TDMS Study 05704-01 Pathology Tables
INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) RESORCINOL NTP Experiment-Test: 05704-01 Report: PEIRPT03 Study Type: CHRONIC Date: 09/18/94 Route: GAVAGE Time: 17:00:58 Facility: International Research and Development Corp. Chemical CAS #: 108-46-3 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: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE CONTROL 112MG/KG 225MG/KG F FEMALE FEMALE ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 60 60 60 Scheduled Sacrifice 10 10 10 Early Deaths Dead 9 9 11 Moribund 2 8 5 Accident 1 Survivors Terminal Sacrifice 37 33 34 Dead 1 Animals Examined Microscopically 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (50) (49) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Inflammation, Subacute 1 (2%) Perforation 1 (2%) Gallbladder (43) (39) Serosa, Inflammation, Acute 1 (2%) Intestine Large (50) (1) (50) Anorectal Junction, Inflammation, Chronic, Focal 2 (4%) Intestine Large, Cecum (48) (1) (44) Parasite Metazoan 1 (2%) Serosa, Inflammation, Chronic, Diffuse 1 (100%) Intestine Large, Colon (50) (1) (48) Infiltration Cellular, Mononuclear Cell, Multifocal 1 (2%) Parasite Metazoan 1 (2%) Serosa, Inflammation, Acute 1 (2%) Serosa, Inflammation, Chronic, Diffuse 1 (100%) Intestine Small, Duodenum (47) (2) (42) Hyperplasia, Atypical, Focal 1 (50%) Serosa, Inflammation, Acute 1 (2%) Serosa, Inflammation, Chronic, Diffuse 1 (50%) Intestine Small, Ileum (44) (1) (41) Hyperplasia, Focal, Lymphoid 1 (2%) Serosa, Inflammation, Acute 1 (2%) Intestine Small, Jejunum (47) (2) (42) Diverticulum 1 (50%) 1 (2%) Hyperplasia, Focal, Lymphoid 1 (2%) Serosa, Inflammation, Acute 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 2 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE CONTROL 112MG/KG 225MG/KG F FEMALE FEMALE ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Serosa, Inflammation, Chronic, Diffuse 1 (50%) Liver (50) (5) (50) Erythrophagocytosis, Diffuse 3 (6%) Fatty Change, Diffuse 2 (4%) Hematopoietic Cell Proliferation, Diffuse 1 (20%) Hematopoietic Cell Proliferation, Multifocal 2 (4%) Infiltration Cellular, Mononuclear Cell, Multifocal 13 (26%) 9 (18%) Inflammation, Focal, Subacute 1 (2%) Necrosis, Acute, Focal 1 (2%) 1 (2%) Necrosis, Focal, Subacute 1 (2%) Pigmentation, Diffuse, Hemosiderin 2 (4%) Vacuolization Cytoplasmic, Focal 1 (2%) Centrilobular, Fatty Change 2 (4%) 1 (2%) Periportal, Fatty Change 1 (2%) Serosa, Inflammation, Chronic, Focal 1 (20%) Serosa, Inflammation, Subacute 1 (2%) Mesentery (1) (1) (2) Cyst 1 (100%) Fat, Necrosis 1 (100%) 1 (100%) Pancreas (48) (48) Atrophy, Diffuse 1 (2%) Cyst 2 (4%) Hyperplasia, Focal, Glandular 2 (4%) Hyperplasia, Glandular, Multifocal 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 1 (2%) Inflammation, Acute 2 (4%) Salivary Glands (48) (47) Infiltration Cellular, Focal, Mononuclear Cell 4 (8%) 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 13 (27%) 22 (47%) Infiltration Cellular, Multifocal, Plasma Cell 1 (2%) Stomach, Forestomach (49) (3) (46) Hyperplasia, Focal, Squamous 1 (2%) 1 (33%) 5 (11%) Hyperplasia, Multifocal 1 (2%) Hyperplasia, Multifocal, Squamous 2 (4%) 1 (33%) 1 (2%) Inflammation, Chronic 1 (2%) Inflammation, Subacute 1 (2%) Ulcer, Acute, Multifocal 2 (4%) Stomach, Glandular (50) (46) Cyst 1 (2%) Erosion, Focal 2 (4%) Erosion, Multifocal 1 (2%) Ulcer, Acute, Focal 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 3 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE CONTROL 112MG/KG 225MG/KG F FEMALE FEMALE ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Serosa, Inflammation, Chronic 1 (2%) Tooth (1) (1) Inflammation, Chronic 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (1) (49) Coronary Artery, Hyperplasia, Chronic, Multifocal 1 (2%) Epicardium, Inflammation, Diffuse, Subacute 1 (100%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland, Cortex (48) (49) Congestion, Focal 1 (2%) Hypertrophy, Focal 1 (2%) Inflammation, Subacute 1 (2%) Vacuolization Cytoplasmic, Focal 1 (2%) Vacuolization Cytoplasmic, Multifocal 2 (4%) Spindle Cell, Hyperplasia 1 (2%) Parathyroid Gland (24) (20) Cyst 1 (5%) Infiltration Cellular, Focal, Plasma Cell 1 (4%) Pituitary Gland (48) (7) (50) Pars Distalis, Congestion, Diffuse 1 (14%) Pars Distalis, Ectasia, Focal 1 (2%) Pars Distalis, Hyperplasia, Focal 9 (19%) 1 (14%) 10 (20%) Pars Distalis, Hyperplasia, Multifocal 1 (2%) 2 (4%) Thyroid Gland (49) (49) Depletion Secretory 1 (2%) 1 (2%) Follicular Cell, Hyperplasia 5 (10%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (49) (11) (49) Abscess 2 (4%) Angiectasis, Focal 1 (2%) Cyst 3 (6%) 8 (73%) 7 (14%) Cyst Multilocular 6 (12%) 4 (36%) 4 (8%) a Number of animals examined microscopically at site and number of animals with lesion Page 4 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE CONTROL 112MG/KG 225MG/KG F FEMALE FEMALE ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - CONT Hemorrhage 3 (6%) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 2 (4%) 3 (6%) Uterus (50) (36) (50) Abscess 1 (2%) Amyloid Deposition, Diffuse 1 (2%) Dilatation 2 (4%) 1 (2%) Hemorrhage, Chronic 1 (3%) 1 (2%) Hyperplasia, Chronic, Cystic, Diffuse 41 (82%) 35 (97%) 41 (82%) Hyperplasia, Diffuse, Lymphoid 1 (2%) Serosa, Inflammation, Acute 1 (2%) Serosa, Inflammation, Chronic, Diffuse 1 (3%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (50) Myelofibrosis 2 (4%) Pigmentation, Diffuse, Hemosiderin 2 (4%) Lymph Node (50) (7) (50) Axillary, Infiltration Cellular, Diffuse, Plasma Cell 1 (2%) Iliac, Hematopoietic Cell Proliferation, Diffuse 1 (2%) Iliac, Hyperplasia, Diffuse, Lymphoid 2 (4%) Mediastinal, Infiltration Cellular, Diffuse, Plasma Cell 1 (2%) Renal, Hyperplasia, Diffuse, Lymphoid 1 (2%) Lymph Node, Mesenteric (47) (6) (48) Giant Cell, Diffuse 1 (2%) Hematopoietic Cell Proliferation, Diffuse 1 (2%) Hyperplasia, Lymphoid 1 (2%) 2 (4%) Infiltration Cellular, Diffuse, Histiocyte 1 (2%) Spleen (50) (12) (49) Congestion, Diffuse 2 (4%) Erythrophagocytosis, Diffuse 3 (6%) Hematopoietic Cell Proliferation, Diffuse 5 (10%) 2 (17%) 7 (14%) Hyperplasia, Diffuse, Lymphoid 1 (2%) Hyperplasia, Lymphoid 1 (2%) 3 (6%) Capsule, Inflammation, Acute 1 (2%) Thymus (43) (1) (39) Atrophy, Diffuse 3 (8%) Medulla, Hyperplasia, Focal, Lymphoid 6 (14%) 4 (10%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 5 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE CONTROL 112MG/KG 225MG/KG F FEMALE