TR 399 Rat Pathology Tables
INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) TITANOCENE DICHLORIDE NTP Experiment-Test: 05047-01 Report: PEIRPT03 Study Type: CHRONIC Date: 09/06/94 Route: GAVAGE Time: 21:41:21 Facility: TSI Mason Research Chemical CAS #: 1271-19-8 Lock Date: None 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: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 0.025 G/ 0.05 G/K 79 VF KG 79 LF G 79 HF ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 80 80 80 Scheduled Sacrifice 10 10 10 Early Deaths Moribund 19 25 21 Dead 4 5 7 Accident 1 Moribund Sacrifice 1 Survivors Terminal Sacrifice 36 30 31 Moribund 1 Aborted 10 9 10 Animals Examined Microscopically 60 61 60 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Colon (57) (59) (59) Erosion 1 (2%) Inflammation, Acute 1 (2%) Parasite 2 (4%) 1 (2%) Intestine Small, Duodenum (59) (57) (56) Hyperplasia, Adenomatous 1 (2%) Pigmentation 25 (44%) 34 (61%) Intestine Small, Ileum (59) (56) (58) Fibrosis 1 (2%) Inflammation, Acute 2 (4%) Pigmentation 1 (2%) 1 (2%) Intestine Small, Jejunum (58) (56) (56) Pigmentation 1 (2%) 9 (16%) Liver (60) (61) (60) Abscess 1 (2%) Angiectasis 2 (3%) 2 (3%) Basophilic Focus 45 (75%) 45 (74%) 48 (80%) Clear Cell Focus 1 (2%) 3 (5%) 10 (17%) Degeneration, Cystic 1 (2%) 1 (2%) Eosinophilic Focus 2 (3%) Fatty Change, Diffuse 11 (18%) 6 (10%) 10 (17%) Fatty Change, Focal 15 (25%) 11 (18%) 14 (23%) Hepatodiaphragmatic Nodule 4 (7%) 6 (10%) 10 (17%) Hyperplasia 1 (2%) Inflammation, Granulomatous 6 (10%) 24 (39%) 33 (55%) Mixed Cell Focus 2 (3%) 5 (8%) 3 (5%) Necrosis 3 (5%) 6 (10%) 7 (12%) Pigmentation 3 (5%) 45 (74%) 50 (83%) a Number of animals examined microscopically at site and number of animals with lesion Page 2 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 0.025 G/ 0.05 G/K 79 VF KG 79 LF G 79 HF ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Thrombosis 1 (2%) Bile Duct, Hyperplasia 17 (28%) 4 (7%) Mesentery (3) (9) (10) Fat, Inflammation, Chronic Active 2 (22%) 2 (20%) Fat, Necrosis 1 (33%) 7 (78%) 6 (60%) Pancreas (60) (61) (59) Fibrosis 1 (2%) Inflammation, Chronic Active 1 (2%) Acinus, Atrophy 1 (2%) Acinus, Hyperplasia 6 (10%) 4 (7%) 8 (14%) Salivary Glands (60) (61) (60) Inflammation, Chronic Active 1 (2%) Stomach (60) (60) (60) Fat, Proliferation 15 (25%) 41 (68%) Polyp Adenomatous, Inflammation 1 (2%) Stomach, Forestomach (60) (60) (60) Acanthosis 11 (18%) 20 (33%) 27 (45%) Hyperkeratosis 10 (17%) 23 (38%) 21 (35%) Inflammation, Acute 1 (2%) 4 (7%) Necrosis 6 (10%) Stomach, Glandular (60) (60) (60) Erosion 2 (3%) 11 (18%) 10 (17%) Fibrosis 39 (65%) 51 (85%) Hemorrhage 3 (5%) 2 (3%) Hyperplasia 24 (40%) 23 (38%) Hyperplasia, Adenomatous 1 (2%) Inflammation, Acute 4 (7%) 5 (8%) Metaplasia 36 (60%) 51 (85%) Mineralization 7 (12%) 2 (3%) Pigmentation 19 (32%) 24 (40%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (60) (61) (60) Bacterium 1 (2%) Cardiomyopathy 23 (38%) 23 (38%) 23 (38%) Mineralization 1 (2%) Thrombosis 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland, Cortex (59) (61) (60) Degeneration 1 (2%) Degeneration, Cystic 1 (2%) Hemorrhage 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 3 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 0.025 G/ 0.05 G/K 79 VF KG 79 LF G 79 HF ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - CONT Hyperplasia 3 (5%) 2 (3%) 1 (2%) Necrosis 1 (2%) 1 (2%) Pigmentation, Ceroid 1 (2%) Adrenal Gland, Medulla (58) (60) (59) Hyperplasia 13 (22%) 8 (13%) 6 (10%) Parathyroid Gland (55) (53) (51) Hyperplasia 1 (2%) Pituitary Gland (59) (59) (60) Cyst 1 (2%) Pars Distalis, Angiectasis 27 (46%) 21 (36%) 23 (38%) Pars Distalis, Cyst 4 (7%) 4 (7%) 2 (3%) Pars Distalis, Hyperplasia 13 (22%) 18 (31%) 24 (40%) Pars Distalis, Pigmentation 1 (2%) Pars Intermedia, Cyst 1 (2%) 1 (2%) Pars Intermedia, Hyperplasia 1 (2%) Pars Nervosa, Cyst 1 (2%) Thyroid Gland (60) (57) (59) C-Cell, Hyperplasia 8 (13%) 17 (30%) 13 (22%) Follicle, Cyst 1 (2%) Follicular Cell, Hyperplasia 2 (3%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Tissue NOS (1) Hemorrhage 1 (100%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (56) (55) (56) Inflammation, Acute 1 (2%) Necrosis 1 (2%) 1 (2%) Ovary (58) (61) (60) Cyst 3 (5%) 6 (10%) 1 (2%) Degeneration, Cystic 1 (2%) Hyperplasia, Tubular 1 (2%) Uterus (60) (61) (60) Cyst 2 (3%) Decidual Reaction 1 (2%) Hemorrhage 2 (3%) 3 (5%) Inflammation, Acute 2 (3%) Necrosis 1 (2%) Prolapse 1 (2%) Thrombosis 1 (2%) Cervix, Hemorrhage 1 (2%) Cervix, Inflammation, Acute 2 (3%) a Number of animals examined microscopically at site and number of animals with lesion Page 4 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 0.025 G/ 0.05 G/K 79 VF KG 79 LF G 79 HF ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - CONT Endometrium, Hyperplasia 2 (3%) 2 (3%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (59) (61) (59) Pigmentation 8 (13%) 26 (44%) Lymph Node (60) (61) (60) Lumbar, Degeneration, Cystic 1 (2%) Mediastinal, Angiectasis 1 (2%) Mediastinal, Congestion 1 (2%) Mediastinal, Hemorrhage 1 (2%) Mediastinal, Infiltration Cellular, Plasma Cell 1 (2%) Mediastinal, Infiltration Cellular, Histiocyte 12 (20%) 21 (34%) 27 (45%) Mediastinal, Pigmentation 1 (2%) 23 (38%) 25 (42%) Pancreatic, Angiectasis 1 (2%) 1 (2%) Pancreatic, Hematopoietic Cell Proliferation 1 (2%) Pancreatic, Infiltration Cellular, Histiocyte 3 (5%) 5 (8%) 17 (28%) Pancreatic, Pigmentation 10 (16%) 18 (30%) Renal, Angiectasis 1 (2%) Renal, Infiltration Cellular, Histiocyte 1 (2%) Lymph Node, Mandibular (56) (59) (60) Infiltration Cellular, Histiocyte 9 (16%) 6 (10%) 22 (37%) Pigmentation 34 (58%) 26 (43%) Lymph Node, Mesenteric (60) (61) (60) Angiectasis 2 (3%) Degeneration, Cystic 1 (2%) Depletion Lymphoid 1 (2%) Infiltration Cellular, Histiocyte 27 (45%) 45 (74%) 47 (78%) Pigmentation 1 (2%) 47 (77%) 49 (82%) Spleen (60) (60) (60) Angiectasis 3 (5%) Depletion Lymphoid 2 (3%) 3 (5%) 2 (3%) Fibrosis 1 (2%) 1 (2%) Hematopoietic Cell Proliferation 33 (55%) 43 (72%) 43 (72%) Hemorrhage 1 (2%) Infiltration Cellular, Histiocyte 34 (57%) 