TDMS Study 05067-09 Pathology Tables
NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 CORE STUDY Facility: Southern Research Institute Chemical CAS #: 58-55-9 Lock Date: 09/03/93 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All a Number of animals examined microscopically at site and number of animals with lesion Page 1 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 50 50 50 50 Early Deaths Moribund Sacrifice 17 12 14 7 Natural Death 1 7 3 7 Dosing Accident 1 3 Survivors Terminal Sacrifice 31 30 33 33 Natural Death 1 Animals Examined Microscopically 50 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (50) (50) (50) (50) Inflammation, Focal 1 (2%) Perforation 1 (2%) Intestine Large, Colon (50) (47) (50) (50) Parasite Metazoan 4 (8%) 2 (4%) Intestine Large, Rectum (50) (47) (50) (50) Parasite Metazoan 1 (2%) 4 (8%) 2 (4%) Intestine Large, Cecum (50) (47) (50) (50) Parasite Metazoan 1 (2%) Liver (50) (50) (50) (50) Angiectasis 1 (2%) 2 (4%) 1 (2%) Basophilic Focus 40 (80%) 37 (74%) 31 (62%) 32 (64%) Clear Cell Focus 3 (6%) 2 (4%) Eosinophilic Focus 2 (4%) Hemorrhage 1 (2%) Hepatodiaphragmatic Nodule 5 (10%) 4 (8%) 7 (14%) 7 (14%) Hyperplasia, Focal, Histiocytic 6 (12%) 2 (4%) 1 (2%) 3 (6%) Hyperplasia, Focal, Lymphoid 4 (8%) 2 (4%) 1 (2%) 4 (8%) Infiltration Cellular, Mixed Cell 1 (2%) 5 (10%) 4 (8%) Mineralization, Focal 1 (2%) Mixed Cell Focus 2 (4%) 5 (10%) 5 (10%) 7 (14%) Vacuolization Cytoplasmic 4 (8%) Bile Duct, Hyperplasia 8 (16%) 7 (14%) 4 (8%) 7 (14%) Centrilobular, Degeneration 1 (2%) Centrilobular, Necrosis 1 (2%) Mesentery (11) (12) (8) (4) Accessory Spleen 1 (9%) 1 (8%) 1 (25%) Hemorrhage 1 (25%) Infiltration Cellular, Focal, Mixed Cell 1 (9%) Inflammation, Chronic 1 (9%) Necrosis, Fatty 1 (8%) Artery, Inflammation, Chronic 1 (9%) 2 (25%) a Number of animals examined microscopically at site and number of animals with lesion Page 2 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Fat, Necrosis 6 (55%) 9 (75%) 2 (25%) Vein, Inflammation, Chronic 1 (13%) Pancreas (50) (48) (49) (50) Inflammation, Chronic 1 (2%) Acinus, Atrophy, Focal 3 (6%) 9 (19%) 10 (20%) 9 (18%) Acinus, Hyperplasia, Focal 2 (4%) 1 (2%) Salivary Glands (50) (49) (50) (50) Duct, Cyst 1 (2%) Stomach, Forestomach (50) (50) (50) (50) Inflammation, Chronic 3 (6%) 1 (2%) Ulcer 1 (2%) Epithelium, Hyperplasia 2 (4%) 1 (2%) Tooth (1) Developmental Malformation 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (50) (50) (50) Thrombosis 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (50) (50) (50) (50) Accessory Adrenal Cortical Nodule 1 (2%) 3 (6%) 2 (4%) Angiectasis 1 (2%) Cytoplasmic Alteration, Focal 6 (12%) 2 (4%) 6 (12%) 5 (10%) Hematopoietic Cell Proliferation 1 (2%) Hemorrhage 1 (2%) 1 (2%) Vacuolization Cytoplasmic 1 (2%) Adrenal Medulla (50) (49) (50) (49) Hyperplasia 3 (6%) 4 (8%) 3 (6%) 5 (10%) Pituitary Gland (47) (50) (49) (49) Angiectasis 6 (13%) 5 (10%) 6 (12%) 2 (4%) Fibrosis, Focal 1 (2%) Metaplasia, Focal, Osseous 1 (2%) Pars Distalis, Angiectasis 1 (2%) 3 (6%) Pars Distalis, Cyst 8 (17%) 14 (28%) 7 (14%) 7 (14%) Pars Distalis, Cytoplasmic Alteration, Focal 2 (4%) 4 (8%) 2 (4%) 4 (8%) Pars