TDMS Study 92012-06 Pathology Tables
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
FINAL #1; REVISION #2 MICE
Facility: Southern Research Institute
Chemical CAS #: 693-98-1
Lock Date: 10/16/01
Cage Range: All
Reasons For Removal: 25019 Moribund Sacrifice 25020 Natural Death
25026 Other 25021 Terminal 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 0| 3|
| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 2| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
0PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + + I + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + M + + + + + + + + +|
Hyperplasia, Lymphoid | 3 |
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | |
Clear Cell Focus | X |
Hematopoietic Cell Proliferation | 4 2 |
Hyperplasia, Lymphoid | 2 2 2 |
Infiltration Cellular, Mixed Cell | 1 3 2 1 1|
Mixed Cell Focus | X X X |
Necrosis, Focal | 1 1 1 4 |
|__________________________________________________________________________|
Mesentery | + +|
Inflammation, Chronic | |
Fat, Necrosis | 3 3|
|__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 4 |
Cyst | 3 |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 2 |
__________________________________________|__________________________________________________________________________|
Page 2
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 0| 3|
| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 2| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
0PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Diverticulum | |
Inflammation, Chronic Active | |
Epithelium, Hyperplasia | |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3 3 3 3|
Capsule, Hyperplasia | 2 2 |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 |
|__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + M + + +|
|__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Pars Distalis, Cyst | 3 |
Pars Distalis, Hyperplasia, Focal | 3 |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 2 2 3 1 2|
Follicular Cell, Hyperplasia | 1 |
Follicular Cell, Hypertrophy | 1 2 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
__________________________________________|__________________________________________________________________________|
Page 3
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 0| 3|
| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 2| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
0PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
__________________________________________|__________________________________________________________________________|
GENITAL SYSTEM - cont | |
|__________________________________________________________________________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 3 3 2 2 |
Cyst | 3 3 3 3 3 3 |
Inflammation, Chronic | 4 |
|__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 3 |
Inflammation, Chronic | 1 3 2 3 |
Metaplasia, Squamous | 2 4 3 |
Endometrium, Hyperplasia, Cystic | 3 3 3 4 3 3 3 4 2 4 2 3 3 3 3 3 3 4 4 3 3 3 3|
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 2 2 4 2 3 4 |
|__________________________________________________________________________|
Lymph Node | + + + + + + |
Bronchial, Hyperplasia, Lymphoid | 3 |
Iliac, Hematopoietic Cell | |
Proliferation | 3 2 |
Iliac, Hyperplasia, Lymphoid | 3 2 2 |
Lumbar, Hyperplasia, Lymphoid | |
Mediastinal, Hyperplasia, Lymphoid | |
Renal, Hematopoietic Cell | |
Proliferation | 3 |
Renal, Hyperplasia, Lymphoid | 4 2 |
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + M|
Hematopoietic Cell Proliferation | 2 3 2 |
Hyperplasia, Lymphoid | 1 3 3 2 |
Hyperplasia, Plasma Cell | 2 2 |
Pigmentation | 2 2 3 2 2 2 2 2 2 3 |
|__________________________________________________________________________|
Lymph Node, Mesenteric | M + + + + + + + + + + + + + + + + + + + + + + + +|
Hematopoietic Cell Proliferation | 3 2 2 |
__________________________________________|__________________________________________________________________________|
Page 4
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 0| 3|
| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 2| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
0PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Hyperplasia, Lymphoid | 3 |
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Congestion | 2 2 |
Hematopoietic Cell Proliferation | 2 2 2 2 3 2 2|
Lymphoid Follicle, Atrophy | |
Lymphoid Follicle, Hyperplasia | 1 2 2 2 2 1 3 1 3 |
|__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 3 2 3 2 3 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + A +|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperostosis | 2 2 2 |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 2 |
Foreign Body | X X|
Hemorrhage | 1 |
Hyperplasia, Lymphoid | 2 2 2 2 2 3 |
Infiltration Cellular, Histiocyte | 1 |
Alveolar Epithelium, Hyperplasia | |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 5
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 0| 3|
| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 2| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
0PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
__________________________________________|__________________________________________________________________________|
RESPIRATORY SYSTEM - cont | |
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 |
|__________________________________________________________________________|
Lacrimal Gland | +|
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 |
Hyperplasia, Lymphoid | 2 2 2 2 2 2 |
Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1|
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 3 2 3 3 2 2 2 2 3 |
Inflammation, Chronic | 1 |
__________________________________________|__________________________________________________________________________
Page 6
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 4| 4| 4| 4| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A |
0PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | M + + M + + + + + + + + + + + + + + + + + + + + +| 47 |
Hyperplasia, Lymphoid | | 1 3.0|
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | 3 | 1 3.0|
Clear Cell Focus | | 1 |
Hematopoietic Cell Proliferation | 3 | 3 3.0|
Hyperplasia, Lymphoid | | 3 2.0|
Infiltration Cellular, Mixed Cell | 2 2 1 1 2 1 2 3 | 13 1.7|
Mixed Cell Focus | X | 4 |
Necrosis, Focal | 1 | 5 1.6|
|__________________________________________________________________________|____________|
Mesentery | + | 3 |
Inflammation, Chronic | 4 | 1 4.0|
Fat, Necrosis | | 2 3.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | | 1 4.0|
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 4| 4| 4| 4| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A |
0PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Cyst | | 1 3.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Diverticulum | X | 1 |
Inflammation, Chronic Active | 2 | 1 2.0|
Epithelium, Hyperplasia | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Accessory Adrenal Cortical Nodule | 3 3 | 7 3.0|
Capsule, Hyperplasia | 2 | 3 2.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | | 1 2.0|
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Pars Distalis, Cyst | | 1 3.0|
Pars Distalis, Hyperplasia, Focal | | 1 3.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 4| 4| 4| 4| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A |
0PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
Degeneration, Cystic | 3 2 2 2 1 4 2 2 1 2 | 15 2.1|
Follicular Cell, Hyperplasia | | 1 1.0|
Follicular Cell, Hypertrophy | 1 1 1 1 | 6 1.2|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | 3 2 2 2 2 2 3 2 | 12 2.3|
Cyst | 3 3 3 3| 10 3.0|
Inflammation, Chronic | 4 4 | 3 4.0|
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | 3 4 | 3 3.3|
Inflammation, Chronic | 4 4 | 6 2.8|
Metaplasia, Squamous | 3 3 | 5 3.0|
Endometrium, Hyperplasia, Cystic | 3 2 3 3 2 3 3 2 3 4 2 3 2 2 3 4 2 4 4 3 3 3 4 3 2| 48 3.0|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 2 3 3 | 10 2.7|
|__________________________________________________________________________|____________|
Lymph Node | + + + + + + | 12 |
Bronchial, Hyperplasia, Lymphoid | | 1 3.0|
Iliac, Hematopoietic Cell | | |
Proliferation | | 2 2.5|
Iliac, Hyperplasia, Lymphoid | 2 2 | 5 2.2|
Lumbar, Hyperplasia, Lymphoid | 2 | 1 2.0|
Mediastinal, Hyperplasia, Lymphoid | 4 | 1 4.0|
_____________________________________________________________________________________________________________________|____________|
* : 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 9
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 4| 4| 4| 4| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A |
0PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Renal, Hematopoietic Cell | | |
Proliferation | | 1 3.0|
Renal, Hyperplasia, Lymphoid | 2 | 3 2.7|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + + + + + +| 48 |
Hematopoietic Cell Proliferation | | 3 2.3|
Hyperplasia, Lymphoid | 1 3 1 3 1 2 2 | 11 2.0|
Hyperplasia, Plasma Cell | | 2 2.0|
Pigmentation | 2 2 2 2 2 2 3 2 2 2 3 2 2 2| 24 2.2|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + I + + + + + + +| 48 |
Hematopoietic Cell Proliferation | 2 2 | 5 2.2|
Hyperplasia, Lymphoid | 2 2 | 3 2.3|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Congestion | | 2 2.0|
Hematopoietic Cell Proliferation | 2 3 2 2 1 3 2 2 | 15 2.1|
Lymphoid Follicle, Atrophy | 2 | 1 2.0|
Lymphoid Follicle, Hyperplasia | 1 2 2 | 12 1.8|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | | 5 2.6|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperostosis | 2 2 2 2 1 2 | 9 1.9|
_____________________________________________________________________________________________________________________| |
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 10
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 4| 4| 4| 4| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A |
0PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | | 2 2.0|
Foreign Body | | 2 |
Hemorrhage | 1 1 2 | 4 1.3|
Hyperplasia, Lymphoid | 3 2 2 | 9 2.2|
Infiltration Cellular, Histiocyte | 2 | 2 1.5|
Alveolar Epithelium, Hyperplasia | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | | 1 2.0|
|__________________________________________________________________________|____________|
Lacrimal Gland | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | | 1 3.0|
Hyperplasia, Lymphoid | 2 2 | 8 2.0|
Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 | 27 1.1|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 11
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 4| 4| 4| 4| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A |
0PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| L |
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
URINARY SYSTEM - cont | | |
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia, Lymphoid | 2 3 2 2 2 2 2 | 16 2.3|
Inflammation, Chronic | | 1 1.0|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 12
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 6|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 0|
| 4| 4| 4| 4| 4| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 4| 4| 2| 4| 6| 3| 3| 3| 3| 6|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + M + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + A|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + M + + + + + + + + + + + + + + + + + + + + + M|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + M|
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + M + + + + + + + + + + + + + + + + + + A|
Hyperplasia, Lymphoid | |
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + +|
Basophilic Focus | X X X |
Hematopoietic Cell Proliferation | 2 |
Hemorrhage | |
Hyperplasia, Lymphoid | 2 |
Infarct | |
Infiltration Cellular, Mixed Cell | 1 1 1 |
Mixed Cell Focus | X |
Necrosis, Focal | 1 |
Bile Duct, Hyperplasia | 3 |
Kupffer Cell, Pigmentation | 4 |
|__________________________________________________________________________|
Mesentery | + + |
Inflammation, Chronic | 3 |
Fat, Necrosis | 2 |
|__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 13
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 6|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 0|
| 4| 4| 4| 4| 4| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 4| 4| 2| 4| 6| 3| 3| 3| 3| 6|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
Hyperplasia, Lymphoid | 2 3 3 |
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic Active | |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Blood Vessel | + + |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3 |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 |
|__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + M M|
Cyst | |
|__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + +|
Pars Distalis, Angiectasis | 4 |
Pars Distalis, Cyst | 3 3 |
Pars Distalis, Hyperplasia, Focal | |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 4 2 1 1 1 1 2 3 |
Follicular Cell, Hyperplasia | 2 |
Follicular Cell, Hypertrophy | 1 1 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
__________________________________________|__________________________________________________________________________|
Page 14
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 6|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 0|
| 4| 4| 4| 4| 4| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 4| 4| 2| 4| 6| 3| 3| 3| 3| 6|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Clitoral Gland | + + + + + + + + + + + + + + + + + M + + + + + +|
|__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 2 2 2 2 |
Cyst | 3 3 3 3 3 |
|__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 2 |
Inflammation, Chronic | 2 2 |
Cervix, Cyst Epithelial Inclusion | |
Endometrium, Hyperplasia, Cystic | 1 4 3 4 4 3 3 3 4 3 3 3 3 4 4 3 4 3 3 3 1 4 4|
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 2 |
|__________________________________________________________________________|
Lymph Node | + + + + + |
Iliac, Hematopoietic Cell | |
