TDMS Study 96007-04 Pathology Tables
NTP Experiment-Test: 96007-04 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:42:39 53 WEEK SSAC/FINAL#1 Facility: Battelle Columbus Laboratory Chemical CAS #: TEFDIOXINMIX Lock Date: 09/12/01 Cage Range: All Reasons For Removal: 25017 Scheduled Sacrifice Removal Date Range: 06/16/99 - 06/19/99 Treatment Groups: Include 001 TERT.MIXCONTROL Include 002 TERT.MIXTEQ=10 Include 003 TERT.MIXTEQ=22 Include 004 TERT.MIXTEQ=46 Include 005 TERT.MIXTEQ=100 a Number of animals examined microscopically at site and number of animals with lesion Page 1 NTP Experiment-Test: 96007-04 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:42:39 ____________________________________________________________________________________________________________________________________ SPRAGUE-DAWLEY RATS FEMALE TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 98 98 98 98 98 Scheduled Sacrifice 13 13 13 13 13 Early Deaths Survivors Animals Examined Microscopically 8 8 8 8 8 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM None ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM None ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Thyroid Gland (8) (8) (8) (8) (8) C-Cell, Adenoma 2 (25%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM None ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM None ____________________________________________________________________________________________________________________________________ Page 2 NTP Experiment-Test: 96007-04 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:42:39 ____________________________________________________________________________________________________________________________________ SPRAGUE-DAWLEY RATS FEMALE TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (8) (1) (1) (1) (8) Fibroadenoma 1 (100%) 1 (100%) 1 (100%) 2 (25%) Skin (1) Subcutaneous Tissue, Fibrosarcoma 1 (100%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM None ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM None Page 3 NTP Experiment-Test: 96007-04 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:42:39 ____________________________________________________________________________________________________________________________________ SPRAGUE-DAWLEY RATS FEMALE TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 2 1 2 1 2 Total Primary Neoplasms 2 1 2 1 2 Total Animals with Benign Neoplasms 2 1 1 1 2 Total Benign Neoplasms 2 1 1 1 2 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 Total Uncertain Neoplasms ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 4 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------