FEMALE ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (50) (1) (48) Inflammation, Chronic 1 (2%) Skin (49) (6) (50) Inflammation, Chronic 1 (2%) 3 (50%) 7 (14%) Subcutaneous Tissue, Necrosis 1 (17%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) Hyperostosis 2 (4%) Osteoporosis 1 (2%) 1 (2%) Skeletal Muscle (1) Hemorrhage, Acute 1 (100%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (49) (50) Hemorrhage, Multifocal 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 1 (2%) Mineralization, Multifocal 21 (43%) 19 (38%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (7) (49) Abscess 1 (14%) Atelectasis, Diffuse 1 (14%) Congestion, Diffuse 1 (2%) 2 (29%) 3 (6%) Foreign Body 1 (14%) Hyperplasia, Focal, Adenomatous 1 (2%) 1 (2%) Infiltration Cellular, Diffuse, Histiocyte 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 35 (70%) 35 (71%) Alveolus, Infiltration Cellular, Histiocyte 1 (14%) Bronchiole, Inflammation, Acute 1 (14%) Mediastinum, Bacterium 1 (2%) Mediastinum, Inflammation, Chronic, Multifocal 1 (2%) Nose (50) (50) Foreign Body 2 (4%) 1 (2%) Inflammation, Acute 3 (6%) Nasolacrimal Duct, Inflammation, Chronic 1 (2%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 6 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE CONTROL 112MG/KG 225MG/KG F FEMALE FEMALE ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (2) (1) Degeneration, Chronic, Diffuse 1 (50%) 1 (100%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (3) (50) Casts 3 (6%) Cyst 2 (4%) Hydronephrosis 3 (6%) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 34 (68%) 32 (64%) Nephropathy, Diffuse 1 (33%) 3 (6%) Glomerulus, Amyloid Deposition, Diffuse 1 (2%) 1 (2%) Papilla, Mineralization, Multifocal 1 (2%) Urinary Bladder (48) (45) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 6 (13%) 5 (11%) Inflammation, Diffuse, Subacute 1 (2%) Serosa, Inflammation, Acute 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 7 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE CONTROL 112MG/KG 225MG/KG M MALE MALE ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 60 60 60 Scheduled Sacrifice 10 10 10 Early Deaths Moribund 6 4 3 Dead 6 3 12 Accident 1 1 Survivors Terminal Sacrifice 36 43 34 Moribund 1 Animals Examined Microscopically 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (50) (49) Serosa, Inflammation, Subacute 1 (2%) Gallbladder (41) (39) Cyst 1 (3%) Intestine Large, Cecum (49) (45) Parasite Metazoan 1 (2%) Intestine Large, Colon (48) (47) Parasite Metazoan 2 (4%) Intestine Large, Rectum (47) (49) Inflammation, Acute, Focal 1 (2%) Intestine Small (50) (5) (50) Diverticulum 1 (20%) Intestine Small, Duodenum (47) (2) (43) Amyloid Deposition, Chronic, Diffuse 1 (2%) Intestine Small, Jejunum (46) (4) (43) Diverticulum 1 (2%) 3 (75%) Hyperplasia, Focal, Lymphoid 1 (2%) Liver (50) (16) (50) Basophilic Focus 3 (6%) 1 (2%) Hematopoietic Cell Proliferation, Multifocal 1 (2%) Inclusion Body Intranuclear, Diffuse 1 (2%) Infarct 1 (2%) 1 (6%) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 1 (2%) Karyomegaly, Diffuse 1 (2%) Mixed Cell Focus 1 (6%) 2 (4%) Necrosis, Acute, Focal 2 (4%) Necrosis, Acute, Multifocal 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 8 