Proliferation | 2 |
Iliac, Hyperplasia, Lymphoid | 3 3 3 |
Iliac, Pigmentation | 2 |
Lumbar, Hyperplasia, Lymphoid | 2 |
Lumbar, Pigmentation | 2 |
Mediastinal, Hyperplasia, Lymphoid | 3 |
Renal, Hyperplasia, Lymphoid | 4 |
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + M|
Hyperplasia, Lymphoid | 1 4 1 2 1 1 4 1 2 |
Hyperplasia, Plasma Cell | 3 |
Pigmentation | 3 3 2 2 2 2 2 2 |
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + I + + + + + + + + + + + +|
Hematopoietic Cell Proliferation | 3 2 |
Hemorrhage | |
Hyperplasia, Lymphoid | 3 3 3 3 |
Hyperplasia, Plasma Cell | 3 |
__________________________________________|__________________________________________________________________________|
Page 15
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 6|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 0|
| 4| 4| 4| 4| 4| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 4| 4| 2| 4| 6| 3| 3| 3| 3| 6|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | |
Hematopoietic Cell Proliferation | 2 2 2 2 3 4 2 2 1 4 2 |
Hyperplasia, Plasma Cell | 3 |
Pigmentation | 1 1 |
Lymphoid Follicle, Atrophy | 1 |
Lymphoid Follicle, Hyperplasia | 1 2 4 1 3 1 2 |
|__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + I + + + + +|
Atrophy | 2 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperostosis | 2 2 3 3 2 2 |
|__________________________________________________________________________|
Skeletal Muscle | |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + +|
Hemorrhage | |
Inflammation, Chronic Active | |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | X |
Hemorrhage | |
Hyperplasia, Lymphoid | 2 2 2 |
__________________________________________|__________________________________________________________________________|
Page 16
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 6|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 0|
| 4| 4| 4| 4| 4| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 4| 4| 2| 4| 6| 3| 3| 3| 3| 6|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
RESPIRATORY SYSTEM - cont | |
Infiltration Cellular, Histiocyte | |
Thrombosis | 2|
Alveolar Epithelium, Hyperplasia | 2 |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | X |
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + +|
Cataract | |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Focal | |
|__________________________________________________________________________|
Lacrimal Gland | + |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 |
Hyperplasia, Lymphoid | 2 2 2 2 2 |
Metaplasia, Osseous | 2 |
Nephropathy | 1 1 1 1 1 |
Renal Tubule, Accumulation, Hyaline | |
Droplet | |
Renal Tubule, Pigmentation | 2 |
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 2 2 3 3 2 2 2 2 |
Inflammation, Chronic | |
Transitional Epithelium, Hyperplasia | |
__________________________________________|__________________________________________________________________________
Page 17
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 2| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 2| 0| 0| 2| 2| 4| 4| 4| 4| 4| 2| 2| 2| 9| 2| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
625 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + M| 47 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + I + + + + + + + + + + + + + + + + +| 46 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 |
Hyperplasia, Lymphoid | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Basophilic Focus | X | 4 |
Hematopoietic Cell Proliferation | 2 2 | 3 2.0|
Hemorrhage | 3 | 1 3.0|
Hyperplasia, Lymphoid | 2 3 | 3 2.3|
Infarct | 3 | 1 3.0|
Infiltration Cellular, Mixed Cell | 3 2 | 5 1.6|
Mixed Cell Focus | | 1 |
Necrosis, Focal | 1 | 2 1.0|
Bile Duct, Hyperplasia | | 1 3.0|
Kupffer Cell, Pigmentation | 4 | 2 4.0|
|__________________________________________________________________________|____________|
Mesentery | + + | 4 |
Inflammation, Chronic | | 1 3.0|
Fat, Necrosis | 2 3 | 3 2.3|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 2| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 2| 0| 0| 2| 2| 4| 4| 4| 4| 4| 2| 2| 2| 9| 2| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
625 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Cyst | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | 3 2 | 5 2.6|
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Inflammation, Chronic Active | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Blood Vessel | | 2 |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Accessory Adrenal Cortical Nodule | 3 3 3 | 5 3.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + M + + + + + +| 48 |
Hyperplasia | | 1 2.0|
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| 46 |
Cyst | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Pars Distalis, Angiectasis | 2 1 | 3 2.3|
Pars Distalis, Cyst | 3 | 3 3.0|
Pars Distalis, Hyperplasia, Focal | 2 1 | 2 1.5|
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 2| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 2| 0| 0| 2| 2| 4| 4| 4| 4| 4| 2| 2| 2| 9| 2| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
625 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| 48 |
Degeneration, Cystic | 2 2 2 1 1 2 | 14 1.8|
Follicular Cell, Hyperplasia | | 1 2.0|
Follicular Cell, Hypertrophy | 1 | 3 1.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Angiectasis | 3 3 3 | 7 2.4|
Cyst | 3 3 3 3 3 3| 11 3.0|
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Angiectasis | 3 | 2 2.5|
Inflammation, Chronic | | 2 2.0|
Cervix, Cyst Epithelial Inclusion | X | 1 |
Endometrium, Hyperplasia, Cystic | 4 2 3 2 2 2 3 4 3 4 2 3 3 4 2 4 3 4 3 2 4 4 3 3| 47 3.1|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia | 2 2 2 | 5 2.0|
|__________________________________________________________________________|____________|
Lymph Node | + | 6 |
Iliac, Hematopoietic Cell | | |
Proliferation | | 1 2.0|
Iliac, Hyperplasia, Lymphoid | | 3 3.0|
Iliac, Pigmentation | | 1 2.0|
Lumbar, Hyperplasia, Lymphoid | | 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 20
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 2| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 2| 0| 0| 2| 2| 4| 4| 4| 4| 4| 2| 2| 2| 9| 2| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
625 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lumbar, Pigmentation | | 1 2.0|
Mediastinal, Hyperplasia, Lymphoid | | 1 3.0|
Renal, Hyperplasia, Lymphoid | | 1 4.0|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Hyperplasia, Lymphoid | 1 2 2 | 12 1.8|
Hyperplasia, Plasma Cell | | 1 3.0|
Pigmentation | 2 3 2 2 2 3 2 2 2 2 2 2| 20 2.2|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Hematopoietic Cell Proliferation | 2 | 3 2.3|
Hemorrhage | 2 | 1 2.0|
Hyperplasia, Lymphoid | 2 3 3 | 7 2.9|
Hyperplasia, Plasma Cell | | 1 3.0|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Atrophy | 1 | 1 1.0|
Hematopoietic Cell Proliferation | 4 2 2 1 2 1 2 2 2 | 20 2.2|
Hyperplasia, Plasma Cell | | 1 3.0|
Pigmentation | 2 1 | 4 1.3|
Lymphoid Follicle, Atrophy | 4 1 | 3 2.0|
Lymphoid Follicle, Hyperplasia | 1 2 2 1 2 2 1 | 14 1.8|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Atrophy | 2 | 2 2.0|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia | 3 | 2 2.5|
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL 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 21
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 2| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 2| 0| 0| 2| 2| 4| 4| 4| 4| 4| 2| 2| 2| 9| 2| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
625 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
MUSCULOSKELETAL SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperostosis | 3 2 2 2 2 2 2 | 13 2.2|
|__________________________________________________________________________|____________|
Skeletal Muscle | + | 1 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hemorrhage | 1 | 1 1.0|
Inflammation, Chronic Active | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Foreign Body | X | 2 |
Hemorrhage | 2 1 1 | 3 1.3|
Hyperplasia, Lymphoid | 2 2 2 | 6 2.0|
Infiltration Cellular, Histiocyte | 2 3 | 2 2.5|
Thrombosis | | 1 2.0|
Alveolar Epithelium, Hyperplasia | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Foreign Body | | 1 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Cataract | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Focal | 4 3 2 | 3 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 22
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 2| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
| 2| 0| 0| 2| 2| 4| 4| 4| 4| 4| 2| 2| 2| 9| 2| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
625 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Lacrimal Gland | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Cyst | 3 | 2 3.0|
Hyperplasia, Lymphoid | 2 2 2 2 2 2 3 2 2 2 2| 16 2.1|
Metaplasia, Osseous | | 1 2.0|
Nephropathy | 1 2 1 1 1 1 1 1 1 1 1 1| 17 1.1|
Renal Tubule, Accumulation, Hyaline | | |
Droplet | 2 | 1 2.0|
Renal Tubule, Pigmentation | 3 | 2 2.5|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | 2 2 2 2 2 2 2| 16 2.1|
Inflammation, Chronic | 2 | 1 2.0|
Transitional Epithelium, Hyperplasia | 1 | 1 1.0|
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 23
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 8| 4| 4| 4| 4| 5| 2| 2| 2| 2| 2|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
1250 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + + + + A + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + M + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + A + + + + + + + + + + + + + + + + + +|
Edema | |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + A + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + A + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + A + + + + + + + + + M + + + + + + + +|
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Basophilic Focus | |
Clear Cell Focus | |
Eosinophilic Focus | X |
Hematopoietic Cell Proliferation | 2 2 |
Hepatodiaphragmatic Nodule | X |
Infiltration Cellular, Mixed Cell | 2 2 1 1 1 |
Mixed Cell Focus | X X |
Necrosis, Focal | 2 3|
Tension Lipidosis | X |
Hepatocyte, Vacuolization Cytoplasmic| |
|__________________________________________________________________________|
Mesentery | + + + + + + |
Fat, Angiectasis | 3 |
Fat, Necrosis | 1 2 1 2 2 3 |
|__________________________________________________________________________|
Pancreas | + + + + + + A + + + + + + + + + + + + + + + + + +|
Cyst | |
Acinus, Cytoplasmic Alteration | 3 |
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 24
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 8| 4| 4| 4| 4| 5| 2| 2| 2| 2| 2|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
1250 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 |
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic Active | 2 3 |
Epithelium, Hyperplasia | 1 3 4 |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + A + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Blood Vessel | + |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Myocardium, Necrosis | |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3|
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 |
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + A + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Parathyroid Gland | M + + + + + + + + + + M + + + + + + + + + + + + +|
Cyst | 3 |
|__________________________________________________________________________|
Pituitary Gland | + + + + + + M + + + + + + + + + + + + + + + + + +|
Pars Distalis, Angiectasis | |
Pars Distalis, Cyst | 2 |
Pars Distalis, Hyperplasia, Focal | 1 |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 2 1 2 1 2|
Follicle, Cyst | 3 |
Follicular Cell, Hyperplasia | 1|
__________________________________________|__________________________________________________________________________|
Page 25
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 8| 4| 4| 4| 4| 5| 2| 2| 2| 2| 2|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
1250 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
Follicular Cell, Hypertrophy | 1 1 1 1 1 1 1 1 1 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 2 2 3 |
Cyst | 3 3 3 3 3 3 3 |
Inflammation, Chronic | |
|__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 4 3 |
Inflammation, Chronic | 2 4 2 2 |
Metaplasia, Squamous | 2 3 |
Endometrium, Hyperplasia, Cystic | 2 4 2 4 3 4 4 4 3 4 2 2 3 4 4 4 3 4 3 3 4 4 4|
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + I + + + + + + +|
Hyperplasia | 2 3 3 4 3 |
|__________________________________________________________________________|
Lymph Node | + + + |
Iliac, Ectasia | 3 |
Iliac, Hematopoietic Cell | |
Proliferation | |
Iliac, Hyperplasia, Lymphoid | 3 4 2 |
Inguinal, Hyperplasia, Lymphoid | |
Lumbar, Hyperplasia, Lymphoid | 3 3 |
Pancreatic, Hyperplasia, Lymphoid | 2 |
Renal, Hematopoietic Cell | |
Proliferation | |
Renal, Hyperplasia, Lymphoid | |
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + M + + + + + I + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 26
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 8| 4| 4| 4| 4| 5| 2| 2| 2| 2| 2|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
1250 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Atrophy | 2 3 |
Hyperplasia, Lymphoid | 2 3 1 3 2 |
Hyperplasia, Plasma Cell | 3 1|
Pigmentation | 2 2 3 2 2 2 2 2 2 2 2 2|
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + A + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 3 2 2 |
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 2 |
Atrophy | |
Hematopoietic Cell Proliferation | 2 2 2 3 3 4 1 2 |
Pigmentation | 2 1 1 1 1 1 |
Lymphoid Follicle, Atrophy | 3 3 |
Lymphoid Follicle, Hyperplasia | 1 3 3 2 1 3 2 3 |
|__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + M +|
Atrophy | 3 4 3 3 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 3 |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperostosis | 2 3 2 2 2|
|__________________________________________________________________________|
