TDMS Study 55301-05 Pathology Tables
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
Facility: TSI Mason Research
Chemical CAS #: 110-86-1
Lock Date: 12/15/94
Cage Range: All
Reasons For Removal: All
Removal Date Range: All
Treatment Groups: Include All
Note: Animals arranged according to CID number
Page 1
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 3| 7| 6| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 6|
DAY ON TEST | 2| 2| 2| 7| 2| 4| 2| 9| 2| 8| 2| 2| 2| 9| 2| 2| 2| 9| 2| 2| 2| 2| 2| 3| 8|
| 9| 9| 2| 3| 2| 9| 9| 9| 9| 7| 9| 9| 9| 6| 9| 9| 9| 3| 9| 9| 9| 9| 9| 6| 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|
FISCHER 344 RATS 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|
0 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|
| 6| 7| 8| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
Hepatocellular Adenoma | |
Leukemia Mononuclear | X X X X X |
__________________________________________________________________________|
Mesentery | + + + + |
Fibrous Histiocytoma | X |
__________________________________________________________________________|
Oral Mucosa | + + |
Pharyngeal, Squamous Cell Carcinoma | X X |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + A +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Pheochromocytoma Benign | |
Bilateral, Pheochromocytoma Benign | |
_____________________________________________________________________________________________________________________|
Page 2
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 3| 7| 6| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 6|
DAY ON TEST | 2| 2| 2| 7| 2| 4| 2| 9| 2| 8| 2| 2| 2| 9| 2| 2| 2| 9| 2| 2| 2| 2| 2| 3| 8|
| 9| 9| 2| 3| 2| 9| 9| 9| 9| 7| 9| 9| 9| 6| 9| 9| 9| 3| 9| 9| 9| 9| 9| 6| 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|
FISCHER 344 RATS 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|
0 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|
| 6| 7| 8| 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 | |
| |
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + A +|
Adenoma | |
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + M + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Pars Distalis, Adenoma | X X X X X X X|
Pars Distalis, Adenoma, Multiple | X |
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
C-Cell, Adenoma | X |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Clitoral Gland | + + + M + + + + + M + + + + + + + + + + + + + + +|
Adenoma | X X |
__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Polyp Stromal | X X |
Sarcoma Stromal | X |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Lymph Node | + + + + |
Iliac, Leukemia Mononuclear | X |
Mediastinal, Fibrous Histiocytoma, | |
Metastatic, Mesentery | X |
Mediastinal, Leukemia Mononuclear | X X |
Renal, Leukemia Mononuclear | X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibrous Histiocytoma, Metastatic, | |
Mesentery | X |
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X |
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
_____________________________________________________________________________________________________________________|
Page 3
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 3| 7| 6| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 6|
DAY ON TEST | 2| 2| 2| 7| 2| 4| 2| 9| 2| 8| 2| 2| 2| 9| 2| 2| 2| 9| 2| 2| 2| 2| 2| 3| 8|
| 9| 9| 2| 3| 2| 9| 9| 9| 9| 7| 9| 9| 9| 6| 9| 9| 9| 3| 9| 9| 9| 9| 9| 6| 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|
FISCHER 344 RATS 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|
0 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|
| 6| 7| 8| 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 | |
| |
Lymphoma Malignant | X |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | |
Carcinoma | X |
Fibroadenoma | X X X X X X X X |
Fibroadenoma, Multiple | X X X X |
Sarcoma | |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Skeletal Muscle | + + |
Abdominal, Fibrous Histiocytoma, | |
Metastatic, Mesentery | X |
Abdominal, Lipoma | X |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Astrocytoma Malignant | X X |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Adenoma | X |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Harderian Gland | + |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X |
Lymphoma Malignant | X |
_____________________________________________________________________________________________________________________|
Page 4
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 1| 8| 2| 2| 2| 2| 1| 3| 3| 3| 0| 6| 6| 7| 3| 3| 3| |
| 0| 0| 0| 0| 0| 6| 0| 0| 7| 8| 9| 9| 9| 9| 7| 0| 0| 0| 3| 1| 7| 1| 0| 0| 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 |
FISCHER 344 RATS 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| 2| A |
0 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
Hepatocellular Adenoma | X | 1 |
Leukemia Mononuclear | X X X X X | 10 |
__________________________________________________________________________|____________|
Mesentery | + + + + + | 9 |
Fibrous Histiocytoma | | 1 |
__________________________________________________________________________|____________|
Oral Mucosa | | 2 |
Pharyngeal, Squamous Cell Carcinoma | | 2 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 5
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 1| 8| 2| 2| 2| 2| 1| 3| 3| 3| 0| 6| 6| 7| 3| 3| 3| |
| 0| 0| 0| 0| 0| 6| 0| 0| 7| 8| 9| 9| 9| 9| 7| 0| 0| 0| 3| 1| 7| 1| 0| 0| 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 |
FISCHER 344 RATS 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| 2| A |
0 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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 | | |
| | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Pheochromocytoma Benign | X X| 2 |
Bilateral, Pheochromocytoma Benign | X | 1 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Adenoma | X | 1 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| 48 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 1 |
Pars Distalis, Adenoma | X X X X X X X X X X | 17 |
Pars Distalis, Adenoma, Multiple | | 1 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
C-Cell, Adenoma | X X | 3 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Clitoral Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| 47 |
Adenoma | | 2 |
__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Polyp Stromal | X X| 4 |
Sarcoma Stromal | | 1 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
__________________________________________________________________________|____________|
Lymph Node | + + + | 7 |
Iliac, Leukemia Mononuclear | X | 2 |
Mediastinal, Fibrous Histiocytoma, | | |
Metastatic, Mesentery | | 1 |
Mediastinal, Leukemia Mononuclear | X | 3 |
Renal, Leukemia Mononuclear | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 6
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 1| 8| 2| 2| 2| 2| 1| 3| 3| 3| 0| 6| 6| 7| 3| 3| 3| |
| 0| 0| 0| 0| 0| 6| 0| 0| 7| 8| 9| 9| 9| 9| 7| 0| 0| 0| 3| 1| 7| 1| 0| 0| 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 |
FISCHER 344 RATS 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| 2| A |
0 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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 | | |
| | |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + M + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + M + + + + + +| 49 |
Fibrous Histiocytoma, Metastatic, | | |
Mesentery | | 1 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X | 12 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
Lymphoma Malignant | | 1 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | X X | 2 |
Carcinoma | | 1 |
Fibroadenoma | X X X X X X X X X X X | 19 |
Fibroadenoma, Multiple | X X X X | 8 |
Sarcoma | X | 1 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Skeletal Muscle | | 2 |
Abdominal, Fibrous Histiocytoma, | | |
Metastatic, Mesentery | | 1 |
Abdominal, Lipoma | | 1 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Astrocytoma Malignant | | 2 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Adenoma | | 1 |
Leukemia Mononuclear | X | 2 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 7
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 7| 7| 7| |
DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 1| 8| 2| 2| 2| 2| 1| 3| 3| 3| 0| 6| 6| 7| 3| 3| 3| |
| 0| 0| 0| 0| 0| 6| 0| 0| 7| 8| 9| 9| 9| 9| 7| 0| 0| 0| 3| 1| 7| 1| 0| 0| 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 |
FISCHER 344 RATS 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| 2| A |
0 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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| |
__________________________________________________________________________________________________________________________________
SPECIAL SENSES SYSTEM - cont | | |
| | |
| | |
__________________________________________________________________________|____________|
Harderian Gland | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X | 12 |
Lymphoma Malignant | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 8
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7|
DAY ON TEST | 2| 9| 2| 2| 2| 3| 2| 2| 1| 3| 2| 3| 5| 2| 8| 2| 2| 2| 4| 2| 3| 3| 1| 3| 3|
| 9| 5| 9| 9| 9| 0| 9| 9| 7| 0| 9| 3| 0| 9| 8| 9| 9| 9| 6| 9| 0| 0| 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| 0|
FISCHER 344 RATS 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|
100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
Schwannoma Malignant, Metastatic, | |
Uterus | |
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Pancreas | X |
Carcinoma, Metastatic, Uterus | X |
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Pancreas | X |
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Carcinoma, Metastatic, Pancreas | X |
Carcinoma, Metastatic, Uterus | X |
Leukemia Mononuclear | X X X X X X X X X X |
__________________________________________________________________________|
Mesentery | + + + + + + |
Carcinoma, Metastatic, Uterus | X |
Schwannoma Malignant, Metastatic, | |
Uterus | |
__________________________________________________________________________|
Oral Mucosa | + |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | X X |
Carcinoma, Metastatic, Uterus | X |
Leukemia Mononuclear | X X |
Acinus, Adenoma | |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Uterus | X |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
Page 9
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7|
DAY ON TEST | 2| 9| 2| 2| 2| 3| 2| 2| 1| 3| 2| 3| 5| 2| 8| 2| 2| 2| 4| 2| 3| 3| 1| 3| 3|
| 9| 5| 9| 9| 9| 0| 9| 9| 7| 0| 9| 3| 0| 9| 8| 9| 9| 9| 6| 9| 0| 0| 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| 0|
FISCHER 344 RATS 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|
100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 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 | |
| |
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
Pars Distalis, Adenoma | X X X X X X|
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Bilateral, C-Cell, Adenoma | |
C-Cell, Adenoma | X X|
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X X |
Carcinoma | |
__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Carcinoma, Metastatic, Pancreas | X |
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | X |
