TDMS Study 97013-99 Pathology Tables
NTP Experiment-Test: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 FINAL#1 MICE Facility: Battelle Columbus Laboratory Chemical CAS #: 75-27-4 Lock Date: 07/19/01 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: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/KG 64 MG/KG 128 256 MG/KG MG/KG ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 10 10 10 10 Early Deaths Moribund Sacrifice 4 4 3 4 Natural Death 1 2 1 Survivors Terminal Sacrifice 5 4 7 5 Animals Examined Microscopically 10 10 10 10 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Liver (10) (10) (10) (10) Hematopoietic Cell Proliferation 4 (40%) 2 (20%) 1 (10%) 4 (40%) Inflammation 7 (70%) 6 (60%) 9 (90%) 5 (50%) Necrosis 1 (10%) 1 (10%) Hepatocyte, Vacuolization Cytoplasmic 4 (40%) 4 (40%) 7 (70%) 6 (60%) Stomach, Forestomach (10) (10) (10) (10) Epithelium, Hyperplasia 1 (10%) 1 (10%) Tooth (4) (4) (4) (3) Peridontal Tissue, Hyperplasia 1 (25%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (10) (10) (10) (10) Hematopoietic Cell Proliferation 1 (10%) 1 (10%) Subcapsular, Hyperplasia 7 (70%) 5 (50%) 5 (50%) 7 (70%) Parathyroid Gland (1) Cyst 1 (100%) Pituitary Gland (10) (10) (10) (10) Cyst 1 (10%) 1 (10%) 1 (10%) Thyroid Gland (10) (10) (10) (10) Cyst 2 (20%) 3 (30%) 1 (10%) 1 (10%) Inflammation 1 (10%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 2 NTP Experiment-Test: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/KG 64 MG/KG 128 256 MG/KG MG/KG ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (10) (10) (10) (10) Atrophy 1 (10%) 3 (30%) 1 (10%) Cyst 1 (10%) 1 (10%) 2 (20%) 1 (10%) Inflammation 1 (10%) Inflammation, Suppurative 1 (10%) Oviduct (1) Inflammation 1 (100%) Uterus (10) (10) (10) (10) Hydrometra 1 (10%) Inflammation 1 (10%) Endometrium, Hyperplasia, Cystic 5 (50%) 4 (40%) 5 (50%) 7 (70%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node, Mandibular (10) (10) (10) (9) Hyperplasia 3 (30%) 1 (10%) 1 (11%) Infiltration Cellular, Plasma Cell 1 (10%) Lymph Node, Mesenteric (9) (9) (10) (10) Hyperplasia 1 (11%) Spleen (10) (10) (10) (10) Hematopoietic Cell Proliferation 3 (30%) 2 (20%) 1 (10%) 2 (20%) Lymphoid Follicle, Atrophy 1 (10%) Thymus (10) (10) (10) (10) Atrophy 2 (20%) 6 (60%) 2 (20%) 2 (20%) Cyst 3 (30%) 2 (20%) 2 (20%) 3 (30%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (10) (10) (10) (10) Hyperplasia 2 (20%) 1 (10%) Inflammation, Focal 2 (20%) 1 (10%) 1 (10%) Control Epidermis, Hyperplasia 2 (20%) 1 (10%) Epidermis, Hyperplasia, Focal 1 (10%) 1 (10%) 1 (10%) 1 (10%) Site of Application - Epidermis, Hyperplasia 1 (10%) 1 (10%) a Number of animals examined microscopically at site and number of animals with lesion Page 3 NTP Experiment-Test: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/KG 64 MG/KG 128 256 MG/KG MG/KG ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - CONT Site of Application - Epidermis, Inflammation 1 (10%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (10) (10) (10) (10) Inflammation 1 (10%) Alveolar Epithelium, Hyperplasia 2 (20%) Perivascular, Infiltration Cellular, Mononuclear Cell 1 (10%) Perivascular, Inflammation 1 (10%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (1) Retina, Degeneration 1 (100%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (10) (10) (10) (10) Accumulation, Hyaline Droplet 1 (10%) 1 (10%) Casts Protein 2 (20%) 1 (10%) 1 (10%) 1 (10%) Cyst 1 (10%) 2 (20%) Hydronephrosis 1 (10%) 1 (10%) Inflammation 1 (10%) Mineralization 1 (10%) Nephropathy 2 (20%) 1 (10%) 4 (40%) 1 (10%) Artery, Inflammation 1 (10%) Glomerulus, Inflammation, Membranoproliferative 1 (10%) 3 (30%) 2 (20%) a Number of animals