28 (47%) 34 (57%) Inflammation, Granulomatous 1 (2%) Necrosis 2 (3%) Pigmentation 1 (2%) 34 (57%) 33 (55%) Pigmentation, Hemosiderin 9 (15%) 25 (42%) 36 (60%) Capsule, Hemorrhage 1 (2%) Capsule, Necrosis 1 (2%) Thymus (55) (56) (58) Cyst 1 (2%) 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 5 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 0.025 G/ 0.05 G/K 79 VF KG 79 LF G 79 HF ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - CONT Depletion Lymphoid 1 (2%) 1 (2%) Pigmentation 5 (9%) 34 (61%) 41 (71%) Epithelial Cell, Hyperplasia 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (56) (56) (49) Galactocele 21 (38%) 12 (21%) 7 (14%) Acinus, Hyperplasia 1 (2%) Skin (60) (61) (58) Abscess 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (60) (61) (60) Hyperplasia 1 (2%) Necrosis 1 (2%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (60) (61) (60) Hemorrhage 1 (2%) Necrosis 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (60) (61) (60) Atelectasis 3 (5%) 5 (8%) 5 (8%) Bacterium 1 (2%) Congestion 3 (5%) 4 (7%) 3 (5%) Edema 3 (5%) 5 (8%) 6 (10%) Hemorrhage 2 (3%) 7 (11%) 3 (5%) Infiltration Cellular, Histiocyte 22 (37%) 48 (79%) 46 (77%) Inflammation, Acute 2 (3%) 4 (7%) 9 (15%) Inflammation, Granulomatous 3 (5%) 8 (13%) Metaplasia, Osseous 1 (2%) Pigmentation 1 (2%) 23 (38%) 35 (58%) Pigmentation, Cholesterol 1 (2%) Alveolar Epithelium, Hyperplasia 1 (2%) 1 (2%) 4 (7%) Nose (60) (61) (60) Fungus 1 (2%) 2 (3%) 1 (2%) Hemorrhage 2 (3%) Inflammation, Acute 7 (12%) 13 (21%) 15 (25%) a Number of animals examined microscopically at site and number of animals with lesion Page 6 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 0.025 G/ 0.05 G/K 79 VF KG 79 LF G 79 HF ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - CONT Submucosa, Glands, Hyperplasia 1 (2%) Trachea (60) (59) (60) Erosion 1 (2%) Inflammation, Acute 1 (2%) 1 (2%) Inflammation, Chronic Active 1 (2%) Metaplasia, Squamous 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Ear (1) (6) Inflammation, Acute 1 (17%) Canal, Abscess 1 (100%) 2 (33%) Eye (5) (11) (18) Hemorrhage 1 (6%) Inflammation, Acute 1 (9%) 1 (6%) Synechia 2 (40%) 1 (9%) 3 (17%) Lens, Cataract 1 (20%) 5 (45%) 4 (22%) Retina, Atrophy 3 (60%) 2 (11%) Harderian Gland (4) (8) (14) Pigmentation 1 (13%) 5 (36%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (60) (61) (60) Bacterium 1 (2%) Cyst 1 (2%) Inflammation, Chronic Active 1 (2%) Nephropathy 32 (53%) 26 (43%) 35 (58%) Cortex, Mineralization 4 (7%) 4 (7%) 2 (3%) Papilla, Mineralization 5 (8%) 10 (16%) 6 (10%) Pelvis, Mineralization 2 (3%) Renal Tubule, Hyperplasia 1 (2%) Renal Tubule, Pigmentation 35 (58%) 32 (52%) 40 (67%) Urinary Bladder (60) (58) (60) Hemorrhage 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 7 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 80 80 80 Scheduled Sacrifice 10 10 10 Early Deaths Dead 11 15 17 Moribund 8 14 17 Accident 1 2 Survivors Terminal Sacrifice 41 30 24 Aborted 10 10 10 Animals Examined Microscopically 60 60 60 