Carcinoma, Metastatic, Pancreas | X |
Polyp Stromal | X X X X |
Schwannoma Malignant, Metastatic, | |
Uterus | |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Lymph Node | + + + + + + +|
Mediastinal, Carcinoma, Metastatic, | |
Kidney | X |
Mediastinal, Carcinoma, Metastatic, | |
Pancreas | X |
Mediastinal, Leukemia Mononuclear | X X X |
Pancreatic, Leukemia Mononuclear | X X X |
Renal, Leukemia Mononuclear | X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
_____________________________________________________________________________________________________________________|
Page 10
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7|
DAY ON TEST | 2| 9| 2| 2| 2| 3| 2| 2| 1| 3| 2| 3| 5| 2| 8| 2| 2| 2| 4| 2| 3| 3| 1| 3| 3|
| 9| 5| 9| 9| 9| 0| 9| 9| 7| 0| 9| 3| 0| 9| 8| 9| 9| 9| 6| 9| 0| 0| 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| 0|
FISCHER 344 RATS 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|
100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 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 | |
| |
Leukemia Mononuclear | X X X X X X X X |
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Pancreas | X |
Carcinoma, Metastatic, Uterus | X |
Leukemia Mononuclear | X X X X X X |
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Carcinoma, Metastatic, Pancreas | X |
Carcinoma, Metastatic, Uterus | X |
Leukemia Mononuclear | X X X X X X X X X |
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Kidney | X |
Carcinoma, Metastatic, Pancreas | X |
Leukemia Mononuclear | X X X X X X |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | |
Carcinoma | X X |
Fibroadenoma | X X X X X X X X X|
Fibroadenoma, Multiple | X X X X X X |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Basal Cell Adenoma | X |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Skeletal Muscle | + |
Carcinoma, Metastatic, Uterus | X |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Adenoma | |
Carcinoma, Metastatic, Kidney | X |
Carcinoma, Metastatic, Pancreas | X X |
Carcinoma, Metastatic, Uterus | X |
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Pleura | + |
Carcinoma, Metastatic, Kidney | X |
_____________________________________________________________________________________________________________________|
Page 11
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7|
DAY ON TEST | 2| 9| 2| 2| 2| 3| 2| 2| 1| 3| 2| 3| 5| 2| 8| 2| 2| 2| 4| 2| 3| 3| 1| 3| 3|
| 9| 5| 9| 9| 9| 0| 9| 9| 7| 0| 9| 3| 0| 9| 8| 9| 9| 9| 6| 9| 0| 0| 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| 0|
FISCHER 344 RATS 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|
100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 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 | |
| |
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Zymbal's Gland | + |
Carcinoma | X |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Pancreas | X |
Leukemia Mononuclear | X |
Transitional Epithelium, Carcinoma | X |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X |
_____________________________________________________________________________________________________________________|
Page 12
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| |
DAY ON TEST | 2| 2| 2| 2| 3| 2| 2| 2| 6| 7| 8| 2| 3| 2| 2| 2| 2| 2| 2| 2| 2| 4| 2| 2| 6| |
| 9| 9| 9| 9| 0| 9| 9| 9| 6| 0| 2| 9| 0| 9| 9| 9| 9| 9| 9| 9| 8| 2| 9| 9| 6| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Schwannoma Malignant, Metastatic, | | |
Uterus | X | 1 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Pancreas | | 1 |
Carcinoma, Metastatic, Uterus | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Pancreas | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Carcinoma, Metastatic, Pancreas | | 1 |
Carcinoma, Metastatic, Uterus | | 1 |
Leukemia Mononuclear | X X X X X | 15 |
__________________________________________________________________________|____________|
Mesentery | + + + + +| 11 |
Carcinoma, Metastatic, Uterus | | 1 |
Schwannoma Malignant, Metastatic, | | |
Uterus | X | 1 |
__________________________________________________________________________|____________|
Oral Mucosa | | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma | | 2 |
Carcinoma, Metastatic, Uterus | | 1 |
Leukemia Mononuclear | | 2 |
Acinus, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Uterus | | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 13
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| |
DAY ON TEST | 2| 2| 2| 2| 3| 2| 2| 2| 6| 7| 8| 2| 3| 2| 2| 2| 2| 2| 2| 2| 2| 4| 2| 2| 6| |
| 9| 9| 9| 9| 0| 9| 9| 9| 6| 0| 2| 9| 0| 9| 9| 9| 9| 9| 9| 9| 8| 2| 9| 9| 6| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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| |
__________________________________________________________________________________________________________________________________
CARDIOVASCULAR SYSTEM - cont | | |
| | |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
Pars Distalis, Adenoma | X X X X X X| 12 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Bilateral, C-Cell, Adenoma | X | 1 |
C-Cell, Adenoma | | 2 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + M + + + M + + + + + + + + + + +| 48 |
Adenoma | X | 3 |
Carcinoma | X | 1 |
__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Carcinoma, Metastatic, Pancreas | | 1 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma | | 1 |
Carcinoma, Metastatic, Pancreas | | 1 |
Polyp Stromal | X X X | 7 |
Schwannoma Malignant, Metastatic, | | |
Uterus | X | 1 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 14
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| |
DAY ON TEST | 2| 2| 2| 2| 3| 2| 2| 2| 6| 7| 8| 2| 3| 2| 2| 2| 2| 2| 2| 2| 2| 4| 2| 2| 6| |
| 9| 9| 9| 9| 0| 9| 9| 9| 6| 0| 2| 9| 0| 9| 9| 9| 9| 9| 9| 9| 8| 2| 9| 9| 6| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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 | | |
| | |
__________________________________________________________________________|____________|
Lymph Node | + + | 9 |
Mediastinal, Carcinoma, Metastatic, | | |
Kidney | | 1 |
Mediastinal, Carcinoma, Metastatic, | | |
Pancreas | | 1 |
Mediastinal, Leukemia Mononuclear | | 3 |
Pancreatic, Leukemia Mononuclear | | 3 |
Renal, Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Leukemia Mononuclear | X | 9 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Pancreas | | 1 |
Carcinoma, Metastatic, Uterus | | 1 |
Leukemia Mononuclear | X | 7 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Carcinoma, Metastatic, Pancreas | | 1 |
Carcinoma, Metastatic, Uterus | | 1 |
Leukemia Mononuclear | X X X X X X | 15 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Kidney | | 1 |
Carcinoma, Metastatic, Pancreas | | 1 |
Leukemia Mononuclear | X | 7 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | X | 1 |
Carcinoma | | 2 |
Fibroadenoma | X X X X X X| 15 |
Fibroadenoma, Multiple | X X X X | 10 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Basal Cell Adenoma | | 1 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Skeletal Muscle | | 1 |
Carcinoma, Metastatic, Uterus | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 15
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| |
DAY ON TEST | 2| 2| 2| 2| 3| 2| 2| 2| 6| 7| 8| 2| 3| 2| 2| 2| 2| 2| 2| 2| 2| 4| 2| 2| 6| |
| 9| 9| 9| 9| 0| 9| 9| 9| 6| 0| 2| 9| 0| 9| 9| 9| 9| 9| 9| 9| 8| 2| 9| 9| 6| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A |
100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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| |
__________________________________________________________________________________________________________________________________
MUSCULOSKELETAL SYSTEM - cont | | |
| | |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Adenoma | X | 1 |
Carcinoma, Metastatic, Kidney | | 1 |
Carcinoma, Metastatic, Pancreas | | 2 |
Carcinoma, Metastatic, Uterus | | 1 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Pleura | | 1 |
Carcinoma, Metastatic, Kidney | | 1 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Zymbal's Gland | | 1 |
Carcinoma | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Pancreas | | 1 |
Leukemia Mononuclear | | 1 |
Transitional Epithelium, Carcinoma | | 1 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X | 16 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 16
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 4| 7|
DAY ON TEST | 2| 7| 0| 2| 0| 2| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 2| 6| 2| 2| 8| 2| 9| 1|
| 1| 3| 7| 9| 3| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 7| 9| 6| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
200 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|
| 6| 7| 8| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hepatocellular Adenoma | |
Leukemia Mononuclear | X X X X X X X X X X|
__________________________________________________________________________|
Mesentery | + + + + |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X|
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Tongue | |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X|
Pheochromocytoma Benign | |
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X |
__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
Pars Distalis, Adenoma | X X X X X X X X |
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
C-Cell, Adenoma | X |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | |
Bilateral, Adenoma | |
_____________________________________________________________________________________________________________________|
Page 17
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 4| 7|
DAY ON TEST | 2| 7| 0| 2| 0| 2| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 2| 6| 2| 2| 8| 2| 9| 1|
| 1| 3| 7| 9| 3| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 7| 9| 6| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
200 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|
| 6| 7| 8| 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 | |
| |
__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +|
Granulosa-Theca Tumor Malignant | |
__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Polyp Stromal | X X X X X X |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X|
__________________________________________________________________________|
Lymph Node | + + + +|
Bronchial, Leukemia Mononuclear | X|
Deep Cervical, Leukemia Mononuclear | X |
Iliac, Leukemia Mononuclear | X X |
Mediastinal, Leukemia Mononuclear | X X X|
Pancreatic, Leukemia Mononuclear | X X X|
Renal, Leukemia Mononuclear | X X X X|
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X|
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X|
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X|
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X|
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X |
Carcinoma | |
Fibroadenoma | X X X X X X X |
Fibroadenoma, Multiple | X X |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Adenoma | |
Carcinoma, Metastatic, Mammary Gland | |
Leukemia Mononuclear | X X X|
_____________________________________________________________________________________________________________________|
Page 18
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 4| 7|
DAY ON TEST | 2| 7| 0| 2| 0| 2| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 2| 6| 2| 2| 8| 2| 9| 1|