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE CONTROL 112MG/KG 225MG/KG M MALE MALE ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Centrilobular, Fatty Change 2 (4%) 2 (4%) Centrilobular, Necrosis, Acute, Diffuse 1 (2%) Pancreas (50) (48) Atrophy, Focal 1 (2%) Edema, Acute, Diffuse 1 (2%) Hyperplasia, Focal, Glandular 1 (2%) Inflammation, Chronic, Multifocal 1 (2%) Salivary Glands (50) (50) Infiltration Cellular, Focal, Mononuclear Cell 2 (4%) 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 17 (34%) 16 (32%) Stomach, Forestomach (49) (46) Cyst 1 (2%) Cyst Epithelial Inclusion 2 (4%) Diverticulum, Focal 1 (2%) Hyperplasia, Focal, Squamous 2 (4%) 2 (4%) Inflammation, Chronic, Focal 1 (2%) 2 (4%) Stomach, Glandular (47) (47) Cyst, Focal 1 (2%) Cyst Epithelial Inclusion, Focal 1 (2%) Degeneration, Cystic, Focal 1 (2%) Edema, Diffuse 1 (2%) Erosion, Focal 1 (2%) Hyperplasia, Focal 1 (2%) Hyperplasia, Adenomatous 1 (2%) Tooth (6) (1) Inflammation, Chronic 6 (100%) 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (1) (50) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Inflammation, Chronic, Focal 1 (2%) Atrium, Thrombosis 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland, Cortex (49) (1) (49) Cytoplasmic Alteration, Focal 1 (2%) Hyperplasia, Focal 3 (6%) 1 (2%) Hypertrophy, Focal 5 (10%) 8 (16%) Hypertrophy, Multifocal 1 (2%) Spindle Cell, Hyperplasia, Focal 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 9 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE CONTROL 112MG/KG 225MG/KG M MALE MALE ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - CONT Adrenal Gland, Medulla (47) (49) Hyperplasia, Multifocal 1 (2%) Islets, Pancreatic (50) (1) (47) Hyperplasia, Focal 3 (6%) Parathyroid Gland (20) (31) Cyst 1 (3%) Pituitary Gland (45) (50) Pars Distalis, Cyst 2 (4%) 3 (6%) Thyroid Gland (49) (50) Cyst 1 (2%) Depletion Secretory 1 (2%) Hemorrhage, Acute, Focal 1 (2%) Inflammation, Subacute 1 (2%) C-Cell, Hyperplasia, Chronic, Focal 1 (2%) Follicular Cell, Hyperplasia 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (50) (50) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Penis (1) (1) Congestion 1 (100%) 1 (100%) Inflammation, Chronic 1 (100%) Preputial Gland (2) (3) (2) Abscess 1 (50%) 3 (100%) 1 (50%) Inflammation, Chronic 1 (50%) 1 (50%) Prostate (49) (48) Dilatation 1 (2%) Seminal Vesicle (2) Dilatation 2 (100%) Inflammation, Chronic, Diffuse 1 (50%) Testes (50) (1) (50) Atrophy, Diffuse 1 (2%) 1 (100%) 1 (2%) Degeneration, Diffuse 1 (2%) Granuloma Sperm, Focal 1 (2%) Mineralization, Focal 2 (4%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 10 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE CONTROL 112MG/KG 225MG/KG M MALE MALE ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node (49) (8) (50) Congestion 1 (13%) Hematopoietic Cell Proliferation, Diffuse 1 (2%) Hyperplasia, Lymphoid 1 (2%) Infiltration Cellular, Histiocyte 1 (2%) Pigmentation 1 (13%) Thrombosis 1 (2%) Thoracic, Angiectasis 1 (13%) Lymph Node, Mesenteric (48) (5) (50) Congestion, Diffuse 5 (10%) Ectasia, Diffuse 3 (6%) Giant Cell, Diffuse 6 (13%) 2 (4%) Hematopoietic Cell Proliferation, Diffuse 2 (4%) Hemorrhage, Diffuse 2 (4%) Hyperplasia, Diffuse, Re