Skeletal Muscle | + |
Necrosis | 4 |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hemorrhage | 2 |
__________________________________________|__________________________________________________________________________|
Page 27
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 4| 0| 4| 4| 4| 4| 4| 4| 4| 8| 4| 4| 4| 4| 5| 2| 2| 2| 2| 2|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3|
1250 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | X |
Hemorrhage | |
Hyperplasia, Lymphoid | |
Infiltration Cellular, Histiocyte | 4 |
Alveolar Epithelium, Hyperplasia | |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Ear | + + |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cataract | 2 |
Inflammation, Chronic | |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Focal | |
|__________________________________________________________________________|
Lacrimal Gland | + |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | |
Hyperplasia, Lymphoid | 2 2 2 |
Infarct | 1 |
Nephropathy | 1 1 1 1 1 1 1 1 1 1 1|
Renal Tubule, Dilatation | 2 |
Renal Tubule, Necrosis | |
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 |
__________________________________________|__________________________________________________________________________
Page 28
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 2| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 2| 3| 9| 3| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 8| 9| 2| 3| 2| 2| 2| 2| 2| 2| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
1250 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 2| 6| 7| 8| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Edema | 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + +| 47 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Basophilic Focus | X | 1 |
Clear Cell Focus | X | 1 |
Eosinophilic Focus | | 1 |
Hematopoietic Cell Proliferation | 1 1 3 | 5 1.8|
Hepatodiaphragmatic Nodule | | 1 |
Infiltration Cellular, Mixed Cell | 1 3 1 1 1 1 1| 12 1.3|
Mixed Cell Focus | X | 3 |
Necrosis, Focal | 3 | 3 2.7|
Tension Lipidosis | X | 2 |
Hepatocyte, Vacuolization Cytoplasmic| 3 | 1 3.0|
|__________________________________________________________________________|____________|
Mesentery | | 6 |
Fat, Angiectasis | | 1 3.0|
Fat, Necrosis | | 6 1.8|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 2| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 2| 3| 9| 3| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 8| 9| 2| 3| 2| 2| 2| 2| 2| 2| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
1250 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 2| 6| 7| 8| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Cyst | 3 | 1 3.0|
Acinus, Cytoplasmic Alteration | 3 | 2 3.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | 2 2 | 3 2.0|
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Inflammation, Chronic Active | | 2 2.5|
Epithelium, Hyperplasia | 2 | 4 2.5|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Blood Vessel | + | 2 |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Myocardium, Necrosis | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Accessory Adrenal Cortical Nodule | 3 3 | 4 3.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia | | 1 2.0|
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + M + + M + + + + + + + + +| 45 |
Cyst | | 1 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + +| 47 |
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 2| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 2| 3| 9| 3| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 8| 9| 2| 3| 2| 2| 2| 2| 2| 2| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
1250 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 2| 6| 7| 8| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
Pars Distalis, Angiectasis | 2| 1 2.0|
Pars Distalis, Cyst | | 1 2.0|
Pars Distalis, Hyperplasia, Focal | | 1 1.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + +| 48 |
Degeneration, Cystic | 2 2 3 1 1 1 2 | 12 1.7|
Follicle, Cyst | | 1 3.0|
Follicular Cell, Hyperplasia | | 1 1.0|
Follicular Cell, Hypertrophy | 1 1 2 1 1 1 1 2 1 1 1 1 2 1| 23 1.1|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + + M + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Angiectasis | 3 3 3 4 2 | 8 2.8|
Cyst | 3 3 3 3 3 3 3 3 | 15 3.0|
Inflammation, Chronic | 3 3 | 2 3.0|
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Angiectasis | | 2 3.5|
Inflammation, Chronic | 2 3 3 3 3 | 9 2.7|
Metaplasia, Squamous | 3 4 3 | 5 3.0|
Endometrium, Hyperplasia, Cystic | 3 3 4 3 4 3 2 4 3 4 3 3 4 4 4 4 4 3 2 2 2 4 3| 46 3.3|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Hyperplasia | 3 2 2 4 4 4 4 4 | 13 3.2|
|__________________________________________________________________________|____________|
Lymph Node | + + + + + | 8 |
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 2| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 2| 3| 9| 3| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 8| 9| 2| 3| 2| 2| 2| 2| 2| 2| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
1250 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 2| 6| 7| 8| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Iliac, Ectasia | | 1 3.0|
Iliac, Hematopoietic Cell | | |
Proliferation | 2 | 1 2.0|
Iliac, Hyperplasia, Lymphoid | 3 | 4 3.0|
Inguinal, Hyperplasia, Lymphoid | 2 | 1 2.0|
Lumbar, Hyperplasia, Lymphoid | | 2 3.0|
Pancreatic, Hyperplasia, Lymphoid | | 1 2.0|
Renal, Hematopoietic Cell | | |
Proliferation | 2 | 1 2.0|
Renal, Hyperplasia, Lymphoid | 3 2 | 2 2.5|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + I + + + + + +| 46 |
Atrophy | | 2 2.5|
Hyperplasia, Lymphoid | 2 3 2 1 1| 10 2.0|
Hyperplasia, Plasma Cell | 1 2 | 4 1.8|
Pigmentation | 3 3 2 2 2 2 2 3 2| 21 2.2|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + +| 47 |
Hyperplasia, Lymphoid | 3 | 4 2.5|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Angiectasis | | 1 2.0|
Atrophy | 2 | 1 2.0|
Hematopoietic Cell Proliferation | 3 2 2 4 1 2 3 4 3 2 4 2 2 3 4 1 | 24 2.5|
Pigmentation | 1 3 2 2 2 | 11 1.5|
Lymphoid Follicle, Atrophy | 2 1 4 | 5 2.6|
Lymphoid Follicle, Hyperplasia | 3 2 1 2 4 | 13 2.3|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Atrophy | 3 3 3 | 7 3.1|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________|____________|
* : 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: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 2| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 2| 3| 9| 3| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 8| 9| 2| 3| 2| 2| 2| 2| 2| 2| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
1250 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 2| 6| 7| 8| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
INTEGUMENTARY SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Edema | | 1 3.0|
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperostosis | 2 2 2 3 2 | 10 2.2|
|__________________________________________________________________________|____________|
Skeletal Muscle | | 1 |
Necrosis | | 1 4.0|
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hemorrhage | | 1 2.0|
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Foreign Body | X | 2 |
Hemorrhage | 2| 1 2.0|
Hyperplasia, Lymphoid | 2 2 2 | 3 2.0|
Infiltration Cellular, Histiocyte | 2 2 | 3 2.7|
Alveolar Epithelium, Hyperplasia | 3 1 2 | 3 2.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Ear | | 2 |
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 2| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 5| 2| 3| 9| 3| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 2| 8| 9| 2| 3| 2| 2| 2| 2| 2| 2| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
1250 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 2| 6| 7| 8| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
Eye | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Cataract | 3 | 2 2.5|
Inflammation, Chronic | 3 2 | 2 2.5|
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Focal | 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
Lacrimal Gland | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Cyst | 3 | 1 3.0|
Hyperplasia, Lymphoid | 2 2 2 2 3 | 8 2.1|
Infarct | 2 | 2 1.5|
Nephropathy | 1 2 1 1 1 2 2 1 1 1| 21 1.1|
Renal Tubule, Dilatation | | 1 2.0|
Renal Tubule, Necrosis | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | 2 2 2 2 2 | 6 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 34
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 3| 3| 3| 7| 3| 4| 4| 4| 4| 7| 9| 9| 9| 9| 9| 3| 3| 3| 3| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|
2500 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + M + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + + + + M + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | |
Peyer's Patch, Infiltration Cellular,| |
Polymorphonuclear | |
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Peyer's Patch, Infiltration Cellular,| |
Polymorphonuclear | |
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Basophilic Focus | X |
Clear Cell Focus | X X |
Hematopoietic Cell Proliferation | |
Hepatodiaphragmatic Nodule | X X |
Hyperplasia, Lymphoid | 2 |
Infiltration Cellular, Mixed Cell | 1 1 1 1 1 1 1 1 2|
Necrosis, Focal | 4 |
|__________________________________________________________________________|
Mesentery | + + |
Fat, Angiectasis | |
Fat, Necrosis | 3 3 |
|__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3|
__________________________________________|__________________________________________________________________________|
Page 35
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 3| 3| 3| 7| 3| 4| 4| 4| 4| 7| 9| 9| 9| 9| 9| 3| 3| 3| 3| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|
2500 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
Acinus, Cytoplasmic Alteration | 3 |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | |
Hyperplasia, Lymphoid | 2 |
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Diverticulum | X X X |
Epithelium, Hyperplasia | |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Blood Vessel | |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cardiomyopathy | 1 |
Thrombosis | |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3 3 3 3 |
Hyperplasia, Focal | 1 |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | |
|__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + M + + + + + + + + + + + + + +|
Cyst | 3 |
|__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Pars Distalis, Angiectasis | |
Pars Distalis, Hyperplasia, Focal | |
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 36
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 3| 3| 3| 7| 3| 4| 4| 4| 4| 7| 9| 9| 9| 9| 9| 3| 3| 3| 3| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|
2500 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 1 1 2 1 |
Follicle, Cyst | 3 |
Follicular Cell, Hyperplasia | 2 1 1|
Follicular Cell, Hypertrophy | 1 1 1 2 2 2 2 2 1 2 1 2 1 1 1 1 2 2 1 2 1 2 1 1|
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | 4 |
|__________________________________________________________________________|
Ovary | + + + + + + + + + M + + + + + + + + + + + + + + +|
Angiectasis | 2 2 3 |
Cyst | 3 3 3 3 3 3 |
Thrombosis | 4|
Corpus Luteum, Hyperplasia | 3 |
|__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | |
Inflammation, Chronic | 3 4 3 3 |
Metaplasia, Squamous | 3 |
Endometrium, Fibrosis | 3 |
Endometrium, Hyperplasia, Cystic | 4 4 2 4 4 3 4 2 3 3 4 4 2 3 4 4 4 3 4 4 4 4|
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 2 2 4 4 3 2|
|__________________________________________________________________________|
Lymph Node | + + + + + |
Bronchial, Hyperplasia, Lymphoid | |
Iliac, Hyperplasia, Lymphoid | 4 4 |
Lumbar, Hyperplasia, Lymphoid | 3 3 |
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + M + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 37
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 3| 3| 3| 7| 3| 4| 4| 4| 4| 7| 9| 9| 9| 9| 9| 3| 3| 3| 3| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|
2500 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Hemorrhage | 2|
Hyperplasia, Lymphoid | 2 1 1 1 1 3 2|
Pigmentation | 2 2 2 2 2 2 3 2 2 2 2|
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Ectasia | |
Hematopoietic Cell Proliferation | 2 |
Hemorrhage | 2 |
Hyperplasia, Lymphoid | 2 4 2 2 |
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hematopoietic Cell Proliferation | 2 1 2 2 2 3 2 1 2 3 3 2 3 2 2 2 3 3 2 3|
Pigmentation | 2 1 1 1 1 2 1 2 1 3 2 2 1 1 2 1 3 2 |
Lymphoid Follicle, Atrophy | 2 |
Lymphoid Follicle, Hyperplasia | 1 2 2 1 2 2 3 |
|__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | |
Hyperplasia, Lymphoid | 2 3 3 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 1 |
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperostosis | 2 2 2 2 2 |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Vacuolization Cytoplasmic | |
|__________________________________________________________________________|
Peripheral Nerve | + |
__________________________________________|__________________________________________________________________________|
Page 38
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 3| 3| 3| 7| 3| 4| 4| 4| 4| 7| 9| 9| 9| 9| 9| 3| 3| 3| 3| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|
2500 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
NERVOUS SYSTEM - cont | |
|__________________________________________________________________________|
Spinal Cord | + |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 |
Hemorrhage | 1 2 |
Hyperplasia, Lymphoid | 3 2 2 |
Thrombosis | |
Alveolar Epithelium, Hyperplasia | 3 |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 4|
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Focal | 2 |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | |
Hyperplasia, Lymphoid | 2 2|
Infarct | 3 |
Inflammation, Chronic | |
Metaplasia, Osseous | |
Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 |
Papilla, Necrosis | |
Renal Tubule, Accumulation, Hyaline | |
Droplet | |