| 1| 3| 7| 9| 3| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 7| 9| 6| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
200 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|
| 6| 7| 8| 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 | |
| |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Eye | + |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X|
_____________________________________________________________________________________________________________________|
Page 19
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 5| 6| 7| 6| 6| 7| 5| 7| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 0| 9| 2| 2| 2| 1| 0| 2| 6| 2| 2| 7| 9| 2| 8| 2| 2| 0| 8| 2| 2| |
| 9| 9| 9| 9| 7| 8| 9| 1| 9| 1| 5| 9| 1| 4| 9| 1| 9| 9| 0| 9| 9| 0| 6| 9| 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 |
FISCHER 344 RATS 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 |
200 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hepatocellular Adenoma | X| 1 |
Leukemia Mononuclear | X X X X X X X X X | 19 |
__________________________________________________________________________|____________|
Mesentery | + + + | 7 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Tongue | + | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
Pheochromocytoma Benign | X | 1 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | | 1 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + M + + M + + + + + + + + + + + + + + + + + + +| 48 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
Pars Distalis, Adenoma | X X X X X X X X X X| 18 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
C-Cell, Adenoma | X | 2 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 20
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 5| 6| 7| 6| 6| 7| 5| 7| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 0| 9| 2| 2| 2| 1| 0| 2| 6| 2| 2| 7| 9| 2| 8| 2| 2| 0| 8| 2| 2| |
| 9| 9| 9| 9| 7| 8| 9| 1| 9| 1| 5| 9| 1| 4| 9| 1| 9| 9| 0| 9| 9| 0| 6| 9| 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 |
FISCHER 344 RATS 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 |
200 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma | X | 1 |
Bilateral, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Granulosa-Theca Tumor Malignant | X | 1 |
__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Polyp Stromal | X X X | 9 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X | 7 |
__________________________________________________________________________|____________|
Lymph Node | + + + + + + + + + + + | 15 |
Bronchial, Leukemia Mononuclear | | 1 |
Deep Cervical, Leukemia Mononuclear | | 1 |
Iliac, Leukemia Mononuclear | X X | 4 |
Mediastinal, Leukemia Mononuclear | X X X X | 7 |
Pancreatic, Leukemia Mononuclear | X X X | 6 |
Renal, Leukemia Mononuclear | X | 5 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 9 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 8 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X | 22 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 9 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | | 1 |
Carcinoma | X | 1 |
Fibroadenoma | X X X X X X X| 14 |
Fibroadenoma, Multiple | X X X X | 6 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 21
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 5| 6| 7| 6| 6| 7| 5| 7| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 0| 9| 2| 2| 2| 1| 0| 2| 6| 2| 2| 7| 9| 2| 8| 2| 2| 0| 8| 2| 2| |
| 9| 9| 9| 9| 7| 8| 9| 1| 9| 1| 5| 9| 1| 4| 9| 1| 9| 9| 0| 9| 9| 0| 6| 9| 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 |
FISCHER 344 RATS 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 |
200 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| L |
| 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 | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Adenoma | X | 1 |
Carcinoma, Metastatic, Mammary Gland | X | 1 |
Leukemia Mononuclear | X X X X | 7 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Eye | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 2 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X | 22 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 22
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 5| 6| 6| 7| 7| 5| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 2| 1| 1| 7| 2| 2| 0| 2| 5| 3| 2| 2| 8| 2| 2| 0| 0| 2| 2| 2| 2| 2| 2| 2| 1|
| 9| 1| 6| 3| 9| 9| 3| 9| 7| 0| 9| 9| 9| 9| 9| 5| 8| 9| 9| 9| 9| 9| 9| 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|
FISCHER 344 RATS 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|
400 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X|
__________________________________________________________________________|
Mesentery | + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Oral Mucosa | + + |
Pharyngeal, Squamous Cell Papilloma | X |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
Acinus, Adenoma | |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Tongue | |
Squamous Cell Papilloma | |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X|
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
Pars Distalis, Adenoma | X X X X X X X X |
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
Page 23
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 5| 6| 6| 7| 7| 5| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 2| 1| 1| 7| 2| 2| 0| 2| 5| 3| 2| 2| 8| 2| 2| 0| 0| 2| 2| 2| 2| 2| 2| 2| 1|
| 9| 1| 6| 3| 9| 9| 3| 9| 7| 0| 9| 9| 9| 9| 9| 5| 8| 9| 9| 9| 9| 9| 9| 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|
FISCHER 344 RATS 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|
400 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Clitoral Gland | + + + + + + + M + + + + + + + + + + + + + + + + +|
Adenoma | |
Carcinoma | X |
__________________________________________________________________________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
Polyp Stromal | X X X X |
Polyp Stromal, Multiple | X |
__________________________________________________________________________|
Vagina | |
Lipoma | |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Lymph Node | + + + + + + +|
Axillary, Leukemia Mononuclear | |
Iliac, Leukemia Mononuclear | X X |
Mediastinal, Leukemia Mononuclear | X X X X|
Pancreatic, Leukemia Mononuclear | X |
Renal, Leukemia Mononuclear | X X X X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X|
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X|
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X|
Lymphoma Malignant | X |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | X |
Fibroadenoma | X X X X X X X X X X |
Fibroadenoma, Multiple | |
Leukemia Mononuclear | |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Keratoacanthoma | X |
Trichoepithelioma | X |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
_____________________________________________________________________________________________________________________|
Page 24
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 5| 6| 6| 7| 7| 5| 7| 4| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7|
DAY ON TEST | 2| 1| 1| 7| 2| 2| 0| 2| 5| 3| 2| 2| 8| 2| 2| 0| 0| 2| 2| 2| 2| 2| 2| 2| 1|
| 9| 1| 6| 3| 9| 9| 3| 9| 7| 0| 9| 9| 9| 9| 9| 5| 8| 9| 9| 9| 9| 9| 9| 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|
FISCHER 344 RATS 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|
400 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM - cont | |
| |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X|
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Adenoma | |
Carcinoma, Metastatic, Clitoral Gland| X |
Leukemia Mononuclear | X X X|
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Eye | + + |
__________________________________________________________________________|
Zymbal's Gland | |
Carcinoma | |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X|
Lymphoma Malignant | X |
_____________________________________________________________________________________________________________________|
Page 25
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 6| 7| 6| 3| 7| 6| 6| 6| 6| 7| 6| 6| 6| 5| 6| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| |
DAY ON TEST | 7| 2| 3| 8| 2| 0| 4| 2| 2| 2| 0| 8| 3| 8| 9| 2| 2| 2| 4| 2| 2| 2| 8| 3| 2| |
| 2| 9| 9| 0| 9| 3| 9| 5| 8| 9| 5| 7| 4| 3| 2| 9| 9| 9| 1| 9| 9| 9| 4| 6| 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 |
FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
400 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X | 4 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X X X X X X | 23 |
__________________________________________________________________________|____________|
Mesentery | + + + + + + | 12 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Oral Mucosa | | 2 |
Pharyngeal, Squamous Cell Papilloma | | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 2 |
Acinus, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 2 |
__________________________________________________________________________|____________|
Tongue | + + | 2 |
Squamous Cell Papilloma | X | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X | 4 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 2 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X X X X | 6 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 26
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 6| 7| 6| 3| 7| 6| 6| 6| 6| 7| 6| 6| 6| 5| 6| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| |
DAY ON TEST | 7| 2| 3| 8| 2| 0| 4| 2| 2| 2| 0| 8| 3| 8| 9| 2| 2| 2| 4| 2| 2| 2| 8| 3| 2| |
| 2| 9| 9| 0| 9| 3| 9| 5| 8| 9| 5| 7| 4| 3| 2| 9| 9| 9| 1| 9| 9| 9| 4| 6| 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 |
FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
400 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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 | | |
| | |
Leukemia Mononuclear | X X X | 4 |
Pars Distalis, Adenoma | X X X X X X X | 15 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Adenoma | X | 1 |
Carcinoma | X | 2 |
__________________________________________________________________________|____________|
Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 2 |
__________________________________________________________________________|____________|
Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 2 |
Polyp Stromal | X X X | 7 |
Polyp Stromal, Multiple | | 1 |
__________________________________________________________________________|____________|
Vagina | + | 1 |
Lipoma | X | 1 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X | 5 |
__________________________________________________________________________|____________|
Lymph Node | + + + + + + + + + + + + | 19 |
Axillary, Leukemia Mononuclear | X X | 2 |
Iliac, Leukemia Mononuclear | X X | 4 |
Mediastinal, Leukemia Mononuclear | X X X X X X X X | 12 |
Pancreatic, Leukemia Mononuclear | X X X X | 5 |
Renal, Leukemia Mononuclear | X X X X X X | 10 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 7 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X | 12 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X X X X X | 21 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 10 |
Lymphoma Malignant | | 1 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 27
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 6| 7| 6| 3| 7| 6| 6| 6| 6| 7| 6| 6| 6| 5| 6| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| |