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Cecum (54) (54) (55) Pigmentation 1 (2%) Intestine Large, Colon (56) (54) (57) Parasite 4 (7%) 2 (4%) 4 (7%) Pigmentation 1 (2%) Intestine Large, Rectum (54) (55) (54) Parasite 5 (9%) 1 (2%) Intestine Small, Duodenum (59) (54) (53) Pigmentation 23 (43%) 36 (68%) Intestine Small, Ileum (55) (52) (57) Pigmentation 3 (5%) Lymphoid Tissue, Hyperplasia 1 (2%) Intestine Small, Jejunum (53) (53) (51) Pigmentation 1 (2%) 14 (27%) Lymphoid Tissue, Hyperplasia 1 (2%) Liver (60) (59) (60) Angiectasis 1 (2%) Basophilic Focus 46 (77%) 36 (61%) 40 (67%) Clear Cell Focus 16 (27%) 14 (24%) 14 (23%) Congestion 1 (2%) Cyst 1 (2%) Degeneration, Cystic 1 (2%) 3 (5%) 4 (7%) Eosinophilic Focus 4 (7%) 7 (12%) 14 (23%) Fatty Change, Diffuse 5 (8%) 6 (10%) Fatty Change, Focal 9 (15%) 19 (32%) 19 (32%) Fibrosis 1 (2%) Hemorrhage 1 (2%) Hepatodiaphragmatic Nodule 4 (7%) 5 (8%) 2 (3%) Infarct 1 (2%) 1 (2%) Inflammation, Granulomatous 16 (27%) 14 (23%) a Number of animals examined microscopically at site and number of animals with lesion Page 8 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Mixed Cell Focus 1 (2%) 1 (2%) 8 (13%) Necrosis 2 (3%) 1 (2%) 5 (8%) Pigmentation 1 (2%) 39 (66%) 41 (68%) Thrombosis 1 (2%) Bile Duct, Hyperplasia 30 (50%) 15 (25%) 11 (18%) Mesentery (6) (4) (5) Fibrosis 1 (25%) Artery, Necrosis, Fibrinoid 1 (17%) 1 (20%) Fat, Hemorrhage 1 (20%) Fat, Inflammation, Chronic Active 1 (17%) 2 (50%) Fat, Mineralization 1 (17%) Fat, Necrosis 3 (50%) 1 (25%) 3 (60%) Pancreas (59) (56) (59) Hyperplasia 1 (2%) 1 (2%) Acinus, Focal Cellular Change 1 (2%) Acinus, Hyperplasia 14 (24%) 20 (36%) 16 (27%) Artery, Inflammation, Chronic Active 3 (5%) 1 (2%) Artery, Necrosis, Fibrinoid 1 (2%) Salivary Glands (60) (59) (59) Necrosis 1 (2%) Stomach (59) (59) (60) Artery, Necrosis, Fibrinoid 1 (2%) Fat, Proliferation 2 (3%) 14 (23%) Stomach, Forestomach (57) (59) (59) Acanthosis 8 (14%) 25 (42%) 26 (44%) Fibrosis 1 (2%) Hemorrhage 1 (2%) Hyperkeratosis 5 (9%) 13 (22%) 17 (29%) Inflammation, Chronic 1 (2%) Inflammation, Chronic Active 1 (2%) 2 (3%) 1 (2%) Necrosis 2 (4%) 1 (2%) Pigmentation 1 (2%) Stomach, Glandular (58) (59) (58) Erosion 1 (2%) 9 (15%) 13 (22%) Fibrosis 30 (51%) 37 (64%) Hemorrhage 2 (3%) 5 (9%) Hyperplasia 10 (17%) 24 (41%) Hyperplasia, Adenomatous 2 (3%) Inflammation, Acute 9 (15%) 10 (17%) Metaplasia 26 (44%) 36 (62%) Mineralization 2 (3%) 1 (2%) Pigmentation 8 (14%) 19 (33%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 9 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (60) (60) (60) Bacterium 1 (2%) Cardiomyopathy 50 (83%) 52 (87%) 43 (72%) Mineralization 1 (2%) Pigmentation 2 (3%) Thrombosis 1 (2%) Artery, Necrosis, Fibrinoid 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland, Cortex (60) (60) (60) Hyperplasia 2 (3%) 3 (5%) 3 (5%) Infarct 1 (2%) Adrenal Gland, Medulla (60) (60) (59) Hyperplasia 25 (42%) 18 (30%) 13 (22%) Islets, Pancreatic (58) (56) (59) Hyperplasia 1 (2%) 2 (4%) 1 (2%) Parathyroid Gland (56) (54) (51) Hyperplasia 1 (2%) 1 (2%) Pituitary Gland (56) (59) (56) Cyst 1 (2%) Pars Distalis, Angiectasis 18 (32%) 15 (25%) 11 (20%) Pars Distalis, Cyst 1 (2%) 1 (2%) 1 (2%) Pars Distalis, Hyperplasia 14 (25%) 11 (19%) 13 (23%) Pars Distalis, Pigmentation 1 (2%) Pars Intermedia, Cyst 1 (2%) Pars Intermedia, Hyperplasia 1 (2%) Rathke's Cleft, Cyst 1 (2%) Thyroid Gland (60) (55) (58) C-Cell, Hyperplasia 6 (10%) 5 (9%) 10 (17%) Follicular Cell, Cyst 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (60) (58) (60) Spermatocele 1 (2%) Preputial Gland (56) (59) (56) Inflammation, Chronic Active 2 (4%) 1 (2%) Necrosis 4 (7%) 2 (4%) a Number of animals examined microscopically at site and number of animals with lesion Page 10 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - CONT Prostate (59) (57) (60) Abscess 1 (2%) Epithelium, Hyperplasia 12 (20%) 4 (7%) 7 (12%) Seminal Vesicle (60) (59) (60) Epithelium, Hyperplasia 1 (2%) Testes (60) (60) (60) Atrophy 1 (2%) Infarct 1 (2%) Interstitial Cell, Hyperplasia 26 (43%) 26 (43%) 32 (53%) Seminiferous Tubule, Atrophy 29 (48%) 34 (57%) 36 (60%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (59) (58) (60) Pigmentation 20 (34%) 37 (62%) Lymph Node (60) (59) (60) Axillary, Angiectasis 1 (2%) Axillary, Infiltration Cellular, Histiocyte 1 (2%) Lumbar, Infiltration Cellular, Histiocyte 1 (2%) Lumbar, Pigmentation 1 (2%) Mediastinal, Angiectasis 1 (2%) Mediastinal, Degeneration, Cystic 1 (2%) Mediastinal, Hematopoietic Cell Proliferation 1 (2%) Mediastinal, Infiltration Cellular, Histiocyte 8 (13%) 5 (8%) 30 (50%) Mediastinal, Pigmentation 6 (10%) 20 (34%) 25 (42%) Pancreatic, Infiltration Cellular, Plasma Cell 1 (2%) Pancreatic, Infiltration Cellular, Histiocyte 3 (5%) 6 (10%) 5 (8%) Pancreatic, Pigmentation 7 (12%) 2 (3%) Renal, Angiectasis 1 (2%) Renal, Infiltration Cellular, Histiocyte 1 (2%) 1 (2%) Renal, Pigmentation 1 (2%) 1 (2%) Lymph Node, Mandibular (58) (56) (56) Bacterium 1 (2%) Degeneration 1 (2%) Degeneration, Cystic 5 (9%) 1 (2%) 3 (5%) Infiltration Cellular, Plasma Cell 1 (2%) 1 (2%) Infiltration Cellular, Histiocyte 2 (3%) 3 (5%) 20 (36%) Pigmentation 2 (3%) 28 (50%) 17 (30%) Lymph Node, Mesenteric (59) (54) (58) Bacterium 1 (2%) Infiltration Cellular, Mast Cell 1 (2%) 2 (4%) 3 (5%) Infiltration Cellular, Histiocyte 26 (44%) 40 (74%) 45 (78%) Mineralization 3 (5%) Pigmentation 9 (15%) 42 (78%) 44 (76%) a Number of animals examined microscopically at site and number of animals with lesion Page 11 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - CONT Spleen (58) (56) (59) Angiectasis 1 (2%) Depletion Lymphoid 2 (3%) 5 (9%) 6 (10%) Fibrosis 3 (5%) 3 (5%) 2 (3%) Hematopoietic Cell Proliferation 24 (41%) 35 (63%) 28 (47%) Hemorrhage 1 (2%) 2 (3%) Infiltration Cellular, Histiocyte 15 (26%) 24 (43%) 33 (56%) Inflammation, Granulomatous 1 (2%) Necrosis 1 (2%) Pigmentation 33 (59%) 32 (54%) Pigmentation, Hemosiderin 9 (16%) 35 (63%) 37 (63%) Thrombosis 1 (2%) Capsule, Cyst 1 (2%) Thymus (55) (50) (52) Cyst 1 (2%) Depletion Lymphoid 5 (10%) 7 (13%) Ectopic Parathyroid Gland 1 (2%) Hemorrhage 1 (2%) Pigmentation 25 (50%) 31 (60%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (42) (36) (41) Galactocele 4 (10%) 1 (3%) 1 (2%) Skin (58) (60) (59) Cyst Epithelial Inclusion 1 (2%) Hemorrhage 1 (2%) Hyperkeratosis 1 (2%) 1 (2%) Hyperplasia, Squamous 1 (2%) Inflammation, Chronic Active 1 (2%) Metaplasia, Osseous 1 (2%) Necrosis 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (60) (60) (60) Costochondral Junction, Fibrosis 1 (2%) Costochondral Junction, Inflammation, Chronic Active 1 (2%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 12 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (60) (59) (60) Bacterium 1 (2%) Metaplasia, Osseous 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (60) (60) (60) Atelectasis 10 (17%) 14 (23%) Bacterium 1 (2%) Congestion 6 (10%) 5 (8%) 6 (10%) Edema 9 (15%) 11 (18%) Fibrosis 1 (2%) Hemorrhage 4 (7%) 3 (5%) 8 (13%) Infiltration Cellular, Histiocyte 9 (15%) 46 (77%) 49 (82%) Inflammation, Acute 1 (2%) 13 (22%) 10 (17%) Inflammation, Granulomatous 10 (17%) 20 (33%) Mineralization 3 (5%) Necrosis 1 (2%) Pigmentation 34 (57%) 50 (83%) Pigmentation, Cholesterol 3 (5%) 5 (8%) Alveolar Epithelium, Hyperplasia 4 (7%) 6 (10%) 5 (8%) Artery, Mediastinum, Necrosis, Fibrinoid 1 (2%) Bronchiole, Hyperplasia 1 (2%) Bronchiole, Epithelium, Metaplasia, Squamous 1 (2%) Bronchus, Inflammation, Chronic 1 (2%) Nose (59) (60) (56) Erosion 1 (2%) Fungus 1 (2%) 6 (10%) 8 (14%) Inflammation, Acute 8 (14%) 18 (30%) 22 (39%) Trachea (60) (58) (60) Erosion 1 (2%) 1 (2%) Inflammation, Acute 1 (2%) 3 (5%) Metaplasia, Squamous 3 (5%) Pigmentation 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Ear (1) (3) (1) Canal, Inflammation, Acute 2 (67%) Eye (6) (13) (9) Hemorrhage 1 (8%) Inflammation, Acute 1 (8%) Lens, Cataract 1 (17%) 6 (46%) 1 (11%) Retina, Atrophy 1 (8%) 1 (11%) a Number of animals examined microscopically at site and number of animals with lesion Page 13 NTP Experiment-Test: 05047-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC TITANOCENE DICHLORIDE Date: 09/06/94 Route: GAVAGE Time: 21:41:21 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 0.025 G/ 0.05 G/K 79VM KG 79 LM G 79 HM ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - CONT Harderian Gland (6) (10) (7) Inflammation, Chronic Active 1 (14%) Pigmentation 1 (10%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (60) (60) (60) Abscess 1 (2%) Bacterium 1 (2%) Cyst 1 (2%) Nephropathy 56 (93%) 39 (65%) 34 (57%) Pigmentation 2 (3%) Artery, Necrosis, Fibrinoid 1 (2%) Cortex, Mineralization 1 (2%) 3 (5%) 1 (2%) Papilla, Mineralization 6 (10%) 15 (25%) 10 (17%) Renal Tubule, Hyperplasia 1 (2%) 1 (2%) Renal Tubule, Pigmentation 24 (40%) 20 (33%) 29 (48%) Transitional Epithelium, Hyperplasia 1 (2%) Urinary Bladder (60) (55) (56) Calculus Gross Observation 1 (2%) 1 (2%) Calculus Micro Observation Only 2 (4%) 2 (4%) a Number of animals examined microscopically at site and number of animals with lesion Page 14 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 95303-95303/95303 --multipart-boundary--