Renal Tubule, Necrosis | |
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 39
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3|
| 4| 4| 4| 4| 4| 3| 3| 3| 7| 3| 4| 4| 4| 4| 7| 9| 9| 9| 9| 9| 3| 3| 3| 3| 3|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|
2500 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|
| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|
__________________________________________|__________________________________________________________________________|
URINARY SYSTEM - cont | |
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 2 2 2 2 2 |
__________________________________________|__________________________________________________________________________
Page 40
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 0| 6| 3| 3| 3| 2| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 9| 9| 9| 4| 4| 2| 2| 2| 0| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
2500 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L |
| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + M + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + M + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | 3 | 1 3.0|
Peyer's Patch, Infiltration Cellular,| | |
Polymorphonuclear | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + M + + + + + + A + + + + + + + + + +| 48 |
Peyer's Patch, Infiltration Cellular,| | |
Polymorphonuclear | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Basophilic Focus | | 1 |
Clear Cell Focus | X X | 4 |
Hematopoietic Cell Proliferation | 4 3 2 | 3 3.0|
Hepatodiaphragmatic Nodule | | 2 |
Hyperplasia, Lymphoid | 2 2 2 2 3 | 6 2.2|
Infiltration Cellular, Mixed Cell | 1 | 10 1.1|
Necrosis, Focal | 1 4 4 | 4 3.3|
|__________________________________________________________________________|____________|
Mesentery | + + + +| 6 |
Fat, Angiectasis | 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 41
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 0| 6| 3| 3| 3| 2| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 9| 9| 9| 4| 4| 2| 2| 2| 0| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
2500 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L |
| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Fat, Necrosis | 3 2 3 3| 6 2.8|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | | 2 3.0|
Acinus, Cytoplasmic Alteration | | 1 3.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + M + + + + + + + + + +| 49 |
Atrophy | 1 | 1 1.0|
Hyperplasia, Lymphoid | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Diverticulum | X X | 5 |
Epithelium, Hyperplasia | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Blood Vessel | + | 1 |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cardiomyopathy | 1 | 2 1.0|
Thrombosis | 3 | 1 3.0|
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Accessory Adrenal Cortical Nodule | 3 | 6 3.0|
Hyperplasia, Focal | 2 | 2 1.5|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
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 42
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 0| 6| 3| 3| 3| 2| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 9| 9| 9| 4| 4| 2| 2| 2| 0| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
2500 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L |
| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| 48 |
Cyst | | 1 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 |
Pars Distalis, Angiectasis | 2 | 1 2.0|
Pars Distalis, Hyperplasia, Focal | 3 1 | 2 2.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Degeneration, Cystic | 1 1 1 2 1 | 9 1.2|
Follicle, Cyst | | 1 3.0|
Follicular Cell, Hyperplasia | 1 1 2 1 3 2 | 9 1.6|
Follicular Cell, Hypertrophy | 2 3 1 2 3 2 2 2 1 3 2 1 1 2 3 2 2 2 1 2 1 1| 46 1.7|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | | 1 4.0|
|__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + M + + +| 48 |
Angiectasis | 3 2 3 3 3 | 8 2.6|
Cyst | 3 3 3 3 | 10 3.0|
Thrombosis | | 1 4.0|
Corpus Luteum, Hyperplasia | | 1 3.0|
|__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | 2 2 3 2 3 1 | 6 2.2|
Inflammation, Chronic | | 4 3.3|
Metaplasia, Squamous | | 1 3.0|
Endometrium, Fibrosis | | 1 3.0|
Endometrium, Hyperplasia, Cystic | 3 4 3 3 4 4 4 3 4 4 2 3 4 4 3 3 2 4 3 3 2 2 3| 45 3.4|
_____________________________________________________________________________________________________________________|____________|
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 43
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 0| 6| 3| 3| 3| 2| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 9| 9| 9| 4| 4| 2| 2| 2| 0| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
2500 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L |
| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 2 2 2 1 4 3 2 2 2| 16 2.4|
|__________________________________________________________________________|____________|
Lymph Node | + + + + | 9 |
Bronchial, Hyperplasia, Lymphoid | 3 2 | 2 2.5|
Iliac, Hyperplasia, Lymphoid | | 2 4.0|
Lumbar, Hyperplasia, Lymphoid | | 2 3.0|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + M + + + + + + + + + +| 48 |
Hemorrhage | | 1 2.0|
Hyperplasia, Lymphoid | 2 2 2 1 2 1 3 1 | 15 1.7|
Pigmentation | 2 2 2 2 2 3 3 2 2 2 | 21 2.1|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + A + + + + + + + + + M| 48 |
Ectasia | 2 | 1 2.0|
Hematopoietic Cell Proliferation | 2 3 | 3 2.3|
Hemorrhage | | 1 2.0|
Hyperplasia, Lymphoid | 3 3 | 6 2.7|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hematopoietic Cell Proliferation | 3 2 2 3 2 3 2 3 2 1 4 4 3 1 4 3 2 3 3| 39 2.4|
Pigmentation | 2 1 1 3 2 2 1 2 1 2 1 2 2 2 2 2| 34 1.7|
Lymphoid Follicle, Atrophy | 4 4 3 | 4 3.3|
Lymphoid Follicle, Hyperplasia | 3 2 2 3 2 3 2 2 3| 16 2.2|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | 3 3 3 | 3 3.0|
Hyperplasia, Lymphoid | 2 | 4 2.5|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 1 | 2 1.0|
_____________________________________________________________________________________________________________________|____________|
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 44
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 0| 6| 3| 3| 3| 2| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 9| 9| 9| 4| 4| 2| 2| 2| 0| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
2500 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L |
| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| |
_____________________________________________________________________________________________________________________|____________|
INTEGUMENTARY SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperostosis | 2 2 2 3 2 2 | 11 2.1|
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Vacuolization Cytoplasmic | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Peripheral Nerve | | 1 |
|__________________________________________________________________________|____________|
Spinal Cord | | 1 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | | 1 2.0|
Hemorrhage | 2 1 | 4 1.5|
Hyperplasia, Lymphoid | 2 2 2 3 | 7 2.3|
Thrombosis | 1 | 1 1.0|
Alveolar Epithelium, Hyperplasia | 1 | 2 2.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | | 1 4.0|
_____________________________________________________________________________________________________________________|____________|
* : 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 45
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| 2| 2| 0| 6| 3| 3| 3| 2| 3| 3| 3| 3| 3| |
| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 9| 9| 9| 4| 4| 2| 2| 2| 0| 3| 3| 3| 3| 3| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
2500 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L |
| 6| 7| 8| 9| 0| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia, Focal | | 1 2.0|
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 | 1 3.0|
Hyperplasia, Lymphoid | 2 3 | 4 2.3|
Infarct | 3 | 2 3.0|
Inflammation, Chronic | 2 | 1 2.0|
Metaplasia, Osseous | 2 3 | 2 2.5|
Nephropathy | 1 1 1 1 1 1 1 | 19 1.0|
Papilla, Necrosis | 3 | 1 3.0|
Renal Tubule, Accumulation, Hyaline | | |
Droplet | 4 | 1 4.0|
Renal Tubule, Necrosis | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia, Lymphoid | 3 2 3 3 2 | 11 2.3|
__________________________________________________________________________________________________________________________________
* : 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 46
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 6| 2| 2| 3| 3| 2| 5| 2| 2| 3| 3| 3| 1| 3| 3| 2| 9| 2| 3| 3| 2| 3| 2| 2|
| 1| 8| 9| 9| 1| 0| 9| 7| 9| 9| 0| 1| 0| 1| 0| 0| 9| 4| 9| 0| 2| 9| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
0PPM | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|
| 1| 3| 4| 5| 6| 7| 8| 9| 2| 4| 5| 6| 7| 8| 9| 0| 2| 3| 4| 5| 7| 8| 9| 0| 1|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + + + + + + + + + M + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + + + + + A + + + + + + + + + + + + + + + + M|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 2 |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 2 4 |
Basophilic Focus | X X |
Clear Cell Focus | X X X|
Eosinophilic Focus | X X X|
Hematopoietic Cell Proliferation | 3 |
Infarct | X |
Infiltration Cellular, Mixed Cell | 2 |
Mixed Cell Focus | X X X |
Necrosis, Focal | 3 |
|__________________________________________________________________________|
Mesentery | + + + + + |
Fat, Necrosis | 2 2 3 2 |
|__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 2 |
Cyst | |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 |
__________________________________________|__________________________________________________________________________|
Page 47
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 6| 2| 2| 3| 3| 2| 5| 2| 2| 3| 3| 3| 1| 3| 3| 2| 9| 2| 3| 3| 2| 3| 2| 2|
| 1| 8| 9| 9| 1| 0| 9| 7| 9| 9| 0| 1| 0| 1| 0| 0| 9| 4| 9| 0| 2| 9| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
0PPM | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|
| 1| 3| 4| 5| 6| 7| 8| 9| 2| 4| 5| 6| 7| 8| 9| 0| 2| 3| 4| 5| 7| 8| 9| 0| 1|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic Active | 2 |
Epithelium, Hyperplasia | 3 |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Glands, Dysplasia | |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cardiomyopathy | 1 |
Perivascular, Inflammation, Chronic | 2 |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 |
Hyperplasia, Focal | 2 |
Hypertrophy, Focal | 1 1 2 1 2 2 1|
Capsule, Hyperplasia | 1 |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 |
|__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Pars Distalis, Cyst | 3 |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 2 2 2 2 |
Follicular Cell, Hypertrophy | 1 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
__________________________________________|__________________________________________________________________________|
Page 48
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 6| 2| 2| 3| 3| 2| 5| 2| 2| 3| 3| 3| 1| 3| 3| 2| 9| 2| 3| 3| 2| 3| 2| 2|
| 1| 8| 9| 9| 1| 0| 9| 7| 9| 9| 0| 1| 0| 1| 0| 0| 9| 4| 9| 0| 2| 9| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
0PPM | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|
| 1| 3| 4| 5| 6| 7| 8| 9| 2| 4| 5| 6| 7| 8| 9| 0| 2| 3| 4| 5| 7| 8| 9| 0| 1|
__________________________________________|__________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrosis | |
Inflammation, Chronic Active | 1 |
|__________________________________________________________________________|
Penis | + |
|__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 3 3 3 3 3 3|
Inflammation, Chronic | 2 3 2 2 3 3 3 2 2 |
|__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 2 |
|__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Germinal Epithelium, Atrophy | 2 |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 3 3 |
|__________________________________________________________________________|
Lymph Node | |
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + + + + + +|
Atrophy | 3 |
Hyperplasia, Lymphoid | 2 2 2 2 |
Pigmentation | 2 2 2 3 2 2 |
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 2 |
Hemorrhage | 1 3 1 |
Hyperplasia, Lymphoid | 4 3 2 2 2 |
Necrosis | |
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 49
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 6| 2| 2| 3| 3| 2| 5| 2| 2| 3| 3| 3| 1| 3| 3| 2| 9| 2| 3| 3| 2| 3| 2| 2|
| 1| 8| 9| 9| 1| 0| 9| 7| 9| 9| 0| 1| 0| 1| 0| 0| 9| 4| 9| 0| 2| 9| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
0PPM | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|
| 1| 3| 4| 5| 6| 7| 8| 9| 2| 4| 5| 6| 7| 8| 9| 0| 2| 3| 4| 5| 7| 8| 9| 0| 1|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Hematopoietic Cell Proliferation | 4 3 3 3 1 |
Pigmentation | |
Lymphoid Follicle, Hyperplasia | 2 2 2 |
|__________________________________________________________________________|
Thymus | + + + + + + + M + + + + + + + + + I + + + + + + +|
Atrophy | 3 2 4 2 |
Cyst | |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skeletal Muscle | |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Peripheral Nerve | |
|__________________________________________________________________________|
Spinal Cord | |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | |
Hemorrhage | 2 3 |
Hyperplasia, Lymphoid | |
Infiltration Cellular, Histiocyte | 2 3 3 |
Thrombosis | 1 |
Alveolar Epithelium, Hyperplasia | 3 4 3 3 |
Alveolar Epithelium, Hyperplasia, | |
__________________________________________|__________________________________________________________________________|
Page 50
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 6| 2| 2| 3| 3| 2| 5| 2| 2| 3| 3| 3| 1| 3| 3| 2| 9| 2| 3| 3| 2| 3| 2| 2|
| 1| 8| 9| 9| 1| 0| 9| 7| 9| 9| 0| 1| 0| 1| 0| 0| 9| 4| 9| 0| 2| 9| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
0PPM | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3|
| 1| 3| 4| 5| 6| 7| 8| 9| 2| 4| 5| 6| 7| 8| 9| 0| 2| 3| 4| 5| 7| 8| 9| 0| 1|
__________________________________________|__________________________________________________________________________|
RESPIRATORY SYSTEM - cont | |
