TDMS Study 97013-04 Pathology Tables
NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 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 002 0 MG/L Include 004 175 MG/L Include 006 350 MG/L Include 008 700 MG/L Include 001 0 MG/L Include 003 175 MG/L Include 005 350 MG/L Include 007 700 MG/L a Number of animals examined microscopically at site and number of animals with lesion Page 1 NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 ____________________________________________________________________________________________________________________________________ P53+/-(C57BL/6) FEMALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 15 15 15 15 Early Deaths Natural Death 1 Survivors Terminal Sacrifice 15 15 14 15 Animals Examined Microscopically 15 15 15 15 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Liver (15) (15) (15) (15) Infiltration Cellular, Lymphocyte 1 (7%) 4 (27%) 4 (27%) 1 (7%) Inflammation 13 (87%) 13 (87%) 12 (80%) 12 (80%) Necrosis 2 (13%) 2 (13%) 1 (7%) Hepatocyte, Fatty Change 1 (7%) 1 (7%) 10 (67%) Hepatocyte, Vacuolization Cytoplasmic 11 (73%) 10 (67%) 7 (47%) 11 (73%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (15) (15) (15) (15) Subcapsular, Hyperplasia 13 (87%) 12 (80%) 14 (93%) 14 (93%) Parathyroid Gland (1) Cyst 1 (100%) Pituitary Gland (15) (15) (15) (15) Cyst 1 (7%) 2 (13%) Thyroid Gland (15) (15) (15) (14) Cyst 1 (7%) C-Cell, Hyperplasia 1 (7%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 2 NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 ____________________________________________________________________________________________________________________________________ P53+/-(C57BL/6) FEMALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (15) (15) (15) (15) Angiectasis 1 (7%) Cyst 2 (13%) 1 (7%) 2 (13%) 5 (33%) Uterus (15) (15) (15) (15) Inflammation 1 (7%) 1 (7%) 1 (7%) Endometrium, Hyperplasia, Cystic 8 (53%) 7 (47%) 9 (60%) 8 (53%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Spleen (15) (15) (15) (15) Lymphoid Follicle, Atrophy 1 (7%) Lymphoid Follicle, Hyperplasia 1 (7%) Thymus (15) (15) (15) (15) Atrophy 1 (7%) Cyst 6 (40%) 11 (73%) 9 (60%) 11 (73%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM None ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (15) (15) (15) (15) Congestion 1 (7%) Infiltration Cellular, Lymphocyte 1 (7%) 1 (7%) 1 (7%) Inflammation 1 (7%) Thrombosis 1 (7%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 3 NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 ____________________________________________________________________________________________________________________________________ P53+/-(C57BL/6) FEMALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (15) (15) (15) (15) Casts Protein 3 (20%) 10 (67%) 7 (47%) 6 (40%) Nephropathy 2 (13%) 2 (13%) 2 (13%) a Number of animals examined microscopically at site and number of animals with lesion Page 4 NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 ____________________________________________________________________________________________________________________________________ P53+/-(C57BL/6) MALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 15 15 15 15 Early Deaths Survivors Terminal Sacrifice 15 15 15 15 Animals Examined Microscopically 15 15 15 15 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Liver (15) (15) (15) (15) Inflammation 12 (80%) 14 (93%) 13 (87%) 13 (87%) Hepatocyte, Fatty Change 4 (27%) 5 (33%) 1 (7%) Hepatocyte, Vacuolization Cytoplasmic 15 (100%) 15 (100%) 13 (87%) 11 (73%) Mesentery (1) Fat, Necrosis 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (15) (15) (15) (15) Hyperplasia 2 (13%) Hypertrophy 2 (13%) 2 (13%) Subcapsular, Hyperplasia 2 (13%) 3 (20%) 1 (7%) 3 (20%) Pituitary Gland (15) (15) (15) (15) Cyst 3 (20%) 1 (7%) 1 (7%) 4 (27%) Thyroid Gland (15) (14) (15) (15) Cyst 1 (7%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM a Number of animals examined microscopically at site and number of animals with lesion Page 5 NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 ____________________________________________________________________________________________________________________________________ P53+/-(C57BL/6) MALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - CONT Epididymis (15) (15) (15) (15) Granuloma Sperm 1 (7%) 1 (7%) Inflammation 1 (7%) Testes (15) (15) (15) (15) Mineralization 1 (7%) 1 (7%) 2 (13%) Germinal Epithelium, Degeneration 2 (13%) 1 (7%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Thymus (15) (15) (15) (15) Cyst 9 (60%) 12 (80%) 6 (40%) 9 (60%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM None ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (15) (15) (15) (15) Fibrosis 1 (7%) Infiltration Cellular, Histiocyte 1 (7%) Alveolar Epithelium, Hyperplasia 1 (7%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (1) Cataract 1 (100%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 6 NTP Experiment-Test: 97013-04 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: SUBCHRON 26-WEEK WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Date: 06/11/04 Route: DOSED WATER Time: 08:29:19 ____________________________________________________________________________________________________________________________________ P53+/-(C57BL/6) MALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (15) (15) (15) (15) Casts Protein 1 (7%) 5 (33%) 4 (27%) 7 (47%) Cyst 1 (7%) Mineralization 1 (7%) Nephropathy 7 (47%) 3 (20%) 11 (73%) 13 (87%) Cortex, Crystals 1 (7%) Renal Tubule, Degeneration 9 (60%) 12 (80%) Renal Tubule, Dilatation 5 (33%) 4 (27%) 6 (40%) Renal Tubule, Vacuolization Cytoplasmic 14 (93%) 1 (7%) a Number of animals examined microscopically at site and number of animals with lesion Page 7 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------