TDMS Study 92012-06 Pathology Tables
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
27 WEEK SSAC/FINAL#1 MICE
Facility: Southern Research Institute
Chemical CAS #: 693-98-1
Lock Date: 10/16/01
Cage Range: All
Reasons For Removal: 25017 Scheduled Sacrifice
Removal Date Range: All
Treatment Groups: Include All
Page 1
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A |
0PPM | 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + | 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 |
Hematopoietic Cell Proliferation | 1 | 1 1.0|
Infiltration Cellular, Mixed Cell | 1 1 1 1 1 1 | 6 1.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE 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
Page 2
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A |
0PPM | 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Accessory Adrenal Cortical Nodule | 3 3 | 2 3.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + M M + + + + + + | 8 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + I M + + + + + + | 8 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + M + + + + + + | 9 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + | 10 |
Cyst | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + | 10 |
Hyperplasia, Cystic | 2 2 1 | 3 1.7|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
Pigmentation | 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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
Page 3
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A |
0PPM | 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 1 1 | 2 1.0|
Pigmentation | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
Inflammation, Chronic | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | M + + + + + + + + + | 9 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + | 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
Page 4
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A |
0PPM | 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 | 1 1.0|
|__________________________________________________________________________|____________|
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
Page 5
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A |
625 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + I + | 9 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Infiltration Cellular, Mixed Cell | 1 1 1 1 1 1 1 | 7 1.0|
Necrosis, Focal | 1 | 1 1.0|
Hepatocyte, Vacuolization Cytoplasmic| 2 | 1 2.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 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
Page 6
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A |
625 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
Follicular Cell, Hypertrophy | 1 1 1 1 1 1 1 1 | 8 1.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + | 10 |
Cyst | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + | 10 |
Hyperplasia, Cystic | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
Pigmentation | 2 | 1 2.0|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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
Page 7
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A |
625 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 2 1 1 1 1 | 5 1.2|
Pigmentation | 1 1 1 | 3 1.0|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + | 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
Page 8
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A |
625 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | L |
| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
Harderian Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 | 1 1.0|
|__________________________________________________________________________|____________|
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
Page 9
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A |
1250 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| | L |
| 6| 7| 8| 9| 0| 1| 3| 4| 5| 1| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Gallbladder | + + + M + + + + + + | 9 |
|__________________________________________________________________________|____________|
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, Mixed Cell | 1 1 1 | 3 1.0|
Hepatocyte, Vacuolization Cytoplasmic| 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE 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
Page 10
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A |
1250 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| | L |
| 6| 7| 8| 9| 0| 1| 3| 4| 5| 1| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
Follicular Cell, Hypertrophy | 1 1 1 1 1 1 1 2 1 1 | 10 1.1|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + | 10 |
Hyperplasia, Cystic | 3 2 2 2 | 4 2.3|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 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
Page 11
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A |
1250 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| | L |
| 6| 7| 8| 9| 0| 1| 3| 4| 5| 1| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 2 1 1 2 1 2 | 6 1.5|
Pigmentation | 2 1 2 1 1 1 1 | 7 1.3|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + | 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
Page 12
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | A |
1250 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| | L |
| 6| 7| 8| 9| 0| 1| 3| 4| 5| 1| | |
_____________________________________________________________________________________________________________________|____________|
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
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
Page 13
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A |
