifocal | 2 | Interstitium, Inflammation, | | Multifocal, Subacute | | Mediastinum, Inflammation, | | Granulomatous, Multifocal | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + M + + + + +| Degeneration, Multifocal | | Nasolacrimal Duct, Inflammation, | | Focal, Subacute | 2 | Nasolacrimal Duct, Inflammation, | | Multifocal, Subacute | 2 2 2 2 2 2 | Respiratory Epithelium, Degeneration,| | Multifocal | 2 3 3 3 3 3 2 3 3 2 2 2 2 2 3 3 3 3 3 3 3 3 3 1| Submucosa, Respiratory Epithelium, | | Inflammation, Acute, Focal | | Submucosa, Respiratory Epithelium, | | Inflammation, Acute, Multifocal | 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Chronic, | | Multifocal, Suppurative | | Submucosa, Respiratory Epithelium, | | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 6| 6| 5| 6| 6| 7| 6| 6| DAY ON TEST | 2| 2| 2| 6| 2| 2| 8| 2| 3| 9| 2| 2| 2| 2| 2| 2| 2| 8| 2| 9| 5| 8| 2| 7| 5| | 7| 7| 7| 5| 7| 7| 1| 7| 1| 3| 7| 7| 7| 7| 7| 7| 7| 0| 5| 7| 9| 1| 7| 4| 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| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 10000 | 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| PPM | 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 | | | | Inflammation, Focal, Subacute | 1 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Subacute | 4 3 3 2 2 2 3 3 2 | Submucosa, Respiratory Epithelium, | | Inflammation, Multifocal, | | Suppurative | 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Lens, Cataract | | Retina, Atrophy, Multifocal | | __________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + | Hyperplasia, Focal, Glandular | | Inflammation, Granulomatous, | | Multifocal | 3 | Inflammation, Multifocal, Subacute | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Nephropathy, Chronic, | | Multifocal | 4 2 2 2 3 3 3 3 2 1 3 3 2 3 3 3 4 2 2 3 2 3 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Hyperplasia, Multifocal | 2 | _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 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 | Submucosa, Inflammation, Chronic, | | | Multifocal | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | Colon, Peyer's Patch, Hyperplasia, | | | Lymphoid, Multifocal | 3 3| 3 3.0| Peyer's Patch, Rectum, Hyperplasia, | | | Lymphoid, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + M + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + M + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + M + + + + + A + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 3 | Basophilic Focus, Multiple | X X X X X X X| 11 | Basophilic Focus, Single | | 1 | Clear Cell Focus, Focal | X | 1 | Clear Cell Focus, Multiple | X | 4 | Clear Cell Focus, Single | X X X| 3 | Eosinophilic Focus | X X| 2 | Eosinophilic Focus, Multiple | X X | 3 | Eosinophilic Focus, Single | | 1 | Inflammation, Granulomatous, | | | Multifocal | 2 | 2 1.5| Bile Duct, Hyperplasia, Cystic, | | | Multifocal | 2| 1 2.0| Bile Duct, Hyperplasia, Multifocal | 3 3 4 2 2 2 2 2 2 3 2 2 | 23 2.5| Capsule, Hematocyst, Single | X | 1 | Centrilobular, Necrosis, Acute, | | | Multifocal | | 1 3.0| Hepatocyte, Cytoplasmic Alteration, | | | Focal | 2 | 2 2.0| Hepatocyte, Degeneration, Cystic, | | | Focal | 2 2 3 2 | 6 2.2| Hepatocyte, Degeneration, Cystic, | | | Multifocal | 2 | 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 69 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 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 | | | | | | Hepatocyte, Necrosis, Acute, | | | Multifocal | | 2 1.5| Hepatocyte, Necrosis, Focal | | 1 3.0| Hepatocyte, Necrosis, Multifocal | | 1 2.0| Hepatocyte, Vacuolization | | | Cytoplasmic, Focal | | 1 2.0| Hepatocyte, Vacuolization | | | Cytoplasmic, Multifocal | 3 3 3 3 4 2 | 10 2.7| Median Lobe, Hepatocyte, | | | Degeneration, Fatty, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Mesentery | + | 2 | Necrosis, Chronic, Focal | X | 1 | Fat, Necrosis | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy, Focal | 2 1 2 2 2 | 7 1.7| Acinus, Atrophy, Multifocal | 2 2 2 2 2 1 3 | 16 2.0| Acinus, Cytoplasmic Alteration, | | | Multifocal | 2 | 1 2.0| Artery, Inflammation, Chronic Active,| | | Multifocal | | 1 4.0| Duct, Ectasia, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + A + + +| 49 | Forestomach, Muscularis, | | | Inflammation, Chronic, Multifocal| | 1 3.0| Glandular, Inflammation, Chronic, | | | Multifocal | | 1 2.0| Glandular, Necrosis, Acute, | | | Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Tongue | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium Left, Thrombosis | | 1 | Atrium Left, Thrombosis, Multiple, | | | Subacute | | 1 | Myocardium, Degeneration, Chronic, | | | Multifocal | 2 3 3 3 3 3 4 2 3 2 2 3 3 3 3 3 2 3 2 3 2 3 3| 44 2.7| Myocardium, Degeneration, Multifocal | | 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 70 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Myocardium, Mineralization, | | | Multifocal | | 1 2.0| Ventricle Left, Thrombosis, Multiple | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Cortex, Hematopoietic | | | Cell Proliferation, Multifocal | 2 | 1 2.0| Bilateral, Cortex, Vacuolization | | | Cytoplasmic, Multifocal | | 1 3.0| Cortex, Congestion, Multifocal | 2 | 1 2.0| Cortex, Cytoplasmic Alteration, Focal| 2 | 2 2.5| Cortex, Degeneration, Fatty, Focal | 2 3 | 6 2.2| Cortex, Degeneration, Fatty, | | | Multifocal | | 1 2.0| Cortex, Hyperplasia, Focal | 2 2 | 5 2.2| Cortex, Hyperplasia, Multifocal | 2 | 1 2.0| Cortex, Karyomegaly, Focal | 3 | 1 3.0| Cortex, Necrosis, Multifocal | | 1 2.0| Medulla, Hyperplasia, Focal | 2 2 2 2 3 2 2 | 10 2.1| Medulla, Hyperplasia, Multifocal | 3 | 3 2.3| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + +| 33 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + +| 22 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + M + + + + + + + + + M + + + +| 44 | Hyperplasia, Multifocal | 2 2 | 2 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Cyst, Multiple | X | 1 | Pars Distalis, Hemorrhage, Focal | | 1 4.0| Pars Distalis, Hyperplasia, Focal | 2 2 3 | 5 2.6| Pars Distalis, Hyperplasia, | | | Multifocal | 3 | 5 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia, Focal | 2 2 2 | 6 1.8| C-Cell, Hyperplasia, Multifocal | 2 2 | 3 2.0| Follicle, Cyst | X X X | 5 | Follicle, Cyst, Multiple | X | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY 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 71 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Inflammation, Chronic, | | | Multifocal | 3 | 1 3.0| Bilateral, Inflammation, Multifocal, | | | Subacute | 2 | 1 2.0| __________________________________________________________________________|____________| Penis | | 1 | Inflammation, Acute, Multifocal, | | | Necrotizing | | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + M + + + + + M + + + + + + + + M + +| 47 | Hyperplasia, Multifocal, Nodular, | | | Squamous | | 1 3.0| Inflammation, Chronic Active, | | | Multifocal | 2 | 3 2.7| Inflammation, Chronic Active, | | | Multifocal, Necrotizing | | 1 4.0| Bilateral, Inflammation, Chronic | | | Active, Multifocal | 2 2 2 2 3 3 2 3 3 3 2 3 2 2 2 2 2| 36 2.3| Bilateral, Duct, Ectasia, Focal | | 1 3.0| Bilateral, Duct, Ectasia, Multifocal | 3 | 2 2.5| Duct, Ectasia, Focal | 3 | 3 3.0| Duct, Ectasia, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic, Multifocal | 3 | 3 2.3| Inflammation, Chronic Active, | | | Multifocal | | 2 3.0| Inflammation, Focal, Subacute | | 1 2.0| Inflammation, Multifocal, Subacute | 2 2 2 | 3 2.0| Serosa, Inflammation, Chronic, | | | Multifocal | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy, Multifocal | | 1 4.0| Bilateral, Interstitial Cell, | | | Hyperplasia, Multifocal | 2 2 | 4 2.0| Bilateral, Seminiferous Tubule, | | | Atrophy, Chronic, Multifocal | 4| 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 72 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 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 | | | | | | Bilateral, Seminiferous Tubule, | | | Atrophy, Multifocal | 3 4 3 4 4 4 3 4 3 4 4 4 | 20 3.8| Interstitial Cell, Hyperplasia, | | | Multifocal | 2 2 | 2 2.0| Interstitial Cell, Right, | | | Hyperplasia, Multifocal | 2 2 | 3 2.0| Interstitial Cell, Left, Hyperplasia,| | | Focal | | 1 3.0| Interstitial Cell, Left, Hyperplasia,| | | Multifocal | 2 | 2 2.0| Seminiferous Tubule, Atrophy, | | | Multifocal | | 3 3.0| Seminiferous Tubule, Right, Atrophy, | | | Multifocal | 4 4 | 3 4.0| Seminiferous Tubule, Left, Atrophy, | | | Multifocal | 4 4 4 | 4 3.