Distalis, Hyperplasia 1 (2%) Pars Distalis, Hyperplasia, Focal 3 (6%) 1 (2%) 2 (4%) 3 (6%) Pars Distalis, Necrosis 1 (2%) Thyroid Gland (50) (50) (50) (50) Ultimobranchial Cyst 1 (2%) C-Cell, Hyperplasia 6 (12%) 3 (6%) 1 (2%) 5 (10%) Follicle, Cyst 1 (2%) 1 (2%) 1 (2%) 2 (4%) a Number of animals examined microscopically at site and number of animals with lesion Page 3 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - CONT Follicular Cell, Hyperplasia 2 (4%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (49) (50) (50) (50) Degeneration, Cystic 8 (16%) 6 (12%) 8 (16%) 3 (6%) Hyperplasia 3 (6%) 1 (2%) 3 (6%) 2 (4%) Inflammation, Chronic 2 (4%) 2 (4%) 2 (4%) Ovary (50) (50) (50) (50) Cyst 3 (6%) 2 (4%) 1 (2%) 2 (4%) Bilateral, Cyst 1 (2%) 1 (2%) Uterus (50) (50) (50) (50) Hemorrhage 1 (2%) Hydrometra 1 (2%) 3 (6%) 2 (4%) 3 (6%) Hyperplasia, Cystic 1 (2%) Cervix, Hypertrophy 2 (4%) Endometrium, Hyperplasia, Cystic 8 (16%) 7 (14%) 8 (16%) 11 (22%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (49) (50) (50) Depletion Cellular 1 (2%) 1 (2%) Hyperplasia 1 (2%) Hyperplasia, Focal, Histiocytic 1 (2%) 4 (8%) Myelofibrosis 1 (2%) 1 (2%) Lymph Node (9) (10) (9) (8) Iliac, Ectasia 1 (11%) Inguinal, Pigmentation 1 (10%) Mediastinal, Ectasia 1 (11%) Mediastinal, Hemorrhage 1 (11%) 2 (25%) Mediastinal, Pigmentation 4 (44%) 3 (30%) 1 (11%) 2 (25%) Pancreatic, Ectasia 1 (11%) Pancreatic, Pigmentation 1 (11%) Renal, Hyperplasia 1 (10%) Lymph Node, Mandibular (49) (48) (50) (50) Congestion 2 (4%) Ectasia 1 (2%) 1 (2%) Hemorrhage 3 (6%) Hyperplasia 1 (2%) Hyperplasia, Lymphoid 2 (4%) a Number of animals examined microscopically at site and number of animals with lesion Page 4 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - CONT Lymph Node, Mesenteric (50) (50) (50) (50) Hemorrhage 1 (2%) Hyperplasia, Lymphoid 1 (2%) Pigmentation 2 (4%) 1 (2%) 1 (2%) Spleen (50) (48) (50) (50) Hematopoietic Cell Proliferation 5 (10%) 7 (15%) 11 (22%) 3 (6%) Hemorrhage 1 (2%) Pigmentation 2 (4%) Thymus (49) (49) (48) (50) Angiectasis 1 (2%) Cyst 1 (2%) 1 (2%) 2 (4%) Hemorrhage 1 (2%) Hyperplasia, Lymphoid 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (50) (50) (50) (49) Cyst 1 (2%) Ectasia 26 (52%) 23 (46%) 23 (46%) 20 (41%) Hyperplasia 5 (10%) 3 (6%) 4 (8%) 6 (12%) Skin (50) (50) (50) (50) Inflammation, Chronic, Focal 2 (4%) 1 (2%) 2 (4%) Ulcer 1 (2%) 3 (6%) 1 (2%) Subcutaneous Tissue, Fibrosis, Focal 1 (2%) Subcutaneous Tissue, Hemorrhage, Focal 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) (50) (50) Hyperostosis 5 (10%) 3 (6%) 2 (4%) 2 (4%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (50) (50) (50) Atrophy, Focal 10 (20%) 7 (14%) 7 (14%) 8 (16%) Hemorrhage, Focal 3 (6%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (50) (50) (50) Congestion 2 (4%) 1 (2%) 5 (10%) Hemorrhage 1 (2%) 1 (2%) Hyperplasia, Histiocytic 1 (2%) 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 5 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - CONT Inflammation, Chronic 1 (2%) Alveolar Epithelium, Hyperplasia 1 (2%) 1 (2%) 1 (2%) 3 (6%) Interstitium, Edema 1 (2%) Nose (50) (50) (50) (50) Foreign Body 1 (2%) Inflammation, Suppurative 