TDMS Study 05070-01 Pathology Tables
NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 Facility: Midwest Research Institute Chemical CAS #: 25013154 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 5| 7| 7| 1| 7| 7| 7| 6| 6| 7| 7| DAY ON TEST | 3| 7| 2| 2| 1| 2| 2| 0| 2| 2| 9| 2| 4| 3| 8| 2| 2| 6| 2| 2| 2| 8| 3| 2| 1| | 0| 9| 9| 9| 3| 9| 8| 1| 9| 9| 2| 9| 5| 0| 2| 9| 9| 6| 8| 8| 8| 8| 0| 9| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + M + + + + + + +| Inflammation, Chronic Active | | Parasite Metazoan | X X| Artery, Inflammation, Chronic, Focal | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X X X| Muscularis, Atrophy, Focal | 4 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + M + + + + + + M| Parasite Metazoan | X X | Mucosa, Inflammation, Chronic Active,| | Multifocal | 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + M + + + + M + + + + + + +| Inflammation, Chronic, Diffuse | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | | Basophilic Focus | X X X | Basophilic Focus, Multiple | X X X X X X X X X| Clear Cell Focus | X | Cytomegaly, Multifocal | 3 | Cytoplasmic Alteration, Focal | | Eosinophilic Focus | | Fatty Change, Diffuse | 3 2 | Fatty Change, Multifocal | | Fibrosis, Multifocal | 2 | Granuloma, Multifocal | 2 4 3 2 1 1 2 2 2 2 2 | Hepatodiaphragmatic Nodule | X | Hepatodiaphragmatic Nodule, Multiple | X | Hyperplasia, Multifocal, Nodular | 2 | Mixed Cell Focus | X | Necrosis, Focal | 2 | Necrosis, Multifocal | 1 2 2 2 2 | Bile Duct, Hyperplasia, Focal | 2 | Bile Duct, Hyperplasia, Multifocal | 1 2 1 | Centrilobular, Atrophy, Multifocal | | Centrilobular, Degeneration, Diffuse | | Centrilobular, Fatty Change, Diffuse | 4 2 | Centrilobular, Necrosis, Multifocal | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis, Focal | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 5| 7| 7| 1| 7| 7| 7| 6| 6| 7| 7| DAY ON TEST | 3| 7| 2| 2| 1| 2| 2| 0| 2| 2| 9| 2| 4| 3| 8| 2| 2| 6| 2| 2| 2| 8| 3| 2| 1| | 0| 9| 9| 9| 3| 9| 8| 1| 9| 9| 2| 9| 5| 0| 2| 9| 9| 6| 8| 8| 8| 8| 0| 9| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Diffuse | 3 | Acinus, Atrophy, Focal | 1 | Acinus, Atrophy, Multifocal | 2 2 2 1 2 1 1 | Acinus, Hyperplasia, Focal | 3 | Artery, Inflammation, Chronic, Focal | 2 | Artery, Inflammation, Chronic Active,| | Multifocal | 2 | Interlobular, Inflammation, Chronic, | | Diffuse | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Diffuse | 4 | Inflammation, Chronic Active, Focal | 2 | Duct, Inflammation, Chronic Active, | | Focal | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + M + + + + + + +| Inflammation, Chronic Active | 3 | Ulcer, Single, Subacute | | Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Mucosa, Cyst, Multiple | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Abscess, Single | | Cardiomyopathy | 3 2 2 2 3 1 2 2 1 2 3 2 2 3 2 3 1 2| Artery, Inflammation, Chronic Active,| | Multifocal | | Atrium Left, Thrombosis | | Valve, Degeneration, Mucoid, | | Multifocal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Accessory Adrenal Cortical | | Nodule | X X | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 3 | Angiectasis, Multifocal | 2 3| Congestion | 4 3 2 | Degeneration, Diffuse, Fatty | 2 | Degeneration, Fatty, Focal | 2 2 3 3 | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 5| 7| 7| 1| 7| 7| 7| 6| 6| 7| 7| DAY ON TEST | 3| 7| 2| 2| 1| 2| 2| 0| 2| 2| 9| 2| 4| 3| 8| 2| 2| 6| 2| 2| 2| 8| 3| 2| 1| | 0| 9| 9| 9| 3| 9| 8| 1| 9| 9| 2| 9| 5| 0| 2| 9| 9| 6| 8| 8| 8| 8| 0| 9| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Degeneration, Fatty, Multifocal | 3 | Hyperplasia, Focal | 2 2 3 3 1 2 | Hypertrophy, Focal | 1 | Hypertrophy, Multifocal | | Pigmentation, Diffuse, Hemosiderin | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + M| Angiectasis, Multifocal | 2 | Hyperplasia, Focal | 1 3 3 2 | Hyperplasia, Multifocal | | Vacuolization Cytoplasmic, Diffuse | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Tissue, Focal | X | Hyperplasia, Multifocal | 3 | Hypertrophy, Focal | 2 | Hypoplasia, Diffuse | | __________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 4 3 | Pars Distalis, Angiectasis, | | Multifocal | | Pars Distalis, Cyst | 2 | Pars Distalis, Hemorrhage, Chronic, | | Focal | 3 | Pars Distalis, Hyperplasia, Focal | 3 3 | Pars Distalis, Hyperplasia | 3 | Pars Distalis, Pigmentation, Diffuse,| | Hemosiderin | | Pars Intermedia, Pigmentation, | | Diffuse, Hemosiderin | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | C-Cell, Hyperplasia, Focal | 1 | C-Cell, Hyperplasia, Multifocal | 2 2 1 1 1 2 2 2 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + M + + + + + + M| Hyperplasia | 3 | Inflammation, Acute | | Inflammation, Chronic Active | | Inflammation, Granulomatous | 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 5| 7| 7| 1| 7| 7| 7| 6| 6| 7| 7| DAY ON TEST | 3| 7| 2| 2| 1| 2| 2| 0| 2| 2| 9| 2| 4| 3| 8| 2| 2| 6| 2| 2| 2| 8| 3| 2| 1| | 0| 9| 9| 9| 3| 9| 8| 1| 9| 9| 2| 9| 5| 0| 2| 9| 9| 6| 8| 8| 8| 8| 0| 9| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Angiectasis, Multifocal | 2 | Congestion, Diffuse | | Hyperplasia | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Dilatation | 4 | Inflammation, Acute, Multifocal | | Inflammation, Chronic Active | | Endometrium, Hyperplasia, Focal | 1 | Epithelium, Hyperplasia, Diffuse | | Epithelium, Hyperplasia, Focal | | __________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + M + + + + + + +| Hyperplasia | 2| Metaplasia, Diffuse, Osseous | 3 | Myeloid Cell, Hyperplasia | 3 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Re Cell | 2 | Mediastinal, Hemorrhage | 2 3 | Pancreatic, Hemorrhage | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + M + + + M + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + M + + M + + + + + + +| Hemorrhage | 1 | Hyperplasia, Plasma Cell | | Hyperplasia, Re Cell | 2| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma, Multifocal | 2 | Hematopoietic Cell Proliferation | 2 2 1| Hyperplasia, Multifocal, Reticulum | | Cell | | Pigmentation, Hemosiderin | 2 3 2 2 3 2 | Capsule, Ectopic Tissue | | Capsule, Infiltration Cellular, | | Multifocal, Lymphocyte | 3 | __________________________________________________________________________| Thymus | + + + + + + M + + M M + M M + + + + + + + + + + +| Ectopic Parathyroid Gland | X | Hyperplasia, Diffuse, Tubular | 3 2 2 2 2 | Infiltration Cellular, | | Polymorphonuclear | | Artery, Mediastinum, Inflammation, | | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 5| 7| 7| 1| 7| 7| 7| 6| 6| 7| 7| DAY ON TEST | 3| 7| 2| 2| 1| 2| 2| 0| 2| 2| 9| 2| 4| 3| 8| 2| 2| 6| 2| 2| 2| 8| 3| 2| 1| | 0| 9| 9| 9| 3| 9| 8| 1| 9| 9| 2| 9| 5| 0| 2| 9| 9| 6| 8| 8| 8| 8| 0| 9| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Chronic Active, Multifocal | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Ectasia, Focal | | Ectasia, Multifocal | 2 2 2 3 2 2 2| Hyperplasia, Diffuse | 2 2 1 2 1 2 1 2 | Hyperplasia, Focal | | Hyperplasia, Multifocal | 2 | Inflammation, Granulomatous, | | Multifocal | 2| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + M + + + + + + +| Hyperostosis | | Osteopetrosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X X X X X X | Hemorrhage, Focal | 1 | Hemorrhage, Multifocal | | Hydrocephalus | 2 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + M + M + + + + + + + + + +| Inflammation, Acute, Focal | 2 | Inflammation, Chronic, Diffuse | 4 | Inflammation, Chronic, Focal | 4 2 3 2| Inflammation, Chronic Active, Focal | 3 1 2 3 | Submucosa, Dilatation, Multifocal | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Autolysis | 3 | Hemorrhage, Acute, Multifocal | 2 | Interstitium, Inflammation, Chronic, | | Focal | 2 | Interstitium, Inflammation, Chronic, | | Multifocal | 3 | Peribronchial, Hyperplasia, Lymphoid,| | Multifocal | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumen, Exudate | | Lumen, Foreign Body | 4 | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 5| 7| 7| 1| 7| 7| 7| 6| 6| 7| 7| DAY ON TEST | 3| 7| 2| 2| 1| 2| 2| 0| 2| 2| 9| 2| 4| 3| 8| 2| 2| 6| 2| 2| 2| 8| 3| 2| 1| | 0| 9| 9| 9| 3| 9| 8| 1| 9| 9| 2| 9| 5| 0| 2| 9| 9| 6| 8| 8| 8| 8| 0| 9| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Mucosa, Inflammation, Chronic | 4 | Mucosa, Inflammation, Chronic Active | | Mucosa, Metaplasia, Focal | 3 | Mucosa, Thrombosis, Multifocal | 3 | Nasolacrimal Duct, Exudate | 2 2 | Nasolacrimal Duct, Inflammation, | | Chronic | 2 2 2 1 | Nasolacrimal Duct, Inflammation, | | Chronic Active | 3 2 | Olfactory Epithelium, Hyperplasia, | | Eosinophil | 2 | Respiratory Epithelium, Hyperplasia | 2 1 | Respiratory Epithelium, Hyperplasia, | | Multifocal | 4 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute, Focal | 2 | Inflammation, Chronic, Focal | 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | | Retina, Degeneration | | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 4 3 3 2 2 3 2 3 4 3 4 3 3 2 2 1 4 3 3 3 1 3 1| Pigmentation, Diffuse | 1 3 1| Pigmentation, Multifocal | 2 2 1 2 2 2 1 | Cortex, Cyst | X | Cortex, Hyperplasia, Atypical, Focal | | Cortex, Inflammation, Focal, | | Suppurative | | Proximal Convoluted Renal Tubule, | | Necrosis, Multifocal | | Transitional Epithelium, | | Mineralization, Focal | | Transitional Epithelium, | | Mineralization, Multifocal | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 | 1 2.0| Parasite Metazoan | | 2 | Artery, Inflammation, Chronic, Focal | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X X | 7 | Muscularis, Atrophy, Focal | | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + M + + + + + + M + + + + + + + + + + + + + + +| 46 | Parasite Metazoan | | 2 | Mucosa, Inflammation, Chronic Active,| | | Multifocal | | 1 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic, Diffuse | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + M + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | 1 3 3 | 3 2.3| Basophilic Focus | X X X X X | 8 | Basophilic Focus, Multiple | X X X X X X X X X X | 19 | Clear Cell Focus | | 1 | Cytomegaly, Multifocal | | 1 3.0| Cytoplasmic Alteration, Focal | 3 | 1 3.0| Eosinophilic Focus | X | 1 | Fatty Change, Diffuse | 2 | 3 2.3| Fatty Change, Multifocal | 1 1 1 1 1 3 4| 7 1.7| Fibrosis, Multifocal | | 1 2.0| Granuloma, Multifocal | 1 1 1 1 2 2 2 1 | 19 1.8| Hepatodiaphragmatic Nodule | | 1 | Hepatodiaphragmatic Nodule, Multiple | | 1 | Hyperplasia, Multifocal, Nodular | | 1 2.0| Mixed Cell Focus | | 1 | Necrosis, Focal | | 1 2.0| Necrosis, Multifocal | 2 2 1| 8 1.8| Bile Duct, Hyperplasia, Focal | | 1 2.0| Bile Duct, Hyperplasia, Multifocal | 2 1 3| 6 1.7| Centrilobular, Atrophy, 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 8 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Centrilobular, Degeneration, Diffuse | 2 | 1 2.0| Centrilobular, Fatty Change, Diffuse | 4 4 | 4 3.2| Centrilobular, Necrosis, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + | 4 | Fat, Necrosis, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy, Diffuse | 4 | 2 3.5| Acinus, Atrophy, Focal | | 1 1.0| Acinus, Atrophy, Multifocal | 2 2 1 1 1 2| 13 1.5| Acinus, Hyperplasia, Focal | | 1 3.0| Artery, Inflammation, Chronic, Focal | 3 | 2 2.5| Artery, Inflammation, Chronic Active,| | | Multifocal | | 1 2.0| Interlobular, Inflammation, Chronic, | | | Diffuse | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic, Diffuse | | 1 4.0| Inflammation, Chronic Active, Focal | | 1 2.0| Duct, Inflammation, Chronic Active, | | | Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 4 3 | 3 3.3| Ulcer, Single, Subacute | 3| 1 3.0| Epithelium, Hyperplasia | 4 2| 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 3.0| Mucosa, Cyst, Multiple | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Abscess, Single | 2| 1 2.0| Cardiomyopathy | 2 2 1 3 3 3 3 2 2 2 1 2 2 2 2 2 1 2 | 36 2.1| Artery, Inflammation, Chronic Active,| | | Multifocal | 4 | 1 4.0| Atrium Left, Thrombosis | 4 2| 2 3.0| Valve, Degeneration, Mucoid, | | | Multifocal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Capsule, Accessory Adrenal Cortical | | | Nodule | X X X | 5 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | 2 | 2 2.5| Angiectasis, Multifocal | 1 2 | 4 2.0| Congestion | 3 | 4 3.0| Degeneration, Diffuse, Fatty | | 1 2.0| Degeneration, Fatty, Focal | 2 2 2 3| 8 2.4| Degeneration, Fatty, Multifocal | 2 | 2 2.5| Hyperplasia, Focal | 2 1 3 | 9 2.1| Hypertrophy, Focal | 2 4 1 | 4 2.0| Hypertrophy, Multifocal | 2 2 | 2 2.0| Pigmentation, Diffuse, Hemosiderin | 3 2| 2 2.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | Angiectasis, Multifocal | | 1 2.0| Hyperplasia, Focal | 2 | 5 2.2| Hyperplasia, Multifocal | 2 2| 2 2.0| Vacuolization Cytoplasmic, Diffuse | 2 | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectopic Tissue, Focal | | 1 | Hyperplasia, Multifocal | 2 | 2 2.5| Hypertrophy, Focal | 1 | 2 1.5| Hypoplasia, Diffuse | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + M + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis, Focal | 2 3 | 4 3.0| Pars Distalis, Angiectasis, | | | Multifocal | 1 4| 2 2.5| Pars Distalis, Cyst | 3 2 2 3 | 5 2.4| Pars Distalis, Hemorrhage, Chronic, | | | Focal | | 1 3.0| Pars Distalis, Hyperplasia, Focal | 3 | 3 3.0| Pars Distalis, Hyperplasia | | 1 3.0| Pars Distalis, Pigmentation, Diffuse,| | | Hemosiderin | 2 | 1 2.0| Pars Intermedia, Pigmentation, | | | Diffuse, Hemosiderin | 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 10 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X 1 | 2 1.0| C-Cell, Hyperplasia, Focal | 3 | 2 2.0| C-Cell, Hyperplasia, Multifocal | 2 2 3 2 2 2 2 2 2 2 2 3 | 21 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 3 4 | 3 3.3| Inflammation, Acute | 2 2 | 2 2.0| Inflammation, Chronic Active | 4 | 1 4.0| Inflammation, Granulomatous | 4 | 2 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Multifocal | | 1 2.0| Congestion, Diffuse | 2 | 1 2.0| Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 4.0| Dilatation | | 1 4.0| Inflammation, Acute, Multifocal | 4 | 1 4.0| Inflammation, Chronic Active | 4 | 1 4.0| Endometrium, Hyperplasia, Focal | | 1 1.0| Epithelium, Hyperplasia, Diffuse | 2 | 1 2.0| Epithelium, Hyperplasia, Focal | 2 3 | 2 2.5| __________________________________________________________________________|____________| Vagina | + | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 | 2 2.0| Metaplasia, Diffuse, Osseous | | 1 3.0| Myeloid Cell, Hyperplasia | 4 4 2 2 | 6 2.8| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Re Cell | | 1 2.0| Mediastinal, Hemorrhage | 3 4| 4 3.0| Pancreatic, Hemorrhage | 4| 1 4.