DAY ON TEST | 7| 2| 3| 8| 2| 0| 4| 2| 2| 2| 0| 8| 3| 8| 9| 2| 2| 2| 4| 2| 2| 2| 8| 3| 2| |
| 2| 9| 9| 0| 9| 3| 9| 5| 8| 9| 5| 7| 4| 3| 2| 9| 9| 9| 1| 9| 9| 9| 4| 6| 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 |
FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
400 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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| |
__________________________________________________________________________________________________________________________________
INTEGUMENTARY SYSTEM - cont | | |
| | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma | | 1 |
Fibroadenoma | X X X X X X X X| 18 |
Fibroadenoma, Multiple | X X | 2 |
Leukemia Mononuclear | X X | 2 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Keratoacanthoma | | 1 |
Trichoepithelioma | | 1 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X | 6 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Adenoma | X X | 2 |
Carcinoma, Metastatic, Clitoral Gland| | 1 |
Leukemia Mononuclear | X X X X | 7 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X | 4 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Eye | | 2 |
__________________________________________________________________________|____________|
Zymbal's Gland | +| 1 |
Carcinoma | X| 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X | 5 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 28
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 6| 7| 6| 3| 7| 6| 6| 6| 6| 7| 6| 6| 6| 5| 6| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| |
DAY ON TEST | 7| 2| 3| 8| 2| 0| 4| 2| 2| 2| 0| 8| 3| 8| 9| 2| 2| 2| 4| 2| 2| 2| 8| 3| 2| |
| 2| 9| 9| 0| 9| 3| 9| 5| 8| 9| 5| 7| 4| 3| 2| 9| 9| 9| 1| 9| 9| 9| 4| 6| 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 |
FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A |
400 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| L |
| 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| |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS - cont | | |
| | |
Leukemia Mononuclear | X X X X X X X X X X X X X X | 23 |
Lymphoma Malignant | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 29
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 7| 6| 7| 7| 6| 7| 7| 6| 5| 3| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 4| 7| 3|
DAY ON TEST | 9| 9| 1| 4| 1| 2| 0| 2| 2| 0| 9| 8| 1| 2| 7| 1| 2| 2| 6| 2| 2| 0| 7| 2| 0|
| 5| 2| 9| 0| 8| 2| 4| 2| 2| 2| 5| 8| 9| 2| 9| 8| 2| 2| 7| 2| 2| 1| 3| 2| 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|
FISCHER 344 RATS 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|
0 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + M + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | X |
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hepatocellular Adenoma | X |
Histiocytic Sarcoma | |
Leukemia Mononuclear | X X X X X X X X X X X X X X X X|
__________________________________________________________________________|
Mesentery | + + + + + + + + |
Leukemia Mononuclear | X |
Schwannoma Benign | X |
__________________________________________________________________________|
Oral Mucosa | + |
Pharyngeal, Squamous Cell Papilloma | X |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X |
Acinus, Adenoma | X |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
__________________________________________________________________________|
Tooth | + + |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
Pheochromocytoma Benign | X X X X |
Bilateral, Pheochromocytoma Benign | X X |
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X X |
_____________________________________________________________________________________________________________________|
Page 30
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 7| 6| 7| 7| 6| 7| 7| 6| 5| 3| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 4| 7| 3|
DAY ON TEST | 9| 9| 1| 4| 1| 2| 0| 2| 2| 0| 9| 8| 1| 2| 7| 1| 2| 2| 6| 2| 2| 0| 7| 2| 0|
| 5| 2| 9| 0| 8| 2| 4| 2| 2| 2| 5| 8| 9| 2| 9| 8| 2| 2| 7| 2| 2| 1| 3| 2| 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|
FISCHER 344 RATS 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|
0 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|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
| |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Pars Distalis, Adenoma | X X X X X X X |
Pars Intermedia, Adenoma | |
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
C-Cell, Adenoma | X X |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Mesothelioma Benign | |
__________________________________________________________________________|
Penis | |
__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X |
Carcinoma | X |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X |
Interstitial Cell, Adenoma | X X X X |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Histiocytic Sarcoma | |
Leukemia Mononuclear | X X X X X X X|
__________________________________________________________________________|
Lymph Node | + + + + + + + + + + +|
Axillary, Leukemia Mononuclear | |
Deep Cervical, Leukemia Mononuclear | X |
Iliac, Leukemia Mononuclear | X |
Mediastinal, Leukemia Mononuclear | X X X X X X|
Pancreatic, Leukemia Mononuclear | X X X X X X |
Renal, Leukemia Mononuclear | X X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X|
_____________________________________________________________________________________________________________________|
Page 31
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 7| 6| 7| 7| 6| 7| 7| 6| 5| 3| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 4| 7| 3|
DAY ON TEST | 9| 9| 1| 4| 1| 2| 0| 2| 2| 0| 9| 8| 1| 2| 7| 1| 2| 2| 6| 2| 2| 0| 7| 2| 0|
| 5| 2| 9| 0| 8| 2| 4| 2| 2| 2| 5| 8| 9| 2| 9| 8| 2| 2| 7| 2| 2| 1| 3| 2| 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|
FISCHER 344 RATS 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|
0 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 | |
| |
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X|
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + A + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X X X X|
Mesothelioma Malignant | |
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X|
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + M + + + + + +|
Fibroadenoma | X |
Leukemia Mononuclear | X X X X |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Keratoacanthoma | X X |
Leukemia Mononuclear | |
Squamous Cell Papilloma | X |
Subcutaneous Tissue, Fibroma | X |
Subcutaneous Tissue, Lipoma | X |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X|
__________________________________________________________________________|
Spinal Cord | + |
Nerve, Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Adenoma | |
Leukemia Mononuclear | X X X X X X X X|
Osteosarcoma, Metastatic, Nose | |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X|
Osteosarcoma | |
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Zymbal's Gland | + |
Carcinoma | X |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
_____________________________________________________________________________________________________________________|
Page 32
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 7| 6| 7| 7| 6| 7| 7| 6| 5| 3| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 4| 7| 3|
DAY ON TEST | 9| 9| 1| 4| 1| 2| 0| 2| 2| 0| 9| 8| 1| 2| 7| 1| 2| 2| 6| 2| 2| 0| 7| 2| 0|
| 5| 2| 9| 0| 8| 2| 4| 2| 2| 2| 5| 8| 9| 2| 9| 8| 2| 2| 7| 2| 2| 1| 3| 2| 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|
FISCHER 344 RATS 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|
0 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|
_____________________________________________________________________________________________________________________|
URINARY SYSTEM - cont | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X |
Renal Tubule, Adenoma | X |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Histiocytic Sarcoma | |
Leukemia Mononuclear | X X X X X X X X X X X X X X X X X|
Mesothelioma Benign | |
Mesothelioma Malignant | |
_____________________________________________________________________________________________________________________|
Page 33
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 6| 7| 6| 7| 7| 5| 7| 6| 6| 4| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 2| 2| 4| 2| 2| 7| 2| 5| 6| 3| 2| 2| 7| 1| 2| |
| 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 5| 2| 4| 2| 2| 1| 2| 6| 7| 4| 2| 2| 4| 5| 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 |
FISCHER 344 RATS 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 |
0 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 2 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hepatocellular Adenoma | | 1 |
Histiocytic Sarcoma | X | 1 |
Leukemia Mononuclear | X X X X X X X X X X X X| 28 |
__________________________________________________________________________|____________|
Mesentery | + + +| 11 |
Leukemia Mononuclear | | 1 |
Schwannoma Benign | | 1 |
__________________________________________________________________________|____________|
Oral Mucosa | | 1 |
Pharyngeal, Squamous Cell Papilloma | | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 7 |
Acinus, Adenoma | X | 2 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 2 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 3 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 4 |
__________________________________________________________________________|____________|
Tooth | | 2 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 5 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 4 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 34
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 6| 7| 6| 7| 7| 5| 7| 6| 6| 4| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 2| 2| 4| 2| 2| 7| 2| 5| 6| 3| 2| 2| 7| 1| 2| |
| 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 5| 2| 4| 2| 2| 1| 2| 6| 7| 4| 2| 2| 4| 5| 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 |
FISCHER 344 RATS 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 |
0 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 | | |
| | |
Leukemia Mononuclear | X | 4 |
Pheochromocytoma Benign | X X X X X X X| 11 |
Bilateral, Pheochromocytoma Benign | X X X X | 6 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | X X | 4 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 3 |
Pars Distalis, Adenoma | X X X X X X X X X | 16 |
Pars Intermedia, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
C-Cell, Adenoma | | 2 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 |
Leukemia Mononuclear | | 1 |
Mesothelioma Benign | X | 1 |
__________________________________________________________________________|____________|
Penis | + | 1 |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | X X | 3 |
Carcinoma | X X X X| 5 |
Leukemia Mononuclear | X | 2 |
__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 |
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X| 33 |
Interstitial Cell, Adenoma | X X X X X | 9 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Histiocytic Sarcoma | X | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 35
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 6| 7| 6| 7| 7| 5| 7| 6| 6| 4| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 2| 2| 4| 2| 2| 7| 2| 5| 6| 3| 2| 2| 7| 1| 2| |