Multifocal | 4 |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | |
Inflammation, Chronic | |
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Ear | + |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | |
Cornea, Hyperplasia | |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Focal | 2 |
Inflammation, Chronic | 2 1 2 |
|__________________________________________________________________________|
Lacrimal Gland | |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 |
Hydronephrosis | 2 |
Hyperplasia, Lymphoid | 2 |
Infarct | 1 2 |
Metaplasia, Osseous | 2 1 1|
Nephropathy | 2 1 1 1 1 1 2 2 3 1 1 1 1 1 1 1 1 1 1 |
Renal Tubule, Hyperplasia | |
Renal Tubule, Pigmentation | 2 |
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________
Page 51
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 0| 6| |
DAY ON TEST | 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 5| 3| 3| 3| 3| 3| 2| 6| |
| 9| 9| 1| 0| 0| 0| 1| 1| 0| 1| 0| 0| 0| 1| 9| 0| 0| 0| 1| 1| 1| 1| 0| 4| 8| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A |
0PPM | 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| L |
| 2| 3| 6| 7| 8| 9| 0| 1| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + M + + + + + + + + + + + + A + + + + + + +| 46 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | M + + + M + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 |
Edema | | 2 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | | 2 3.0|
Basophilic Focus | | 2 |
Clear Cell Focus | X X X | 6 |
Eosinophilic Focus | | 3 |
Hematopoietic Cell Proliferation | | 1 3.0|
Infarct | | 1 |
Infiltration Cellular, Mixed Cell | 1 1 1 2 | 5 1.4|
Mixed Cell Focus | X | 4 |
Necrosis, Focal | 1 | 2 2.0|
|__________________________________________________________________________|____________|
Mesentery | + | 6 |
Fat, Necrosis | | 4 2.3|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | | 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 52
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 0| 6| |
DAY ON TEST | 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 5| 3| 3| 3| 3| 3| 2| 6| |
| 9| 9| 1| 0| 0| 0| 1| 1| 0| 1| 0| 0| 0| 1| 9| 0| 0| 0| 1| 1| 1| 1| 0| 4| 8| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A |
0PPM | 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| L |
| 2| 3| 6| 7| 8| 9| 0| 1| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Cyst | 3 3 | 2 3.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia, Lymphoid | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic Active | | 1 2.0|
Epithelium, Hyperplasia | 1 | 2 2.0|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Glands, Dysplasia | 3 | 1 3.0|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cardiomyopathy | | 1 1.0|
Perivascular, Inflammation, Chronic | 1 2| 3 1.7|
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Accessory Adrenal Cortical Nodule | 3 | 2 3.0|
Hyperplasia, Focal | 1 | 2 1.5|
Hypertrophy, Focal | 1 2 1 1 1 1 | 13 1.3|
Capsule, Hyperplasia | | 1 1.0|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Cyst | 3 3 | 3 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + I +| 49 |
_____________________________________________________________________________________________________________________|____________|
* : 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 53
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 0| 6| |
DAY ON TEST | 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 5| 3| 3| 3| 3| 3| 2| 6| |
| 9| 9| 1| 0| 0| 0| 1| 1| 0| 1| 0| 0| 0| 1| 9| 0| 0| 0| 1| 1| 1| 1| 0| 4| 8| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A |
0PPM | 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| L |
| 2| 3| 6| 7| 8| 9| 0| 1| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
Pars Distalis, Cyst | 3 | 2 3.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Degeneration, Cystic | 2 2 3 1 3 1 | 10 2.0|
Follicular Cell, Hypertrophy | | 1 1.0|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrosis | 2 | 1 2.0|
Inflammation, Chronic Active | | 1 1.0|
|__________________________________________________________________________|____________|
Penis | | 1 |
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 3 | 18 3.0|
Inflammation, Chronic | 2 3 2 2 2 | 14 2.4|
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + + + + I + + + + + +| 49 |
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | | 1 2.0|
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Germinal Epithelium, Atrophy | | 1 2.0|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 3 3 | 4 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 54
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 0| 6| |
DAY ON TEST | 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 5| 3| 3| 3| 3| 3| 2| 6| |
| 9| 9| 1| 0| 0| 0| 1| 1| 0| 1| 0| 0| 0| 1| 9| 0| 0| 0| 1| 1| 1| 1| 0| 4| 8| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A |
0PPM | 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| L |
| 2| 3| 6| 7| 8| 9| 0| 1| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lymph Node | + + | 2 |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + M + + + + + + + + +| 48 |
Atrophy | | 1 3.0|
Hyperplasia, Lymphoid | 2 3 2 2 2 2 | 10 2.1|
Pigmentation | 2 2 | 8 2.1|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + M + + + + + + + M + + + + + + + + + + + M + +| 47 |
Atrophy | | 1 2.0|
Hemorrhage | 2 | 4 1.8|
Hyperplasia, Lymphoid | 2 2 | 7 2.4|
Necrosis | 4 | 1 4.0|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hematopoietic Cell Proliferation | 2 1 3 1 1 | 10 2.2|
Pigmentation | 2 | 1 2.0|
Lymphoid Follicle, Hyperplasia | 1 3 | 5 2.0|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + M + + + + +| 47 |
Atrophy | 2 2 3 | 7 2.6|
Cyst | 3 | 1 3.0|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Skeletal Muscle | +| 1 |
_____________________________________________________________________________________________________________________| |
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 55
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 0| 6| |
DAY ON TEST | 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 5| 3| 3| 3| 3| 3| 2| 6| |
| 9| 9| 1| 0| 0| 0| 1| 1| 0| 1| 0| 0| 0| 1| 9| 0| 0| 0| 1| 1| 1| 1| 0| 4| 8| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A |
0PPM | 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| L |
| 2| 3| 6| 7| 8| 9| 0| 1| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Peripheral Nerve | +| 1 |
|__________________________________________________________________________|____________|
Spinal Cord | +| 1 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | 2 | 1 2.0|
Hemorrhage | 1 2 | 4 2.0|
Hyperplasia, Lymphoid | 2 | 1 2.0|
Infiltration Cellular, Histiocyte | 3 | 4 2.8|
Thrombosis | | 1 1.0|
Alveolar Epithelium, Hyperplasia | 3 | 5 3.2|
Alveolar Epithelium, Hyperplasia, | | |
Multifocal | | 1 4.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Foreign Body | X | 1 |
Inflammation, Chronic | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Ear | | 1 |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | 3 | 1 3.0|
Cornea, Hyperplasia | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________|____________|
* : 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 56
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 0| 6| |
DAY ON TEST | 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 5| 3| 3| 3| 3| 3| 2| 6| |
| 9| 9| 1| 0| 0| 0| 1| 1| 0| 1| 0| 0| 0| 1| 9| 0| 0| 0| 1| 1| 1| 1| 0| 4| 8| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A |
0PPM | 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| L |
| 2| 3| 6| 7| 8| 9| 0| 1| 2| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
Hyperplasia, Focal | | 1 2.0|
Inflammation, Chronic | | 3 1.7|
|__________________________________________________________________________|____________|
Lacrimal Gland | + | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 3 3 | 13 3.0|
Hydronephrosis | | 1 2.0|
Hyperplasia, Lymphoid | | 1 2.0|
Infarct | 1 1 2 4 | 6 1.8|
Metaplasia, Osseous | 3 2| 5 1.8|
Nephropathy | 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1| 34 1.2|
Renal Tubule, Hyperplasia | 1 | 1 1.0|
Renal Tubule, Pigmentation | | 1 2.0|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : 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 57
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 2| 2| 3| 2| 3| 3| 3| 3| 3| 2| 4| 2| 2| 3| 3| 3| 3|
| 1| 1| 9| 1| 0| 0| 0| 0| 9| 9| 1| 9| 0| 2| 1| 0| 0| 9| 0| 9| 6| 0| 0| 0| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
625 PPM | 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 8| 9| 0| 1| 2| 3| 4| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + + + + + + M + + + + + + + + + + + A + + + +|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + A + + + +|
Edema | 2 |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + A + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + A + + + + + +|
Hyperplasia, Lymphoid | |
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | |
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Basophilic Focus | X X X |
Clear Cell Focus | X X X X |
Cyst | |
Eosinophilic Focus | X |
Infiltration Cellular, Mixed Cell | 1 1 2 1 1 |
Mixed Cell Focus | X |
Necrosis, Focal | 2 1 1|
Tension Lipidosis | X |
Hepatocyte, Vacuolization Cytoplasmic| |
Kupffer Cell, Pigmentation | |
|__________________________________________________________________________|
Mesentery | + |
Angiectasis | 2 |
Inflammation, Chronic | 1 |
Fat, Necrosis | |
|__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 58
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 2| 2| 3| 2| 3| 3| 3| 3| 3| 2| 4| 2| 2| 3| 3| 3| 3|
| 1| 1| 9| 1| 0| 0| 0| 0| 9| 9| 1| 9| 0| 2| 1| 0| 0| 9| 0| 9| 6| 0| 0| 0| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
625 PPM | 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 8| 9| 0| 1| 2| 3| 4| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 2 |
|__________________________________________________________________________|
Stomach, Forestomach | + + + + M + + + + + + + + + + + + + + + + + + + +|
Diverticulum | X X |
Inflammation, Chronic Active | |
Ulcer | |
Epithelium, Hyperplasia | 1 |
|__________________________________________________________________________|
Stomach, Glandular | + + + + M + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3 3|
Hyperplasia, Focal | 2 1 2|
Hypertrophy, Focal | 2 2 2 1 2 2 1 1 2 2 1 |
Capsule, Hyperplasia | |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | |
|__________________________________________________________________________|
Parathyroid Gland | + + + M + + + + + + + + + M + + + + + + + + + + +|
Cyst | 3|
|__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + M + + M + + +|
Pars Distalis, Cyst | |
Pars Distalis, Hyperplasia, Focal | 4 |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 1 |
__________________________________________|__________________________________________________________________________|
Page 59
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 2| 2| 3| 2| 3| 3| 3| 3| 3| 2| 4| 2| 2| 3| 3| 3| 3|
| 1| 1| 9| 1| 0| 0| 0| 0| 9| 9| 1| 9| 0| 2| 1| 0| 0| 9| 0| 9| 6| 0| 0| 0| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
625 PPM | 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 8| 9| 0| 1| 2| 3| 4| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|
__________________________________________|__________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
Follicular Cell, Hyperplasia | 1 2 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic Active | 1 1 |
|__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 3 3 3 3 3 3 |
Inflammation, Chronic | 2 2 2 2 2 4 2 |
|__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Germinal Epithelium, Atrophy | 3 |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 3 2 3 2 |
|__________________________________________________________________________|
Lymph Node | + |
Bronchial, Hyperplasia, Lymphoid | |
|__________________________________________________________________________|
Lymph Node, Mandibular | + M + + + + + + + + + + + M + + + + M + + + + + +|
Hyperplasia, Lymphoid | 2 2 2 2 2 2 |
Pigmentation | 2 2 2|
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + M + + M + + +|
Atrophy | |
Hemorrhage | 2 |
Hyperplasia, Lymphoid | 2 2 2 2 2 |
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 60
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 2| 2| 3| 2| 3| 3| 3| 3| 3| 2| 4| 2| 2| 3| 3| 3| 3|
| 1| 1| 9| 1| 0| 0| 0| 0| 9| 9| 1| 9| 0| 2| 1| 0| 0| 9| 0| 9| 6| 0| 0| 0| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
625 PPM | 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 8| 9| 0| 1| 2| 3| 4| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 3 |
Hematopoietic Cell Proliferation | 1 1 4 2 2 4 2 4 |
Pigmentation | 1 1 1 2 |
Lymphoid Follicle, Atrophy | 2 4 4 |
Lymphoid Follicle, Hyperplasia | 1 |
|__________________________________________________________________________|
Thymus | + + + + + I + + + + I + + + + + + + M + + + + + +|
Atrophy | 3 |
Hyperplasia, Lymphoid | 3 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | 4 |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skeletal Muscle | + |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Compression | |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 2 |
Hemorrhage | 2 1 2 2 1 |
Hyperplasia, Lymphoid | 2 2 |
Infiltration Cellular, Histiocyte | 2 4 2 |
Alveolar Epithelium, Hyperplasia | 1 |
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 61
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 2| 2| 3| 2| 3| 3| 3| 3| 3| 2| 4| 2| 2| 3| 3| 3| 3|
| 1| 1| 9| 1| 0| 0| 0| 0| 9| 9| 1| 9| 0| 2| 1| 0| 0| 9| 0| 9| 6| 0| 0| 0| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
625 PPM | 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8|
| 1| 2| 3| 4| 5| 8| 9| 0| 1| 2| 3| 4| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|
__________________________________________|__________________________________________________________________________|
RESPIRATORY SYSTEM - cont | |