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | M + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________________________________________________________________ * : 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: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hyperplasia, Plasma Cell | | 2 2.5| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + M + + + + + + + + + + + + + + + + + + + + + +| 47 | Hemorrhage | 2 4| 3 2.3| Hyperplasia, Plasma Cell | 2 | 1 2.0| Hyperplasia, Re Cell | 2 2 2 | 4 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma, Multifocal | | 1 2.0| Hematopoietic Cell Proliferation | 4 3 | 5 2.4| Hyperplasia, Multifocal, Reticulum | | | Cell | 2 | 1 2.0| Pigmentation, Hemosiderin | 1 2 2 3 2 | 11 2.2| Capsule, Ectopic Tissue | X | 1 | Capsule, Infiltration Cellular, | | | Multifocal, Lymphocyte | | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + M M + M + M M + M + + + + M + + + + + + + +| 38 | Ectopic Parathyroid Gland | | 1 | Hyperplasia, Diffuse, Tubular | 2 | 6 2.2| Infiltration Cellular, | | | Polymorphonuclear | 4 | 1 4.0| Artery, Mediastinum, Inflammation, | | | Chronic Active, Multifocal | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| 48 | Ectasia, Focal | 2 2 | 2 2.0| Ectasia, Multifocal | 2 2 2 2 1 | 12 2.0| Hyperplasia, Diffuse | 2 1 2 2 2 3 | 14 1.8| Hyperplasia, Focal | 2 | 1 2.0| Hyperplasia, Multifocal | 2 1 1 | 4 1.5| Inflammation, Granulomatous, | | | Multifocal | 2 | 2 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperostosis | 3 | 1 3.0| Osteopetrosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 12 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | X X X X | 11 | Hemorrhage, Focal | 3 | 2 2.0| Hemorrhage, Multifocal | 4 | 1 4.0| Hydrocephalus | | 2 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + M + + + + + + M + + + + + + + + + + + + + + +| 46 | Inflammation, Acute, Focal | | 1 2.0| Inflammation, Chronic, Diffuse | | 1 4.0| Inflammation, Chronic, Focal | | 4 2.8| Inflammation, Chronic Active, Focal | 3 3 2 3 3 3 | 10 2.6| Submucosa, Dilatation, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Autolysis | | 1 3.0| Hemorrhage, Acute, Multifocal | | 1 2.0| Interstitium, Inflammation, Chronic, | | | Focal | 2 | 2 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | | 1 3.0| Peribronchial, Hyperplasia, Lymphoid,| | | Multifocal | 2 | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lumen, Exudate | 1 | 1 1.0| Lumen, Foreign Body | 1 | 2 2.5| Mucosa, Inflammation, Chronic | 1 | 2 2.5| Mucosa, Inflammation, Chronic Active | 1 | 1 1.0| Mucosa, Metaplasia, Focal | | 1 3.0| Mucosa, Thrombosis, Multifocal | 3| 2 3.0| Nasolacrimal Duct, Exudate | 1 1 1| 5 1.4| Nasolacrimal Duct, Inflammation, | | | Chronic | 1 1 1 3 1 2 1 1 1 | 13 1.5| Nasolacrimal Duct, Inflammation, | | | Chronic Active | 3 2 1| 5 2.2| Olfactory Epithelium, Hyperplasia, | | | Eosinophil | 1 | 2 1.5| Respiratory Epithelium, Hyperplasia | 2 1 1 1 1 | 7 1.3| Respiratory Epithelium, Hyperplasia, | | | Multifocal | | 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 13 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 5| 7| 6| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 2| 5| | | 1| 1| 4| 1| 1| 3| 1| 0| 0| 0| 3| 8| 1| 1| 1| 1| 1| 1| 0| 0| 5| 8| 0| 9| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute, Focal | | 1 2.0| Inflammation, Chronic, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Cataract | 3 | 1 3.0| Retina, Degeneration | 4 | 1 4.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 4 3 2 3 4 4 2 3 3 3 3 2 2 4 2 4 2 3 2 3 3 1 2| 46 2.7| Pigmentation, Diffuse | 3 4 3 3 2| 8 2.5| Pigmentation, Multifocal | 1 2 2 1 | 11 1.6| Cortex, Cyst | | 1 | Cortex, Hyperplasia, Atypical, Focal | 3 2 | 2 2.5| Cortex, Inflammation, Focal, | | | Suppurative | 1 | 1 1.0| Proximal Convoluted Renal Tubule, | | | Necrosis, Multifocal | 2 2| 2 2.0| Transitional Epithelium, | | | Mineralization, Focal | 2 | 1 2.0| Transitional Epithelium, | | | Mineralization, Multifocal | 2 3 2 | 3 2.3| __________________________________________________________________________|____________| Urinary Bladder | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + M + M + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + M + + + + + + + + + + + M + + + + + + + + +| Inflammation, Chronic | | Parasite Metazoan | X X X X | __________________________________________________________________________| Intestine Large, Colon | + + + + M + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X X | __________________________________________________________________________| Intestine Large, Rectum | + + + M M + + + + + M + + + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Fibrosis, Focal | 2 | __________________________________________________________________________| Intestine Small, Ileum | + + + M + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small, Jejunum | + + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 3 2 | Angiectasis, Multifocal | 3 | Basophilic Focus | X X X X X X| Basophilic Focus, Multiple | X X X X X X X X | Cytomegaly, Multifocal | | Cytoplasmic Alteration, Focal | 2 | Fatty Change, Focal | 2 2 | Fatty Change, Multifocal | 1 | Granuloma, Multifocal | 1 2 3 2 2 1| Hemorrhage, Acute, Multifocal | | Hepatodiaphragmatic Nodule | X X X | Hyperplasia, Multifocal, Nodular | 1 | Inflammation, Chronic, Multifocal | 2 | Mitotic Alteration | | Mixed Cell Focus | X X| Mixed Cell Focus, Two | X | Necrosis, Multifocal | 1 2 2 | Bile Duct, Hyperplasia, Multifocal | 1 3 | Centrilobular, Fatty Change, Diffuse | 4 4 3 | Centrilobular, Fatty Change, | | Multifocal | | Centrilobular, Necrosis, Diffuse | 2 | Centrilobular, Necrosis, Multifocal | 1 | Portal, Inflammation, Chronic, | | Multifocal | | __________________________________________________________________________| Mesentery | | Artery, Inflammation, Multifocal, | | Necrotizing | | _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Fat, Inflammation, Focal, Necrotizing| | Fat, Necrosis, Focal | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal, Granulomatous | | Acinus, Atrophy, Focal | 2 | Acinus, Atrophy, Multifocal | 2 2 3 2 2 | Duct, Cyst, Multiple | | __________________________________________________________________________| Pharynx | | Mucosa, Palate, Inflammation, | | Chronic, Diffuse | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + +| Parotid Gland, Inflammation, Chronic | | Active, Focal | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + M + + + + + + + + +| Inflammation, Chronic Active | | Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tongue | + | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic, Diffuse | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 2 3 2 1 3 2 2 2 1 1 3 2 2 1 2 2 1 1 2 2 2| Artery, Inflammation, Chronic Active,| | Focal | | Atrium Left, Thrombosis | | Epicardium, Inflammation, Chronic | | Active, Focal | | Myocardium, Degeneration, Focal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Capsule, Fibrosis, | | Multifocal | | Capsule, Accessory Adrenal Cortical | | Nodule | X X X X | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Multifocal | 3 2| Atrophy | | Congestion | 2 | Degeneration, Diffuse, Fatty | 3 | _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Degeneration, Fatty, Focal | 2 2 4 2 3 | Degeneration, Fatty, Multifocal | 3 | Hyperplasia, Focal | | Hyperplasia, Multifocal | | Hypertrophy, Focal | | Hypertrophy, Multifocal | 3 | Pigmentation, Diffuse, Hemosiderin | | Pigmentation, Hemosiderin, Multifocal| | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + M + + + + M M + + M + + + +| Angiectasis, Multifocal | 3 | Hyperplasia, Focal | 1 2 2 2 | Hyperplasia, Multifocal | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 1 3 2 | Hypertrophy, Focal | | __________________________________________________________________________| Parathyroid Gland | M M + + + M + + + + + + + M M + + + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 2| Pars Distalis, Concretion | | Pars Distalis, Cyst | 3 4 | Pars Distalis, Hyperplasia, Focal | 3| Pars Distalis, Hyperplasia | 3 | Pars Distalis, Hyperplasia, | | Multifocal | | Pars Nervosa, Pigmentation, Diffuse | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | C-Cell, Hyperplasia, Focal | 2 2 | C-Cell, Hyperplasia, Multifocal | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + M M M + + + + + + + + + + + + + + + + + + + +| Atrophy | | Ectasia | 2 | Hyperplasia | | Inflammation, Acute | | Inflammation, Chronic Active | 2 | Inflammation, Granulomatous | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion, Diffuse | 2 | Cyst | X X | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis, Focal | 2 | Cyst | | Dilatation | 2 | Inflammation, Chronic Active | | Epithelium, Hyperplasia, Diffuse | 2 | Epithelium, Hyperplasia, Focal | 4 | Lumen, Hemorrhage | | __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | Hyperplasia, Megakaryocyte | | Hyperplasia | | Myeloid Cell, Hyperplasia | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Re Cell | 2 | Mediastinal, Pigmentation, Diffuse, | | Hemosiderin | | Pancreatic, Pigmentation, Hemosiderin| | Renal, Hyperplasia, Plasma Cell | 3 | Renal, Hyperplasia, Re Cell | 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 4 | Hyperplasia, Re Cell | | Artery, Inflammation, Chronic Active,| | Focal | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + M M + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia, Re Cell | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | 2 | Fibrosis, Multifocal | 3 | Hematopoietic Cell Proliferation | 2 3 | Pigmentation, Hemosiderin | 1 2 2 2 2 2 2 2| __________________________________________________________________________| Thymus | + + M M + + + + + + M + + + + + + + + + + + M M +| Hyperplasia, Diffuse, Tubular | 3 2 3 2 3 2 2 3 2 2| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Ectasia, Diffuse | 3 | Ectasia, Focal | 4 4 | Ectasia, Multifocal | 3 1 3 2 3 2 2 3 | Hyperplasia, Diffuse | 4 1 2 3 2 2 3 3 2 | Hyperplasia, Focal | 4 | Artery, Inflammation, Chronic Active,| | Focal | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal, Squamous | 4 | Inflammation, Chronic Active, Focal | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | Osteopetrosis | 4 3 3 | __________________________________________________________________________| Skeletal Muscle | | Inflammation, Diffuse, Proliferative | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X X X X X 4 X X X | Hydrocephalus | 3 2 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + M M + + + + + M + + + + M + + + + + + + + +| Hyperplasia, Focal, Papillary | | Inflammation, Acute, Diffuse | | Inflammation, Chronic, Focal | 1 | Inflammation, Chronic Active, Focal | 2 1 1 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Atelectasis, Focal | 1| Inflammation, Chronic, Multifocal | 3 | Alveolar Epithelium, Hyperplasia, | | Focal | 3 | Bronchiole, Alveolus, Inflammation, | | Acute, Multifocal | 3 | Interstitium, Inflammation, Chronic, | | Multifocal | | Pleura, Inflammation, Multifocal, | | Subacute | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumen, Exudate | | Lumen, Foreign Body | | Mucosa, Inflammation, Acute | | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Mucosa, Inflammation, Chronic | | Mucosa, Inflammation, Chronic Active | 1 | Nasolacrimal Duct, Exudate | 3 1 | Nasolacrimal Duct, Inflammation, | | Chronic | 1 2 1 1 1 2 1 1 1| Nasolacrimal Duct, Inflammation, | | Chronic Active | 3 | Olfactory Epithelium, Atrophy | | Olfactory Epithelium, Cyst | 2 1 2 1 1 1 1 1 | Olfactory Epithelium, Erosion | 2 2 2 | Olfactory Epithelium, Hyperplasia, | | Eosinophil | 2 1 1 2 1 2 1| Respiratory Epithelium, Cyst | 1 1 1 | Respiratory Epithelium, Hyperplasia, | | Eosinophil | 1 2 1 | Respiratory Epithelium, Hyperplasia | 1 2 3 1 2 3 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | Cataract | 4 | Bilateral, Cataract | 3 | Retina, Degeneration | 4 | __________________________________________________________________________| Harderian Gland | + | Inflammation, Chronic, Multifocal | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | | Nephropathy, Chronic | 2 3 2 2 4 2 1 3 1 1 3 1 3 3 1 3 3 3 1 4 2| Pigmentation, Diffuse | 3 2 2 3 2 2 | Pigmentation, Multifocal | 3 1 2 | Bilateral, Hydronephrosis | 2 | Cortex, Hyperplasia, Atypical, Focal | 1 | Cortex, Mineralization, Multifocal | | Corticomedullary Junction, | | Mineralization, Multifocal | 1 | Pelvis, Inflammation, Diffuse, | | Suppurative | 3 | Transitional Epithelium, Hyperplasia | 2 | Transitional Epithelium, | | Mineralization, Focal | | Transitional Epithelium, | | Mineralization, Multifocal | 1 | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 4| 7| 7| 7| 7| 7| 4| 6| 7| 7| 6| 4| 7| 6| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 9| 3| 3| 4| 1| 3| 3| 3| 3| 3| 5| 0| 1| 3| 8| 9| 3| 9| 3| 3| 3| 8| 0| 3| 3| | 0| 1| 1| 4| 4| 1| 1| 1| 0| 0| 6| 6| 4| 1| 1| 9| 1| 7| 1| 1| 0| 3| 9| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + M + + + + + + + + + + + + + +| Ectasia | 3 4 | Inflammation, Chronic, Diffuse | 2 | Artery, Inflammation, Chronic Active,| | Multifocal | | Transitional Epithelium, Hyperplasia,| | Focal | | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + M + M +| 46 | Inflammation, Chronic | 1 | 1 1.0| Parasite Metazoan | X X X X| 8 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X X X X X | 9 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + M + + + + + + + + + + + + + + + + + + +| 46 | Parasite Metazoan | X| 3 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Muscularis, Fibrosis, Focal | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | 2 | 3 2.3| Angiectasis, Multifocal | | 1 3.0| Basophilic Focus | X | 7 | Basophilic Focus, Multiple | X X X X X X| 14 | Cytomegaly, Multifocal | 1 | 1 1.0| Cytoplasmic Alteration, Focal | | 1 2.0| Fatty Change, Focal | | 2 2.0| Fatty Change, Multifocal | 1 2 1 | 4 1.3| Granuloma, Multifocal | 1 2 1 1 2 1 1 4 | 14 1.7| Hemorrhage, Acute, Multifocal | 2 | 1 2.0| Hepatodiaphragmatic Nodule | X X X | 6 | Hyperplasia, Multifocal, Nodular | 3 | 2 2.0| Inflammation, Chronic, Multifocal | | 1 2.0| Mitotic Alteration | 3 | 1 3.0| Mixed Cell Focus | X | 3 | Mixed Cell Focus, Two | | 1 | Necrosis, Multifocal | 2 3 | 5 2.0| Bile Duct, Hyperplasia, Multifocal | 2 3 2 2 | 6 2.2| Centrilobular, Fatty Change, Diffuse | 4 3 | 5 3.6| Centrilobular, Fatty Change, | | | Multifocal | 2 | 1 2.0| Centrilobular, Necrosis, Diffuse | | 1 2.0| Centrilobular, Necrosis, Multifocal | 2 2 | 3 1.