| 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 5| 2| 4| 2| 2| 1| 2| 6| 7| 4| 2| 2| 4| 5| 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 |
FISCHER 344 RATS 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 |
0 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 | | |
| | |
Leukemia Mononuclear | X X X X X | 12 |
__________________________________________________________________________|____________|
Lymph Node | + + + + + + + + + | 20 |
Axillary, Leukemia Mononuclear | X X | 2 |
Deep Cervical, Leukemia Mononuclear | X X | 3 |
Iliac, Leukemia Mononuclear | X X | 3 |
Mediastinal, Leukemia Mononuclear | X X X | 9 |
Pancreatic, Leukemia Mononuclear | X X X | 9 |
Renal, Leukemia Mononuclear | X X X X X X | 8 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X | 17 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X | 17 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X X X X X X X X X X X X| 28 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X | 11 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Fibroadenoma | X X X | 4 |
Leukemia Mononuclear | X | 5 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Keratoacanthoma | X X X X | 6 |
Leukemia Mononuclear | X | 1 |
Squamous Cell Papilloma | X X X | 4 |
Subcutaneous Tissue, Fibroma | X X X | 4 |
Subcutaneous Tissue, Lipoma | | 1 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 9 |
__________________________________________________________________________|____________|
Spinal Cord | | 1 |
Nerve, Leukemia Mononuclear | | 1 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 36
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 6| 7| 6| 7| 7| 5| 7| 6| 6| 4| 7| 7| 5| 7| 7| |
DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 2| 2| 4| 2| 2| 7| 2| 5| 6| 3| 2| 2| 7| 1| 2| |
| 2| 2| 2| 2| 2| 2| 2| 2| 8| 2| 5| 2| 4| 2| 2| 1| 2| 6| 7| 4| 2| 2| 4| 5| 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 |
FISCHER 344 RATS 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 |
0 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Adenoma | X | 1 |
Leukemia Mononuclear | X X X X | 12 |
Osteosarcoma, Metastatic, Nose | X | 1 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 5 |
Osteosarcoma | X | 1 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Zymbal's Gland | | 1 |
Carcinoma | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X | 10 |
Renal Tubule, Adenoma | | 1 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Histiocytic Sarcoma | X | 1 |
Leukemia Mononuclear | X X X X X X X X X X X X| 29 |
Mesothelioma Benign | X | 1 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 37
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 6| 7| 7| 4| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 5| 7| 6| 6| 6| 6| 7|
DAY ON TEST | 2| 6| 4| 2| 2| 6| 2| 2| 9| 6| 2| 4| 2| 2| 2| 8| 6| 2| 9| 0| 2| 0| 6| 6| 1|
| 2| 6| 1| 2| 2| 6| 2| 2| 8| 5| 2| 2| 2| 2| 2| 2| 6| 2| 8| 0| 8| 7| 6| 5| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
Mesothelioma Malignant | |
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X|
Mesothelioma Malignant | |
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Mesothelioma Malignant | |
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Mesothelioma Malignant | |
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
Mesothelioma Malignant | |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hepatocellular Adenoma | X |
Leukemia Mononuclear | X X X X X X X X X X X X X X X X X X X X X|
Mesothelioma Malignant | |
__________________________________________________________________________|
Mesentery | + + + + + + + |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X|
Mesothelioma Malignant | |
Acinus, Adenoma | |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Mesothelioma Malignant | |
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
Mesothelioma Malignant | |
__________________________________________________________________________|
Tooth | + |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | X |
Leukemia Mononuclear | X X X |
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
_____________________________________________________________________________________________________________________|
Page 38
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 6| 7| 7| 4| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 5| 7| 6| 6| 6| 6| 7|
DAY ON TEST | 2| 6| 4| 2| 2| 6| 2| 2| 9| 6| 2| 4| 2| 2| 2| 8| 6| 2| 9| 0| 2| 0| 6| 6| 1|
| 2| 6| 1| 2| 2| 6| 2| 2| 8| 5| 2| 2| 2| 2| 2| 2| 6| 2| 8| 0| 8| 7| 6| 5| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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 | |
| |
Pheochromocytoma Benign | X |
Bilateral, Pheochromocytoma Benign | |
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X X |
__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
Pars Distalis, Adenoma | X X X X X X X X |
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Bilateral, C-Cell, Adenoma | |
C-Cell, Carcinoma | X |
Follicular Cell, Adenoma | X |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Mesothelioma Malignant | |
__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma | X X |
__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
Mesothelioma Malignant | |
__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Mesothelioma Malignant | |
__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Mesothelioma Malignant | |
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X X X X|
Interstitial Cell, Adenoma | X X X |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X|
__________________________________________________________________________|
Lymph Node | + + + + + + + + + + + + + +|
Axillary, Leukemia Mononuclear | |
Iliac, Leukemia Mononuclear | X X |
Mediastinal, Leukemia Mononuclear | X X X X X X X |
Pancreatic, Leukemia Mononuclear | X X X X X|
Renal, Leukemia Mononuclear | X X X X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X |
_____________________________________________________________________________________________________________________|
Page 39
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 6| 7| 7| 4| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 5| 7| 6| 6| 6| 6| 7|
DAY ON TEST | 2| 6| 4| 2| 2| 6| 2| 2| 9| 6| 2| 4| 2| 2| 2| 8| 6| 2| 9| 0| 2| 0| 6| 6| 1|
| 2| 6| 1| 2| 2| 6| 2| 2| 8| 5| 2| 2| 2| 2| 2| 2| 6| 2| 8| 0| 8| 7| 6| 5| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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 | |
| |
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X |
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X X X X X X X X X|
Mesothelioma Malignant | |
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + M + + + + + + + + + + + + + + + +|
Carcinoma | X |
Fibroadenoma | X |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Keratoacanthoma | X X|
Mesothelioma Malignant | |
Squamous Cell Papilloma | X |
Trichoepithelioma | |
Subcutaneous Tissue, Fibroma | X |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Skeletal Muscle | |
Mesothelioma Malignant | |
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X |
Oligodendroglioma Malignant | |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Carcinoma, Metastatic, Mammary Gland | X |
Carcinoma, Metastatic, Zymbal's Gland| |
Leukemia Mononuclear | X X X X X X |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
Respiratory Epithelium, Squamous | |
Cell Carcinoma | |
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Eye | |
_____________________________________________________________________________________________________________________|
Page 40
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 6| 6| 7| 7| 4| 7| 7| 6| 6| 7| 6| 7| 7| 7| 6| 6| 7| 5| 7| 6| 6| 6| 6| 7|
DAY ON TEST | 2| 6| 4| 2| 2| 6| 2| 2| 9| 6| 2| 4| 2| 2| 2| 8| 6| 2| 9| 0| 2| 0| 6| 6| 1|
| 2| 6| 1| 2| 2| 6| 2| 2| 8| 5| 2| 2| 2| 2| 2| 2| 6| 2| 8| 0| 8| 7| 6| 5| 8|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM - cont | |
| |
__________________________________________________________________________|
Zymbal's Gland | |
Carcinoma | |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X |
Mesenchymal Tumor Malignant | |
Renal Tubule, Carcinoma | |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Mesothelioma Malignant | |
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X X X X X X X X X|
Mesothelioma Malignant | |
_____________________________________________________________________________________________________________________|
Page 41
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 7| 7| 4| 6| 6| 7| 5| 4| 6| |
DAY ON TEST | 2| 3| 2| 0| 2| 0| 0| 0| 2| 2| 2| 1| 2| 2| 6| 6| 2| 2| 4| 7| 7| 2| 5| 5| 2| |
| 2| 8| 2| 4| 2| 4| 8| 1| 2| 2| 2| 8| 2| 5| 7| 4| 2| 2| 4| 7| 3| 2| 3| 5| 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 |
FISCHER 344 RATS 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| 1| A |
100 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + M + + + M + + + + +| 48 |
Leukemia Mononuclear | X | 1 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + M + + + M + + + + +| 48 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Leukemia Mononuclear | | 1 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Leukemia Mononuclear | X X | 5 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 |
Hepatocellular Adenoma | | 1 |
Leukemia Mononuclear | X X X X X X X X X X| 31 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Mesentery | + + + + + + + | 14 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + M + + + M + + + + + + + + +| 48 |
Leukemia Mononuclear | X X X X | 7 |
Mesothelioma Malignant | X | 1 |
Acinus, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 |
Leukemia Mononuclear | X | 1 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Tooth | | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X| 6 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 42
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 7| 7| 4| 6| 6| 7| 5| 4| 6| |
DAY ON TEST | 2| 3| 2| 0| 2| 0| 0| 0| 2| 2| 2| 1| 2| 2| 6| 6| 2| 2| 4| 7| 7| 2| 5| 5| 2| |
| 2| 8| 2| 4| 2| 4| 8| 1| 2| 2| 2| 8| 2| 5| 7| 4| 2| 2| 4| 7| 3| 2| 3| 5| 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 |
FISCHER 344 RATS 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| 1| A |
100 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 |
Carcinoma | | 1 |
Leukemia Mononuclear | | 3 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 |
Leukemia Mononuclear | X | 4 |
Pheochromocytoma Benign | X | 2 |
Bilateral, Pheochromocytoma Benign | X | 1 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + M + + + M + + + + + + + + +| 48 |
Adenoma | | 2 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X| 3 |
Pars Distalis, Adenoma | X X X X X | 13 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Bilateral, C-Cell, Adenoma | X | 1 |
C-Cell, Carcinoma | | 1 |
Follicular Cell, Adenoma | X | 2 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 |
Leukemia Mononuclear | | 1 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + M + + M + + + + + + + M + + + + +| 47 |
Carcinoma | | 2 |
__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + M + + + M + + + + +| 48 |
Leukemia Mononuclear | X X X| 5 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Leukemia Mononuclear | X | 2 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 |
