TDMS Study 93027-41 Pathology Tables
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
13 WEEK SUBCHRONIC
Facility: Battelle Columbus Laboratory
Chemical CAS #: 94-75-7
Lock Date: 06/12/96
Cage Range: All
Reasons For Removal: All
Removal Date Range: All
Treatment Groups: Include All
Page 1
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Infiltration Cellular, Mononuclear | | |
Cell | 1 | 1 1.0|
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 1 | 1 1.0|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
Cardiomyopathy | 1 1 1 1 1 1 | 6 1.0|
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Hypertrophy, Focal | 2 | 1 2.0|
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
Inflammation, Chronic | 1 3 1 1 1 3 2 3 | 8 1.9|
__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + | 10 |
Inflammation, Chronic | 1 | 1 1.0|
__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + | 10 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
GENITAL SYSTEM - cont | | |
| | |
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
Maxilla, Inflammation, Chronic | 3 | 1 3.0|
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Larynx | + | 1 |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
Hemorrhage | 2 | 1 2.0|
Infiltration Cellular, Histiocyte | 1 | 1 1.0|
Alveolus, Infiltration Cellular, | | |
Histiocyte | 1 | 1 1.0|
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lacrimal Gland | + | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 1 1 2 1 | 6 1.2|
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + | 10 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
17 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Infiltration Cellular, Mononuclear | | |
Cell | 1 | 1 1.0|
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 2 1 1 1 1 1 2 1 | 8 1.3|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Zona Glomerulosa, Vacuolization | | |
Cytoplasmic | 1 | 1 1.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
Inflammation, Chronic | 3 2 2 2 2 1 3 3 2 3 | 10 2.3|
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
None | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 4
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
17 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 2 2 1 1 1 1 1 | 9 1.2|
Corticomedullary Junction, Renal | | |
Tubule, Regeneration | 1 | 1 1.0|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
83 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 2 1 1 1 2 1 | 6 1.3|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Zona Glomerulosa, Vacuolization | | |
Cytoplasmic | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Preputial Gland | + M + + + + + + + + | 9 |
Inflammation, Chronic | 1 3 1 1 3 3 3 | 7 2.1|
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
83 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
URINARY SYSTEM - cont | | |
| | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 2 1 1 1 1 1 1 1 1 | 9 1.1|
Corticomedullary Junction, Renal | | |
Tubule, Regeneration | 1 1 1 1 1 | 5 1.0|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
250 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
Inflammation, Chronic | 1 | 1 1.0|
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 1 1 1 1 2 1 | 6 1.2|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Hypertrophy, Focal | 2 | 1 2.0|
Zona Glomerulosa, Vacuolization | | |
Cytoplasmic | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + M + + | 8 |
Inflammation, Chronic | 4 2 2 3 3 3 3 | 7 2.9|
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + | 1 |
Hemorrhage | 3 | 1 3.0|
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
None | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 8
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
250 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 1 1 1 1 1 1 1 1 | 10 1.0|
Corticomedullary Junction, Renal | | |
Tubule, Regeneration | 1 1 1 1 1 | 5 1.0|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
750 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Infiltration Cellular, Mononuclear | | |
Cell | 1 | 1 1.0|
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
Acinar Cell, Atrophy | 2 | 1 2.0|
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 2 1 1 1 1 3 2 2 1 | 9 1.6|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Zona Glomerulosa, Vacuolization | | |
Cytoplasmic | 1 | 1 1.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + M + | 9 |
Inflammation, Chronic | 3 2 2 3 2 2 | 6 2.3|
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
None | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 10
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
750 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 1 1 1 1 1 | 7 1.0|
Corticomedullary Junction, Renal | | |
Tubule, Regeneration | 2 1 1 2 2 1 1 1 2 | 9 1.4|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Clear Cell Focus | X | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 2 2 1 1 1 1 1 1 1 | 9 1.2|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Zona Glomerulosa, Vacuolization | | |
Cytoplasmic | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
Inflammation, Chronic | 2 3 2 3 3 4 3 2 | 8 2.8|
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Eye | + | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
SPECIAL SENSES SYSTEM - cont | | |
| | |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 1 1 | 4 1.0|
Corticomedullary Junction, Renal | | |
Tubule, Regeneration | 2 2 2 2 2 1 2 2 2 2 | 10 1.9|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
2500 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
ALIMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
Mineralization | 1 1 2 1 1 2 2 1 2 | 9 1.4|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
Cardiomyopathy | 1 1 2 | 3 1.3|
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Zona Glomerulosa, Vacuolization | | |
Cytoplasmic | 2 3 | 2 2.5|
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + M | 9 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
Inflammation, Chronic | 3 2 3 3 2 2 3 2 3 3 | 10 2.6|
__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
Atrophy | 3 | 1 3.0|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
NTP Experiment-Test: 93027-41 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: SUBCHRON 90-DAY PEROXISOME PROJECT (2,4-DICHLOROPHENOXYACETIC ACID) Date: 07/08/99
Route: DOSED FEED Time: 09:43:40
__________________________________________________________________________________________________________________________________
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | |
DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | |
| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T (*) |
_____________________________________________________________________________________________________________________| |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
SPRAGUE-DAWLEY RATS MALE | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
2500 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
__________________________________________________________________________________________________________________________________
GENITAL SYSTEM - cont | | |
| | |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
Hemorrhage | 2 | 1 2.0|
Inflammation, Chronic | 3 | 1 3.0|
Inflammation | 3 1 | 2 2.0|
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 | 2 1.0|
Corticomedullary Junction, Renal | | |
Tubule, Regeneration | 3 3 3 3 3 3 3 2 2 2 | 10 2.7|
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + | 10 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
------------------------------------------------------------
---------- END OF REPORT ----------
------------------------------------------------------------