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 22 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Portal, Inflammation, Chronic, | | | Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + + + | 5 | Artery, Inflammation, Multifocal, | | | Necrotizing | 4 | 1 4.0| Fat, Inflammation, Focal, Necrotizing| 4 | 1 4.0| Fat, Necrosis, Focal | 3 3 3 3 | 4 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + M + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Focal, Granulomatous | 1 | 1 1.0| Acinus, Atrophy, Focal | 2 | 2 2.0| Acinus, Atrophy, Multifocal | 2 2 3 | 8 2.3| Duct, Cyst, Multiple | 2 | 1 2.0| __________________________________________________________________________|____________| Pharynx | + | 1 | Mucosa, Palate, Inflammation, | | | Chronic, Diffuse | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + M + + + + + + + + + + + +| 47 | Parotid Gland, Inflammation, Chronic | | | Active, Focal | | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 3 | 1 3.0| Epithelium, Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Tongue | | 1 | __________________________________________________________________________|____________| Tooth | + | 1 | Peridontal Tissue, Inflammation, | | | Chronic, Diffuse | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 2 3 2 2 2 2 1 1 3 2 2 2 2 1 1 2 1| 40 1.9| Artery, Inflammation, Chronic Active,| | | Focal | 3 | 1 3.0| Atrium Left, Thrombosis | 3 2 | 2 2.5| Epicardium, Inflammation, Chronic | | | Active, Focal | 2 | 1 2.0| Myocardium, Degeneration, Focal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 23 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Capsule, Fibrosis, | | | Multifocal | 2 | 1 2.0| Capsule, Accessory Adrenal Cortical | | | Nodule | X | 5 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Multifocal | 3 3 | 4 2.8| Atrophy | 2 | 1 2.0| Congestion | 2 | 2 2.0| Degeneration, Diffuse, Fatty | | 1 3.0| Degeneration, Fatty, Focal | 3 1 4 | 8 2.6| Degeneration, Fatty, Multifocal | | 1 3.0| Hyperplasia, Focal | 3 1| 2 2.0| Hyperplasia, Multifocal | 2 | 1 2.0| Hypertrophy, Focal | 2 | 1 2.0| Hypertrophy, Multifocal | | 1 3.0| Pigmentation, Diffuse, Hemosiderin | 2 | 1 2.0| Pigmentation, Hemosiderin, Multifocal| 3 | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + M + + + + + + +| 45 | Angiectasis, Multifocal | | 1 3.0| Hyperplasia, Focal | 2 | 5 1.8| Hyperplasia, Multifocal | 2 1 | 3 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + M + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Focal | 2 | 4 2.0| Hypertrophy, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + + + + + + + M + + + + + + + M| 41 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis, Focal | 3 | 2 2.5| Pars Distalis, Concretion | 2 | 1 2.0| Pars Distalis, Cyst | X 2 2 3 2 X 2 3 | 10 2.6| Pars Distalis, Hyperplasia, Focal | 2 | 2 2.5| Pars Distalis, Hyperplasia | | 1 3.0| Pars Distalis, Hyperplasia, | | | Multifocal | 2 | 1 2.0| Pars Nervosa, Pigmentation, Diffuse | 3 | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 | C-Cell, Hyperplasia, Focal | 2 | 3 2.0| C-Cell, Hyperplasia, Multifocal | 1 2 2 2 2 | 7 1.6| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| 46 | Atrophy | 3 | 1 3.0| Ectasia | 3 3 3 | 4 2.8| Hyperplasia | 4 3 4 | 3 3.7| Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 2 2.0| Inflammation, Granulomatous | 2 2 3| 3 2.3| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion, Diffuse | | 1 2.0| Cyst | X | 3 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenomyosis, Focal | | 1 2.0| Cyst | 1 | 1 1.0| Dilatation | 3 | 2 2.5| Inflammation, Chronic Active | 4 | 1 4.0| Epithelium, Hyperplasia, Diffuse | | 1 2.0| Epithelium, Hyperplasia, Focal | | 1 4.0| Lumen, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 4.0| Hyperplasia, Megakaryocyte | 3 | 1 3.0| Hyperplasia | 2 3 | 2 2.5| Myeloid Cell, Hyperplasia | 2 | 2 2.5| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mediastinal, Hemorrhage | 3 3 3 | 3 3.0| Mediastinal, Hyperplasia, Re Cell | | 1 2.0| Mediastinal, Pigmentation, Diffuse, | | | Hemosiderin | 3 | 1 3.0| Pancreatic, Pigmentation, Hemosiderin| 3 | 1 3.0| Renal, Hyperplasia, Plasma Cell | | 1 3.0| Renal, Hyperplasia, Re Cell | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + M + + + + M + + + + + + + + + + + + +| 47 | Edema | | 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 25 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hyperplasia, Lymphoid | 3 | 1 3.0| Hyperplasia, Plasma Cell | 2 3 3 | 5 3.0| Hyperplasia, Re Cell | 2 | 1 2.0| Artery, Inflammation, Chronic Active,| | | Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | M + + + + + + + + + + + + + M + + + + + + + + + +| 46 | Hemorrhage | 3 | 2 3.0| Hyperplasia, Re Cell | 2 2 | 3 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Focal | 3 | 2 2.5| Fibrosis, Multifocal | | 1 3.0| Hematopoietic Cell Proliferation | 2 2 2 | 5 2.2| Pigmentation, Hemosiderin | 2 2 2 3 2 3 2 | 15 2.1| __________________________________________________________________________|____________| Thymus | + + + + + + + M M + + + M + + M + + + + + M M M M| 37 | Hyperplasia, Diffuse, Tubular | 2 3 2 2 | 14 2.4| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ectasia, Diffuse | | 1 3.0| Ectasia, Focal | | 2 4.0| Ectasia, Multifocal | 2 3 2 2 2 2 1 | 15 2.2| Hyperplasia, Diffuse | 3 2 3 4 2 2 | 15 2.5| Hyperplasia, Focal | 2 | 2 3.0| Artery, Inflammation, Chronic Active,| | | Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Focal, Squamous | | 1 4.0| Inflammation, Chronic Active, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 2 2 | 2 2.0| Osteopetrosis | 2 3 | 5 3.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Inflammation, Diffuse, Proliferative | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | X X X X X X | 16 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 26 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | Hydrocephalus | 2 2 | 5 2.4| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + M + + M + M + + + + + + + M + + M + M +| 40 | Hyperplasia, Focal, Papillary | 2 | 1 2.0| Inflammation, Acute, Diffuse | 2 | 1 2.0| Inflammation, Chronic, Focal | 2 2 | 3 1.7| Inflammation, Chronic Active, Focal | | 4 1.5| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atelectasis, Focal | | 1 1.0| Inflammation, Chronic, Multifocal | | 1 3.0| Alveolar Epithelium, Hyperplasia, | | | Focal | | 1 3.0| Bronchiole, Alveolus, Inflammation, | | | Acute, Multifocal | | 1 3.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 3 | 1 3.0| Pleura, Inflammation, Multifocal, | | | Subacute | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lumen, Exudate | 1 2 | 2 1.5| Lumen, Foreign Body | 1 | 1 1.0| Mucosa, Inflammation, Acute | 4 | 1 4.0| Mucosa, Inflammation, Chronic | 1 | 1 1.0| Mucosa, Inflammation, Chronic Active | 1 1 1 | 4 1.0| Nasolacrimal Duct, Exudate | 2 1 | 4 1.8| Nasolacrimal Duct, Inflammation, | | | Chronic | 1 2 2 1 1 1 1 | 16 1.3| Nasolacrimal Duct, Inflammation, | | | Chronic Active | 1 3 2 | 4 2.3| Olfactory Epithelium, Atrophy | 1 1 1 | 3 1.0| Olfactory Epithelium, Cyst | 1 1 2 1 1 | 13 1.2| Olfactory Epithelium, Erosion | 1 | 4 1.8| Olfactory Epithelium, Hyperplasia, | | | Eosinophil | 2 1 1 3 1 2 3 1 1 1 3 1 1 2| 21 1.6| Respiratory Epithelium, Cyst | 1 1 1 1 1 1 1 | 10 1.0| Respiratory Epithelium, Hyperplasia, | | | Eosinophil | | 3 1.3| Respiratory Epithelium, Hyperplasia | 1 1 1 1 1 3 1 1 2 | 16 1.6| __________________________________________________________________________________________________________________________________ * : 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 27 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 4| 6| 7| 5| 7| 5| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 5| 7| 5| 7| | DAY ON TEST | 8| 3| 2| 4| 1| 3| 1| 2| 7| 2| 7| 3| 3| 3| 2| 0| 2| 2| 8| 2| 2| 2| 2| 0| 2| | | 0| 0| 9| 6| 8| 4| 4| 9| 6| 8| 6| 7| 0| 0| 9| 9| 6| 9| 2| 8| 8| 6| 8| 6| 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 5 | Cataract | | 1 4.0| Bilateral, Cataract | | 1 3.0| Retina, Degeneration | | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 2 | Inflammation, Chronic, Multifocal | 1 | 2 1.5| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hydronephrosis | 2 | 1 2.0| Nephropathy, Chronic | 4 3 1 1 3 3 3 4 1 2 2 1 2 2 4 2 3 2 2 2 2 2| 43 2.3| Pigmentation, Diffuse | 3 3 3 3 2 | 11 2.5| Pigmentation, Multifocal | 2 2 2 | 6 2.0| Bilateral, Hydronephrosis | | 1 2.0| Cortex, Hyperplasia, Atypical, Focal | | 1 1.0| Cortex, Mineralization, Multifocal | 3 | 1 3.0| Corticomedullary Junction, | | | Mineralization, Multifocal | | 1 1.0| Pelvis, Inflammation, Diffuse, | | | Suppurative | | 1 3.0| Transitional Epithelium, Hyperplasia | 1 2 | 3 1.7| Transitional Epithelium, | | | Mineralization, Focal | 1 | 1 1.0| Transitional Epithelium, | | | Mineralization, Multifocal | 1 2 | 3 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + M + M + + + + + + + + + + + + + + + +| 46 | Ectasia | | 2 3.5| Inflammation, Chronic, Diffuse | | 1 2.0| Artery, Inflammation, Chronic Active,| | | Multifocal | 1 | 1 1.0| Transitional Epithelium, Hyperplasia,| | | Focal | 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: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 4| 7| 7| 4| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| DAY ON TEST | 3| 0| 3| 3| 3| 4| 9| 3| 3| 9| 5| 1| 3| 9| 3| 3| 3| 3| 0| 9| 3| 3| 2| 3| 3| | 1| 1| 1| 1| 1| 8| 5| 1| 1| 9| 9| 4| 1| 3| 1| 1| 1| 1| 3| 6| 0| 0| 1| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 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| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + | __________________________________________________________________________| Intestine Large | + + + + | __________________________________________________________________________| Intestine Large, Cecum | + M + M | __________________________________________________________________________| Intestine Large, Colon | + + + + | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + | __________________________________________________________________________| Intestine Small | + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + | __________________________________________________________________________| Intestine Small, Ileum | + A + + | __________________________________________________________________________| Intestine Small, Jejunum | + A + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + | Angiectasis, Multifocal | 3 | Basophilic Focus | X | Basophilic Focus, Multiple | X X X X X X X | Congestion, Acute, Multifocal | 3 | Fatty Change, Diffuse | | Fatty Change, Multifocal | 2 | Granuloma, Multifocal | 2 2 2 | Hepatodiaphragmatic Nodule | X X | Hepatodiaphragmatic Nodule, Multiple | X | Hyperplasia, Focal, Nodular | 2 | Mitotic Alteration | 2 | Necrosis, Focal | 1 | Necrosis, Multifocal | 2 | Pigmentation, Multifocal | | Bile Duct, Hyperplasia, Multifocal | 2 2 2 | Centrilobular, Atrophy, Multifocal | 3 | Centrilobular, Degeneration, Diffuse | 2 2 | Centrilobular, Degeneration, | | Multifocal | 2 | Centrilobular, Fatty Change, Diffuse | 3 3 | Periportal, Fatty Change, Multifocal | 2 | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + +| Acinus, Atrophy, Multifocal | 1 2 | __________________________________________________________________________| Salivary Glands | + + + + | __________________________________________________________________________| Stomach | + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + | Inflammation, Chronic Active | | Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | + + + + | Cyst Epithelial Inclusion | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 4| 7| 7| 4| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| DAY ON TEST | 3| 0| 3| 3| 3| 4| 9| 3| 3| 9| 5| 1| 3| 9| 3| 3| 3| 3| 0| 9| 3| 3| 2| 3| 3| | 1| 1| 1| 1| 1| 8| 5| 1| 1| 9| 9| 4| 1| 3| 1| 1| 1| 1| 3| 6| 0| 0| 1| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 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| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Heart | + + + + + | Cardiomyopathy | 2 | Atrium Left, Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + +| Capsule, Accessory Adrenal Cortical | | Nodule | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + +| Angiectasis, Multifocal | 2| Congestion | 3 | Degeneration, Fatty, Focal | | Degeneration, Fatty, Multifocal | 2 | Hyperplasia, Multifocal | | Hypertrophy, Multifocal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + +| Hyperplasia, Focal | | __________________________________________________________________________| Islets, Pancreatic | + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + M | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis, Focal | 2 | Pars Distalis, Angiectasis, | | Multifocal | 2 | Pars Distalis, Cyst | 1 3 3 4 4 | Pars Distalis, Cyst, Multiple | 4 | Pars Distalis, Hyperplasia, Focal | 2| Pars Distalis, Hyperplasia | 3 | Pars Distalis, Hyperplasia, | | Multifocal | | __________________________________________________________________________| Thyroid Gland | + + + + + | Developmental Malformation | | C-Cell, Hyperplasia, Multifocal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | Necrosis, Acute | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + M M + + + | Abscess | 3 | Atrophy | 3 | Ectasia | 3 | Hyperplasia | 4 | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 30 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 4| 7| 7| 4| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| DAY ON TEST | 3| 0| 3| 3| 3| 4| 9| 3| 3| 9| 5| 1| 3| 9| 3| 3| 3| 3| 0| 9| 3| 3| 2| 3| 3| | 1| 1| 1| 1| 1| 8| 5| 1| 1| 9| 9| 4| 1| 3| 1| 1| 1| 1| 3| 6| 0| 0| 1| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 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| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Ovary | + + + + + + + + + | Cyst | X 3 4 | __________________________________________________________________________| Uterus | + + + + + + + + | Dilatation | 3 | Lumen, Hemorrhage | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + + | Pancreatic, Hemorrhage | | Pancreatic, Inflammation, Acute | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + M + + + | Hyperplasia, Re Cell | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + M + + + | Hemorrhage | 2 2 2 | Pigmentation, Hemosiderin | 2 | __________________________________________________________________________| Spleen | + + + + + + + + | Fibrosis, Focal | 4 | Metaplasia, Focal, Osseous | | Pigmentation, Hemosiderin | | __________________________________________________________________________| Thymus | + + + M | Ectopic Parathyroid Gland | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + M | Ectasia, Diffuse | 3 | Ectasia, Multifocal | 1 2 2 2 3 3 2 | Galactocele | 4 | Hyperplasia, Diffuse | 2 2 3 2 2 | Hyperplasia, Focal | | __________________________________________________________________________| Skin | + + + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + | Compression | | Hemorrhage, Multifocal | 3 | Hydrocephalus | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + M | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 4| 7| 7| 4| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 4| 7| 7| DAY ON TEST | 3| 0| 3| 3| 3| 4| 9| 3| 3| 9| 5| 1| 3| 9| 3| 3| 3| 3| 0| 9| 3| 3| 2| 3| 3| | 1| 1| 1| 1| 1| 8| 5| 1| 1| 9| 9| 4| 1| 3| 1| 1| 1| 1| 3| 6| 0| 0| 1| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 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| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Granuloma, Multifocal | 1| Alveolar Epithelium, Hyperplasia, | | Focal | 1 3 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | | Interstitium, Inflammation, Chronic, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumen, Exudate | 2 1 | Mucosa, Inflammation, Chronic | | Mucosa, Inflammation, Chronic Active | 1 1 | Mucosa, Thrombosis, Multifocal | 4 4 1 | Nasolacrimal Duct, Exudate | 2 | Nasolacrimal Duct, Inflammation, | | Chronic | 3 2 1 2 1 2 | Nasolacrimal Duct, Inflammation, | | Chronic Active | 3 | Olfactory Epithelium, Atrophy | | Olfactory Epithelium, Cyst | 1 1 1 1 1 | Olfactory Epithelium, Erosion | 1 1 | Olfactory Epithelium, Exudate | | Olfactory Epithelium, Hyperplasia, | | Eosinophil | 2 1 1 1 | Olfactory Epithelium, Metaplasia | | Respiratory Epithelium, Cyst | 1 1 1 | Respiratory Epithelium, Hyperplasia | 2 1 1 1 1 1 1 1 1 1 | __________________________________________________________________________| Trachea | + M + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Bilateral, Cataract | | Bilateral, Retina, Degeneration | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + | Nephropathy, Chronic | 4 2 | Pigmentation, Diffuse | 3 | Pigmentation, Multifocal | | __________________________________________________________________________| Urinary Bladder | + + + + | _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 5| 7| 5| 6| 6| 7| 7| | DAY ON TEST | 2| 3| 6| 2| 2| 2| 0| 2| 2| 0| 2| 7| 3| 3| 2| 0| 6| 2| 2| 2| 8| 3| 3| 2| 2| | | 4| 0| 1| 9| 9| 4| 7| 8| 8| 9| 8| 5| 0| 0| 9| 7| 0| 9| 6| 8| 3| 7| 7| 8| 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 | 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| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + | 9 | __________________________________________________________________________|____________| Intestine Large | + + + + + + | 10 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + M | 5 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + | 10 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + | 9 | __________________________________________________________________________|____________| Intestine Small | + + + + + | 9 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + | 9 | __________________________________________________________________________|____________| Intestine Small, Ileum | M + + + + | 7 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + M + | 7 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + | 33 | Angiectasis, Multifocal | 3 | 2 3.0| Basophilic Focus | X X | 3 | Basophilic Focus, Multiple | X X | 9 | Congestion, Acute, Multifocal | 2 2 | 3 2.3| Fatty Change, Diffuse | 4 | 1 4.0| Fatty Change, Multifocal | | 1 2.0| Granuloma, Multifocal | 2 1 3 | 6 2.0| Hepatodiaphragmatic Nodule | X X X | 5 | Hepatodiaphragmatic Nodule, Multiple | | 1 | Hyperplasia, Focal, Nodular | 2 | 2 2.0| Mitotic Alteration | | 1 2.0| Necrosis, Focal | | 1 1.0| Necrosis, Multifocal | | 1 2.0| Pigmentation, Multifocal | 2 | 1 2.0| Bile Duct, Hyperplasia, Multifocal | 2 2 2 2 | 7 2.0| Centrilobular, Atrophy, Multifocal | | 1 3.0| Centrilobular, Degeneration, Diffuse | 2 3 | 4 2.3| Centrilobular, Degeneration, | | | Multifocal | | 1 2.0| Centrilobular, Fatty Change, Diffuse | 4 | 3 3.3| Periportal, Fatty Change, Multifocal | 2 | 2 2.0| __________________________________________________________________________|____________| Mesentery | + | 2 | __________________________________________________________________________|____________| Pancreas | + + + + + + + | 13 | Acinus, Atrophy, Multifocal | 1 | 3 1.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + | 9 | __________________________________________________________________________|____________| Stomach | + + + + + + +| 11 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + +| 11 | Inflammation, Chronic Active | 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 33 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 5| 7| 5| 6| 6| 7| 7| | DAY ON TEST | 2| 3| 6| 2| 2| 2| 0| 2| 2| 0| 2| 7| 3| 3| 2| 0| 6| 2| 2| 2| 8| 3| 3| 2| 2| | | 4| 0| 1| 9| 9| 4| 7| 8| 8| 9| 8| 5| 0| 0| 9| 7| 0| 9| 6| 8| 3| 7| 7| 8| 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 | 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| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Epithelium, Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + +| 11 | Cyst Epithelial Inclusion | 2| 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + | 10 | Cardiomyopathy | 1 1 1 | 4 1.3| Atrium Left, Thrombosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + | 14 | Capsule, Accessory Adrenal Cortical | | | Nodule | X | 1 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + | 14 | Angiectasis, Multifocal | 3 2 | 3 2.3| Congestion | | 1 3.0| Degeneration, Fatty, Focal | 4 | 1 4.0| Degeneration, Fatty, Multifocal | | 1 2.0| Hyperplasia, Multifocal | 3 | 1 3.0| Hypertrophy, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + | 14 | Hyperplasia, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + | 12 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + | 7 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + +| 43 | Pars Distalis, Angiectasis, Focal | | 1 2.0| Pars Distalis, Angiectasis, | | | Multifocal | 2 3| 3 2.3| Pars Distalis, Cyst | 2 2 2 2 3 | 10 2.6| Pars Distalis, Cyst, Multiple | | 1 4.0| Pars Distalis, Hyperplasia, Focal | 2 | 2 2.0| Pars Distalis, Hyperplasia | | 1 3.0| Pars Distalis, Hyperplasia, | | | Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + | 10 | Developmental Malformation | X | 1 | C-Cell, Hyperplasia, Multifocal | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | 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 34 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 5| 7| 5| 6| 6| 7| 7| | DAY ON TEST | 2| 3| 6| 2| 2| 2| 0| 2| 2| 0| 2| 7| 3| 3| 2| 0| 6| 2| 2| 2| 8| 3| 3| 2| 2| | | 4| 0| 1| 9| 9| 4| 7| 8| 8| 9| 8| 5| 0| 0| 9| 7| 0| 9| 6| 8| 3| 7| 7| 8| 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 | 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| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | Necrosis, Acute | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + M + M | 11 | Abscess | | 1 3.0| Atrophy | | 1 3.0| Ectasia | 2 | 2 2.5| Hyperplasia | | 1 4.0| Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + | 18 | Cyst | 4 4 | 5 3.8| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 18 | Dilatation | 2 4 | 3 3.0| Lumen, Hemorrhage | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + | 9 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 17 | Pancreatic, Hemorrhage | 2 | 1 2.0| Pancreatic, Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + | 11 | Hyperplasia, Re Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + | 12 | Hemorrhage | | 3 2.0| Pigmentation, Hemosiderin | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + | 19 | Fibrosis, Focal | | 1 4.0| Metaplasia, Focal, Osseous | 3 | 1 3.0| Pigmentation, Hemosiderin | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + M M + + | 6 | Ectopic Parathyroid Gland | X X | 2 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + +| 29 | Ectasia, Diffuse | 2 2 | 3 2.3| Ectasia, Multifocal | 4 2 4 | 10 2.5| Galactocele | | 1 4.0| Hyperplasia, Diffuse | 1 2 2 2 3 2| 11 2.1| __________________________________________________________________________________________________________________________________ * : 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 35 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 5| 7| 5| 6| 6| 7| 7| | DAY ON TEST | 2| 3| 6| 2| 2| 2| 0| 2| 2| 0| 2| 7| 3| 3| 2| 0| 6| 2| 2| 2| 8| 3| 3| 2| 2| | | 4| 0| 1| 9| 9| 4| 7| 8| 8| 9| 8| 5| 0| 0| 9| 7| 0| 9| 6| 8| 3| 7| 7| 8| 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 | 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| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Hyperplasia, Focal | 3 | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + +| 13 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + | 9 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + | 11 | Compression | X | 1 | Hemorrhage, Multifocal | | 1 3.0| Hydrocephalus | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + M | 6 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma, Multifocal | | 1 1.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 2 2 2 | 5 2.0| Alveolar Epithelium, Hyperplasia, | | | Multifocal | | 1 2.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 1 | 1 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 1| 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lumen, Exudate | 3 1 | 4 1.8| Mucosa, Inflammation, Chronic | 1 1| 2 1.0| Mucosa, Inflammation, Chronic Active | 3 1 | 4 1.5| Mucosa, Thrombosis, Multifocal | 3 | 4 3.0| Nasolacrimal Duct, Exudate | 2 1 | 3 1.7| Nasolacrimal Duct, Inflammation, | | | Chronic | 1 1 1 1 1 1 2 3 2 1 1 | 17 1.5| Nasolacrimal Duct, Inflammation, | | | Chronic Active | | 1 3.0| Olfactory Epithelium, Atrophy | 1 1 | 2 1.0| Olfactory Epithelium, Cyst | | 5 1.0| Olfactory Epithelium, Erosion | 2 | 3 1.3| Olfactory Epithelium, Exudate | 1 | 1 1.0| Olfactory Epithelium, Hyperplasia, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 5| 7| 5| 6| 6| 7| 7| | DAY ON TEST | 2| 3| 6| 2| 2| 2| 0| 2| 2| 0| 2| 7| 3| 3| 2| 0| 6| 2| 2| 2| 8| 3| 3| 2| 2| | | 4| 0| 1| 9| 9| 4| 7| 8| 8| 9| 8| 5| 0| 0| 9| 7| 0| 9| 6| 8| 3| 7| 7| 8| 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 | 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| T | ANIMAL ID | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Eosinophil | 1 1 3 3 2 | 9 1.7| Olfactory Epithelium, Metaplasia | 3 | 1 3.0| Respiratory Epithelium, Cyst | 1 1 1 | 6 1.0| Respiratory Epithelium, Hyperplasia | 1 3 2 1 1 1 1 1 1 | 19 1.2| __________________________________________________________________________|____________| Trachea | + + + + + | 8 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | Bilateral, Cataract | 4 | 1 4.0| Bilateral, Retina, Degeneration | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + | 14 | Nephropathy, Chronic | 4 1 4 3 | 6 3.0| Pigmentation, Diffuse | 2 | 2 2.5| Pigmentation, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + M | 9 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 37 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + M M + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + + M + + + M M + + + + + + M M + + + + +| Parasite Metazoan | X | Artery, Submucosa, Inflammation, | | Chronic Active, Multifocal | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + M + + + + + +| Inflammation, Chronic, Diffuse | | Ulcer, Two | 3 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + A + + + + + + + M + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 2 2 | Angiectasis, Multifocal | 2 2| Basophilic Focus | X | Basophilic Focus, Multiple | | Cytoplasmic Alteration, Focal | 2 3 | Degeneration, Ballooning, Focal | 2 | Eosinophilic Focus | X| Eosinophilic Focus, Multiple | X | Fatty Change, Diffuse | 1 | Fatty Change, Focal | 1 | Fatty Change, Multifocal | | Granuloma, Multifocal | 3 1 1 1 | Hematopoietic Cell Proliferation, | | Multifocal | 2 | Hemorrhage, Multifocal | 3 | Hepatodiaphragmatic Nodule | X X | Hyperplasia, Multifocal, Nodular | | Necrosis, Multifocal | 3 2 3 4 | Thrombosis, Two | X | Bile Duct, Fibrosis, Multifocal | 2 | Bile Duct, Hyperplasia, Multifocal | 2 2 3 1 4 4 3 2 2 1 3 3 2 | Centrilobular, Congestion, Diffuse | 3 | Centrilobular, Degeneration, Diffuse | | Centrilobular, Fatty Change, Diffuse | 3 4 3 3 | Centrilobular, Fatty Change, | | Multifocal | | Centrilobular, Necrosis, Diffuse | 1 2 3 | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Centrilobular, Necrosis, Multifocal | | Periportal, Fatty Change, Diffuse | | Portal, Inflammation, Chronic, | | Multifocal | | Portal, Inflammation, Chronic Active,| | Multifocal | 2 | __________________________________________________________________________| Mesentery | + + + + | Hemorrhage, Acute, Multifocal | 4 | Artery, Inflammation, Chronic, | | Multifocal | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + M + + + + + +| Infiltration Cellular, Focal, | | Lymphocyte | | Infiltration Cellular, Multifocal, | | Lymphocyte | 1 | Acinus, Atrophy, Diffuse | 2 | Acinus, Atrophy, Focal | 2 2 2| Acinus, Atrophy, Multifocal | 2 2 1 4 2 3 3 4 | Acinus, Hyperplasia, Multifocal | | Artery, Inflammation, Chronic Active,| | Multifocal | 3 | __________________________________________________________________________| Pharynx | + | Palate, Inflammation, Chronic, Focal | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active,| | Multifocal | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 1 4 3 | Ulcer | 3 4 4 | Epithelium, Hyperplasia | 2 3 3 | Submucosa, Inflammation, Subacute | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + +| Cyst, Multiple | | Mineralization, Multifocal | 2 | Ulcer, Acute | 3 | __________________________________________________________________________| Tooth | + + | Pulp, Angiectasis | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 3 3 2 2 2 2 2 3 2 2 3 2 2 2 3 1 2 2 2 2 2| Atrium Left, Thrombosis | 3 3 | Endocardium, Atrium, Fibrosis, Focal | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Valve, Fibrosis, Focal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Accessory Adrenal Cortical | | Nodule | X | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration, Focal | | Degeneration, Diffuse, Fatty | 2 1 1 2 2 3 | Degeneration, Fatty, Focal | 2 2 2 2 3| Degeneration, Fatty, Multifocal | 2 2 | Hyperplasia, Focal | 3 | Hyperplasia, Multifocal | 2 3 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | | Hyperplasia, Focal | 2 2 2 3 3 | Hyperplasia, Multifocal | 2 2 2 1 3 2| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + M + + + + + +| Atrophy, Diffuse | | Hyperplasia, Focal | | Hyperplasia | | Hyperplasia, Multifocal | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + M + + + + + + + + M +| Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 3 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia, Diffuse, | | Eosinophil | 3 | Pars Distalis, Hyperplasia, Focal | 3 | Pars Distalis, Hyperplasia, | | Multifocal | 2 2 2 | Pars Distalis, Pigmentation, Focal | 3 | Pars Intermedia, Hyperplasia | 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Mineralization, Multifocal | | C-Cell, Hyperplasia, Focal | | C-Cell, Hyperplasia, Multifocal | 4 | Follicular Cell, Degeneration, | | Multifocal | 1 | Follicular Cell, Hyperplasia, Focal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM - cont | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + +| Dilatation, Multifocal | 2 | Granuloma Sperm, Single | | Inflammation, Focal, Suppurative | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + M + + + + + + + + + + M + +| Atrophy, Diffuse | | Ectasia | 2 | Fibrosis, Diffuse | | Inflammation, Chronic Active | 2 1 | Inflammation, Diffuse, Granulomatous | 2 | Inflammation, Focal, Granulomatous | 2 2 | Inflammation, Focal, Suppurative | 2 | Inflammation, Granulomatous, | | Multifocal | 3 2 2 2 3 1 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 1 1 1 2 | Hyperplasia, Multifocal | 2 | Inflammation, Chronic | | Inflammation, Chronic Active | 3 4 