Mesothelioma Malignant | X | 1 |
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X| 35 |
Interstitial Cell, Adenoma | X X X X X | 8 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 43
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 7| 7| 4| 6| 6| 7| 5| 4| 6| |
DAY ON TEST | 2| 3| 2| 0| 2| 0| 0| 0| 2| 2| 2| 1| 2| 2| 6| 6| 2| 2| 4| 7| 7| 2| 5| 5| 2| |
| 2| 8| 2| 4| 2| 4| 8| 1| 2| 2| 2| 8| 2| 5| 7| 4| 2| 2| 4| 7| 3| 2| 3| 5| 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 |
FISCHER 344 RATS 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| 1| A |
100 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 13 |
__________________________________________________________________________|____________|
Lymph Node | + + + + + + + + + + +| 25 |
Axillary, Leukemia Mononuclear | X | 1 |
Iliac, Leukemia Mononuclear | X X X | 5 |
Mediastinal, Leukemia Mononuclear | X X X X X X X| 14 |
Pancreatic, Leukemia Mononuclear | X X X X| 9 |
Renal, Leukemia Mononuclear | X X X X X X| 10 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X| 17 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Leukemia Mononuclear | X X X X X X| 16 |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + M + + + M + + + + + + + + +| 48 |
Leukemia Mononuclear | X X X X X X X X X X X| 32 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________|____________|
Thymus | + + M + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X X X X X| 15 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| 48 |
Carcinoma | | 1 |
Fibroadenoma | X X | 3 |
Leukemia Mononuclear | X | 2 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Keratoacanthoma | X X | 4 |
Mesothelioma Malignant | X | 1 |
Squamous Cell Papilloma | | 1 |
Trichoepithelioma | X | 1 |
Subcutaneous Tissue, Fibroma | X | 2 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Skeletal Muscle | + | 1 |
Mesothelioma Malignant | X | 1 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 6 |
Oligodendroglioma Malignant | X | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 44
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 7| 7| 4| 6| 6| 7| 5| 4| 6| |
DAY ON TEST | 2| 3| 2| 0| 2| 0| 0| 0| 2| 2| 2| 1| 2| 2| 6| 6| 2| 2| 4| 7| 7| 2| 5| 5| 2| |
| 2| 8| 2| 4| 2| 4| 8| 1| 2| 2| 2| 8| 2| 5| 7| 4| 2| 2| 4| 7| 3| 2| 3| 5| 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 |
FISCHER 344 RATS 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| 1| A |
100 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| |
__________________________________________________________________________________________________________________________________
NERVOUS SYSTEM - cont | | |
| | |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Carcinoma, Metastatic, Mammary Gland | | 1 |
Carcinoma, Metastatic, Zymbal's Gland| X | 1 |
Leukemia Mononuclear | X X X X X| 11 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 3 |
Respiratory Epithelium, Squamous | | |
Cell Carcinoma | X | 1 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 1 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Eye | + | 1 |
__________________________________________________________________________|____________|
Zymbal's Gland | + | 1 |
Carcinoma | X | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + M + + + M + + + + + + + + +| 48 |
Leukemia Mononuclear | X X X X| 8 |
Mesenchymal Tumor Malignant | X | 1 |
Renal Tubule, Carcinoma | X | 1 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + M + + + M + + + M + + + + +| 47 |
Leukemia Mononuclear | X X X| 4 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X X X| 32 |
Mesothelioma Malignant | X | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 45
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 7| 7| 5| 7| 7| 7| 5| 6| 7| 7| 7| 5| 7| 5| 6| 2| 7| 7| 6| 7| 7| 5| 7| 7|
DAY ON TEST | 2| 2| 2| 8| 2| 2| 2| 9| 4| 2| 2| 2| 8| 0| 2| 7| 6| 0| 2| 6| 0| 2| 3| 2| 2|
| 2| 2| 2| 9| 2| 2| 2| 6| 4| 2| 2| 2| 0| 8| 5| 9| 9| 0| 2| 9| 0| 2| 4| 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|
FISCHER 344 RATS 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|
200 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +|
Lipoma | |
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Lipoma | X |
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Hepatocellular Carcinoma | |
Leukemia Mononuclear | X X X X X X X X X X|
__________________________________________________________________________|
Mesentery | + + + + |
__________________________________________________________________________|
Oral Mucosa | |
Pharyngeal, Squamous Cell Papilloma | |
__________________________________________________________________________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
Acinus, Adenoma | |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | |
Squamous Cell Papilloma | X |
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Tooth | + |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X|
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X |
Pheochromocytoma Benign | X X X X|
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X|
__________________________________________________________________________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Pars Distalis, Adenoma | X X X X X X X X|
__________________________________________________________________________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
Page 46
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 7| 7| 5| 7| 7| 7| 5| 6| 7| 7| 7| 5| 7| 5| 6| 2| 7| 7| 6| 7| 7| 5| 7| 7|
DAY ON TEST | 2| 2| 2| 8| 2| 2| 2| 9| 4| 2| 2| 2| 8| 0| 2| 7| 6| 0| 2| 6| 0| 2| 3| 2| 2|
| 2| 2| 2| 9| 2| 2| 2| 6| 4| 2| 2| 2| 0| 8| 5| 9| 9| 0| 2| 9| 0| 2| 4| 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|
FISCHER 344 RATS 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|
200 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|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM - cont | |
| |
C-Cell, Adenoma | X |
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +|
Mesothelioma Benign | |
__________________________________________________________________________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Adenoma | X X X X X X|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +|
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X X|
Interstitial Cell, Adenoma | X X X |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X|
Melanoma Malignant, Metastatic, Skin | |
__________________________________________________________________________|
Lymph Node | + + + + + + + + + +|
Axillary, Leukemia Mononuclear | X |
Deep Cervical, Leukemia Mononuclear | X |
Iliac, Leukemia Mononuclear | X X X X X X |
Mediastinal, Leukemia Mononuclear | X X X X X X |
Pancreatic, Leukemia Mononuclear | X X X X X X |
Renal, Leukemia Mononuclear | X X X X X X X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X|
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X |
__________________________________________________________________________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X|
__________________________________________________________________________|
Thymus | + + + + M + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Fibroadenoma | |
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
Page 47
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 7| 7| 7| 5| 7| 7| 7| 5| 6| 7| 7| 7| 5| 7| 5| 6| 2| 7| 7| 6| 7| 7| 5| 7| 7|
DAY ON TEST | 2| 2| 2| 8| 2| 2| 2| 9| 4| 2| 2| 2| 8| 0| 2| 7| 6| 0| 2| 6| 0| 2| 3| 2| 2|
| 2| 2| 2| 9| 2| 2| 2| 6| 4| 2| 2| 2| 0| 8| 5| 9| 9| 0| 2| 9| 0| 2| 4| 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|
FISCHER 344 RATS 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|
200 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|
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM - cont | |
| |
Keratoacanthoma | X |
Keratoacanthoma, Multiple | X |
Squamous Cell Papilloma | |
Pinna, Melanoma Malignant | |
Subcutaneous Tissue, Fibroma | X X X |
Subcutaneous Tissue, Lipoma | X |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Carcinoma | X X |
Leukemia Mononuclear | X X X X X X |
Melanoma Malignant, Metastatic, Skin | |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Zymbal's Gland | |
Carcinoma | |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X |
Renal Tubule, Adenoma | |
Renal Tubule, Adenoma, Multiple | X |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X|
Mesothelioma Benign | |
_____________________________________________________________________________________________________________________|
Page 48
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 6| 5| 6| 5| 6| |
DAY ON TEST | 2| 2| 2| 6| 4| 4| 2| 8| 4| 2| 2| 1| 8| 2| 2| 2| 3| 2| 2| 2| 0| 3| 7| 2| 2| |
| 2| 2| 2| 2| 8| 8| 2| 5| 0| 2| 2| 9| 6| 2| 2| 2| 2| 2| 2| 2| 9| 8| 3| 9| 7| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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 |
200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Lipoma | X | 1 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
Lipoma | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Hepatocellular Carcinoma | X | 1 |
Leukemia Mononuclear | X X X X X X X X X X X X X X X X| 26 |
__________________________________________________________________________|____________|
Mesentery | + + + | 7 |
__________________________________________________________________________|____________|
Oral Mucosa | + + | 2 |
Pharyngeal, Squamous Cell Papilloma | X | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X| 4 |
Acinus, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X| 1 |
Squamous Cell Papilloma | | 1 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Tooth | | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 3 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 5 |
Pheochromocytoma Benign | X X X X X X X X X X | 14 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Adenoma | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 49
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 6| 5| 6| 5| 6| |
DAY ON TEST | 2| 2| 2| 6| 4| 4| 2| 8| 4| 2| 2| 1| 8| 2| 2| 2| 3| 2| 2| 2| 0| 3| 7| 2| 2| |
| 2| 2| 2| 2| 8| 8| 2| 5| 0| 2| 2| 9| 6| 2| 2| 2| 2| 2| 2| 2| 9| 8| 3| 9| 7| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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 |
200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 3 |
Pars Distalis, Adenoma | X X X X | 12 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
C-Cell, Adenoma | X X | 3 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 |
Mesothelioma Benign | X | 1 |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 |
Adenoma | X | 7 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X| 4 |
__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X| 2 |
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 |
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X X X| 37 |
Interstitial Cell, Adenoma | X X X | 6 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X | 9 |
Melanoma Malignant, Metastatic, Skin | X | 1 |
__________________________________________________________________________|____________|
Lymph Node | + + + + + + + + + +| 20 |
Axillary, Leukemia Mononuclear | | 1 |
Deep Cervical, Leukemia Mononuclear | X | 2 |
Iliac, Leukemia Mononuclear | X X | 8 |
Mediastinal, Leukemia Mononuclear | X X X X| 10 |
