TDMS Study 97013-91 Pathology Tables
NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 FINAL#1 MICE Facility: Battelle Columbus Laboratory Chemical CAS #: 79-43-6 Lock Date: 07/31/01 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: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 10 10 10 10 Early Deaths Moribund Sacrifice 1 1 2 Natural Death 2 1 2 Survivors Terminal Sacrifice 7 9 7 8 Animals Examined Microscopically 10 10 10 10 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Rectum (1) Anus, Squamous Cell Papilloma 1 (100%) Liver (10) (10) (10) (10) Stomach, Forestomach (10) (10) (10) (10) Squamous Cell Papilloma 5 (50%) 1 (10%) 3 (30%) 2 (20%) Squamous Cell Papilloma, Multiple 1 (10%) 6 (60%) 4 (40%) 4 (40%) Tooth (1) (2) (3) (3) Odontogenic Tumor 1 (100%) 2 (100%) 3 (100%) 3 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (10) (10) (10) (10) Adrenal Medulla (10) (10) (10) (10) Pituitary Gland (10) (10) (10) (10) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ Page 2 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (10) (10) (10) (10) Oviduct (1) Adenoma 1 (100%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node (1) (1) Spleen (10) (10) (10) (10) Thymus (10) (10) (9) (10) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (6) (7) (7) (7) Squamous Cell Papilloma 1 (17%) 2 (29%) 4 (57%) 4 (57%) Squamous Cell Papilloma, Multiple 5 (83%) 5 (71%) 2 (29%) 3 (43%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (10) (10) (10) (10) Alveolar/Bronchiolar Adenoma 2 (20%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ Page 3 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (10) (10) (10) (10) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(10) *(10) *(10) *(10) Leukemia Erythrocytic 3 (30%) 1 (10%) 1 (10%) Lymphoma Malignant 1 (10%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 4 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS FEMALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 9 9 8 9 Total Primary Neoplasms 17 18 17 19 Total Animals with Benign Neoplasms 7 8 7 8 Total Benign Neoplasms 13 15 13 15 Total Animals with Malignant Neoplasms 3 1 1 1 Total Malignant Neoplasms 3 1 1 1 Total Animals with Metastatic Neoplasms Total Metastatic Neoplasm Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 1 2 3 3 Total Uncertain Neoplasms 1 2 3 3 ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 5 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 10 10 10 10 Early Deaths Natural Death 1 Moribund Sacrifice 1 Survivors Terminal Sacrifice 9 9 10 10 Animals Examined Microscopically 10 10 10 10 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Liver (10) (10) (10) (10) Hepatocellular Adenoma 1 (10%) Stomach, Forestomach (10) (10) (10) (10) Squamous Cell Papilloma 2 (20%) 3 (30%) 1 (10%) 2 (20%) Squamous Cell Papilloma, Multiple 3 (30%) 6 (60%) 5 (50%) 5 (50%) Tooth (2) (1) (1) (2) Odontogenic Tumor 1 (100%) 1 (100%) 1 (50%) Odontogenic Tumor, Multiple 2 (100%) 1 (50%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (10) (10) (10) (10) Adrenal Medulla (10) (10) (10) (10) Pituitary Gland (10) (10) (10) (10) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ Page 6 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM None ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node, Mandibular (10) (10) (10) (10) Spleen (10) (10) (10) (10) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (9) (9) (9) (8) Squamous Cell Papilloma 1 (11%) Squamous Cell Papilloma, Multiple 9 (100%) 8 (89%) 9 (100%) 8 (100%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (10) (10) (10) (10) Alveolar/Bronchiolar Adenoma 1 (10%) 7 (70%) 3 (30%) Alveolar/Bronchiolar Adenoma, Multiple 2 (20%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ Page 7 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (10) (10) (10) (10) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(10) *(10) *(10) *(10) Leukemia Erythrocytic 1 (10%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 8 NTP Experiment-Test: 97013-91 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: 26-39 WEEKS WATER DISINFECTION MODEL (DICHLOROACETIC ACID) Date: 12/05/03 Route: DOSED WATER Time: 09:39:19 ____________________________________________________________________________________________________________________________________ TGAC (FVB/N) HEMIZYGOUS MALE 0 MG/L 500 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 9 9 10 9 Total Primary Neoplasms 17 21 24 21 Total Animals with Benign Neoplasms 9 9 10 9 Total Benign Neoplasms 15 20 22 19 Total Animals with Malignant Neoplasms 1 Total Malignant Neoplasms 1 Total Animals with Metastatic Neoplasms Total Metastatic Neoplasm Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 2 1 1 2 Total Uncertain Neoplasms 2 1 1 2 ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 9 ------------------------------------------------------------ ---------- END OF REPORT ---------- 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