3 (6%) 3 (6%) 1 (2%) 2 (4%) Mucosa, Glands, Dilatation, Focal 1 (2%) Nasolacrimal Duct, Inflammation, Suppurative 1 (2%) 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (2) (3) (9) (11) Cataract 2 (18%) Inflammation, Chronic 1 (9%) Cornea, Inflammation, Chronic 2 (18%) Cornea, Pigmentation 1 (9%) Retina, Degeneration 1 (9%) Sclera, Metaplasia, Focal, Osseous 1 (33%) 3 (33%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (48) (50) (49) Angiectasis 1 (2%) Cyst 1 (2%) 2 (4%) Fibrosis, Focal 1 (2%) Inflammation, Chronic 1 (2%) Inflammation, Suppurative 1 (2%) Nephropathy 43 (86%) 36 (75%) 41 (82%) 41 (84%) Papilla, Mineralization, Focal 1 (2%) Pelvis, Dilatation 1 (2%) Pelvis, Mineralization 2 (4%) Pelvis, Transitional Epithelium, Hyperplasia 1 (2%) 1 (2%) 2 (4%) Renal Tubule, Pigmentation 1 (2%) Ureter (1) Inflammation, Chronic 1 (100%) Transitional Epithelium, Hyperplasia 1 (100%) Urinary Bladder (50) (49) (50) (50) Calculus Gross Observation 1 (2%) 1 (2%) Calculus Micro Observation Only 1 (2%) Inflammation, Chronic 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 6 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ URINARY SYSTEM - CONT Transitional Epithelium, Hyperplasia 1 (2%) 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 7 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 50 50 50 50 Early Deaths Moribund Sacrifice 21 11 18 13 Natural Death 5 5 2 13 Dosing Accident 1 1 1 Survivors Terminal Sacrifice 23 33 29 24 Animals Examined Microscopically 50 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (50) (50) (50) (50) Hemorrhage 1 (2%) Inflammation, Focal 1 (2%) 1 (2%) Perforation 1 (2%) 1 (2%) Periesophageal Tissue, Inflammation, Focal 1 (2%) Intestine Large, Rectum (49) (48) (50) (49) Parasite Metazoan 1 (2%) Liver (50) (50) (50) (50) Angiectasis 1 (2%) 1 (2%) 1 (2%) Basophilic Focus 25 (50%) 20 (40%) 26 (52%) 14 (28%) Clear Cell Focus 4 (8%) 2 (4%) 1 (2%) 1 (2%) Congestion 1 (2%) 2 (4%) 1 (2%) Degeneration, Cystic 2 (4%) Hemorrhage 1 (2%) Hepatodiaphragmatic Nodule 6 (12%) 2 (4%) 3 (6%) 4 (8%) Hyperplasia, Focal, Histiocytic 1 (2%) Infiltration Cellular, Mixed Cell 4 (8%) 3 (6%) 1 (2%) 1 (2%) Mineralization, Focal 1 (2%) 1 (2%) Mixed Cell Focus 3 (6%) 3 (6%) 7 (14%) 3 (6%) Necrosis, Focal 2 (4%) Vacuolization Cytoplasmic 2 (4%) 1 (2%) Bile Duct, Hyperplasia 39 (78%) 39 (78%) 31 (62%) 29 (58%) Mesentery (16) (16) (17) (27) Accessory Spleen 1 (6%) Artery, Inflammation, Chronic 2 (13%) 2 (13%) 3 (18%) 15 (56%) Fat, Necrosis 15 (94%) 12 (75%) 15 (88%) 15 (56%) Lymphatic, Angiectasis 1 (4%) Pancreas (50) (50) (50) (50) Acinus, Atrophy, Focal 19 (38%) 13 (26%) 12 (24%) 9 (18%) Acinus, Hyperplasia 1 (2%) Acinus, Hyperplasia, Focal 9 (18%) 5 (10%) 2 (4%) Stomach, Forestomach (50) (50) (50) (50) Diverticulum 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 8 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Edema 1 (2%) Erosion 1 (2%) Inflammation, Chronic 5 (10%) 3 (6%) Ulcer 2 (4%) Epithelium, Hyperplasia 6 (12%) 3 (6%) Stomach, Glandular (50) (49) (50) (50) Erosion 1 (2%) Inflammation, Chronic 2 (4%) Mineralization 1 (2%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (50) (50) (50) Fibrosis, Focal 