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | X |
Inflammation, Chronic | 4 |
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | 2 |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | 3 |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3|
Hyperplasia, Lymphoid | 2 2 2 |
Infarct | 2 1 2 2 |
Metaplasia, Osseous | 2 |
Nephropathy | 1 2 1 2 2 3 1 1 1 2 1 2 2 2 1 2 2 2 1 1|
Renal Tubule, Hyperplasia | 1 |
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________
Page 62
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 2| 3| 3| 9| 3| 3| 2| 2| 3| 5| 2| 3| 3| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| |
| 0| 0| 9| 0| 1| 6| 0| 1| 9| 9| 0| 7| 9| 1| 1| 9| 0| 9| 9| 1| 1| 0| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
625 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 1| 2| 3| 4| 5| 6| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Edema | | 1 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia, Lymphoid | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Basophilic Focus | | 3 |
Clear Cell Focus | X X X X X | 9 |
Cyst | 3 | 1 3.0|
Eosinophilic Focus | X X | 3 |
Infiltration Cellular, Mixed Cell | 1 1 | 7 1.1|
Mixed Cell Focus | X X | 3 |
Necrosis, Focal | 3 1 1 | 6 1.5|
Tension Lipidosis | X | 2 |
Hepatocyte, Vacuolization Cytoplasmic| 3 | 1 3.0|
Kupffer Cell, Pigmentation | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Mesentery | + | 2 |
Angiectasis | | 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 63
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 2| 3| 3| 9| 3| 3| 2| 2| 3| 5| 2| 3| 3| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| |
| 0| 0| 9| 0| 1| 6| 0| 1| 9| 9| 0| 7| 9| 1| 1| 9| 0| 9| 9| 1| 1| 0| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
625 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 1| 2| 3| 4| 5| 6| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Inflammation, Chronic | | 1 1.0|
Fat, Necrosis | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia, Lymphoid | | 2 2.0|
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Diverticulum | | 2 |
Inflammation, Chronic Active | 1 | 1 1.0|
Ulcer | 3 | 1 3.0|
Epithelium, Hyperplasia | 2 | 2 1.5|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Accessory Adrenal Cortical Nodule | 3 3 3 | 6 3.0|
Hyperplasia, Focal | 1 | 4 1.5|
Hypertrophy, Focal | 2 1 2 1 1 2 1| 18 1.6|
Capsule, Hyperplasia | 1 2 | 2 1.5|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 2 2 | 2 2.0|
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| 47 |
_____________________________________________________________________________________________________________________|____________|
* : 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 64
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 2| 3| 3| 9| 3| 3| 2| 2| 3| 5| 2| 3| 3| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| |
| 0| 0| 9| 0| 1| 6| 0| 1| 9| 9| 0| 7| 9| 1| 1| 9| 0| 9| 9| 1| 1| 0| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
625 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 1| 2| 3| 4| 5| 6| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
Cyst | | 1 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Pars Distalis, Cyst | 3 | 1 3.0|
Pars Distalis, Hyperplasia, Focal | | 1 4.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Degeneration, Cystic | 1 | 2 1.0|
Follicular Cell, Hyperplasia | | 2 1.5|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic Active | 2 | 3 1.3|
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 3 3 3 3 3 3| 23 3.0|
Inflammation, Chronic | 2 2 2| 10 2.2|
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Germinal Epithelium, Atrophy | 2 2 1 | 4 2.0|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 2 3 4 3 4 2 | 10 2.8|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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 65
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 2| 3| 3| 9| 3| 3| 2| 2| 3| 5| 2| 3| 3| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| |
| 0| 0| 9| 0| 1| 6| 0| 1| 9| 9| 0| 7| 9| 1| 1| 9| 0| 9| 9| 1| 1| 0| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
625 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 1| 2| 3| 4| 5| 6| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Lymph Node | + + | 3 |
Bronchial, Hyperplasia, Lymphoid | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + M + + + + + + + + + +| 46 |
Hyperplasia, Lymphoid | 2 2 4 2 3 2 2 3| 14 2.3|
Pigmentation | 2 2 3 | 6 2.2|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + M + + + + + + + + + + + + + + + + + + + +| 47 |
Atrophy | 3 | 1 3.0|
Hemorrhage | 1 | 2 1.5|
Hyperplasia, Lymphoid | 2 3 | 7 2.1|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | | 1 3.0|
Hematopoietic Cell Proliferation | 3 3 3 4 1 1 3 1 1 2 4 2 1 | 21 2.3|
Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 | 16 1.1|
Lymphoid Follicle, Atrophy | 3 | 4 3.3|
Lymphoid Follicle, Hyperplasia | 2 | 2 1.5|
|__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + M + + + + + + + + + +| 46 |
Atrophy | 2 2 2 2 | 5 2.2|
Hyperplasia, Lymphoid | | 1 3.0|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | | 1 4.0|
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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 66
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 2| 3| 3| 9| 3| 3| 2| 2| 3| 5| 2| 3| 3| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| |
| 0| 0| 9| 0| 1| 6| 0| 1| 9| 9| 0| 7| 9| 1| 1| 9| 0| 9| 9| 1| 1| 0| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
625 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 1| 2| 3| 4| 5| 6| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
MUSCULOSKELETAL SYSTEM - cont | | |
Skeletal Muscle | | 1 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Compression | 3 | 1 3.0|
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | 2 | 3 2.0|
Hemorrhage | 1 2 1 | 8 1.5|
Hyperplasia, Lymphoid | | 2 2.0|
Infiltration Cellular, Histiocyte | 4 | 4 3.0|
Alveolar Epithelium, Hyperplasia | 3 2 | 3 2.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Foreign Body | X X | 3 |
Inflammation, Chronic | 1 2 3 | 4 2.5|
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | 4 | 2 3.0|
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | 1 2 1 | 4 1.8|
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 | 11 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 67
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 2| 3| 3| 9| 3| 3| 2| 2| 3| 5| 2| 3| 3| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| |
| 0| 0| 9| 0| 1| 6| 0| 1| 9| 9| 0| 7| 9| 1| 1| 9| 0| 9| 9| 1| 1| 0| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
625 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 2| L |
| 1| 2| 3| 4| 5| 6| 8| 9| 0| 1| 3| 4| 5| 6| 7| 8| 1| 2| 3| 4| 5| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
URINARY SYSTEM - cont | | |
Hyperplasia, Lymphoid | | 3 2.0|
Infarct | 2 2 | 6 1.8|
Metaplasia, Osseous | 1 1 | 3 1.3|
Nephropathy | 1 1 1 2 2 1 1 2 1 1 1 2 1 1 1 1 1 1 3 2 1 2 2| 43 1.5|
Renal Tubule, Hyperplasia | | 1 1.0|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : 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 68
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 4| 7| 0| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 0| 2| 0| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| 3| 3| 3| 3| 2| 3| 3| 2| 2|
| 0| 1| 9| 0| 9| 7| 1| 1| 1| 0| 9| 1| 0| 1| 9| 0| 0| 0| 0| 1| 9| 0| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|
1250 PPM | 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4|
| 2| 3| 4| 5| 6| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + + M + A + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + M I + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + + + +|
Edema | |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + I + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 3 |
Infiltration Cellular, | |
Polymorphonuclear | |
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + A + + + + M + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | 4 |
Basophilic Focus | |
Clear Cell Focus | X X X X |
Eosinophilic Focus | |
Hematopoietic Cell Proliferation | 2 1 |
Infiltration Cellular, Mixed Cell | 1 1 1 1 |
Mixed Cell Focus | X X X X |
Necrosis, Focal | 1 |
Tension Lipidosis | X|
Hepatocyte, Cytoplasmic Alteration | 1 1 1 1 1 1 2 1 |
Hepatocyte, Karyomegaly | 1 1 1 1 1 1 |
Kupffer Cell, Pigmentation | 2 |
|__________________________________________________________________________|
Mesentery | + + +|
Fat, Necrosis | 2 2|
|__________________________________________________________________________|
__________________________________________|__________________________________________________________________________|
Page 69
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 4| 7| 0| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 0| 2| 0| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| 3| 3| 3| 3| 2| 3| 3| 2| 2|
| 0| 1| 9| 0| 9| 7| 1| 1| 1| 0| 9| 1| 0| 1| 9| 0| 0| 0| 0| 1| 9| 0| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|
1250 PPM | 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4|
| 2| 3| 4| 5| 6| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | |
Cyst | 3 |
Acinus, Cytoplasmic Alteration | 2 |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Epithelium, Hyperplasia | |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Blood Vessel | + + |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3 3 3 3 3|
Hyperplasia, Focal | 2 1 |
Hypertrophy, Focal | 1 2 1 1 1 1 |
Capsule, Hyperplasia | 2 1 1 |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 1 |
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + + +|
Cyst | 3 |
|__________________________________________________________________________|
Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +|
Pars Distalis, Cyst | 3 |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 70
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 4| 7| 0| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 0| 2| 0| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| 3| 3| 3| 3| 2| 3| 3| 2| 2|
| 0| 1| 9| 0| 9| 7| 1| 1| 1| 0| 9| 1| 0| 1| 9| 0| 0| 0| 0| 1| 9| 0| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|
1250 PPM | 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4|
| 2| 3| 4| 5| 6| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|
__________________________________________|__________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
Degeneration, Cystic | 1 |
Follicular Cell, Hyperplasia | 1 2 |
Follicular Cell, Hypertrophy | 1 2 1 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Granuloma Sperm | 3 2 |
Hyperplasia, Lymphoid | 2 |
Hypospermia | 4 |
Inflammation, Chronic Active | 2 3 2 1 |
|__________________________________________________________________________|
Penis | |
Angiectasis | |
|__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 3 3 3 |
Inflammation, Chronic | 3 2 2 2 2 2 2 2 |
|__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Germinal Epithelium, Atrophy | 2 3 3 |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2|
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + M + + + M M + + + + + + + + + +|
Atrophy | |
Ectasia | |
Hyperplasia, Lymphoid | 2 3 |
__________________________________________|__________________________________________________________________________|
Page 71
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 4| 7| 0| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 0| 2| 0| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| 3| 3| 3| 3| 2| 3| 3| 2| 2|
| 0| 1| 9| 0| 9| 7| 1| 1| 1| 0| 9| 1| 0| 1| 9| 0| 0| 0| 0| 1| 9| 0| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|
1250 PPM | 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4|
| 2| 3| 4| 5| 6| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Pigmentation | 2 2 2 2 |
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + A + + + + + + + + + + + + + + + + + + +|
Atrophy | |
Hemorrhage | 2 2 |
Hyperplasia, Lymphoid | 2 3 3 4 2 2 2 2|
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 3 |
Hematopoietic Cell Proliferation | 4 4 2 1 3 2 3 2 4 1 3 2 1 2 2 3 3 2 2 3|
Pigmentation | 2 2 2 1 2 1 1 1 2 2 1 1 2 1 1 1 2 |
Lymphoid Follicle, Atrophy | 1 2 1 3 1 1 2|
Lymphoid Follicle, Hyperplasia | 2 |
|__________________________________________________________________________|
Thymus | + + + + + + + + + + M + + + + + + + + + + + + + +|
Atrophy | 4 |
Cyst | 3 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 |
Hemorrhage | 2 2 1 2 |
Hyperplasia, Lymphoid | |
__________________________________________|__________________________________________________________________________|
Page 72
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 7| 7| 7| 4| 7| 0| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 3| 3| 2| 0| 2| 0| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| 3| 3| 3| 3| 2| 3| 3| 2| 2|
| 0| 1| 9| 0| 9| 7| 1| 1| 1| 0| 9| 1| 0| 1| 9| 0| 0| 0| 0| 1| 9| 0| 1| 9| 9|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|
1250 PPM | 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4|
| 2| 3| 4| 5| 6| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8|
__________________________________________|__________________________________________________________________________|
RESPIRATORY SYSTEM - cont | |
Infiltration Cellular, Histiocyte | 2 4 1 1 |
Inflammation, Chronic | 1 |
Metaplasia, Osseous | |
Alveolar Epithelium, Hyperplasia | |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | X |
Inflammation, Chronic | 1 |
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cataract | |
Inflammation, Chronic | |
Cornea, Hyperplasia | |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia, Focal | 2 |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 3 3 |
Hyperplasia, Lymphoid | 2 |
Infarct | 2 1 3 3 1|
Metaplasia, Osseous | 1 |
Nephropathy | 1 2 2 2 2 1 2 2 1 1 2 1 1 2 2 1 1 2 1 1|
Renal Tubule, Hyperplasia | 1|
Renal Tubule, Pigmentation | 2 |