Cell 1 (2%) Hyperplasia, Lymphoid 2 (4%) Spleen (49) (4) (50) Hematopoietic Cell Proliferation, Diffuse 10 (20%) 3 (75%) 4 (8%) Hyperplasia, Lymphoid 4 (8%) Thymus (24) (35) Atrophy, Diffuse 2 (6%) Cyst 2 (8%) 1 (3%) Mediastinum, Inflammation, Acute 1 (3%) Medulla, Hyperplasia, Focal, Lymphoid 1 (3%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (49) (9) (49) Abscess 1 (2%) Cyst 1 (2%) Edema, Acute, Diffuse 1 (2%) Inflammation, Chronic 6 (12%) 3 (33%) 4 (8%) Inflammation, Subacute 1 (2%) Hair Follicle, Atrophy, Focal 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) Cartilage, Proliferation, Chronic, Focal 1 (2%) Coccygeal, Hyperostosis 1 (2%) Cranium, Inflammation, Chronic 1 (2%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 11 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE CONTROL 112MG/KG 225MG/KG M MALE MALE ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (50) Demyelination, Multifocal 1 (2%) Hemorrhage, Focal 1 (2%) Hydrocephalus 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 1 (2%) Mineralization, Multifocal 24 (48%) 24 (48%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (7) (50) Congestion, Diffuse 2 (4%) 5 (10%) Hemorrhage, Focal 1 (2%) Hemorrhage, Multifocal 1 (2%) Hyperplasia, Focal, Adenomatous 4 (8%) 1 (14%) 1 (2%) Infiltration Cellular, Diffuse, Histiocyte 1 (2%) 1 (2%) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 25 (50%) 26 (52%) Infiltration Cellular, Multifocal, Histiocyte 1 (2%) Inflammation, Chronic 1 (2%) Pleura, Inflammation, Subacute 1 (2%) Nose (50) (50) Foreign Body 8 (16%) 1 (2%) Hyperplasia, Focal, Glandular 1 (2%) Inflammation, Acute 6 (12%) 3 (6%) Inflammation, Chronic 2 (4%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (3) (50) Cyst 2 (4%) 5 (10%) Ectopic Tissue 1 (2%) Hyperplasia, Focal, Tubular 1 (2%) 1 (2%) Hyperplasia, Multifocal, Tubular 1 (2%) Infiltration Cellular, Focal, Mononuclear Cell 1 (2%) Infiltration Cellular, Mononuclear Cell, a Number of animals examined microscopically at site and number of animals with lesion Page 12 NTP Experiment-Test: 05704-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC RESORCINOL Date: 09/18/94 Route: GAVAGE Time: 17:00:58 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE CONTROL 112MG/KG 225MG/KG M MALE MALE ____________________________________________________________________________________________________________________________________ URINARY SYSTEM - CONT Multifocal 39 (78%) 36 (72%) Inflammation, Chronic 1 (2%) Nephropathy, Diffuse 1 (2%) 3 (6%) Vacuolization Cytoplasmic, Multifocal 1 (2%) Cortex, Degeneration, Diffuse, Hyaline 1 (2%) 1 (2%) Cortex, Vacuolization Cytoplasmic, Multifocal 1 (2%) Glomerulus, Amyloid Deposition, Diffuse 1 (2%) Glomerulus, Inflammation, Diffuse, Subacute, Suppurative 1 (2%) Proximal Convoluted Renal Tubule, Degeneration, Focal 1 (2%) Proximal Convoluted Renal Tubule, Dilatation, Diffuse 1 (33%) Urinary Bladder (49) (48) Concretion 6 (12%) 2 (4%) Edema, Acute, Diffuse 1 (2%) Infiltration Cellular, Mononuclear Cell, Multifocal 1 (2%) Inflammation, Acute, Diffuse 1 (2%) Inflammation, Chronic, Diffuse 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 13 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------