3 2 | __________________________________________________________________________| Seminal Vesicle | + + + + M + + + M + + + + + + + + M + + M + +| Atrophy, Diffuse | 2 | Inflammation, Diffuse, Subacute | 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization, Focal | 1 | Mineralization, Multifocal | | Arteriole, Inflammation | 2 1 3 3 | Interstitial Cell, Hyperplasia | | Seminiferous Tubule, Atrophy | 4 1 1 1 3 | Seminiferous Tubule, Degeneration | | Serosa, Necrosis, Focal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 3 3 | Metaplasia, Osseous | | Myelofibrosis | | Myeloid Cell, Hyperplasia | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal, Suppurative | 3 | Lumbar, Inflammation, Granulomatous, | | Multifocal | 3 | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Lymphoid | 2 | Mediastinal, Hyperplasia, Re Cell | | Mediastinal, Pigmentation, | | Hemosiderin | | Pancreatic, Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 4 | Hyperplasia, Re Cell | 3 | Inflammation, Focal, Subacute | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + M + + + + M + + + M + + + M + + + + + +| Depletion Lymphoid | | Hyperplasia, Lymphoid | | Hyperplasia, Re Cell | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | | Fibrosis, Multifocal | 2 2 | Hematopoietic Cell Proliferation | 2 1 4 | Necrosis, Coagulative, Focal | 3 | Pigmentation, Hemosiderin | 2 2 | Capsule, Fibrosis, Multifocal | | __________________________________________________________________________| Thymus | + + + + + + M + + + + M + M + + + + + + + M M +| Hemorrhage | | Hyperplasia, Tubular | 2 2 2 3 | Artery, Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + M + + M M + +| Ectasia, Diffuse | 3 3 3 4 2 2| Ectasia, Multifocal | 2 2 4 3 3 3 2 1 4 2 4 | Hyperplasia, Diffuse | 3 2 | Inflammation, Chronic Active, | | Multifocal | 2 | Inflammation, Proliferative | 3 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Hyperkeratosis | | Hyperplasia, Squamous | | Inflammation, Chronic, Focal | | Artery, Subcutaneous Tissue, | | Inflammation, Chronic Active, | | Focal | | Subcutaneous Tissue, Hemorrhage, | | _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Chronic, Focal | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| Sternum, Developmental Malformation | | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 1 4 3 X X 2| Hemorrhage, Focal | 4 3 | Hemorrhage, Multifocal | 4 | Hydrocephalus | 4 2 | Thalamus, Gliosis, Focal | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + M + + + + M + + + + M + + M M + + M + +| Inflammation, Chronic Active, Focal | 3 2 1 2 4 | Inflammation, Focal, Suppurative | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| Edema, Focal | | Hemorrhage, Multifocal, Subacute | 3 | Bronchus, Epithelium, Hyperplasia, | | Focal | | Interstitium, Inflammation, Chronic, | | Focal | 1 | Interstitium, Inflammation, Chronic, | | Multifocal | | Vein, Mineralization, Multifocal | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + A + + + + + + + + + + +| Lumen, Exudate | 2 1 | Lumen, Foreign Body | 2 | Mucosa, Inflammation, Chronic | 1 1 2 | Mucosa, Inflammation, Chronic Active | 2 2 | Mucosa, Thrombosis, Multifocal | 4 2 3 | Nasolacrimal Duct, Exudate | | Nasolacrimal Duct, Hyperplasia | 2| Nasolacrimal Duct, Inflammation, | | Chronic | 2 4 2 3 1 1 1 1 | Nasolacrimal Duct, Inflammation, | | Chronic Active | | Olfactory Epithelium, Atrophy | | Olfactory Epithelium, Hyperplasia, | | Eosinophil | 2 | _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 5| 0| 7| 6| 6| 6| 5| 7| 7| 3| 5| 7| 7| 4| 6| 7| DAY ON TEST | 2| 2| 2| 3| 0| 2| 2| 2| 3| 2| 5| 1| 8| 2| 2| 1| 2| 0| 7| 1| 2| 2| 2| 5| 3| | 9| 8| 8| 3| 6| 8| 8| 9| 8| 0| 7| 4| 3| 1| 3| 1| 9| 0| 1| 1| 9| 9| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| CONTROL | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Respiratory Epithelium, Cyst | | Respiratory Epithelium, Hyperplasia, | | Eosinophil | 1 2 | Respiratory Epithelium, Hyperplasia | 1 2 1 2 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active,| | Focal | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | Choroid, Left, Hemorrhage | 4 | Retina, Degeneration | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 4 4 3 3 2 4 4 4 1 2 3 3 1 4 3 4 4 4 3 4 2 3 4| Pigmentation, Diffuse | 3 | Pigmentation, Multifocal | 2 | Cortex, Cyst | 2 | Cortex, Hyperplasia, Atypical | | Transitional Epithelium, Hyperplasia | 3 | Transitional Epithelium, | | Mineralization | 1 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Gross Observation | X | Inflammation, Chronic Active, Focal | 2 | Lumen, Calculus Micro Observation | | Only, Single | X | _____________________________________________________________________________________________________________________| Page 44 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + M + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + A + + + + + A + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Cecum | M + + + + + + + + + + + + + + + + + + + + + +| 43 | Parasite Metazoan | X X | 2 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + +| 46 | Parasite Metazoan | X X X X | 4 | __________________________________________________________________________|____________| Intestine Large, Rectum | M M M + + + M + + + + + + M + + + + + + + + +| 36 | Parasite Metazoan | X | 2 | Artery, Submucosa, Inflammation, | | | Chronic Active, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + A + + + + + A + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + +| 45 | Inflammation, Chronic, Diffuse | 2 | 1 2.0| Ulcer, Two | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis, Focal | 2 | 3 2.0| Angiectasis, Multifocal | 2 | 3 2.0| Basophilic Focus | | 1 | Basophilic Focus, Multiple | X | 1 | Cytoplasmic Alteration, Focal | | 2 2.5| Degeneration, Ballooning, Focal | 2 2 | 3 2.0| Eosinophilic Focus | | 1 | Eosinophilic Focus, Multiple | | 1 | Fatty Change, Diffuse | | 1 1.0| Fatty Change, Focal | 1 | 2 1.0| Fatty Change, Multifocal | 2 | 1 2.0| Granuloma, Multifocal | | 4 1.5| Hematopoietic Cell Proliferation, | | | Multifocal | | 1 2.0| Hemorrhage, Multifocal | 3 | 2 3.0| Hepatodiaphragmatic Nodule | X | 3 | Hyperplasia, Multifocal, Nodular | 4 | 1 4.0| Necrosis, Multifocal | 2 2 1 3 2 2 1 2 | 12 2.3| Thrombosis, Two | | 1 | Bile Duct, Fibrosis, Multifocal | 3 | 2 2.5| Bile Duct, Hyperplasia, Multifocal | 4 3 1 4 2 4 3 3 1 3 2 3 4 3 3 2 1 2 3| 32 2.6| Centrilobular, Congestion, Diffuse | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Centrilobular, Degeneration, Diffuse | 2 3 | 2 2.5| Centrilobular, Fatty Change, Diffuse | 4 3 4 4 4 2 4 | 11 3.5| Centrilobular, Fatty Change, | | | Multifocal | 3 | 1 3.0| Centrilobular, Necrosis, Diffuse | 3 3 | 5 2.4| Centrilobular, Necrosis, Multifocal | 2 | 1 2.0| Periportal, Fatty Change, Diffuse | 3 | 1 3.0| Portal, Inflammation, Chronic, | | | Multifocal | 1 | 1 1.0| Portal, Inflammation, Chronic Active,| | | Multifocal | 2 | 2 2.0| __________________________________________________________________________|____________| Mesentery | + + + +| 8 | Hemorrhage, Acute, Multifocal | | 1 4.0| Artery, Inflammation, Chronic, | | | Multifocal | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + A + + + + + M + + + + +| 46 | Infiltration Cellular, Focal, | | | Lymphocyte | 2 | 1 2.0| Infiltration Cellular, Multifocal, | | | Lymphocyte | 1 | 2 1.0| Acinus, Atrophy, Diffuse | 4 4 | 3 3.3| Acinus, Atrophy, Focal | 2 1 | 5 1.8| Acinus, Atrophy, Multifocal | 2 1 1 4 3 2 2 2 1 2| 18 2.3| Acinus, Hyperplasia, Multifocal | 1 | 1 1.0| Artery, Inflammation, Chronic Active,| | | Multifocal | 2 | 2 2.5| __________________________________________________________________________|____________| Pharynx | | 1 | Palate, Inflammation, Chronic, Focal | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Artery, Inflammation, Chronic Active,| | | Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic Active | 2 | 5 2.8| Ulcer | | 3 3.7| Epithelium, Hyperplasia | 3 3 3 | 6 2.8| Submucosa, Inflammation, Subacute | 4 | 1 4.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + +| 47 | Cyst, Multiple | 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 46 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Mineralization, Multifocal | | 1 2.0| Ulcer, Acute | 2 | 2 2.5| __________________________________________________________________________|____________| Tooth | | 2 | Pulp, Angiectasis | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cardiomyopathy | 4 2 3 4 1 1 1 2 2 1 3 2 4 3 2 2 3 2 2 1| 42 2.2| Atrium Left, Thrombosis | 3 2 | 4 2.8| Endocardium, Atrium, Fibrosis, Focal | 2 | 1 2.0| Valve, Fibrosis, Focal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Capsule, Accessory Adrenal Cortical | | | Nodule | X X X X | 5 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cytoplasmic Alteration, Focal | 2 | 1 2.0| Degeneration, Diffuse, Fatty | 2 3 3 2 2 3 3 | 13 2.2| Degeneration, Fatty, Focal | 2 | 6 2.2| Degeneration, Fatty, Multifocal | 1 | 3 1.7| Hyperplasia, Focal | 2 1 2 | 4 2.0| Hyperplasia, Multifocal | | 3 2.3| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis, Focal | 2 | 1 2.0| Hyperplasia, Focal | 2 2 2| 8 2.3| Hyperplasia, Multifocal | 2 1 2 3 | 10 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + A + + + + + M + + + + +| 46 | Atrophy, Diffuse | 4 | 1 4.0| Hyperplasia, Focal | 3 2 | 2 2.5| Hyperplasia | 3 | 1 3.0| Hyperplasia, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + + + + + + + + + + + + + + M + + + +| 45 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Angiectasis | | 2 2.5| Pars Distalis, Cyst | 3 | 1 3.0| Pars Distalis, Hyperplasia, Diffuse, | | | Eosinophil | | 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 47 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Distalis, Hyperplasia, Focal | 2 | 2 2.5| Pars Distalis, Hyperplasia, | | | Multifocal | 2 2 | 5 2.0| Pars Distalis, Pigmentation, Focal | | 1 3.0| Pars Intermedia, Hyperplasia | 2 | 2 2.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | | 1 | Mineralization, Multifocal | 2 | 1 2.0| C-Cell, Hyperplasia, Focal | 3 3 2 2 | 4 2.5| C-Cell, Hyperplasia, Multifocal | 2 2 2 | 4 2.5| Follicular Cell, Degeneration, | | | Multifocal | | 1 1.0| Follicular Cell, Hyperplasia, Focal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + M + + +| 47 | Dilatation, Multifocal | 2 | 2 2.0| Granuloma Sperm, Single | 4 | 1 4.0| Inflammation, Focal, Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| 46 | Atrophy, Diffuse | 3 | 1 3.0| Ectasia | 3 | 2 2.5| Fibrosis, Diffuse | 3 4 | 2 3.5| Inflammation, Chronic Active | 3 3 | 4 2.3| Inflammation, Diffuse, Granulomatous | | 1 2.0| Inflammation, Focal, Granulomatous | 2 2 | 4 2.0| Inflammation, Focal, Suppurative | | 1 2.0| Inflammation, Granulomatous, | | | Multifocal | 2 2 2 2 2 3 3 3 2 2 2 2| 18 2.2| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Focal | 1 | 5 1.2| Hyperplasia, Multifocal | 2 1 | 3 1.7| Inflammation, Chronic | 2 | 1 2.0| Inflammation, Chronic Active | 2 2 2 2 | 8 2.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + M + + + + + + M + + + + + M + + + + +| 41 | Atrophy, Diffuse | 2 3| 3 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 48 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Diffuse, Subacute | | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mineralization, Focal | | 1 1.0| Mineralization, Multifocal | 2 | 1 2.0| Arteriole, Inflammation | 3 3 | 6 2.5| Interstitial Cell, Hyperplasia | 1 1 | 2 1.0| Seminiferous Tubule, Atrophy | 2 3 1 3 3 3 4 3 | 13 2.5| Seminiferous Tubule, Degeneration | 2 3 | 2 2.5| Serosa, Necrosis, Focal | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | A + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 3 4 3 4 | 8 3.1| Metaplasia, Osseous | 2 | 1 2.0| Myelofibrosis | 3 | 1 3.0| Myeloid Cell, Hyperplasia | 3 4 3 | 4 3.3| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Focal, Suppurative | | 1 3.0| Lumbar, Inflammation, Granulomatous, | | | Multifocal | | 1 3.0| Mediastinal, Hemorrhage | 3 4 | 2 3.5| Mediastinal, Hyperplasia, Lymphoid | | 1 2.0| Mediastinal, Hyperplasia, Re Cell | 3 | 1 3.0| Mediastinal, Pigmentation, | | | Hemosiderin | 3 2 | 2 2.5| Pancreatic, Hyperplasia, Lymphoid | 3 | 2 2.5| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + + M + + + + M + + + + + + + M + + + + +| 44 | Hyperplasia, Lymphoid | 2 | 2 2.0| Hyperplasia, Plasma Cell | 3 | 2 3.5| Hyperplasia, Re Cell | | 1 3.0| Inflammation, Focal, Subacute | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + M + + + + + +| 44 | Depletion Lymphoid | 3 | 1 3.0| Hyperplasia, Lymphoid | 3 2 | 2 2.5| Hyperplasia, Re Cell | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrosis, Focal | 3 | 1 3.0| Fibrosis, Multifocal | | 2 2.0| Hematopoietic Cell Proliferation | 3 | 4 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Necrosis, Coagulative, Focal | | 1 3.0| Pigmentation, Hemosiderin | 2 | 3 2.0| Capsule, Fibrosis, Multifocal | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + M + + + + M + + + + + + + + M M + + M + M + + +| 38 | Hemorrhage | 3 | 1 3.0| Hyperplasia, Tubular | 2 3 3 2 | 8 2.4| Artery, Inflammation, Chronic Active | | 1 4.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M + M + + M + + + + M M + + + + + + M + M + + +| 38 | Ectasia, Diffuse | 3 3 1 | 9 2.7| Ectasia, Multifocal | 2 2 2 | 14 2.6| Hyperplasia, Diffuse | 3 | 3 2.7| Inflammation, Chronic Active, | | | Multifocal | 2 | 2 2.0| Inflammation, Proliferative | | 2 2.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst Epithelial Inclusion | X | 1 | Hyperkeratosis | 3 | 1 3.0| Hyperplasia, Squamous | 2 | 1 2.0| Inflammation, Chronic, Focal | 2 | 1 2.0| Artery, Subcutaneous Tissue, | | | Inflammation, Chronic Active, | | | Focal | 2 | 1 2.0| Subcutaneous Tissue, Hemorrhage, | | | Chronic, Focal | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Sternum, Developmental Malformation | X | 1 | __________________________________________________________________________|____________| Skeletal Muscle | + + | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Compression | X X X 2 | 11 2.6| Hemorrhage, Focal | 2 1 | 4 2.5| Hemorrhage, Multifocal | | 1 4.0| Hydrocephalus | 3 | 3 3.0| Thalamus, Gliosis, 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 50 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + M + + + M + + + M + + M + + + + M + + + + +| 37 | Inflammation, Chronic Active, Focal | 3 2 | 7 2.4| Inflammation, Focal, Suppurative | 1 | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Edema, Focal | 4 | 1 4.0| Hemorrhage, Multifocal, Subacute | | 1 3.0| Bronchus, Epithelium, Hyperplasia, | | | Focal | 3 | 1 3.0| Interstitium, Inflammation, Chronic, | | | Focal | | 1 1.