1 (2%) Hypertrophy 1 (2%) Inflammation, Chronic, Focal 1 (2%) Mineralization 1 (2%) 1 (2%) Pericardium, Inflammation, Suppurative 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (50) (50) (50) (50) Accessory Adrenal Cortical Nodule 1 (2%) 3 (6%) 3 (6%) Cytoplasmic Alteration, Focal 3 (6%) 1 (2%) 1 (2%) Hemorrhage 1 (2%) 1 (2%) 1 (2%) Hyperplasia, Focal 1 (2%) Infiltration Cellular, Focal, Mixed Cell 1 (2%) Necrosis, Focal 1 (2%) Adrenal Medulla (50) (49) (50) (50) Angiectasis 1 (2%) Hyperplasia 5 (10%) 9 (18%) 8 (16%) 4 (8%) Islets, Pancreatic (50) (50) (50) (50) Hyperplasia 1 (2%) Pituitary Gland (50) (49) (50) (48) Angiectasis 2 (4%) 3 (6%) 1 (2%) 1 (2%) Pars Distalis, Angiectasis 1 (2%) Pars Distalis, Cyst 2 (4%) 4 (8%) 3 (6%) 2 (4%) Pars Distalis, Cytoplasmic Alteration, Focal 2 (4%) 3 (6%) 2 (4%) 2 (4%) Pars Distalis, Degeneration, Focal 1 (2%) Pars Distalis, Hyperplasia, Focal 4 (8%) 3 (6%) 1 (2%) 3 (6%) Thyroid Gland (50) (50) (50) (50) C-Cell, Hyperplasia 6 (12%) 5 (10%) 5 (10%) 2 (4%) Follicle, Cyst 2 (4%) 4 (8%) 2 (4%) 2 (4%) Follicle, Pigmentation, Focal 1 (2%) 1 (2%) Follicular Cell, Hyperplasia 5 (10%) a Number of animals examined microscopically at site and number of animals with lesion Page 9 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (50) (50) (50) (50) Granuloma Sperm 1 (2%) Inflammation, Chronic 3 (6%) 1 (2%) Preputial Gland (50) (49) (50) (50) Cyst 1 (2%) Degeneration, Cystic 10 (20%) 7 (14%) 10 (20%) 4 (8%) Hyperplasia 3 (6%) 4 (8%) Inflammation, Chronic 5 (10%) 5 (10%) 8 (16%) 3 (6%) Prostate (50) (50) (50) (50) Cyst 1 (2%) Inflammation, Chronic 30 (60%) 33 (66%) 31 (62%) 20 (40%) Epithelium, Hyperplasia, Focal 5 (10%) 2 (4%) Seminal Vesicle (50) (50) (50) (50) Inflammation, Chronic 1 (2%) Testes (50) (50) (50) (50) Cyst 1 (2%) Germinal Epithelium, Degeneration 2 (4%) 4 (8%) 1 (2%) Interstitial Cell, Hyperplasia 2 (4%) 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (50) (50) (50) Myelofibrosis 2 (4%) Necrosis, Focal 1 (2%) Lymph Node (13) (11) (12) (9) Deep Cervical, Hyperplasia 1 (11%) Iliac, Ectasia 1 (9%) Iliac, Hyperplasia 1 (8%) Inguinal, Hyperplasia 1 (9%) 1 (8%) Inguinal, Hyperplasia, Lymphoid 1 (11%) Inguinal, Pigmentation 1 (9%) Mediastinal, Ectasia 1 (9%) Mediastinal, Hemorrhage 3 (23%) 3 (27%) 5 (42%) 5 (56%) Mediastinal, Hyperplasia, Lymphoid 1 (8%) 1 (8%) Mediastinal, Pigmentation 4 (31%) 3 (27%) 2 (17%) 2 (22%) Pancreatic, Ectasia 1 (8%) Pancreatic, Hyperplasia, Histiocytic 1 (8%) Pancreatic, Pigmentation 1 (8%) Lymph Node, Mandibular (48) (49) (50) (50) a Number of animals examined microscopically at site and number of animals with lesion Page 10 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - CONT Congestion 1 (2%) Ectasia 2 (4%) 1 (2%) Hemorrhage 3 (6%) 6 (12%) 2 (4%) Hyperplasia 1 (2%) 4 (8%) 1 (2%) Hyperplasia, Lymphoid 1 (2%) Lymph Node, Mesenteric (50) (49) (50) (49) Hyperplasia 1 (2%) Pigmentation 1 (2%) Spleen (49) (50) (50) (49) Fibrosis, Focal 4 (8%) 2 (4%) 2 (4%) Hematopoietic Cell Proliferation 4 (8%) 1 (2%) 2 (4%) Hemorrhage 1 (2%) Necrosis, Focal 1 (2%) Thymus (49) (47) (47) (50) Angiectasis 1 (2%) 3 (6%) Cyst 