2500 PPM | 5| 5| 5| 5| 5| 7| 7| 7| 7| 8| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + M + + + + | 9 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + | 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, Mixed Cell | 1 1 1 1 1 | 5 1.0|
Hepatocyte, Vacuolization Cytoplasmic| 2 2 2 2 | 4 2.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE 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
Page 14
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A |
2500 PPM | 5| 5| 5| 5| 5| 7| 7| 7| 7| 8| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Accessory Adrenal Cortical Nodule | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
Follicular Cell, Hypertrophy | 2 2 1 2 1 2 2 2 2 1 | 10 1.7|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + | 10 |
Hyperplasia, Cystic | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
Pigmentation | 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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
Page 15
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A |
2500 PPM | 5| 5| 5| 5| 5| 7| 7| 7| 7| 8| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 2 3 1 3 3 3 3 3 3 2 | 10 2.6|
Pigmentation | 2 2 2 1 2 2 2 2 2 2 | 10 1.9|
Lymphoid Follicle, Atrophy | 1 3 1 1 | 4 1.5|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
Hyperplasia, Lymphoid | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES 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
Page 16
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A |
2500 PPM | 5| 5| 5| 5| 5| 7| 7| 7| 7| 8| | L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
Eye | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
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
Page 17
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A |
0PPM | 0| 1| 1| 1| 2| 2| 3| 3| 4| 5| | L |
| 2| 0| 1| 3| 1| 6| 4| 5| 3| 9| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + I + + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + M + + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Infiltration Cellular, Mixed Cell | 1 1 | 2 1.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE 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
Page 18
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A |
0PPM | 0| 1| 1| 1| 2| 2| 3| 3| 4| 5| | L |
| 2| 0| 1| 3| 1| 6| 4| 5| 3| 9| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
Adrenal Cortex | + + + + + + + + + + | 10 |
Accessory Adrenal Cortical Nodule | 3 3 | 2 3.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | M + + + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Coagulating Gland | + | 1 |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
Hyperplasia | 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
Page 19
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A |
0PPM | 0| 1| 1| 1| 2| 2| 3| 3| 4| 5| | L |
| 2| 0| 1| 3| 1| 6| 4| 5| 3| 9| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Lymphoid Follicle, Hyperplasia | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES 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
Page 20
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A |
0PPM | 0| 1| 1| 1| 2| 2| 3| 3| 4| 5| | L |
| 2| 0| 1| 3| 1| 6| 4| 5| 3| 9| | |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
Eye | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Hydronephrosis | 2 | 1 2.0|
Nephropathy | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + | 10 |
Transitional Epithelium, Hyperplasia | 2 | 1 2.0|
__________________________________________________________________________________________________________________________________
* : 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
Page 21
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| | A |
625 PPM | 6| 6| 7| 7| 9| 9| 0| 0| 1| 1| | L |
| 6| 7| 5| 6| 0| 7| 2| 9| 0| 9| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + M + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + | 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, Mixed Cell | 1 1 1 | 3 1.0|
Necrosis, Focal | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
Valve, Hypertrophy | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
_____________________________________________________________________________________________________________________|____________|
* : 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
Page 22
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| | A |
625 PPM | 6| 6| 7| 7| 9| 9| 0| 0| 1| 1| | L |
| 6| 7| 5| 6| 0| 7| 2| 9| 0| 9| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Hypertrophy, Focal | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | M + + + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
Follicular Cell, Hypertrophy | 1 1 1 1 1 | 5 1.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 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
Page 23
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| | A |
625 PPM | 6| 6| 7| 7| 9| 9| 0| 0| 1| 1| | L |
| 6| 7| 5| 6| 0| 7| 2| 9| 0| 9| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lymph Node, Mandibular | + + I + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 1 1 1 1 1 | 5 1.0|
Pigmentation | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
Atrophy | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES 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
Page 24
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| | A |
625 PPM | 6| 6| 7| 7| 9| 9| 0| 0| 1| 1| | L |
| 6| 7| 5| 6| 0| 7| 2| 9| 0| 9| | |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Cyst | 4 | 1 4.0|
Hydronephrosis | 2 | 1 2.0|
|__________________________________________________________________________|____________|
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
Page 25
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
1250 PPM | 2| 2| 3| 5| 5| 6| 6| 6| 7| 7| | L |
| 1| 7| 5| 8| 9| 4| 6| 7| 5| 9| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | M + + + + I + + + + | 8 |