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 4 4| 2 4.0| Vein, Mineralization, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Lumen, Exudate | | 2 1.5| Lumen, Foreign Body | 1 | 2 1.5| Mucosa, Inflammation, Chronic | 1 | 4 1.3| Mucosa, Inflammation, Chronic Active | | 2 2.0| Mucosa, Thrombosis, Multifocal | 1 2 | 5 2.4| Nasolacrimal Duct, Exudate | 2 | 1 2.0| Nasolacrimal Duct, Hyperplasia | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Chronic | 2 2 2 2 2 1 | 14 1.9| Nasolacrimal Duct, Inflammation, | | | Chronic Active | 2 3 2 2 3 | 5 2.4| Olfactory Epithelium, Atrophy | 1 1 | 2 1.0| Olfactory Epithelium, Hyperplasia, | | | Eosinophil | | 1 2.0| Respiratory Epithelium, Cyst | 2 1 | 2 1.5| Respiratory Epithelium, Hyperplasia, | | | Eosinophil | 2 1 | 4 1.5| Respiratory Epithelium, Hyperplasia | 1 1 1 | 8 1.4| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Artery, Inflammation, Chronic Active,| | | Focal | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | 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 51 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 6| 6| 6| 7| 7| 5| 6| 6| 7| 5| 5| 5| 5| 7| 7| 7| 7| 6| 4| 7| 6| 7| 6| 7| | DAY ON TEST | 0| 1| 7| 4| 2| 2| 3| 2| 5| 3| 5| 9| 5| 2| 3| 2| 2| 2| 9| 9| 2| 4| 3| 9| 3| | | 7| 3| 3| 3| 9| 9| 2| 3| 8| 0| 7| 9| 3| 5| 0| 9| 9| 9| 3| 2| 1| 7| 0| 7| 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 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| 1| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | CONTROL | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Eye | | 3 | Choroid, Left, Hemorrhage | | 1 4.0| Retina, Degeneration | | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Nephropathy, Chronic | 1 3 3 3 4 4 1 3 2 4 2 4 2 4 3 4 3 3 4 2 3 3 3| 46 3.1| Pigmentation, Diffuse | 2 4 2 1 2 3 1 | 8 2.3| Pigmentation, Multifocal | 3 | 2 2.5| Cortex, Cyst | | 1 2.0| Cortex, Hyperplasia, Atypical | 2 | 1 2.0| Transitional Epithelium, Hyperplasia | 3 | 2 3.0| Transitional Epithelium, | | | Mineralization | 1 | 4 1.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Calculus Gross Observation | | 1 | Inflammation, Chronic Active, Focal | | 1 2.0| Lumen, Calculus Micro Observation | | | Only, 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 52 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + M + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | Mineralization, Multifocal | 4| Parasite Metazoan | X X X | Artery, Inflammation, Chronic Active,| | Focal | | __________________________________________________________________________| Intestine Large, Rectum | + + + + M + + + + + + + M + M M + + + M + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + M + + + + + + + + + + + A + + M + + + + +| Inflammation, Chronic Active, | | Multifocal | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 2 | Angiectasis, Multifocal | 2 2 2| Basophilic Focus | X X X| Basophilic Focus, Multiple | X | Cytoplasmic Alteration, Focal | 2 | Degeneration, Ballooning, Focal | 3 2 | Eosinophilic Focus | | Fatty Change, Diffuse | | Fatty Change, Multifocal | 1 1 2 | Granuloma, Multifocal | 3 | Hemorrhage, Multifocal | 2 | Hepatodiaphragmatic Nodule | | Hyperplasia, Focal, Nodular | | Necrosis, Focal | 1 | Necrosis, Multifocal | 2 3 1 2 | Bile Duct, Fibrosis, Multifocal | 3 | Bile Duct, Hyperplasia, Multifocal | 1 3 3 3 4 2 2 2 2 3 2 2 1 2 1 1 3| Centrilobular, Degeneration, Diffuse | | Centrilobular, Degeneration, | | Multifocal | 3 | Centrilobular, Fatty Change, Diffuse | 3 3 | Periportal, Cytomegaly, Diffuse | | Periportal, Fatty Change, Diffuse | 4 | __________________________________________________________________________| Mesentery | + + +| _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Accessory Spleen, Two | X | Inflammation, Chronic Active, | | Multifocal | | Artery, Inflammation, Chronic, Focal | | Artery, Mineralization, Multifocal | 4| __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy, Focal | 1 2 | Acinus, Atrophy, Multifocal | 1 2 3 2 1 3 2 1 2 2 | Acinus, Hyperplasia, Focal | 3 | Artery, Inflammation, Chronic Active,| | Focal | 2 | Artery, Inflammation, Chronic Active,| | Multifocal | 4 | __________________________________________________________________________| Pharynx | + | Palate, Inflammation, Chronic, Focal | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + M + + + + + + + + +| Inflammation, Chronic Active | 3 4 3 | Mineralization, Diffuse | 4| Ulcer | 3 | Epithelium, Hyperplasia | 2 3 3 | Submucosa, Edema, Diffuse | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active, Focal | | Mineralization, Diffuse | 4| __________________________________________________________________________| Tooth | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 3 3 2 2 3 2 2 2 2 2 2 1 3 3 3 1 2 3 4 3| Mineralization, Multifocal | 4| Atrium Left, Thrombosis | | Myocardium, Fibrosis, Focal | 3 | Valve, Fibrosis, Focal | 3 | Valve, Inflammation, Focal, | | Proliferative | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Accessory Adrenal Cortical | | Nodule | X | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cytoplasmic Alteration, Focal | 2 | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Degeneration, Diffuse, Fatty | 2 2 3 2 | Degeneration, Fatty, Focal | 2 2 2 2 | Degeneration, Fatty, Multifocal | 2 2 | Hyperplasia, Focal | 1 1 1 1 | Hyperplasia, Multifocal | 1 2 | Hypertrophy, Focal | | Hypertrophy, Multifocal | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + M + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 3 2 | Hyperplasia, Multifocal | 2 2| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 1 | Hyperplasia, Multifocal | 3 | Inflammation, Multifocal | | __________________________________________________________________________| Parathyroid Gland | + M + + + + M + + + + + + + + + M + + + M + + + +| Hyperplasia | 3 2 2 4| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3 2 | Pars Distalis, Cyst | X 3 | Pars Distalis, Degeneration, Fatty, | | Focal | 2 | Pars Distalis, Hyperplasia, Focal | 3 2 3 2 2 | Pars Distalis, Hyperplasia | 3| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia, Focal | | C-Cell, Hyperplasia, Multifocal | 2| Follicle, Cyst | 3 | Follicular Cell, Degeneration, | | Multifocal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | Necrosis, Focal | 4 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation, Multifocal | | Granuloma Sperm, Single | 3 | Left, Atrophy | 2 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 4 3 | Inflammation, Chronic Active | 2 3 3 | Inflammation, Diffuse, Granulomatous | 3 | Inflammation, Focal, Granulomatous | 2 | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Inflammation, Granulomatous, | | Multifocal | 2 3 2 1 3 2 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 2 3 | Hyperplasia, Multifocal | 1 2 | Inflammation, Chronic Active | 3 2 3 3 2 3 2 2| __________________________________________________________________________| Seminal Vesicle | + + + + M + + + + + + + + M M + + + M + + + + +| Atrophy, Diffuse | 3 | Fibrosis, Multifocal | | Inflammation, Chronic Active, | | Diffuse, Suppurative | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization, Multifocal | 2 | Arteriole, Inflammation | 3 2 3 2 | Capsule, Hyperplasia, Multifocal | | Interstitial Cell, Hyperplasia | 2 | Seminiferous Tubule, Atrophy | 2 4 2 3 | Seminiferous Tubule, Degeneration | 3 2 2 3 | Serosa, Necrosis, Focal | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 | Myeloid Cell, Hyperplasia | 2 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumbar, Hemorrhage | | Mediastinal, Hemorrhage | 3 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + M + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 2 3 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + M + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 3| Fibrosis, Multifocal | 2 | Hemorrhage | 2 2 | Hyperplasia, Lymphoid | 2 | Hyperplasia, Re Cell | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Depletion Lymphoid | | Fibrosis, Focal | 3 2 | Pigmentation, Hemosiderin | 2 3 2 | Thrombosis, Single | 3 | Capsule, Fibrosis, Focal | 4 | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Capsule, Fibrosis, Multifocal | 3 | __________________________________________________________________________| Thymus | + + + + + + + + M + + + M + M + + + M + + + + M +| Depletion Lymphoid | 4| Hyperplasia, Tubular | 2 3 | Artery, Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Ectasia, Diffuse | 4 | Ectasia, Multifocal | 4 2 4 3 4 | Granuloma | 2 | Hyperplasia, Diffuse | 2 2 3 2| Hyperplasia, Focal | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Focal | 3 | Ulcer | | Subcutaneous Tissue, Cyst | X | Subcutaneous Tissue, Inflammation, | | Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 3| Osteopetrosis | | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X X X X X | Hemorrhage, Focal | | Hemorrhage, Multifocal | | Hydrocephalus | 2 2 1 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + M + + + + + + + M + M M + + + M + + + + +| Inflammation, Chronic, Multifocal | 2 | Inflammation, Chronic Active, Focal | 2 2 1 | Submucosa, Dilatation | 3| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Multifocal, Subacute | | Mineralization, Multifocal | 4| Artery, Mineralization, Focal | 2 | Bronchus, Hyperplasia, Focal, | | Lymphoid | | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Interstitium, Inflammation, Acute, | | Multifocal | | Interstitium, Inflammation, Chronic, | | Multifocal | 3| Interstitium, Inflammation, Chronic | | Active, Multifocal | 3 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumen, Exudate | 3 | Lumen, Foreign Body | 2 1 | Mucosa, Inflammation, Chronic | 2 1 | Mucosa, Inflammation, Chronic Active | 2 1 1 2 | Mucosa, Thrombosis, Multifocal | 4 2 | Nasolacrimal Duct, Exudate | | Nasolacrimal Duct, Fungus | 4 | Nasolacrimal Duct, Inflammation, | | Chronic | 2 1 4 1 1 1| Nasolacrimal Duct, Inflammation, | | Chronic Active | 2 | Olfactory Epithelium, Atrophy | 2 1| Olfactory Epithelium, Cyst | 1 1 | Olfactory Epithelium, Erosion | | Olfactory Epithelium, Inflammation, | | Chronic Active | | Olfactory Epithelium, Metaplasia | 1 1 | Respiratory Epithelium, Cyst | 1 2 2 1 | Respiratory Epithelium, Hyperplasia, | | Eosinophil | | Respiratory Epithelium, Hyperplasia | 3 1 2 3 1 1 2 2 2 1 2 2 1 1 1 1 2 2 2| Respiratory Epithelium, Hyperplasia, | | Papillary | 2 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | Glands, Metaplasia, Focal, Squamous | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Focal, Suppurative | | Mineralization, Diffuse | 4| Nephropathy, Chronic | 4 4 4 4 4 3 4 4 4 4 4 1 4 4 2 4 4 4 3 4 4 4 4 4| Pigmentation, Diffuse | | Pigmentation, Multifocal | 2 | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 6| 7| 5| 7| 7| 7| 5| 7| 5| 5| 6| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 1| 0| 1| 9| 4| 2| 4| 0| 2| 0| 6| 2| 2| 1| 7| 2| 4| 4| 2| 2| 3| 3| 2| | 9| 8| 1| 1| 9| 4| 4| 8| 8| 4| 9| 0| 7| 9| 9| 2| 8| 8| 7| 1| 8| 8| 0| 0| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 300 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Artery, Inflammation, Chronic Active,| | Focal | | Cortex, Cyst | X | Cortex, Hyperplasia, Atypical | 2 2 | Proximal Convoluted Renal Tubule, | | Necrosis, Acute, Multifocal | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + M| Ectasia | | Inflammation, Diffuse, Subacute | | Subserosa, Mineralization, Focal | 2 | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + M + + + + +| 47 | Hyperplasia, Lymphoid | 2 | 1 2.0| Parasite Metazoan | X X X X| 4 | __________________________________________________________________________|____________| Intestine Large, Colon | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Lymphoid | 2 | 1 2.0| Mineralization, Multifocal | | 1 4.0| Parasite Metazoan | X X X| 6 | Artery, Inflammation, Chronic Active,| | | Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Rectum | A + + + + + + + + + M + + + + + M + M M + + + + +| 40 | Parasite Metazoan | X | 2 | __________________________________________________________________________|____________| Intestine Small | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + M + + + + + + + + + + + + + + + + + + M| 44 | Inflammation, Chronic Active, | | | Multifocal | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | A M + + + + + + + + + + + + M + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis, Focal | 3 | 2 2.5| Angiectasis, Multifocal | | 3 2.0| Basophilic Focus | | 3 | Basophilic Focus, Multiple | | 1 | Cytoplasmic Alteration, Focal | | 1 2.0| Degeneration, Ballooning, Focal | 2 | 3 2.3| Eosinophilic Focus | X | 1 | Fatty Change, Diffuse | 4 | 1 4.0| Fatty Change, Multifocal | 1 1 2 1 1 | 8 1.3| Granuloma, Multifocal | 2 2 3 | 4 2.5| Hemorrhage, Multifocal | | 1 2.0| Hepatodiaphragmatic Nodule | X X X | 3 | Hyperplasia, Focal, Nodular | 3 | 1 3.0| Necrosis, Focal | | 1 1.0| Necrosis, Multifocal | 2 3 2 3 | 8 2.3| Bile Duct, Fibrosis, Multifocal | | 1 3.0| Bile Duct, Hyperplasia, Multifocal | 2 3 2 2 2 3 1 3 2 4 1 3 3| 30 2.3| Centrilobular, Degeneration, Diffuse | 2 | 1 2.0| Centrilobular, Degeneration, | | | __________________________________________________________________________________________________________________________________ * : 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: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Multifocal | 2 2 3 | 4 2.5| Centrilobular, Fatty Change, Diffuse | 4 3 | 4 3.3| Periportal, Cytomegaly, Diffuse | 1 | 1 1.0| Periportal, Fatty Change, Diffuse | 4 | 2 4.0| __________________________________________________________________________|____________| Mesentery | + + + | 6 | Accessory Spleen, Two | | 1 | Inflammation, Chronic Active, | | | Multifocal | 2 | 1 2.0| Artery, Inflammation, Chronic, Focal | 2 | 1 2.0| Artery, Mineralization, Multifocal | | 1 4.0| __________________________________________________________________________|____________| Pancreas | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy, Focal | | 2 1.5| Acinus, Atrophy, Multifocal | 2 1 2 2 4 2 3 1 2 2 | 20 2.0| Acinus, Hyperplasia, Focal | | 1 3.0| Artery, Inflammation, Chronic Active,| | | Focal | 3 | 2 2.5| Artery, Inflammation, Chronic Active,| | | Multifocal | | 1 4.0| __________________________________________________________________________|____________| Pharynx | | 1 | Palate, Inflammation, Chronic, Focal | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 3 3 | 5 3.2| Mineralization, Diffuse | | 1 4.0| Ulcer | 4 4 | 3 3.7| Epithelium, Hyperplasia | 3 2 2 | 6 2.5| Submucosa, Edema, Diffuse | | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active, Focal | 3 | 1 3.0| Mineralization, Diffuse | | 1 4.0| __________________________________________________________________________|____________| Tooth | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 4 2 2 1 2 2 3 2 1 3 3 2 2 2 2 3 1 2 3 | 40 2.3| Mineralization, Multifocal | | 1 4.0| Atrium Left, Thrombosis | 3 4 | 2 3.5| Myocardium, Fibrosis, 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 61 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Valve, Fibrosis, Focal | | 1 3.0| Valve, Inflammation, Focal, | | | Proliferative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Capsule, Accessory Adrenal Cortical | | | Nodule | X X X | 4 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cytoplasmic Alteration, Focal | | 1 2.0| Degeneration, Diffuse, Fatty | 2 2 2 2 1 | 9 2.0| Degeneration, Fatty, Focal | 2 2 | 6 2.0| Degeneration, Fatty, Multifocal | 2 | 3 2.0| Hyperplasia, Focal | 1 2 1 2 2 2 | 10 1.4| Hyperplasia, Multifocal | | 2 1.5| Hypertrophy, Focal | 1 | 1 1.0| Hypertrophy, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | M + + M + + + + + + + + + + + + + + + + + + + + M| 46 | Hyperplasia, Focal | 1 2 1 | 5 1.8| Hyperplasia, Multifocal | 2 1 | 4 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Focal | 3 | 2 2.0| Hyperplasia, Multifocal | 2 2 4 4 | 5 3.0| Inflammation, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + M + + + + + + + + + + + +| 45 | Hyperplasia | 1 | 5 2.4| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 3 | 3 2.7| Pars Distalis, Cyst | 4 2 3 | 5 3.0| Pars Distalis, Degeneration, Fatty, | | | Focal | | 1 2.0| Pars Distalis, Hyperplasia, Focal | 3 3 | 7 2.6| Pars Distalis, Hyperplasia | 3 | 2 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia, Focal | 2 1 | 2 1.5| C-Cell, Hyperplasia, Multifocal | 3 1 | 3 2.0| Follicle, Cyst | 3 | 2 3.0| Follicular Cell, Degeneration, | | | 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 62 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | Necrosis, Focal | | 1 4.