examined microscopically at site and number of animals with lesion Page 4 NTP Experiment-Test: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/KG 64 MG/KG 128 256 MG/KG MG/KG ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 10 10 10 10 Early Deaths Moribund Sacrifice 3 1 1 Natural Death 1 2 1 Survivors Terminal Sacrifice 6 8 9 8 Animals Examined Microscopically 10 10 10 10 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Liver (10) (10) (10) (10) Hematopoietic Cell Proliferation 3 (30%) 1 (10%) 1 (10%) 1 (10%) Inflammation 6 (60%) 3 (30%) 6 (60%) 3 (30%) Necrosis 1 (10%) 1 (10%) 1 (10%) 1 (10%) Hepatocyte, Fatty Change 1 (10%) Hepatocyte, Vacuolization Cytoplasmic 6 (60%) 7 (70%) 8 (80%) 7 (70%) Mesentery (1) Fat, Necrosis 1 (100%) Stomach, Forestomach (10) (10) (10) (10) Hyperkeratosis 1 (10%) Epithelium, Hyperplasia 2 (20%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (10) (10) (10) (10) Hypertrophy 5 (50%) 3 (30%) 4 (40%) 4 (40%) Subcapsular, Hyperplasia 1 (10%) 1 (10%) Pituitary Gland (10) (10) (10) (10) Cyst 1 (10%) 2 (20%) 1 (10%) 2 (20%) Thyroid Gland (10) (10) (10) (10) Cyst 3 (30%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM a Number of animals examined microscopically at site and number of animals with lesion Page 5 NTP Experiment-Test: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/KG 64 MG/KG 128 256 MG/KG MG/KG ____________________________________________________________________________________________________________________________________ None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (10) (10) (10) (10) Inflammation 1 (10%) Testes (10) (10) (10) (10) Germinal Epithelium, Degeneration 1 (10%) 2 (20%) 1 (10%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node, Mandibular (10) (10) (10) (10) Hyperplasia 1 (10%) 1 (10%) Infiltration Cellular, Plasma Cell 2 (20%) Spleen (10) (10) (10) (10) Hematopoietic Cell Proliferation 4 (40%) 2 (20%) 3 (30%) 1 (10%) Pigmentation 1 (10%) Lymphoid Follicle, Atrophy 1 (10%) Thymus (9) (10) (9) (9) Atrophy 1 (11%) 2 (22%) 1 (11%) Cyst 4 (44%) 2 (20%) 1 (11%) 3 (33%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (10) (10) (10) (10) Hyperplasia 1 (10%) 1 (10%) Inflammation 1 (10%) Inflammation, Focal 1 (10%) 2 (20%) 1 (10%) Ulcer 1 (10%) Control Epidermis, Hyperplasia 1 (10%) Epidermis, Hyperplasia, Focal 1 (10%) 1 (10%) Site of Application - Dermis, Inflammation 1 (10%) Site of Application - Epidermis, Hyperplasia 1 (10%) 1 (10%) Site of Application - Epidermis, Hyperplasia, Focal 1 (10%) Site of Application - Epidermis, Inflammation, Focal 1 (10%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM a Number of animals examined microscopically at site and number of animals with lesion Page 6 NTP Experiment-Test: 97013-99 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 11/05/03 Route: SKIN APPLICATION Time: 10:04:18 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/KG 64 MG/KG 128 256 MG/KG MG/KG ____________________________________________________________________________________________________________________________________ None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (10) (10) (10) (10) Inflammation 1 (10%) 1 (10%) Alveolar Epithelium, Hyperplasia 1 (10%) Perivascular, Inflammation 1 (10%) 1 (10%) 1 (10%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (10) (10) (10) (10) Casts Protein 1 (10%) 2 (20%) 4 (40%) 2 (20%) Cyst 1 (10%) 1 (10%) 2 (20%) 2 (20%) Hydronephrosis 2 (20%) Nephropathy 6 (60%) 5 (50%) 3 (30%) 6 (60%) Artery, Inflammation 1 (10%) a Number of animals examined microscopically at site and number of animals with lesion Page 7 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------