Pancreatic, Leukemia Mononuclear | X X X X X| 11 |
Renal, Leukemia Mononuclear | X X X X X X | 13 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X| 16 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X| 15 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 50
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 6| 5| 6| 5| 6| |
DAY ON TEST | 2| 2| 2| 6| 4| 4| 2| 8| 4| 2| 2| 1| 8| 2| 2| 2| 3| 2| 2| 2| 0| 3| 7| 2| 2| |
| 2| 2| 2| 2| 8| 8| 2| 5| 0| 2| 2| 9| 6| 2| 2| 2| 2| 2| 2| 2| 9| 8| 3| 9| 7| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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 |
200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X X X X X X X X| 25 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + M + + + + + +| 48 |
Leukemia Mononuclear | X X X X| 10 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Fibroadenoma | X X X X X X | 6 |
Leukemia Mononuclear | X | 3 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Keratoacanthoma | | 1 |
Keratoacanthoma, Multiple | | 1 |
Squamous Cell Papilloma | X | 1 |
Pinna, Melanoma Malignant | X | 1 |
Subcutaneous Tissue, Fibroma | X | 4 |
Subcutaneous Tissue, Lipoma | | 1 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + M + + + + + + + + + + +| 48 |
Leukemia Mononuclear | X X | 6 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Carcinoma | | 2 |
Leukemia Mononuclear | X X X| 9 |
Melanoma Malignant, Metastatic, Skin | X | 1 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Zymbal's Gland | + | 1 |
Carcinoma | X | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 51
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 7| 7| 6| 6| 6| 7| 5| 6| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 6| 5| 6| 5| 6| |
DAY ON TEST | 2| 2| 2| 6| 4| 4| 2| 8| 4| 2| 2| 1| 8| 2| 2| 2| 3| 2| 2| 2| 0| 3| 7| 2| 2| |
| 2| 2| 2| 2| 8| 8| 2| 5| 0| 2| 2| 9| 6| 2| 2| 2| 2| 2| 2| 2| 9| 8| 3| 9| 7| |
_____________________________________________________________________________________________________________________| 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 |
FISCHER 344 RATS 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 |
200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L |
| 6| 7| 8| 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 | | |
| | |
Leukemia Mononuclear | X X X| 6 |
Renal Tubule, Adenoma | X | 1 |
Renal Tubule, Adenoma, Multiple | | 1 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X| 4 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X X X X X X X X| 26 |
Mesothelioma Benign | X | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 52
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 6| 6| 1| 6| 7| 7| 7| 6| 6| 5| 4| 7| 5| 6| 7| 6| 6| 5| 6| 7| 6| 5| 6|
DAY ON TEST | 3| 1| 4| 2| 9| 5| 2| 0| 2| 8| 9| 6| 4| 2| 2| 7| 2| 8| 4| 4| 7| 2| 9| 1| 9|
| 4| 6| 7| 2| 4| 1| 2| 0| 2| 1| 7| 2| 4| 2| 3| 5| 2| 5| 4| 3| 2| 2| 1| 5| 7|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
400 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Colon | + + + + + + + M + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Large, Cecum | + + + + + + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
__________________________________________________________________________|
Intestine Small, Duodenum | + + + + + M + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Intestine Small, Jejunum | + + + + + M + M + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Intestine Small, Ileum | + + + + + M + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +|
Cholangiocarcinoma | |
Hepatocellular Adenoma | X X |
Hepatocellular Adenoma, Multiple | |
Leukemia Mononuclear | X X X X X X X X X X X X X|
__________________________________________________________________________|
Mesentery | + + + + + |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Pancreas | + + + + + + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X|
Acinus, Adenoma | |
__________________________________________________________________________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Forestomach | + + + + + + + M + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Stomach, Glandular | + + + + + + + M + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Tongue | + |
Squamous Cell Papilloma | X |
_____________________________________________________________________________________________________________________|
CARDIOVASCULAR SYSTEM | |
| |
__________________________________________________________________________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X|
_____________________________________________________________________________________________________________________|
ENDOCRINE SYSTEM | |
| |
__________________________________________________________________________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Pheochromocytoma Complex | |
Pheochromocytoma Benign | X X |
__________________________________________________________________________|
Islets, Pancreatic | + + + + + + + M + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Parathyroid Gland | + + + + M + + + + + + + + + + M + + + + + + + + +|
__________________________________________________________________________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Pars Distalis, Adenoma | X X X X X X X |
__________________________________________________________________________|
Thyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +|
C-Cell, Adenoma | X |
_____________________________________________________________________________________________________________________|
Page 53
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 6| 6| 1| 6| 7| 7| 7| 6| 6| 5| 4| 7| 5| 6| 7| 6| 6| 5| 6| 7| 6| 5| 6|
DAY ON TEST | 3| 1| 4| 2| 9| 5| 2| 0| 2| 8| 9| 6| 4| 2| 2| 7| 2| 8| 4| 4| 7| 2| 9| 1| 9|
| 4| 6| 7| 2| 4| 1| 2| 0| 2| 1| 7| 2| 4| 2| 3| 5| 2| 5| 4| 3| 2| 2| 1| 5| 7|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
400 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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|
_____________________________________________________________________________________________________________________|
GENERAL BODY SYSTEM | |
| |
None | |
_____________________________________________________________________________________________________________________|
GENITAL SYSTEM | |
| |
__________________________________________________________________________|
Epididymis | + M + + + + + M + + + + + + + + + + + + + + + + +|
__________________________________________________________________________|
Preputial Gland | + M + + + + + M + + + + + + + + + + + + + + + + +|
Adenoma | X |
Carcinoma | |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Prostate | + + + + + + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
Lymphoma Malignant | X |
__________________________________________________________________________|
Seminal Vesicle | + + + + + + + M + + + + + + + + + + + + + + + M +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Testes | + M + + + + + M + + + + + + + + + + + + + + + + +|
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X X X|
Interstitial Cell, Adenoma | X |
_____________________________________________________________________________________________________________________|
HEMATOPOIETIC SYSTEM | |
| |
__________________________________________________________________________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X|
__________________________________________________________________________|
Lymph Node | + + + + + + + + + + + |
Axillary, Leukemia Mononuclear | X |
Iliac, Leukemia Mononuclear | X X X |
Inguinal, Leukemia Mononuclear | X |
Lumbar, Leukemia Mononuclear | X |
Mediastinal, Leukemia Mononuclear | X X X X X |
Pancreatic, Leukemia Mononuclear | X X X |
Renal, Leukemia Mononuclear | X X X |
__________________________________________________________________________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X |
__________________________________________________________________________|
Lymph Node, Mesenteric | + + + + M + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X |
__________________________________________________________________________|
Spleen | + + + + + + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X|
__________________________________________________________________________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X |
Thymoma Benign | |
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM | |
| |
__________________________________________________________________________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + M + + + +|
Fibroadenoma | X X X |
Leukemia Mononuclear | X |
__________________________________________________________________________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +|
Basal Cell Adenoma | X |
_____________________________________________________________________________________________________________________|
Page 54
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
_____________________________________________________________________________________________________________________
| 6| 6| 6| 6| 1| 6| 7| 7| 7| 6| 6| 5| 4| 7| 5| 6| 7| 6| 6| 5| 6| 7| 6| 5| 6|
DAY ON TEST | 3| 1| 4| 2| 9| 5| 2| 0| 2| 8| 9| 6| 4| 2| 2| 7| 2| 8| 4| 4| 7| 2| 9| 1| 9|
| 4| 6| 7| 2| 4| 1| 2| 0| 2| 1| 7| 2| 4| 2| 3| 5| 2| 5| 4| 3| 2| 2| 1| 5| 7|
_____________________________________________________________________________________________________________________|
| 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|
FISCHER 344 RATS 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|
400 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7|
| 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|
_____________________________________________________________________________________________________________________|
INTEGUMENTARY SYSTEM - cont | |
| |
Keratoacanthoma | X |
Trichoepithelioma | |
Pinna, Melanoma Malignant | |
_____________________________________________________________________________________________________________________|
MUSCULOSKELETAL SYSTEM | |
| |
__________________________________________________________________________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
NERVOUS SYSTEM | |
| |
__________________________________________________________________________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X |
_____________________________________________________________________________________________________________________|
RESPIRATORY SYSTEM | |
| |
__________________________________________________________________________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +|
Alveolar/Bronchiolar Adenoma | X|
Leukemia Mononuclear | X X X X X X X X X |
__________________________________________________________________________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X |
__________________________________________________________________________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +|
_____________________________________________________________________________________________________________________|
SPECIAL SENSES SYSTEM | |
| |
__________________________________________________________________________|
Ear | |
__________________________________________________________________________|
Zymbal's Gland | + |
Carcinoma | X |