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation, Multifocal | 3 | 1 3.0| Granuloma Sperm, Single | | 1 3.0| Left, Atrophy | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | A + + + + + + + + + + + + + + + + + + + + + M + +| 48 | Ectasia | 3 | 3 3.3| Inflammation, Chronic Active | 2 | 4 2.5| Inflammation, Diffuse, Granulomatous | | 1 3.0| Inflammation, Focal, Granulomatous | 2 2| 3 2.0| Inflammation, Granulomatous, | | | Multifocal | 2 3 2 1 2 3 2 2 2 1 1 3 2 2 2 | 22 2.0| __________________________________________________________________________|____________| Prostate | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Focal | 2 2 3 | 5 2.4| Hyperplasia, Multifocal | 2 2 3 1 | 6 1.8| Inflammation, Chronic Active | 4 3 1 1 2 | 13 2.4| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + M + + M + + + + +| 43 | Atrophy, Diffuse | 2 3 3 2 | 5 2.6| Fibrosis, Multifocal | 2 | 1 2.0| Inflammation, Chronic Active, | | | Diffuse, Suppurative | 4 | 1 4.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization, Multifocal | | 1 2.0| Arteriole, Inflammation | | 4 2.5| Capsule, Hyperplasia, Multifocal | 2 | 1 2.0| Interstitial Cell, Hyperplasia | 2 | 2 2.0| Seminiferous Tubule, Atrophy | 2 3 3 3 2 4 3 3 3 | 13 2.8| Seminiferous Tubule, Degeneration | | 4 2.5| Serosa, Necrosis, Focal | 3 | 2 3.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 3 2| 5 2.6| Myeloid Cell, Hyperplasia | 4 3 | 4 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 63 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lumbar, Hemorrhage | 3 | 1 3.0| Mediastinal, Hemorrhage | 3 2 2 | 5 2.6| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + + + + + + + + + + + + + + + + + + +| 48 | Hemorrhage | | 1 3.0| Hyperplasia, Lymphoid | 4 2 | 3 2.7| Hyperplasia, Plasma Cell | 2 3 | 5 2.4| __________________________________________________________________________|____________| Lymph Node, Mesenteric | A + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Depletion Lymphoid | | 1 3.0| Fibrosis, Multifocal | | 1 2.0| Hemorrhage | | 2 2.0| Hyperplasia, Lymphoid | 3 | 2 2.5| Hyperplasia, Re Cell | 2 3 | 3 2.3| __________________________________________________________________________|____________| Spleen | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Congestion | 3| 1 3.0| Depletion Lymphoid | 3| 1 3.0| Fibrosis, Focal | 2 3 | 4 2.5| Pigmentation, Hemosiderin | 3 3 2 2 | 7 2.4| Thrombosis, Single | | 1 3.0| Capsule, Fibrosis, Focal | | 1 4.0| Capsule, Fibrosis, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Thymus | A M + + M + + + + + + + + + M + M + + M + + + M +| 38 | Depletion Lymphoid | | 1 4.0| Hyperplasia, Tubular | 2 3 3 2 | 6 2.5| Artery, Inflammation, Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M + + + + + + + + + + + + + + + + + + + M + + +| 46 | Ectasia, Diffuse | 3 4 4 | 4 3.8| Ectasia, Multifocal | 3 | 6 3.3| Granuloma | | 1 2.0| Hyperplasia, Diffuse | 2 2 1 | 7 2.0| Hyperplasia, Focal | 4 | 1 4.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic, Focal | | 1 3.0| Ulcer | 4 | 1 4.0| Subcutaneous Tissue, Cyst | | 1 | Subcutaneous Tissue, Inflammation, | | | Chronic Active | 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 64 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | | 2 2.5| Osteopetrosis | 2| 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | X 3 X | 9 3.0| Hemorrhage, Focal | 3 | 1 3.0| Hemorrhage, Multifocal | 4 2 | 2 3.0| Hydrocephalus | 2 2 2 2 | 8 1.9| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + M + + + + + M + M + + + + +| 41 | Inflammation, Chronic, Multifocal | 1 | 2 1.5| Inflammation, Chronic Active, Focal | 2 2| 5 1.8| Submucosa, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage, Multifocal, Subacute | 2 | 1 2.0| Mineralization, Multifocal | | 1 4.0| Artery, Mineralization, Focal | | 1 2.0| Bronchus, Hyperplasia, Focal, | | | Lymphoid | 2 | 1 2.0| Interstitium, Inflammation, Acute, | | | Multifocal | 2| 1 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 1 | 2 2.0| Interstitium, Inflammation, Chronic | | | Active, Multifocal | | 2 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lumen, Exudate | 2 | 2 2.5| Lumen, Foreign Body | 1 1 | 4 1.3| Mucosa, Inflammation, Chronic | 2 1 2 1| 6 1.5| Mucosa, Inflammation, Chronic Active | | 4 1.5| Mucosa, Thrombosis, Multifocal | 3 | 3 3.0| Nasolacrimal Duct, Exudate | 3 1 2 | 3 2.0| Nasolacrimal Duct, Fungus | | 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 65 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 6| 5| 6| 6| 7| 6| 6| 6| 7| 7| 5| 7| 7| 7| 7| 6| 5| 7| 5| 5| 6| 7| 6| 6| 7| | DAY ON TEST | 7| 4| 1| 5| 3| 6| 4| 6| 2| 3| 8| 3| 2| 3| 3| 6| 4| 3| 7| 0| 1| 3| 3| 6| 3| | | 9| 8| 7| 3| 0| 6| 8| 0| 9| 0| 9| 0| 4| 0| 0| 9| 1| 0| 5| 6| 1| 1| 8| 7| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 300 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Nasolacrimal Duct, Inflammation, | | | Chronic | 2 1 3 1 | 10 1.7| Nasolacrimal Duct, Inflammation, | | | Chronic Active | 3 1 2 3 | 5 2.2| Olfactory Epithelium, Atrophy | 2 | 3 1.7| Olfactory Epithelium, Cyst | 1 1 1 1 | 6 1.0| Olfactory Epithelium, Erosion | 2 | 1 2.0| Olfactory Epithelium, Inflammation, | | | Chronic Active | 1 | 1 1.0| Olfactory Epithelium, Metaplasia | 2 2 | 4 1.5| Respiratory Epithelium, Cyst | 1 2 1 1 1| 9 1.3| Respiratory Epithelium, Hyperplasia, | | | Eosinophil | 1 | 1 1.0| Respiratory Epithelium, Hyperplasia | 2 2 1 1 2 2 1 1 | 27 1.6| Respiratory Epithelium, Hyperplasia, | | | Papillary | | 2 1.5| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 | 2 1.5| Glands, Metaplasia, Focal, Squamous | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 5 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Focal, Suppurative | 1 | 1 1.0| Mineralization, Diffuse | | 1 4.0| Nephropathy, Chronic | 2 1 3 1 4 4 3 4 4 4 2 4 4 4 4 4 2 4 1 3 4 3 4 4| 48 3.5| Pigmentation, Diffuse | 1 2 3 1 3 | 5 2.0| Pigmentation, Multifocal | | 1 2.0| Artery, Inflammation, Chronic Active,| | | Focal | 3 | 1 3.0| Cortex, Cyst | X 3| 3 3.0| Cortex, Hyperplasia, Atypical | | 2 2.0| Proximal Convoluted Renal Tubule, | | | Necrosis, Acute, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ectasia | 4 | 1 4.0| Inflammation, Diffuse, Subacute | 3 | 1 3.0| Subserosa, Mineralization, Focal | | 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 66 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 6| 7| 6| 5| 4| 6| 5| 7| 6| 7| 6| 6| 5| 7| 7| 6| 5| 7| 5| 7| 6| DAY ON TEST | 2| 2| 3| 3| 9| 2| 9| 5| 8| 6| 3| 2| 8| 2| 2| 9| 3| 2| 2| 8| 5| 2| 8| 1| 8| | 9| 9| 3| 3| 5| 8| 7| 4| 4| 0| 9| 9| 9| 8| 4| 7| 9| 8| 8| 0| 4| 8| 3| 4| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 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| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | M + M + + A + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + A + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + M + A + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + A + + + + +| Inflammation, Acute, Multifocal | 2| __________________________________________________________________________| Intestine Small, Ileum | + + + + + A + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + +| Angiectasis, Focal | 2 2 | Basophilic Focus | X X X | Basophilic Focus, Multiple | X | Congestion | 4 3 | Cytomegaly, Focal | | Cytomegaly, Multifocal | | Eosinophilic Focus | X | Fatty Change, Diffuse | 4 3 2| Fatty Change, Focal | 3 | Fatty Change, Multifocal | 1 2 | Hepatodiaphragmatic Nodule | X | Hepatodiaphragmatic Nodule, Multiple | | Mitotic Alteration | 1 | Necrosis, Focal | | Necrosis, Multifocal | 2 | Pigmentation, Multifocal | 2 | Vacuolization Cytoplasmic, Multifocal| | Bile Duct, Hyperplasia, Multifocal | 2 3 2 2 2 3 1 3 1 2 | Centrilobular, Degeneration, Diffuse | 3 2 | Centrilobular, Fatty Change, Diffuse | 3 | Centrilobular, Necrosis, Multifocal | | Periportal, Fatty Change, Diffuse | 2 | Portal, Fibrosis, Multifocal | 2 | Portal, Inflammation, Chronic Active,| | Multifocal | 1 | __________________________________________________________________________| Mesentery | + | Artery, Ectasia, Multifocal | | Artery, Inflammation, Chronic, | | Multifocal | | Artery, Mineralization, Multifocal | | Fat, Necrosis, Focal | | __________________________________________________________________________| Pancreas | + + M + + + + + + + | Acinus, Atrophy, Diffuse | | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 6| 7| 6| 5| 4| 6| 5| 7| 6| 7| 6| 6| 5| 7| 7| 6| 5| 7| 5| 7| 6| DAY ON TEST | 2| 2| 3| 3| 9| 2| 9| 5| 8| 6| 3| 2| 8| 2| 2| 9| 3| 2| 2| 8| 5| 2| 8| 1| 8| | 9| 9| 3| 3| 5| 8| 7| 4| 4| 0| 9| 9| 9| 8| 4| 7| 9| 8| 8| 0| 4| 8| 3| 4| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 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| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Acinus, Atrophy, Multifocal | 2 | Artery, Ectasia, Multifocal | | Artery, Fibrosis | | Artery, Inflammation, Chronic, | | Multifocal | | Artery, Mineralization, Multifocal | | __________________________________________________________________________| Pharynx | | Inflammation, Chronic Active, | | Multifocal | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + | Inflammation, Chronic Active | 3 4 | Ulcer | 4 | Epithelium, Hyperplasia | 2 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + | Infiltration Cellular, Lymphocyte | | __________________________________________________________________________| Tooth | + + | Dysplasia | 3 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + | Cardiomyopathy | 1 3 4 2 2 3 2 | Atrium Left, Thrombosis | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + +| Capsule, Accessory Adrenal Cortical | | Nodule | X X | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + +| Degeneration, Diffuse, Fatty | 3 2 2 | Degeneration, Fatty, Focal | 2 2 3 | Degeneration, Fatty, Multifocal | | Hyperplasia, Focal | 3 | Hypertrophy, Focal | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + M| Hyperplasia, Focal | 2 3 | Hyperplasia, Multifocal | | __________________________________________________________________________| Islets, Pancreatic | + + M + + + + + + + | Hyperplasia, Multifocal | 2 1 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + | Hyperplasia | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 | _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 6| 7| 6| 5| 4| 6| 5| 7| 6| 7| 6| 6| 5| 7| 7| 6| 5| 7| 5| 7| 6| DAY ON TEST | 2| 2| 3| 3| 9| 2| 9| 5| 8| 6| 3| 2| 8| 2| 2| 9| 3| 2| 2| 8| 5| 2| 8| 1| 8| | 9| 9| 3| 3| 5| 8| 7| 4| 4| 0| 9| 9| 9| 8| 4| 7| 9| 8| 8| 0| 4| 8| 3| 4| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 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| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Pars Distalis, Cyst | 2 3 | Pars Distalis, Hyperplasia, Focal | 3 | Pars Distalis, Hyperplasia | 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + M + + | C-Cell, Hyperplasia, Focal | 2 | C-Cell, Hyperplasia, Multifocal | 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + M | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + +| Abscess | 4 | Ectasia | 3 4| Inflammation, Granulomatous, | | Multifocal | 2 1 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + | Hyperplasia, Multifocal | 3 4 | Inflammation, Chronic Active | 1 2 3 2 | __________________________________________________________________________| Seminal Vesicle | + M + M M + + M + + + + | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + M + +| Hemorrhage | | Mineralization, Multifocal | | Arteriole, Inflammation | 3 | Interstitial Cell, Hyperplasia | 3 2| Seminiferous Tubule, Atrophy | 3 4 3 2 3| Serosa, Necrosis, Focal | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + | Atrophy | 3 | Hyperplasia | 2 | Metaplasia, Osseous | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + | Mediastinal, Hemorrhage | 2 | Pancreatic, Hemorrhage | | __________________________________________________________________________| Lymph Node, Mandibular | + + + M + + + + + + + | Hemorrhage | 3 | Hyperplasia, Plasma Cell | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | M + + + + + + + + + + | Hemorrhage | 3 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + | Congestion | 4 | _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 6| 7| 6| 5| 4| 6| 5| 7| 6| 7| 6| 6| 5| 7| 7| 6| 5| 7| 5| 7| 6| DAY ON TEST | 2| 2| 3| 3| 9| 2| 9| 5| 8| 6| 3| 2| 8| 2| 2| 9| 3| 2| 2| 8| 5| 2| 8| 1| 8| | 9| 9| 3| 3| 5| 8| 7| 4| 4| 0| 9| 9| 9| 8| 4| 7| 9| 8| 8| 0| 4| 8| 3| 4| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 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| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Fibrosis, Focal | 2 | Fibrosis, Multifocal | 3 | Hematopoietic Cell Proliferation | | Pigmentation, Hemosiderin | 2 | __________________________________________________________________________| Thymus | + + + + + M + M + + + + | Angiectasis, Multifocal | | Hemorrhage | 3 | Hyperplasia, Tubular | 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + M + + + + + + + + | Ectasia, Diffuse | 4 2 3 | Ectasia, Multifocal | 4 3 1 2 3 2 | Hyperplasia, Diffuse | 2 | Inflammation, Granulomatous | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + | Cyst Epithelial Inclusion | X 4 | Hyperkeratosis | 4 3 | Hyperplasia, Squamous | 2 | Subcutaneous Tissue, Inflammation, | | Chronic Active | 4 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + | Fibrous Osteodystrophy | 3 | __________________________________________________________________________| Skeletal Muscle | | Hemorrhage, Acute | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + | Compression | X X X X X | Hydrocephalus | 2 3 | Perivascular, Infiltration Cellular, | | Multifocal, Mixed Cell | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | M M M M + M + + + M | Inflammation, Chronic Active, Focal | 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia, | | Focal | | Alveolar Epithelium, Hyperplasia, | | Multifocal | 3 3 | Interstitium, Inflammation, Chronic, | | _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 6| 7| 6| 5| 4| 6| 5| 7| 6| 7| 6| 6| 5| 7| 7| 6| 5| 7| 5| 7| 6| DAY ON TEST | 2| 2| 3| 3| 9| 2| 9| 5| 8| 6| 3| 2| 8| 2| 2| 9| 3| 2| 2| 8| 5| 2| 8| 1| 8| | 9| 9| 3| 3| 5| 8| 7| 4| 4| 0| 9| 9| 9| 8| 4| 7| 9| 8| 8| 0| 4| 8| 3| 4| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 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| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Diffuse | | Interstitium, Inflammation, Chronic, | | Multifocal | 2 3 1 | Interstitium, Mineralization, | | Multifocal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumen, Exudate | 1 | Lumen, Foreign Body | 3 1 | Mucosa, Inflammation, Chronic | 2 3 1 | Mucosa, Inflammation, Chronic Active | 3 1 2 | Mucosa, Thrombosis, Multifocal | 2 3 | Nasolacrimal Duct, Exudate | 4 | Nasolacrimal Duct, Inflammation, | | Acute | 2 | Nasolacrimal Duct, Inflammation, | | Chronic | 2 1 2 2 1 1 2 | Nasolacrimal Duct, Inflammation, | | Chronic Active | | Olfactory Epithelium, Atrophy | | Olfactory Epithelium, Cyst | 1 | Olfactory Epithelium, Erosion | 3 1 1 2 1| Olfactory Epithelium, Metaplasia | 2 1 1 | Respiratory Epithelium, Cyst | 2 1 2 2 2 1 | Respiratory Epithelium, Hyperplasia | 1 1 3 1 2 2 2 2 2 1 1 2| Respiratory Epithelium, Hyperplasia, | | Papillary | 3 2 | __________________________________________________________________________| Trachea | + + + + + + + M + + | Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Anterior, Synechia | 4 | Cornea, Inflammation, Chronic Active | | Lens, Right, Cataract | 4 | Retina, Degeneration | 4 | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + +| Bacterium | | Infiltration Cellular, Multifocal, | | Lymphocyte | 2 | Inflammation, Acute, Multifocal, | | Suppurative | | _____________________________________________________________________________________________________________________| Page 71 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 6| 7| 6| 5| 4| 6| 5| 7| 6| 7| 6| 6| 5| 7| 7| 6| 5| 7| 5| 7| 6| DAY ON TEST | 2| 2| 3| 3| 9| 2| 9| 5| 8| 6| 3| 2| 8| 2| 2| 9| 3| 2| 2| 8| 5| 2| 8| 1| 8| | 9| 9| 3| 3| 5| 8| 7| 4| 4| 0| 9| 9| 9| 8| 4| 7| 9| 8| 8| 0| 4| 8| 3| 4| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 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| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 100 PPM | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| | 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Nephropathy, Chronic | 2 4 4 4 3 2 2 4 2 2 4 3 4 4 4 4 4| Pigmentation, Diffuse | 3 | Pigmentation, Multifocal | | Cortex, Cyst | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 72 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 4| 7| 3| 5| 6| 7| 6| 4| 7| 6| 4| 6| 6| 7| 5| 7| 7| 6| 7| 6| 7| 7| | DAY ON TEST | 3| 3| 5| 7| 3| 9| 9| 1| 2| 8| 6| 3| 9| 9| 6| 1| 0| 1| 3| 3| 2| 3| 2| 3| 3| | | 0| 7| 8| 9| 0| 3| 3| 1| 9| 7| 5| 0| 4| 9| 6| 3| 0| 9| 0| 0| 7| 0| 3| 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 MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + | 15 | __________________________________________________________________________|____________| Intestine Large | + + + + + | 15 | __________________________________________________________________________|____________| Intestine Large, Cecum | M + A M + | 9 | __________________________________________________________________________|____________| Intestine Large, Colon | + + A + + | 13 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + A + + | 12 | __________________________________________________________________________|____________| Intestine Small | + + + + + | 16 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + | 14 | Inflammation, Acute, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + M A + + | 12 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + + | 13 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + +| 42 | Angiectasis, Focal | 3 | 3 2.3| Basophilic Focus | X | 4 | Basophilic Focus, Multiple | X X | 3 | Congestion | | 2 3.5| Cytomegaly, Focal | 2 | 1 2.0| Cytomegaly, Multifocal | 2 | 1 2.0| Eosinophilic Focus | | 1 | Fatty Change, Diffuse | | 3 3.0| Fatty Change, Focal | | 1 3.0| Fatty Change, Multifocal | 3 | 3 2.0| Hepatodiaphragmatic Nodule | X X| 3 | Hepatodiaphragmatic Nodule, Multiple | X | 1 | Mitotic Alteration | 2 | 2 1.5| Necrosis, Focal | 2 | 1 2.0| Necrosis, Multifocal | 1 2 | 3 1.7| Pigmentation, Multifocal | | 1 2.0| Vacuolization Cytoplasmic, Multifocal| 2 | 1 2.0| Bile Duct, Hyperplasia, Multifocal | 3 1 2 1 2 2 2 2 1 2 3 3 2| 23 2.0| Centrilobular, Degeneration, Diffuse | 2 2 2 | 5 2.2| Centrilobular, Fatty Change, Diffuse | 4 | 2 3.5| Centrilobular, Necrosis, Multifocal | 3 | 1 3.0| Periportal, Fatty Change, Diffuse | | 1 2.0| Portal, Fibrosis, Multifocal | | 1 2.0| Portal, Inflammation, Chronic Active,| | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Mesentery | + + + | 4 | Artery, Ectasia, Multifocal | 4 | 1 4.0| Artery, 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 73 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 4| 7| 3| 5| 6| 7| 6| 4| 7| 6| 4| 6| 6| 7| 5| 7| 7| 6| 7| 6| 7| 7| | DAY ON TEST | 3| 3| 5| 7| 3| 9| 9| 1| 2| 8| 6| 3| 9| 9| 6| 1| 0| 1| 3| 3| 2| 3| 2| 3| 3| | | 0| 7| 8| 9| 0| 3| 3| 1| 9| 7| 5| 0| 4| 9| 6| 3| 0| 9| 0| 0| 7| 0| 3| 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 MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Multifocal | 4 | 1 4.0| Artery, Mineralization, Multifocal | 4 | 1 4.0| Fat, Necrosis, Focal | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + A + + + + + | 19 | Acinus, Atrophy, Diffuse | 4 | 1 4.0| Acinus, Atrophy, Multifocal | 3 | 2 2.5| Artery, Ectasia, Multifocal | 4 | 1 4.0| Artery, Fibrosis | 3 | 1 3.0| Artery, Inflammation, Chronic, | | | Multifocal | 4 | 1 4.0| Artery, Mineralization, Multifocal | 4 | 1 4.0| __________________________________________________________________________|____________| Pharynx | + | 1 | Inflammation, Chronic Active, | | | Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + | 18 | __________________________________________________________________________|____________| Stomach | + + + + + | 15 | __________________________________________________________________________|____________| Stomach, Forestomach | + + A + M | 13 | Inflammation, Chronic Active | | 2 3.5| Ulcer | | 1 4.0| Epithelium, Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + A + + | 14 | Infiltration Cellular, Lymphocyte | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | + | 3 | Dysplasia | 1 | 3 1.7| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + M + + | 14 | Cardiomyopathy | 1 1 2 | 10 2.1| Atrium Left, Thrombosis | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + | 24 | Capsule, Accessory Adrenal Cortical | | | Nodule | | 2 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + A + + + + | 20 | Degeneration, Diffuse, Fatty | 1 3 | 5 2.2| Degeneration, Fatty, Focal | 1 | 4 2.0| Degeneration, Fatty, Multifocal | 2 | 1 2.0| Hyperplasia, Focal | 2 | 2 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 74 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 4| 7| 3| 5| 6| 7| 6| 4| 7| 6| 4| 6| 6| 7| 5| 7| 7| 6| 7| 6| 7| 7| | DAY ON TEST | 3| 3| 5| 7| 3| 9| 9| 1| 2| 8| 6| 3| 9| 9| 6| 1| 0| 1| 3| 3| 2| 3| 2| 3| 3| | | 0| 7| 8| 9| 0| 3| 3| 1| 9| 7| 5| 0| 4| 9| 6| 3| 0| 9| 0| 0| 7| 0| 3| 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 MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Hypertrophy, Focal | 2 | 2 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + A + + + + + | 21 | Hyperplasia, Focal | 2 | 3 2.3| Hyperplasia, Multifocal | 2 2 | 2 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + A + + + + + | 16 | Hyperplasia, Multifocal | | 2 1.5| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + | 14 | Hyperplasia | 2 | 2 2.5| __________________________________________________________________________|____________| Pituitary Gland | + + + + + A + + + + + + + + + + | 35 | Pars Distalis, Angiectasis | | 1 2.0| Pars Distalis, Cyst | 2 1 | 4 2.0| Pars Distalis, Hyperplasia, Focal | 2 2 | 3 2.3| Pars Distalis, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 20 | C-Cell, Hyperplasia, Focal | | 1 2.0| C-Cell, Hyperplasia, Multifocal | | 1 3.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + | 16 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + | 18 | Abscess | 4 | 2 4.0| Ectasia | | 2 3.5| Inflammation, Granulomatous, | | | Multifocal | 2 | 4 1.8| __________________________________________________________________________|____________| Prostate | + M + + + + + + | 18 | Hyperplasia, Multifocal | | 2 3.5| Inflammation, Chronic Active | 2 2 | 6 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + M + M + + M + | 13 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + +| 42 | Hemorrhage | 4 | 1 4.0| Mineralization, Multifocal | 2 | 1 2.0| Arteriole, Inflammation | 2 | 2 2.5| Interstitial Cell, Hyperplasia | 2 2 | 4 2.3| Seminiferous Tubule, Atrophy | 3 3 2 2 2 3 | 11 2.7| Serosa, Necrosis, Focal | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 75 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 4| 7| 3| 5| 6| 7| 6| 4| 7| 6| 4| 6| 6| 7| 5| 7| 7| 6| 7| 6| 7| 7| | DAY ON TEST | 3| 3| 5| 7| 3| 9| 9| 1| 2| 8| 6| 3| 9| 9| 6| 1| 0| 1| 3| 3| 2| 3| 2| 3| 3| | | 0| 7| 8| 9| 0| 3| 3| 1| 9| 7| 5| 0| 4| 9| 6| 3| 0| 9| 0| 0| 7| 0| 3| 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 MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + A + + | 15 | Atrophy | | 1 3.0| Hyperplasia | 2 | 2 2.0| Metaplasia, Osseous | 1 | 1 1.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + | 27 | Mediastinal, Hemorrhage | 4 | 2 3.0| Pancreatic, Hemorrhage | 1 | 1 1.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M M + A M + + | 14 | Hemorrhage | | 1 3.0| Hyperplasia, Plasma Cell | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + M + + + A + + + | 17 | Hemorrhage | | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + | 35 | Congestion | | 1 4.0| Fibrosis, Focal | 3 | 2 2.5| Fibrosis, Multifocal | 4 | 2 3.5| Hematopoietic Cell Proliferation | 4 3 | 2 3.5| Pigmentation, Hemosiderin | | 1 2.0| __________________________________________________________________________|____________| Thymus | + M + M + + | 14 | Angiectasis, Multifocal | 2 | 1 2.0| Hemorrhage | | 1 3.0| Hyperplasia, Tubular | | 2 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M + + + + + + | 20 | Ectasia, Diffuse | 3 | 4 3.0| Ectasia, Multifocal | 2 | 7 2.4| Hyperplasia, Diffuse | 2 | 2 2.0| Inflammation, Granulomatous | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + | 23 | Cyst Epithelial Inclusion | X | 3 4.0| Hyperkeratosis | | 2 3.5| Hyperplasia, Squamous | | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic Active | | 2 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + | 18 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 76 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 4| 7| 3| 5| 6| 7| 6| 4| 7| 6| 4| 6| 6| 7| 5| 7| 7| 6| 7| 6| 7| 7| | DAY ON TEST | 3| 3| 5| 7| 3| 9| 9| 1| 2| 8| 6| 3| 9| 9| 6| 1| 0| 1| 3| 3| 2| 3| 2| 3| 3| | | 0| 7| 8| 9| 0| 3| 3| 1| 9| 7| 5| 0| 4| 9| 6| 3| 0| 9| 0| 0| 7| 0| 3| 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 MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | Fibrous Osteodystrophy | 3 4 | 3 3.3| __________________________________________________________________________|____________| Skeletal Muscle | + + + + | 4 | Hemorrhage, Acute | 4 4 | 2 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + | 15 | Compression | | 5 | Hydrocephalus | | 2 2.5| Perivascular, Infiltration Cellular, | | | Multifocal, Mixed Cell | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + M M M | 5 | Inflammation, Chronic Active, Focal | | 1 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia, | | | Focal | 2 | 1 2.0| Alveolar Epithelium, Hyperplasia, | | | Multifocal | | 2 3.0| Interstitium, Inflammation, Chronic, | | | Diffuse | 2 | 1 2.0| Interstitium, Inflammation, Chronic, | | | Multifocal | 1 | 4 1.8| Interstitium, Mineralization, | | | Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lumen, Exudate | 2 4 3 2 | 5 2.4| Lumen, Foreign Body | 1 1 1 | 5 1.4| Mucosa, Inflammation, Chronic | 1 | 4 1.8| Mucosa, Inflammation, Chronic Active | 2 4 1 2 1 2 | 9 2.0| Mucosa, Thrombosis, Multifocal | 1 4 4 | 5 2.8| Nasolacrimal Duct, Exudate | 3 1 | 3 2.7| Nasolacrimal Duct, Inflammation, | | | Acute | | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Chronic | 1 1 1 2 1 1 1 1 1| 16 1.3| Nasolacrimal Duct, Inflammation, | | | Chronic Active | 1 | 1 1.0| Olfactory Epithelium, Atrophy | 1 | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 77 NTP Experiment-Test: 05070-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC VINYL TOLUENE Date: 04/30/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:28:19 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 4| 7| 3| 5| 6| 7| 6| 4| 7| 6| 4| 6| 6| 7| 5| 7| 7| 6| 7| 6| 7| 7| | DAY ON TEST | 3| 3| 5| 7| 3| 9| 9| 1| 2| 8| 6| 3| 9| 9| 6| 1| 0| 1| 3| 3| 2| 3| 2| 3| 3| | | 0| 7| 8| 9| 0| 3| 3| 1| 9| 7| 5| 0| 4| 9| 6| 3| 0| 9| 0| 0| 7| 0| 3| 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 MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| T | ANIMAL ID | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| A | 100 PPM | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| L | | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Olfactory Epithelium, Cyst | 1 1 1 | 4 1.0| Olfactory Epithelium, Erosion | 1 1 1 | 8 1.4| Olfactory Epithelium, Metaplasia | 2 1 1| 6 1.3| Respiratory Epithelium, Cyst | 1 1 1 2 2 1 2 | 13 1.5| Respiratory Epithelium, Hyperplasia | 2 1 1 2 2 1 3 1 1 1 1 1 | 24 1.5| Respiratory Epithelium, Hyperplasia, | | | Papillary | 2 2 2 | 5 2.2| __________________________________________________________________________|____________| Trachea | + + + + + | 14 | Inflammation, Chronic | | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Anterior, Synechia | | 1 4.0| Cornea, Inflammation, Chronic Active | 4 | 1 4.0| Lens, Right, Cataract | | 1 4.0| Retina, Degeneration | | 1 4.0| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + A + + + + + + + + + + | 35 | Bacterium | 4 | 1 4.0| Infiltration Cellular, Multifocal, | | | Lymphocyte | | 1 2.0| Inflammation, Acute, Multifocal, | | | Suppurative | 4 | 1 4.0| Nephropathy, Chronic | 4 2 4 1 3 4 4 4 2 2 4 1 4 4 4 | 32 3.2| Pigmentation, Diffuse | 1 | 2 2.0| Pigmentation, Multifocal | 2 | 1 2.0| Cortex, Cyst | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | M + + + M | 12 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 709506-709506/709506 --multipart-boundary--