TDMS Study 97013-05 Pathology Tables
NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 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 b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 1 NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS 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 4 2 1 1 Moribund Sacrifice 1 3 1 Survivors Terminal Sacrifice 10 13 11 13 Animals Examined Microscopically 15 15 15 15 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (1) Hyperkeratosis 1 [2.0] Liver (15) (15) (15) (15) Basophilic Focus 1 Hematopoietic Cell Proliferation 1 [1.0] 1 [2.0] 3 [1.0] 1 [1.0] Inflammation 11 [1.1] 11 [1.0] 13 [1.3] 14 [1.5] Mitotic Alteration 1 [2.0] Necrosis 2 [1.0] 1 [1.0] Hepatocyte, Fatty Change 4 [1.0] 8 [1.1] 10 [1.5] Hepatocyte, Hypertrophy 1 [2.0] 2 [2.5] 8 [2.4] 12 [2.8] Hepatocyte, Vacuolization Cytoplasmic 2 [1.5] 5 [1.2] 4 [1.5] 8 [1.6] Salivary Glands (1) (1) Inflammation 1 [4.0] Stomach, Forestomach (15) (15) (15) (15) Hyperkeratosis 1 [1.0] 1 [1.0] ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (15) (15) (15) (15) Hematopoietic Cell Proliferation 1 [1.0] 1 [1.0] Hypertrophy 1 [1.0] Subcapsular, Hyperplasia 8 [1.0] 8 [1.0] 7 [1.0] 10 [1.0] Pituitary Gland (15) (15) (15) (15) Cyst 1 [1.0] 1 [1.0] 1 [1.0] a Number of animals examined microscopically at site and number of animals with lesion b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 2 NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - CONT Hypertrophy 1 [1.0] Thyroid Gland (15) (14) (15) (15) Cyst 1 [1.0] 1 [1.0] 2 [1.5] 1 [2.0] Inflammation 1 [1.0] ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (15) (15) (15) (15) Cyst 2 [1.0] 1 [1.0] Oviduct (1) Inflammation, Suppurative 1 [2.0] Uterus (15) (15) (15) (15) Hydrometra 1 [1.0] Inflammation, Suppurative 1 [2.0] Endometrium, Hyperplasia, Cystic 9 [1.3] 8 [1.0] 9 [1.2] 8 [1.1] ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node, Mandibular (15) (15) (15) (15) Hyperplasia 1 [1.0] 1 [3.0] Infiltration Cellular, Plasma Cell 1 [1.0] 1 [1.0] Infiltration Cellular, Polymorphonuclear 1 [1.0] 1 [2.0] Spleen (15) (15) (15) (15) Atrophy 1 [3.0] Hematopoietic Cell Proliferation 2 [1.5] 3 [1.7] 3 [1.3] 1 [2.0] Lymphoid Follicle, Atrophy 1 [3.0] 1 [4.0] Red Pulp, Atrophy 1 [1.0] Thymus (14) (15) (15) (14) Atrophy 2 [3.0] 1 [3.0] 1 [3.0] 1 [4.0] ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (1) (6) (3) Epidermis, Hyperplasia, Focal 1 [2.0] ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 3 NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (15) (15) (15) (15) Infiltration Cellular, Histiocyte 1 [1.0] Inflammation 1 [2.0] 1 [1.0] ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (15) (15) (15) (15) Casts Protein 1 [1.0] 3 [1.0] 2 [1.0] Cyst 2 [1.5] 3 [1.0] 1 [1.0] 2 [1.5] Inflammation 1 [3.0] Nephropathy 1 [1.0] 1 [1.0] 4 [1.0] Renal Tubule, Hypertrophy 1 [1.0] 2 [1.0] 5 [1.0] 2 [1.0] a Number of animals examined microscopically at site and number of animals with lesion b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 4 NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS 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 Moribund Sacrifice 2 3 3 1 Survivors Terminal Sacrifice 13 12 12 14 Animals Examined Microscopically 15 15 15 15 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (1) Hyperkeratosis 