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________
Page 73
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 0| 7| 7| 6| 7| 7| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 0| 7| 0| 7| 7| 7| |
DAY ON TEST | 3| 0| 1| 0| 1| 2| 3| 2| 3| 3| 2| 1| 3| 3| 3| 5| 3| 2| 2| 0| 3| 2| 3| 3| 3| |
| 1| 7| 8| 6| 1| 9| 1| 1| 0| 0| 9| 2| 1| 1| 0| 4| 1| 3| 9| 7| 1| 2| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
1250 PPM | 4| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| L |
| 9| 0| 1| 2| 3| 4| 5| 6| 7| 0| 1| 2| 3| 5| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Gallbladder | + A + + + + + A + + + + I + M A + + + + + A + + +| 42 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + A + + + + + + + + + + + + + + + + +| 47 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + A + + + + + + + + + + + + + A + + +| 47 |
Edema | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + A + + + M + + + A + + + + + I + + +| 45 |
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + A + + + + + + + A + + + + + A + + +| 46 |
Hyperplasia, Lymphoid | | 1 3.0|
Infiltration Cellular, | | |
Polymorphonuclear | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + A + + + + + + + A + + + + + A + + +| 45 |
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | | 1 4.0|
Basophilic Focus | X | 1 |
Clear Cell Focus | X X | 6 |
Eosinophilic Focus | X X | 2 |
Hematopoietic Cell Proliferation | | 2 1.5|
Infiltration Cellular, Mixed Cell | 2 1 2 | 7 1.3|
Mixed Cell Focus | | 4 |
Necrosis, Focal | 4 | 2 2.5|
Tension Lipidosis | | 1 |
Hepatocyte, Cytoplasmic Alteration | 1 2 1 | 11 1.2|
Hepatocyte, Karyomegaly | 1 1 1 1 | 10 1.0|
Kupffer Cell, Pigmentation | | 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 74
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 0| 7| 7| 6| 7| 7| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 0| 7| 0| 7| 7| 7| |
DAY ON TEST | 3| 0| 1| 0| 1| 2| 3| 2| 3| 3| 2| 1| 3| 3| 3| 5| 3| 2| 2| 0| 3| 2| 3| 3| 3| |
| 1| 7| 8| 6| 1| 9| 1| 1| 0| 0| 9| 2| 1| 1| 0| 4| 1| 3| 9| 7| 1| 2| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
1250 PPM | 4| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| L |
| 9| 0| 1| 2| 3| 4| 5| 6| 7| 0| 1| 2| 3| 5| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Mesentery | + + | 5 |
Fat, Necrosis | 3 | 3 2.3|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 |
Atrophy | 4 | 1 4.0|
Cyst | 3 3 | 3 3.0|
Acinus, Cytoplasmic Alteration | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Epithelium, Hyperplasia | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + A + + +| 49 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Blood Vessel | + | 3 |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Accessory Adrenal Cortical Nodule | 3 3| 8 3.0|
Hyperplasia, Focal | 1 | 3 1.3|
Hypertrophy, Focal | 1 1 2 1 | 10 1.2|
Capsule, Hyperplasia | | 3 1.3|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 2 | 2 1.5|
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + A + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________|____________|
* : 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 75
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 0| 7| 7| 6| 7| 7| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 0| 7| 0| 7| 7| 7| |
DAY ON TEST | 3| 0| 1| 0| 1| 2| 3| 2| 3| 3| 2| 1| 3| 3| 3| 5| 3| 2| 2| 0| 3| 2| 3| 3| 3| |
| 1| 7| 8| 6| 1| 9| 1| 1| 0| 0| 9| 2| 1| 1| 0| 4| 1| 3| 9| 7| 1| 2| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
1250 PPM | 4| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| L |
| 9| 0| 1| 2| 3| 4| 5| 6| 7| 0| 1| 2| 3| 5| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + M M + + M M + + + + + + + +| 45 |
Cyst | 3 | 2 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| 48 |
Pars Distalis, Cyst | 3 | 2 3.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Degeneration, Cystic | 2 3 | 3 2.0|
Follicular Cell, Hyperplasia | 2 | 3 1.7|
Follicular Cell, Hypertrophy | 1 1 1 | 6 1.2|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Granuloma Sperm | 3 | 3 2.7|
Hyperplasia, Lymphoid | 3 | 2 2.5|
Hypospermia | | 1 4.0|
Inflammation, Chronic Active | 2 2 2 | 7 2.0|
|__________________________________________________________________________|____________|
Penis | + | 1 |
Angiectasis | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 3 3 | 16 3.0|
Inflammation, Chronic | 2 2 2 2 3 2 | 14 2.1|
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + I + + + + + + + + + + + + + + +| 49 |
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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 76
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 0| 7| 7| 6| 7| 7| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 0| 7| 0| 7| 7| 7| |
DAY ON TEST | 3| 0| 1| 0| 1| 2| 3| 2| 3| 3| 2| 1| 3| 3| 3| 5| 3| 2| 2| 0| 3| 2| 3| 3| 3| |
| 1| 7| 8| 6| 1| 9| 1| 1| 0| 0| 9| 2| 1| 1| 0| 4| 1| 3| 9| 7| 1| 2| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
1250 PPM | 4| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| L |
| 9| 0| 1| 2| 3| 4| 5| 6| 7| 0| 1| 2| 3| 5| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
GENITAL SYSTEM - cont | | |
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Germinal Epithelium, Atrophy | 2 2 3 2 1 | 8 2.3|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 2 2 2 3 2 2 3 2 2| 20 2.1|
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + M + + + + + + + + + + + + + + + + + + + M +| 45 |
Atrophy | 2 2 | 2 2.0|
Ectasia | 2 | 1 2.0|
Hyperplasia, Lymphoid | 3 3 2 3 2 3 2 | 9 2.6|
Pigmentation | 2 2 2 2 2 | 9 2.0|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + A + + + + + + + A + + + + + M + + +| 46 |
Atrophy | 2 3 | 2 2.5|
Hemorrhage | | 2 2.0|
Hyperplasia, Lymphoid | 2 2 2 3 3 2 2| 15 2.4|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 |
Atrophy | 3 3 3 | 4 3.0|
Hematopoietic Cell Proliferation | 3 2 2 3 2 2 2 3 3 3 2 4 3 2 3 1 2 3| 38 2.5|
Pigmentation | 2 1 1 2 2 3 1 2 2 2 1 2 2 1 2 1| 33 1.6|
Lymphoid Follicle, Atrophy | 1 3 1 1 1 4 1 | 14 1.6|
Lymphoid Follicle, Hyperplasia | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Thymus | + + + + M + + + + + + + + + M + + + + + M + + + +| 46 |
Atrophy | 3 3 3 3 4 3 4 4 | 9 3.4|
Cyst | | 1 3.0|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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 77
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 0| 7| 7| 6| 7| 7| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 0| 7| 0| 7| 7| 7| |
DAY ON TEST | 3| 0| 1| 0| 1| 2| 3| 2| 3| 3| 2| 1| 3| 3| 3| 5| 3| 2| 2| 0| 3| 2| 3| 3| 3| |
| 1| 7| 8| 6| 1| 9| 1| 1| 0| 0| 9| 2| 1| 1| 0| 4| 1| 3| 9| 7| 1| 2| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
1250 PPM | 4| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| L |
| 9| 0| 1| 2| 3| 4| 5| 6| 7| 0| 1| 2| 3| 5| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
INTEGUMENTARY SYSTEM - cont | | |
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | | 1 2.0|
Hemorrhage | | 4 1.8|
Hyperplasia, Lymphoid | 2 2 | 2 2.0|
Infiltration Cellular, Histiocyte | | 4 2.0|
Inflammation, Chronic | | 1 1.0|
Metaplasia, Osseous | 1 1 | 2 1.0|
Alveolar Epithelium, Hyperplasia | 1 | 1 1.0|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Foreign Body | X X | 3 |
Inflammation, Chronic | 1 3 | 3 1.7|
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cataract | 3 | 1 3.0|
Inflammation, Chronic | 1 3 | 2 2.0|
Cornea, 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 78
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 0| 7| 7| 6| 7| 7| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 6| 7| 0| 7| 0| 7| 7| 7| |
DAY ON TEST | 3| 0| 1| 0| 1| 2| 3| 2| 3| 3| 2| 1| 3| 3| 3| 5| 3| 2| 2| 0| 3| 2| 3| 3| 3| |
| 1| 7| 8| 6| 1| 9| 1| 1| 0| 0| 9| 2| 1| 1| 0| 4| 1| 3| 9| 7| 1| 2| 1| 1| 0| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A |
1250 PPM | 4| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| L |
| 9| 0| 1| 2| 3| 4| 5| 6| 7| 0| 1| 2| 3| 5| 8| 9| 0| 1| 2| 3| 4| 6| 7| 8| 0| |
_____________________________________________________________________________________________________________________|____________|
SPECIAL SENSES SYSTEM - cont | | |
Harderian Gland | + + + M + + + + + + + + + + + + + + + + + M + + +| 48 |
Hyperplasia, Focal | 3 | 2 2.5|
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 | 12 3.0|
Hyperplasia, Lymphoid | 2 2 | 3 2.0|
Infarct | 3 | 6 2.2|
Metaplasia, Osseous | 1 | 2 1.0|
Nephropathy | 1 2 1 2 1 2 1 1 3 1 2 1| 32 1.5|
Renal Tubule, Hyperplasia | 1 | 2 1.0|
Renal Tubule, Pigmentation | 1 | 2 1.5|
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : 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 79
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 0| 7| 7| 7| 0| 7| 7| 7|
DAY ON TEST | 0| 2| 3| 2| 3| 3| 3| 2| 3| 3| 3| 2| 2| 3| 9| 3| 5| 0| 2| 3| 2| 2| 2| 3| 3|
| 7| 9| 1| 9| 0| 1| 1| 9| 1| 1| 0| 9| 9| 1| 5| 1| 6| 7| 9| 0| 9| 1| 9| 1| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
2500 PPM | 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1|
| 2| 3| 4| 6| 8| 9| 1| 2| 3| 5| 6| 7| 8| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM | |
|__________________________________________________________________________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Gallbladder | + + M + + + + M + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | 2 |
|__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Epithelium, Hyperplasia | 3 |
|__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + M + + + + + + + + + + + + + + + + + +|
Hyperplasia, Lymphoid | 2 |
Infiltration Cellular, | |
Polymorphonuclear | |
|__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Basophilic Focus | X |
Clear Cell Focus | X X X|
Eosinophilic Focus | X X X |
Hematopoietic Cell Proliferation | 2 |
Hepatodiaphragmatic Nodule | |
Infiltration Cellular, Mixed Cell | 1 2 |
Mixed Cell Focus | X X|
Necrosis, Diffuse | 3 |
Necrosis, Focal | |
Hepatocyte, Cytoplasmic Alteration | 2 2 1 2 1 1 2 2 2 2 2 3 1 2 2 2|
Hepatocyte, Karyomegaly | 2 1 1 1 1 1 1 1 1 2 2|
Hepatocyte, Vacuolization Cytoplasmic| |
Kupffer Cell, Pigmentation | 2 1 1 1 1 4 2 3 |
|__________________________________________________________________________|
Mesentery | + |
__________________________________________|__________________________________________________________________________|
Page 80
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 0| 7| 7| 7| 0| 7| 7| 7|
DAY ON TEST | 0| 2| 3| 2| 3| 3| 3| 2| 3| 3| 3| 2| 2| 3| 9| 3| 5| 0| 2| 3| 2| 2| 2| 3| 3|
| 7| 9| 1| 9| 0| 1| 1| 9| 1| 1| 0| 9| 9| 1| 5| 1| 6| 7| 9| 0| 9| 1| 9| 1| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
2500 PPM | 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1|
| 2| 3| 4| 6| 8| 9| 1| 2| 3| 5| 6| 7| 8| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2|
__________________________________________|__________________________________________________________________________|
ALIMENTARY SYSTEM - cont | |
Fat, Necrosis | 2 |
|__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 |
Acinus, Cytoplasmic Alteration | 3 |
|__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Ulcer | 3 |
Epithelium, Hyperplasia | 3 |
|__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Tooth | |
Inflammation, Chronic | |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
|__________________________________________________________________________|
Blood Vessel | + |
|__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cardiomyopathy | |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
|__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Accessory Adrenal Cortical Nodule | 3 3 3 3 |
Hyperplasia, Focal | |
Hypertrophy, Focal | 2 1 2 1 |
Capsule, Hyperplasia | |
|__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hyperplasia | 2 |
|__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 81
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 0| 7| 7| 7| 0| 7| 7| 7|
DAY ON TEST | 0| 2| 3| 2| 3| 3| 3| 2| 3| 3| 3| 2| 2| 3| 9| 3| 5| 0| 2| 3| 2| 2| 2| 3| 3|
| 7| 9| 1| 9| 0| 1| 1| 9| 1| 1| 0| 9| 9| 1| 5| 1| 6| 7| 9| 0| 9| 1| 9| 1| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
2500 PPM | 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1|
| 2| 3| 4| 6| 8| 9| 1| 2| 3| 5| 6| 7| 8| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2|
__________________________________________|__________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
Cyst | |
|__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Pars Distalis, Cyst | 3 3 |
|__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Degeneration, Cystic | 2 2 |
Follicular Cell, Hyperplasia | 2 2 2 2 2 2 3 1 2 4 3 1 2 2|
Follicular Cell, Hypertrophy | 1 2 1 1 1 2 1 1 |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
|__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Granuloma Sperm | 3 3|
Hyperplasia, Lymphoid | |
Inflammation, Chronic Active | 3 2|
|__________________________________________________________________________|
Penis | |
Angiectasis | |
|__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 3 3 3 3 3 3 3 3|
Inflammation, Chronic | 3 1 |
|__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | 3 |
|__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Germinal Epithelium, Atrophy | 1 2 2 2|
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
|__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________|__________________________________________________________________________|
Page 82
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 0| 7| 7| 7| 0| 7| 7| 7|
DAY ON TEST | 0| 2| 3| 2| 3| 3| 3| 2| 3| 3| 3| 2| 2| 3| 9| 3| 5| 0| 2| 3| 2| 2| 2| 3| 3|
| 7| 9| 1| 9| 0| 1| 1| 9| 1| 1| 0| 9| 9| 1| 5| 1| 6| 7| 9| 0| 9| 1| 9| 1| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
2500 PPM | 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1|
| 2| 3| 4| 6| 8| 9| 1| 2| 3| 5| 6| 7| 8| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2|
__________________________________________|__________________________________________________________________________|
HEMATOPOIETIC SYSTEM - cont | |
Hyperplasia | 2 2 2 2 3 2 2 2 3 2 2 2 2 3 2 2 4 2 2 3|