|__________________________________________________________________________|____________|
Gallbladder | + + I + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + M + M + + + + + | 8 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 1 | 1 1.0|
Infiltration Cellular, Mixed Cell | 1 1 1 1 1 1 | 6 1.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE 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
Page 26
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
1250 PPM | 2| 2| 3| 5| 5| 6| 6| 6| 7| 7| | L |
| 1| 7| 5| 8| 9| 4| 6| 7| 5| 9| | |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + M + | 9 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
Follicular Cell, Hypertrophy | 1 1 1 1 1 2 2 1 1 | 9 1.2|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
Inflammation, Chronic | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
Hyperplasia | 2 2 | 2 2.0|
_____________________________________________________________________________________________________________________|____________|
* : 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
Page 27
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
1250 PPM | 2| 2| 3| 5| 5| 6| 6| 6| 7| 7| | L |
| 1| 7| 5| 8| 9| 4| 6| 7| 5| 9| | |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + M + + + + + + + + | 9 |
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 2 3 1 2 2 2 2 3 2 2 | 10 2.1|
Pigmentation | 1 1 1 1 1 1 1 2 1 1 | 10 1.1|
Lymphoid Follicle, Atrophy | 1 1 1 1 2 | 5 1.2|
|__________________________________________________________________________|____________|
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|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 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
Page 28
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A |
1250 PPM | 2| 2| 3| 5| 5| 6| 6| 6| 7| 7| | L |
| 1| 7| 5| 8| 9| 4| 6| 7| 5| 9| | |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 | 1 1.0|
Renal Tubule, Pigmentation | 1 | 1 1.0|
|__________________________________________________________________________|____________|
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
Page 29
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | A |
2500 PPM | 8| 8| 8| 9| 9| 0| 0| 1| 1| 1| | L |
| 1| 5| 7| 0| 4| 0| 8| 4| 6| 8| | |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + M + + + + + | 9 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + M + + + + | 9 |
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + | 10 |
Infiltration Cellular, Mixed Cell | 1 1 | 2 1.0|
Hepatocyte, Karyomegaly | 2 1 1 1 1 | 5 1.2|
Hepatocyte, Vacuolization Cytoplasmic| 2 2 2 2 | 4 2.0|
|__________________________________________________________________________|____________|
Mesentery | + | 1 |
Fat, Necrosis | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR 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
Page 30
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | A |
2500 PPM | 8| 8| 8| 9| 9| 0| 0| 1| 1| 1| | L |
| 1| 5| 7| 0| 4| 0| 8| 4| 6| 8| | |
_____________________________________________________________________________________________________________________|____________|
CARDIOVASCULAR SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + | 10 |
Accessory Adrenal Cortical Nodule | 3 | 1 3.0|
Hyperplasia, Focal | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + M + | 9 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + | 10 |
Follicle, Cyst | 3 | 1 3.0|
Follicular Cell, Hypertrophy | 2 1 2 2 1 2 2 2 2 2 | 10 1.8|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + | 10 |
Cyst | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
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
Page 31
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | A |
2500 PPM | 8| 8| 8| 9| 9| 0| 0| 1| 1| 1| | L |
| 1| 5| 7| 0| 4| 0| 8| 4| 6| 8| | |
_____________________________________________________________________________________________________________________|____________|
GENITAL SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + | 10 |
Hyperplasia | 2 1 2 2 2 | 5 1.8|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + | 10 |
Hematopoietic Cell Proliferation | 3 3 3 3 3 3 3 3 3 3 | 10 3.0|
Pigmentation | 3 2 2 2 2 3 2 2 2 2 | 10 2.2|
Lymphoid Follicle, Atrophy | 1 1 1 1 1 1 1 1 1 1 | 10 1.0|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY 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
Page 32
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 02/24/03
Route: DOSED FEED Time: 15:03:52
__________________________________________________________________________________________________________________________________
| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | |
DAY ON TEST | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| | |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T |
ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | A |
2500 PPM | 8| 8| 8| 9| 9| 0| 0| 1| 1| 1| | L |
| 1| 5| 7| 0| 4| 0| 8| 4| 6| 8| | |
_____________________________________________________________________________________________________________________|____________|
RESPIRATORY SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + | 10 |
Hemorrhage | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + | 10 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + | 10 |
|__________________________________________________________________________|____________|
Harderian Gland | M + + + + + + + + + | 9 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + | 10 |
Nephropathy | 1 1 | 2 1.0|
Renal Tubule, Pigmentation | 2 3 2 2 2 2 2 2 3 2 | 10 2.2|
|__________________________________________________________________________|____________|
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
Page 33
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