2 (4%) Hemorrhage 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (48) (49) (47) (48) Cyst 1 (2%) 1 (2%) Ectasia 13 (27%) 10 (20%) 8 (17%) 6 (13%) Hyperplasia 1 (2%) 1 (2%) 2 (4%) Inflammation, Chronic, Focal 1 (2%) Skin (50) (50) (50) (50) Cyst Epithelial Inclusion 1 (2%) Hyperkeratosis 1 (2%) Inflammation, Chronic, Focal 2 (4%) Ulcer 1 (2%) Dermis, Atrophy, Focal 1 (2%) Epidermis, Hyperplasia, Focal 1 (2%) 1 (2%) 2 (4%) Hair Follicle, Atrophy 1 (2%) Subcutaneous Tissue, Edema 1 (2%) 2 (4%) Subcutaneous Tissue, Hemorrhage, Focal 2 (4%) 1 (2%) 1 (2%) Subcutaneous Tissue, Inflammation, Chronic, Focal 4 (8%) Subcutaneous Tissue, Necrosis, Focal 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) (50) (50) Callus 1 (2%) Cranium, Hemorrhage 1 (2%) Skeletal Muscle (4) (1) (1) a Number of animals examined microscopically at site and number of animals with lesion Page 11 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - CONT Hemorrhage, Focal 1 (25%) 1 (100%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (49) (50) (49) Atrophy, Focal 10 (20%) 10 (20%) 8 (16%) 4 (8%) Hemorrhage, Focal 3 (6%) 3 (6%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (50) (50) (50) Congestion 1 (2%) 1 (2%) 8 (16%) Fibrosis, Focal 1 (2%) Foreign Body 1 (2%) 2 (4%) Hemorrhage 2 (4%) 3 (6%) Hyperplasia, Histiocytic 1 (2%) Inflammation, Chronic 1 (2%) 1 (2%) 2 (4%) Inflammation, Suppurative 2 (4%) Necrosis, Focal 1 (2%) Alveolar Epithelium, Hyperplasia 7 (14%) 2 (4%) 2 (4%) 1 (2%) Interstitium, Edema 1 (2%) Mediastinum, Inflammation, Acute 1 (2%) Serosa, Foreign Body 1 (2%) 1 (2%) Serosa, Inflammation 1 (2%) Nose (50) (49) (50) (50) Inflammation, Suppurative 5 (10%) 3 (6%) 7 (14%) 3 (6%) Nasolacrimal Duct, Inflammation, Suppurative 1 (2%) 1 (2%) Respiratory Epithelium, Hyperplasia, Focal 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Ear (1) External Ear, Inflammation, Chronic, Focal 1 (100%) Eye (8) (7) (15) Cataract 1 (13%) 1 (14%) Hemorrhage 2 (25%) Retinal Detachment 1 (13%) Cornea, Pigmentation 1 (13%) Retina, Degeneration 1 (14%) Sclera, Metaplasia, Focal, Osseous 1 (13%) 2 (29%) 8 (53%) Harderian Gland (1) Hypertrophy 1 (100%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 12 NTP Experiment-Test: 05067-09 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC THEOPHYLLINE Date: 07/11/96 Route: GAVAGE Time: 16:17:04 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 7.5 25 MG/KG 75 MG/KG CONTROL MG/KG ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (49) (49) (50) (49) Congestion 1 (2%) Cyst 2 (4%) 1 (2%) 1 (2%) Infarct 1 (2%) 1 (2%) Inflammation, Suppurative 1 (2%) Nephropathy 46 (94%) 44 (90%) 49 (98%) 48 (98%) Papilla, Mineralization, Focal 1 (2%) Papilla, Necrosis 1 (2%) Renal Tubule, Accumulation, Hyaline Droplet 1 (2%) 1 (2%) Renal Tubule, Dilatation 2 (4%) Renal Tubule, Hyperplasia, Focal 1 (2%) Renal Tubule, Pigmentation 1 (2%) 1 (2%) Ureter (1) Inflammation, Chronic 1 (100%) Transitional Epithelium, Hyperplasia 1 (100%) Urinary Bladder (50) (50) (50) (49) Inflammation, Chronic 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 13 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------