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + | 16 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Multifocal, Neutrophil | 2 | 1 2.0| Myeloid Cell, Erythroid Cell, | | | Hypoplasia, Diffuse | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Depletion Lymphoid, Multifocal | | 1 3.0| Mandibular, Cyst | X | 1 | Mandibular, Depletion Lymphoid, | | | Multifocal | 2 | 1 2.0| Mandibular, Hemorrhage, Multifocal | 3 2 2 | 5 2.2| Mandibular, Hyperplasia, Lymphoid, | | | Multifocal | 3 | 5 2.4| Mandibular, Hyperplasia, Multifocal, | | | Plasma Cell | 3 3 3| 5 3.0| Mandibular, Infiltration Cellular, | | | Multifocal, Plasma Cell | | 1 3.0| Mandibular, Inflammation, Chronic, | | | Multifocal | | 1 3.0| Mandibular, Inflammation, | | | Granulomatous, Multifocal | | 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 73 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 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 | | | | | | Mediastinal, Hemorrhage, Multifocal | 3 2 2 | 4 2.3| Mediastinal, Inflammation, | | | Granulomatous, Multifocal | 2 | 3 2.0| Mesenteric, Cyst, Multiple | X | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoid Follicle, Necrosis, Acute, | | | Multifocal | 2 | 1 2.0| Red Pulp, Fibrosis, Multifocal | 1 | 1 1.0| Red Pulp, Hematopoietic Cell | | | Proliferation, Multifocal | 3 3 | 5 3.0| Red Pulp, Pigmentation, Hemosiderin, | | | Multifocal | 3 | 2 3.5| __________________________________________________________________________|____________| Thymus | + + + + M + I M + + + + + M + + + + + + + + + + +| 43 | Depletion Lymphoid, Multifocal | 2 2 2 2 2 2 3 2 3 2 3 3 3 2 2| 33 2.6| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + + + M + M M M M + M + + M + + + M M + M M M +| 22 | Acinus, Hyperplasia, Cystic, | | | Multifocal | 2 2 3 3 3 3 3 | 12 2.5| Acinus, Hyperplasia, Multifocal | 2 2| 2 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Abdominal, Inflammation, Chronic, | | | Focal, Suppurative | | 1 4.0| Abdominal, Subcutaneous Tissue, | | | Edema, Multifocal, Subacute | | 1 3.0| Inguinal, Abscess | | 1 | Inguinal, Subcutaneous Tissue, | | | Inflammation, Chronic Active, | | | Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | Femur, Osteopetrosis, Multifocal | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Medulla, Cerebrum, Hemorrhage, Acute,| | | Multifocal | 2 | 1 2.0| Third Ventricle, Hemorrhage, Focal | | 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 74 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion, Acute, Diffuse | | 1 3.0| Inflammation, Granulomatous, | | | Multifocal | | 1 3.0| Interstitium, Inflammation, Acute, | | | Focal | | 2 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 2.0| Interstitium, Inflammation, | | | Multifocal, Subacute | 2 | 1 2.0| Mediastinum, Inflammation, | | | Granulomatous, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + M + + + + + M + + + + + + + + M + +| 46 | Degeneration, Multifocal | 3 | 1 3.0| Nasolacrimal Duct, Inflammation, | | | Focal, Subacute | 2 2 3 2 3 | 6 2.3| Nasolacrimal Duct, Inflammation, | | | Multifocal, Subacute | 2 2 2 2 2 | 11 2.0| Respiratory Epithelium, Degeneration,| | | Multifocal | 2 3 3 2 3 3 3 3 2 3 3 3 3 3 1 3 2 2 | 42 2.6| Submucosa, Respiratory Epithelium, | | | Inflammation, Acute, Focal | 2 | 1 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Acute, Multifocal | | 1 2.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Chronic, | | | Multifocal, Suppurative | 3 | 1 3.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Focal, Subacute | | 1 1.0| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Subacute | 2 3 3 2 2 2 2 2 2 2 3 2 2| 22 2.4| Submucosa, Respiratory Epithelium, | | | Inflammation, Multifocal, | | | Suppurative | | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | 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 75 NTP Experiment-Test: 05052-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 2,4-DICHLOROPHENOL Date: 05/05/97 Route: DOSED FEED Time: 11:10:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 1| 4| 2| 5| 1| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 1| 2| 2| | | 7| 7| 7| 7| 7| 7| 7| 9| 5| 7| 4| 1| 7| 7| 7| 0| 7| 3| 7| 7| 7| 7| 9| 7| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS 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 | 10000 | 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 | PPM | 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 | + | 2 | Lens, Cataract | 2 | 1 2.0| Retina, Atrophy, Multifocal | 4 | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + | 36 | Hyperplasia, Focal, Glandular | 2 | 1 2.0| Inflammation, Granulomatous, | | | Multifocal | | 1 3.0| Inflammation, Multifocal, Subacute | 2 2 | 3 2.3| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | Bilateral, Nephropathy, Chronic, | | | Multifocal | 3 3 2 3 3 4 4 1 3 3 4 2 3 1 3 3 3 2 3 3 4 1 3 3| 48 2.6| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mucosa, Hyperplasia, Multifocal | | 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 76 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 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