TDMS Study 96020-01 Pathology Tables
NTP Experiment-Test: 96020-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03
Study Type: CHRONIC TEF EVALUATION (BINARY MIXTURE; PCB 126/PCB 153) Date: 03/03/04
Route: GAVAGE Time: 12:43:04
14 WEEK SSAC FINAL #1
Facility: Battelle Columbus Laboratory
Chemical CAS #: TEFBINARYMIX
Lock Date: 03/27/02
Cage Range: All
Reasons For Removal: 25017 Scheduled Sacrifice
Removal Date Range: 12/16/98 - 12/17/98
Treatment Groups: Include 001 0 NG / 0 UG
Include 002 10 NG / 10 UG
Include 003 100 NG /100 UG
Include 005 300 NG /300 UG
Include 007 1000 NG/1000 UG
a Number of animals examined microscopically at site and number of animals with lesion
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NTP Experiment-Test: 96020-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03
Study Type: CHRONIC TEF EVALUATION (BINARY MIXTURE; PCB 126/PCB 153) Date: 03/03/04
Route: GAVAGE Time: 12:43:04
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SPRAGUE-DAWLEY RATS FEMALE 0 NG / 10 NG / 100 NG / 300 NG / 1000 NG/
0 UG 10 UG 100 UG 300 UG 1000 UG
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY
Animals Initially In Study 98 86 98 98 98
Scheduled Sacrifice 16 10 16 16 16
Early Deaths
Survivors
Animals Examined Microscopically 10 10 10 10 10
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ALIMENTARY SYSTEM
Liver (10) (10) (10) (10) (10)
Fatty Change, Diffuse 1 (10%) 6 (60%)
Inflammation 10 (100%) 10 (100%) 10 (100%) 10 (100%) 10 (100%)
Mixed Cell Focus 1 (10%) 1 (10%) 1 (10%)
Necrosis 1 (10%)
Pigmentation 4 (40%) 5 (50%) 8 (80%)
Hepatocyte, Hypertrophy 4 (40%) 3 (30%) 6 (60%) 10 (100%)
Hepatocyte, Multinucleated 7 (70%)
Pancreas (10) (10) (10) (10) (10)
Basophilic Focus 2 (20%)
Acinus, Atrophy 1 (10%) 1 (10%)
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CARDIOVASCULAR SYSTEM
None
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ENDOCRINE SYSTEM
Adrenal Cortex (10) (10) (10) (10) (10)
Hypertrophy 1 (10%) 1 (10%) 1 (10%)
Thyroid Gland (10) (10) (10) (10) (10)
Follicular Cell, Hypertrophy 3 (30%) 3 (30%) 4 (40%) 8 (80%) 9 (90%)
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GENERAL BODY SYSTEM
None
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a Number of animals examined microscopically at site and number of animals with lesion
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NTP Experiment-Test: 96020-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03
Study Type: CHRONIC TEF EVALUATION (BINARY MIXTURE; PCB 126/PCB 153) Date: 03/03/04
Route: GAVAGE Time: 12:43:04
____________________________________________________________________________________________________________________________________
SPRAGUE-DAWLEY RATS FEMALE 0 NG / 10 NG / 100 NG / 300 NG / 1000 NG/
0 UG 10 UG 100 UG 300 UG 1000 UG
____________________________________________________________________________________________________________________________________
GENITAL SYSTEM
Ovary (10) (10) (10) (10) (10)
Atrophy 4 (40%) 2 (20%) 4 (40%) 3 (30%) 3 (30%)
Uterus (10) (10) (10) (10) (10)
Metaplasia, Squamous 2 (20%) 1 (10%) 3 (30%) 1 (10%) 1 (10%)
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HEMATOPOIETIC SYSTEM
Spleen (10)
Pigmentation 10 (100%)
Thymus (10) (10) (10) (10) (10)
Atrophy 4 (40%) 1 (10%) 1 (10%) 5 (50%)
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INTEGUMENTARY SYSTEM
None
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MUSCULOSKELETAL SYSTEM
None
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NERVOUS SYSTEM
None
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RESPIRATORY SYSTEM
Lung (10) (10) (10) (10) (10)
Hemorrhage 1 (10%)
Inflammation 1 (10%) 1 (10%) 1 (10%)
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SPECIAL SENSES SYSTEM
None
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a Number of animals examined microscopically at site and number of animals with lesion
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NTP Experiment-Test: 96020-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03
Study Type: CHRONIC TEF EVALUATION (BINARY MIXTURE; PCB 126/PCB 153) Date: 03/03/04
Route: GAVAGE Time: 12:43:04
____________________________________________________________________________________________________________________________________
SPRAGUE-DAWLEY RATS FEMALE 0 NG / 10 NG / 100 NG / 300 NG / 1000 NG/
0 UG 10 UG 100 UG 300 UG 1000 UG
____________________________________________________________________________________________________________________________________
URINARY SYSTEM
None
a Number of animals examined microscopically at site and number of animals with lesion
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