|__________________________________________________________________________|
Lymph Node | + |
|__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Atrophy | 2 3 3 |
Hyperplasia, Lymphoid | 2 2 2 2 2 3 2 3 |
Pigmentation | 2 2 2 |
|__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + M + + +|
Angiectasis | 3 |
Atrophy | 3 |
Hyperplasia, Lymphoid | 2 3 2 |
Necrosis | 3 |
|__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Angiectasis | |
Atrophy | 3 2 |
Hematopoietic Cell Proliferation | 2 3 3 3 4 3 3 3 4 3 3 2 2 3 3 3 2 4 2 3 4 3|
Pigmentation | 2 3 3 2 3 2 2 2 2 2 2 2 2 2 1 2 3 2 2 2|
Lymphoid Follicle, Atrophy | 2 1 3 4 1 1 4 2 3 3 3 1 2 3 1|
|__________________________________________________________________________|
Thymus | + + + + + I + + + + + + + + + + + + + + M + M + +|
Atrophy | 3 3 3 4 |
Cyst | 3 |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
|__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
|__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Skeletal Muscle | + |
Atrophy | |
__________________________________________|__________________________________________________________________________|
Page 83
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 0| 7| 7| 7| 0| 7| 7| 7|
DAY ON TEST | 0| 2| 3| 2| 3| 3| 3| 2| 3| 3| 3| 2| 2| 3| 9| 3| 5| 0| 2| 3| 2| 2| 2| 3| 3|
| 7| 9| 1| 9| 0| 1| 1| 9| 1| 1| 0| 9| 9| 1| 5| 1| 6| 7| 9| 0| 9| 1| 9| 1| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
2500 PPM | 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1|
| 2| 3| 4| 6| 8| 9| 1| 2| 3| 5| 6| 7| 8| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2|
__________________________________________|__________________________________________________________________________|
NERVOUS SYSTEM | |
|__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
|__________________________________________________________________________|
Peripheral Nerve | |
Atrophy | |
|__________________________________________________________________________|
Spinal Cord | |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
|__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Edema | |
Hemorrhage | 4 |
Hyperplasia, Lymphoid | 2 2 2 |
Infiltration Cellular, Histiocyte | 2 |
Inflammation, Chronic | 2 |
Thrombosis | |
Alveolar Epithelium, Hyperplasia | 2 2 |
|__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Foreign Body | X |
Inflammation, Chronic | 2 |
|__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
|__________________________________________________________________________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cataract | |
Inflammation, Chronic | |
|__________________________________________________________________________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Inflammation, Chronic | |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
|__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cyst | 3 3 3 3 3 3 3 3 3 |
__________________________________________|__________________________________________________________________________|
Page 84
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
_____________________________________________________________________________________________________________________
| 0| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 0| 7| 7| 7| 0| 7| 7| 7|
DAY ON TEST | 0| 2| 3| 2| 3| 3| 3| 2| 3| 3| 3| 2| 2| 3| 9| 3| 5| 0| 2| 3| 2| 2| 2| 3| 3|
| 7| 9| 1| 9| 0| 1| 1| 9| 1| 1| 0| 9| 9| 1| 5| 1| 6| 7| 9| 0| 9| 1| 9| 1| 0|
__________________________________________|__________________________________________________________________________|
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|
ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|
2500 PPM | 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1|
| 2| 3| 4| 6| 8| 9| 1| 2| 3| 5| 6| 7| 8| 9| 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2|
__________________________________________|__________________________________________________________________________|
URINARY SYSTEM - cont | |
Hyperplasia, Lymphoid | 2 |
Infarct | 2 |
Inflammation, Suppurative | 4 |
Metaplasia, Osseous | 2 |
Nephropathy | 1 2 1 1 1 1 1 1 1 1 1 1 1|
Papilla, Necrosis | 2 |
Renal Tubule, Hyperplasia | 2 2 |
Renal Tubule, Pigmentation | 3 3 3 3 2 2 2 2 3 1 3 3 2 2 3 2 3 3 2 3 3|
|__________________________________________________________________________|
Urethra | + |
Angiectasis | 4 |
Inflammation, Suppurative | 3 |
|__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Transitional Epithelium, Hyperplasia | 2 |
__________________________________________|__________________________________________________________________________
Page 85
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
|__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | | 1 2.0|
|__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Epithelium, Hyperplasia | | 1 3.0|
|__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Hyperplasia, Lymphoid | | 1 2.0|
Infiltration Cellular, | | |
Polymorphonuclear | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Basophilic Focus | X X | 3 |
Clear Cell Focus | X X X X X| 8 |
Eosinophilic Focus | X X X | 6 |
Hematopoietic Cell Proliferation | 2 | 2 2.0|
Hepatodiaphragmatic Nodule | X | 1 |
Infiltration Cellular, Mixed Cell | 1 2 1 1 2 | 7 1.4|
Mixed Cell Focus | X X | 4 |
Necrosis, Diffuse | | 1 3.0|
Necrosis, Focal | 4 1 3 1 1 3 | 6 2.2|
Hepatocyte, Cytoplasmic Alteration | 2 2 2 2 3 2 2 2 2 2 2 1 2 2 2 2 1 2 1 2 1| 37 1.8|
Hepatocyte, Karyomegaly | 2 1 1 2 2 2 2 1 1 2 1 1 1 1 1 1 1 1| 29 1.3|
_____________________________________________________________________________________________________________________|____________|
* : 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 86
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ALIMENTARY SYSTEM - cont | | |
Hepatocyte, Vacuolization Cytoplasmic| 2 | 1 2.0|
Kupffer Cell, Pigmentation | 1 1 1 1 1 1 1 1 2 1 2 | 19 1.5|
|__________________________________________________________________________|____________|
Mesentery | + | 2 |
Fat, Necrosis | 3 | 2 2.5|
|__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 | 2 3.0|
Acinus, Cytoplasmic Alteration | | 1 3.0|
|__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Ulcer | | 1 3.0|
Epithelium, Hyperplasia | | 1 3.0|
|__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Tooth | + | 1 |
Inflammation, Chronic | 4 | 1 4.0|
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
|__________________________________________________________________________|____________|
Blood Vessel | + + | 3 |
|__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cardiomyopathy | 1 | 1 1.0|
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
|__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Accessory Adrenal Cortical Nodule | 3 3| 6 3.0|
Hyperplasia, Focal | 1| 1 1.0|
Hypertrophy, Focal | 2 2 2 2 1 2 | 10 1.7|
_____________________________________________________________________________________________________________________|____________|
* : 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 87
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
ENDOCRINE SYSTEM - cont | | |
Capsule, Hyperplasia | 2 1 | 2 1.5|
|__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | | 1 2.0|
|__________________________________________________________________________|____________|
Parathyroid Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| 48 |
Cyst | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Pars Distalis, Cyst | | 2 3.0|
|__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Degeneration, Cystic | 1 1 | 4 1.5|
Follicular Cell, Hyperplasia | 1 1 1 3 3 2 1 1 1 1 2 1 3 1 2 3 1 3 1| 33 1.9|
Follicular Cell, Hypertrophy | 2 1 1 2 2 1 2 1 1 1 1 1 1 1 1 3 1| 25 1.3|
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
|__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Granuloma Sperm | 2 2 2 3 | 6 2.5|
Hyperplasia, Lymphoid | 3 | 1 3.0|
Inflammation, Chronic Active | 2 4 4 3 2 3 | 8 2.9|
|__________________________________________________________________________|____________|
Penis | + | 1 |
Angiectasis | 3 | 1 3.0|
|__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 3 3 | 21 3.0|
Inflammation, Chronic | 2 3 4 2 2 | 7 2.4|
_____________________________________________________________________________________________________________________|____________|
* : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade
+ : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as:
X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate
I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked
Page 88
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
GENITAL SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | 2 | 2 2.5|
|__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Germinal Epithelium, Atrophy | 2 3 3 2 3 1 2 1 3 1 | 14 2.0|
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
|__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hyperplasia | 3 2 2 2 3 2 3 3 3 2 2 2 3 3 3 2 3 3 3 3 3 3| 42 2.5|
|__________________________________________________________________________|____________|
Lymph Node | | 1 |
|__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Atrophy | 3 | 4 2.8|
Hyperplasia, Lymphoid | 2 2 2 2 3 | 13 2.2|
Pigmentation | 2 2 2| 6 2.0|
|__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + M + + + + +| 48 |
Angiectasis | | 1 3.0|
Atrophy | 3 | 2 3.0|
Hyperplasia, Lymphoid | 2 4 2 2 2 2 2 | 10 2.3|
Necrosis | | 1 3.0|
|__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Angiectasis | 2 | 1 2.0|
Atrophy | 3 | 3 2.7|
Hematopoietic Cell Proliferation | 3 3 2 1 3 3 3 2 4 4 3 2 3 3 3 3 3 4 3 3 4 3 1| 45 2.9|
Pigmentation | 2 1 1 2 2 2 2 2 3 2 3 3 2 3 3 2 1 3 2 2 2 3 3| 43 2.2|
Lymphoid Follicle, Atrophy | 1 1 2 1 2 2 1 1 1 1 1 4 1 1 1 | 30 1.8|
|__________________________________________________________________________|____________|
_____________________________________________________________________________________________________________________|____________|
* : 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 89
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
HEMATOPOIETIC SYSTEM - cont | | |
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 |
Atrophy | 2 3 4 3 | 8 3.1|
Cyst | | 1 3.0|
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
|__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
|__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Skeletal Muscle | + | 2 |
Atrophy | 2 | 1 2.0|
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
|__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
|__________________________________________________________________________|____________|
Peripheral Nerve | + | 1 |
Atrophy | 2 | 1 2.0|
|__________________________________________________________________________|____________|
Spinal Cord | + | 1 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
|__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Edema | 2 2 2| 3 2.0|
Hemorrhage | 2 | 2 3.0|
Hyperplasia, Lymphoid | 2 | 4 2.0|
Infiltration Cellular, Histiocyte | 4 | 2 3.0|
Inflammation, Chronic | 1 | 2 1.5|
_____________________________________________________________________________________________________________________|____________|
* : 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 90
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
RESPIRATORY SYSTEM - cont | | |
Thrombosis | 2 | 1 2.0|
Alveolar Epithelium, Hyperplasia | 3 | 3 2.3|
|__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Foreign Body | X | 2 |
Inflammation, Chronic | 2 | 2 2.0|
|__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
|__________________________________________________________________________|____________|
Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cataract | 2 | 1 2.0|
Inflammation, Chronic | 3 3 | 2 3.0|
|__________________________________________________________________________|____________|
Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Inflammation, Chronic | 2 2| 2 2.0|
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
|__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cyst | 3 3 3 3 3 3 3 3 3 3| 19 3.0|
Hyperplasia, Lymphoid | 2 2 | 3 2.0|
Infarct | | 1 2.0|
Inflammation, Suppurative | | 1 4.0|
Metaplasia, Osseous | 2 1 | 3 1.7|
Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1| 31 1.1|
Papilla, Necrosis | | 1 2.0|
Renal Tubule, Hyperplasia | 1 | 3 1.7|
Renal Tubule, Pigmentation | 3 2 3 2 3 3 3 2 3 2 3 2 2 3 1 3 3 3 3 1 3 2 3 3| 45 2.5|
|__________________________________________________________________________|____________|
Urethra | | 1 |
Angiectasis | | 1 4.0|
Inflammation, Suppurative | | 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 91
NTP Experiment-Test: 92012-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09
Study Type: CHRONIC 2-METHYLIMIDAZOLE Date: 08/06/04
Route: DOSED FEED Time: 09:39:19
__________________________________________________________________________________________________________________________________
| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 7| 6| 7| 7| 7| 7| 7| |
DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 0| 0| 2| 3| 3| 9| 3| 2| 2| 3| 2| |
| 0| 1| 4| 1| 0| 1| 1| 1| 0| 1| 0| 9| 2| 1| 1| 7| 9| 1| 0| 3| 1| 9| 9| 0| 9| |
__________________________________________|__________________________________________________________________________| T (*) |
| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O |
B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T |
ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A |
2500 PPM | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| L |
| 3| 5| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
_____________________________________________________________________________________________________________________|____________|
URINARY SYSTEM - cont | | |
|__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Transitional Epithelium, Hyperplasia | | 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 92
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