1 [2.0] Intestine Small, Duodenum (15) (15) (15) (15) Erosion 1 [2.0] Liver (15) (15) (15) (15) Cyst 1 [1.0] Hematopoietic Cell Proliferation 1 [1.0] 1 [1.0] Inflammation 7 [1.0] 6 [1.0] 7 [1.1] 5 [1.0] Necrosis 3 [1.0] 1 [1.0] 3 [1.0] 3 [1.0] Hepatocyte, Vacuolization Cytoplasmic 6 [1.0] 4 [1.0] 3 [1.0] 3 [1.0] Salivary Glands (1) (2) (1) Inflammation 1 [1.0] Inflammation, Chronic Active 1 [4.0] Stomach, Forestomach (15) (15) (15) (15) Epithelium, Hyperplasia 1 [2.0] ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (15) (15) (15) (15) Hyperplasia 1 [1.0] Hypertrophy 6 [1.0] 7 [1.1] 7 [1.1] 9 [1.0] Subcapsular, Hyperplasia 1 [1.0] 1 [1.0] 1 [1.0] Pituitary Gland (15) (15) (15) (15) Cyst 1 [1.0] Inflammation, Suppurative 1 [3.0] a Number of animals examined microscopically at site and number of animals with lesion b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 5 NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - CONT Necrosis 1 [2.0] Thyroid Gland (15) (15) (15) (15) Cyst 2 [1.5] 1 [1.0] 1 [1.0] ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (15) (15) (15) (15) Inflammation 1 [1.0] Preputial Gland (3) (1) Inflammation 2 [1.5] 1 [1.0] Duct, Ectasia 3 [2.0] 1 [1.0] Testes (15) (15) (15) (15) Hypoplasia 1 [4.0] Germinal Epithelium, Degeneration 3 [2.0] 2 [2.0] 3 [2.0] 3 [2.0] ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node, Mandibular (15) (15) (14) (13) Hyperplasia 1 [3.0] Infiltration Cellular, Plasma Cell 1 [1.0] 1 [2.0] Inflammation 1 [2.0] Necrosis 1 [1.0] Spleen (15) (15) (15) (15) Hematopoietic Cell Proliferation 4 [1.0] 2 [1.5] Lymphoid Follicle, Atrophy 1 [1.0] 1 [2.0] Thymus (15) (14) (15) (15) Atrophy 1 [2.0] 1 [2.0] 1 [3.0] ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (6) (2) (2) (1) Epidermis, Hyperplasia, Focal 1 [2.0] ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM a Number of animals examined microscopically at site and number of animals with lesion b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 6 NTP Experiment-Test: 97013-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT18 Study Type: SUBCHRON 26-WEEK WITH AVERAGE SEVERITY GRADES[b] Date: 06/11/04 Route: DOSED WATER WATER DISINFECTION MODEL (BROMODICHLOROMETHANE) Time: 08:38:10 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/L 175 MG/L 350 MG/L 700 MG/L ____________________________________________________________________________________________________________________________________ None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (15) (15) (15) (15) Inflammation 1 [1.0] 1 [1.0] 1 [2.0] Thrombosis 1 [1.0] 1 [1.0] Alveolar Epithelium, Hyperplasia 1 [1.0] 2 [1.5] ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (1) Retina, Degeneration 1 [2.0] ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (15) (15) (15) (15) Casts Protein 1 [1.0] 2 [1.0] 1 [1.0] 1 [1.0] Cyst 2 [1.0] 3 [1.3] Mineralization 2 [1.5] Nephropathy 4 [1.0] 3 [1.3] 4 [1.3] 11 [1.3] Renal Tubule, Degeneration 4 [1.0] 4 [1.0] 9 [1.3] Renal Tubule, Dilatation 4 [1.0] 11 [1.2] 14 [1.6] 15 [1.7] Renal Tubule, Hypertrophy 1 [1.0] 3 [1.0] 6 [1.2] 11 [1.0] Renal Tubule, Necrosis 1 [3.0] a Number of animals examined microscopically at site and number of animals with lesion b Average severity grade (1-minimal;2-mild;3-moderate;4-marked) Page 7 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------