_____________________________________________________________________________________________________________________|
URINARY SYSTEM | |
| |
__________________________________________________________________________|
Kidney | + + + + + + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X|
Renal Tubule, Adenoma | X |
Renal Tubule, Adenoma, Multiple | X |
__________________________________________________________________________|
Urinary Bladder | + + + + + + + M + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X |
_____________________________________________________________________________________________________________________|
SYSTEMIC LESIONS | |
__________________________________________________________________________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +|
Leukemia Mononuclear | X X X X X X X X X X X X X X|
Lymphoma Malignant | X |
_____________________________________________________________________________________________________________________|
Page 55
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 4| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 5| 7| 7| 5| 7| 7| 5| 4| 7| |
DAY ON TEST | 1| 2| 2| 2| 7| 1| 2| 4| 2| 2| 2| 2| 7| 2| 9| 0| 8| 2| 1| 9| 2| 2| 2| 6| 2| |
| 9| 8| 2| 2| 0| 9| 2| 7| 2| 2| 2| 7| 6| 2| 1| 1| 4| 2| 7| 8| 2| 2| 0| 5| 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 |
FISCHER 344 RATS 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| 2| A |
400 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 |
__________________________________________________________________________|____________|
Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
__________________________________________________________________________|____________|
Intestine Large, Rectum | + + + + + + + M + + + + + + + + + + + + + + + + +| 49 |
__________________________________________________________________________|____________|
Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________|____________|
Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Intestine Small, Jejunum | + + + + + + + M + + + + + + + + + + + + + + + + +| 47 |
__________________________________________________________________________|____________|
Intestine Small, Ileum | + + + + + + + M + + + + + + + + + + + + + + + + +| 47 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Cholangiocarcinoma | X | 1 |
Hepatocellular Adenoma | | 2 |
Hepatocellular Adenoma, Multiple | X | 1 |
Leukemia Mononuclear | X X X X X X X X X X X X X | 26 |
__________________________________________________________________________|____________|
Mesentery | + + + | 8 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 2 |
Acinus, Adenoma | X | 1 |
__________________________________________________________________________|____________|
Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
__________________________________________________________________________|____________|
Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
__________________________________________________________________________|____________|
Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
__________________________________________________________________________|____________|
Tongue | | 1 |
Squamous Cell Papilloma | | 1 |
_____________________________________________________________________________________________________________________| |
CARDIOVASCULAR SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 4 |
_____________________________________________________________________________________________________________________| |
ENDOCRINE SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Adrenal Medulla | + + + + + + + + + + + + M + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X | 2 |
Pheochromocytoma Complex | X | 1 |
Pheochromocytoma Benign | X X | 4 |
__________________________________________________________________________|____________|
Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
__________________________________________________________________________|____________|
Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 56
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 4| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 5| 7| 7| 5| 7| 7| 5| 4| 7| |
DAY ON TEST | 1| 2| 2| 2| 7| 1| 2| 4| 2| 2| 2| 2| 7| 2| 9| 0| 8| 2| 1| 9| 2| 2| 2| 6| 2| |
| 9| 8| 2| 2| 0| 9| 2| 7| 2| 2| 2| 7| 6| 2| 1| 1| 4| 2| 7| 8| 2| 2| 0| 5| 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 |
FISCHER 344 RATS 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| 2| A |
400 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X | 3 |
Pars Distalis, Adenoma | X X X X | 11 |
__________________________________________________________________________|____________|
Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
C-Cell, Adenoma | X | 2 |
_____________________________________________________________________________________________________________________| |
GENERAL BODY SYSTEM | | |
| | |
None | | |
_____________________________________________________________________________________________________________________| |
GENITAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
__________________________________________________________________________|____________|
Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Adenoma | X | 2 |
Carcinoma | X | 1 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X | 2 |
Lymphoma Malignant | | 1 |
__________________________________________________________________________|____________|
Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X X X X X| 40 |
Interstitial Cell, Adenoma | X X | 3 |
_____________________________________________________________________________________________________________________| |
HEMATOPOIETIC SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X | 11 |
__________________________________________________________________________|____________|
Lymph Node | + + + + + + + + + + + + | 23 |
Axillary, Leukemia Mononuclear | | 1 |
Iliac, Leukemia Mononuclear | X X | 5 |
Inguinal, Leukemia Mononuclear | X | 2 |
Lumbar, Leukemia Mononuclear | | 1 |
Mediastinal, Leukemia Mononuclear | X X X X | 9 |
Pancreatic, Leukemia Mononuclear | X X | 5 |
Renal, Leukemia Mononuclear | X X X X | 7 |
__________________________________________________________________________|____________|
Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 11 |
__________________________________________________________________________|____________|
Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 |
Leukemia Mononuclear | X X X X | 9 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 57
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 4| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 5| 7| 7| 5| 7| 7| 5| 4| 7| |
DAY ON TEST | 1| 2| 2| 2| 7| 1| 2| 4| 2| 2| 2| 2| 7| 2| 9| 0| 8| 2| 1| 9| 2| 2| 2| 6| 2| |
| 9| 8| 2| 2| 0| 9| 2| 7| 2| 2| 2| 7| 6| 2| 1| 1| 4| 2| 7| 8| 2| 2| 0| 5| 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 |
FISCHER 344 RATS 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| 2| A |
400 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 | | |
| | |
__________________________________________________________________________|____________|
Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X X X X X X X X X X X X X | 26 |
__________________________________________________________________________|____________|
Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X | 11 |
Thymoma Benign | X | 1 |
_____________________________________________________________________________________________________________________| |
INTEGUMENTARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Fibroadenoma | X | 4 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Basal Cell Adenoma | | 1 |
Keratoacanthoma | X X X X | 5 |
Trichoepithelioma | X | 1 |
Pinna, Melanoma Malignant | X X | 2 |
_____________________________________________________________________________________________________________________| |
MUSCULOSKELETAL SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
NERVOUS SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X | 5 |
_____________________________________________________________________________________________________________________| |
RESPIRATORY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Alveolar/Bronchiolar Adenoma | X X X| 4 |
Leukemia Mononuclear | X X X | 12 |
__________________________________________________________________________|____________|
Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | | 1 |
__________________________________________________________________________|____________|
Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
_____________________________________________________________________________________________________________________| |
SPECIAL SENSES SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Ear | + + | 2 |
__________________________________________________________________________|____________|
Zymbal's Gland | | 1 |
Carcinoma | | 1 |
_____________________________________________________________________________________________________________________| |
URINARY SYSTEM | | |
| | |
__________________________________________________________________________|____________|
Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | X | 5 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 58
NTP Experiment-Test: 55301-05 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04
Study Type: CHRONIC PYRIDINE Date: 10/08/97
Route: DOSED WATER Time: 11:10:29
__________________________________________________________________________________________________________________________________
| 7| 4| 7| 7| 6| 7| 7| 6| 7| 7| 7| 6| 6| 7| 6| 6| 5| 7| 7| 5| 7| 7| 5| 4| 7| |
DAY ON TEST | 1| 2| 2| 2| 7| 1| 2| 4| 2| 2| 2| 2| 7| 2| 9| 0| 8| 2| 1| 9| 2| 2| 2| 6| 2| |
| 9| 8| 2| 2| 0| 9| 2| 7| 2| 2| 2| 7| 6| 2| 1| 1| 4| 2| 7| 8| 2| 2| 0| 5| 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 |
FISCHER 344 RATS 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| 2| A |
400 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L |
| 6| 7| 8| 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 | | |
| | |
Renal Tubule, Adenoma | X X X| 4 |
Renal Tubule, Adenoma, Multiple | X | 2 |
__________________________________________________________________________|____________|
Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 |
Leukemia Mononuclear | | 2 |
__________________________________________________________________________________________________________________________________
SYSTEMIC LESIONS | | |
__________________________________________________________________________|____________|
Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 |
Leukemia Mononuclear | X X X X X X X X X X X X X | 27 |
Lymphoma Malignant | | 1 |
__________________________________________________________________________________________________________________________________
* : Total animals with tissue examined microscopically; total animals with tumor
+ : Tissue examined microscopically M : Missing tissue
X : Lesion present A : Autolysis precludes evaluation
I : Insufficient tissue BLANK : Not examined microscopically
Page 59
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---------- END OF REPORT ----------
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