TR 395 Rat Pathology Tables
NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 Facility: TSI Mason Research Chemical CAS #: 57-66-9 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 9| 9| 3| 3| 2| 5| 3| | 5| 5| 2| 2| 0| 5| 6| 5| 4| 5| 5| 5| 5| 5| 5| 5| 6| 2| 3| 5| 5| 6| 9| 1| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + M M + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + M + + + + + + + + + + + + + + + +| Parasite | 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + M + + + + + +| Parasite | 1 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + M + + + + + +| Lymphoid Nodule, Hyperplasia | 1 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + M + + + + + +| Lymphoid Nodule, Hyperplasia | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 3 | Basophilic Focus | X X X X X 1 X X X X X 2 X X X X X| Cyst | X | Fatty Change, Diffuse | 2 2 2 | Fatty Change, Focal | 1 1 1 2 1 1 | Focal Cellular Change | | Hepatodiaphragmatic Nodule | X X | Mixed Cell Focus | X X X X | Necrosis | 1 | Pigmentation | 2 2 | Regeneration, Focal | | Bile Duct, Hyperplasia | 2 2 2 2 2 | __________________________________________________________________________| Mesentery | + + + + | Artery, Pigmentation | 2 | Artery, Thrombosis | 2 | Fat, Inflammation, Chronic Active | 2 | Fat, Mineralization | | Fat, Necrosis | 1 4 | Fat, Pigmentation | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | Acinus, Hyperplasia | 3 2 | Artery, Pigmentation | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Hypertrophy | | Acinus, Inflammation, Chronic Active | | Acinus, Necrosis | 1 1 | Duct, Inflammation, Chronic Active | 1 2 1 2 | Duct, Metaplasia, Squamous | 1 1 2 2 2 1 2 2 1| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 9| 9| 3| 3| 2| 5| 3| | 5| 5| 2| 2| 0| 5| 6| 5| 4| 5| 5| 5| 5| 5| 5| 5| 6| 2| 3| 5| 5| 6| 9| 1| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + M + + + + + + + + + + + + + + + + + +| Acanthosis | 1 | Hyperkeratosis | 2 | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Parathyroid Gland | + + + + M M + M + M + + + + M + + + + + M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 2 3 2 2 2 2 2 2 3 2 2| Pars Distalis, Cyst | X X X | Pars Distalis, Hyperplasia | 2 2 2 2 2 2 2 | Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | Abscess | 2 | Mineralization | 2 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + M + + M M + M + + + M + + M + + + + + M| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypoplasia | 3 | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 9| 9| 3| 3| 2| 5| 3| | 5| 5| 2| 2| 0| 5| 6| 5| 4| 5| 5| 5| 5| 5| 5| 5| 6| 2| 3| 5| 5| 6| 9| 1| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + M + + + + +| Mediastinal, Angiectasis | | Mediastinal, Infiltration Cellular, | | Plasma Cell | | Mediastinal, Infiltration Cellular, | | Histiocyte | 2 2 | Pancreatic, Depletion Lymphoid | 2 | Pancreatic, Hematopoietic Cell | | Proliferation | 2 | Pancreatic, Infiltration Cellular, | | Histiocyte | 2 | Renal, Angiectasis | 2 2 | Renal, Infiltration Cellular, | | Histiocyte | 2 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + M + + + + +| Angiectasis | 2 2 | Depletion Lymphoid | 2 | Infiltration Cellular, Histiocyte | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 2 2 | Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 3 2 2 2 2| Hemorrhage | 2 2 | Infiltration Cellular, Histiocyte | 2 2 3 | Necrosis | 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 2 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + M + + + + + + + + + + + + + M +| Galactocele | X X X X X X X X X X X X X X X X X X X| Acinus, Hyperplasia | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | Artery, Pigmentation | 2 | Artery, Thrombosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Brain Stem, Hemorrhage | 2 | Cerebrum, Necrosis | 2 | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| DAY ON TEST | 3| 3| 2| 9| 1| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 9| 9| 3| 3| 2| 5| 3| | 5| 5| 2| 2| 0| 5| 6| 5| 4| 5| 5| 5| 5| 5| 5| 5| 6| 2| 3| 5| 5| 6| 9| 1| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Medulla, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Embolus Tumor | X | Hemorrhage | 1 | Infiltration Cellular, Histiocyte | 1 | Alveolar Epithelium, Hyperplasia | | Mediastinum, Atypia Cellular | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + M + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | __________________________________________________________________________| Eye | + + + | Hemorrhage | | Lens, Cataract | 2 | __________________________________________________________________________| Harderian Gland | + + | Hyperplasia | 2 | Inflammation, Chronic Active | 1 | Pigmentation | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Hydronephrosis | 2 | Nephropathy | 1 2 2 1 3 1 2 1 2 1 1 1 1 1 1 2 1 2 2 1 1 1| Cortex, Mineralization | 1 | Papilla, Mineralization | 1 2 1 2 1 1 1 1 1 1 1 | Pelvis, Mineralization | 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1| Renal Tubule, Pigmentation | 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Acute | | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 7| 6| 5| 7| 6| 6| 6| 5| 7| 7| 7| 6| 5| 7| 7| 6| 7| 3| | DAY ON TEST | 3| 3| 7| 5| 3| 3| 3| 0| 6| 4| 3| 6| 7| 5| 7| 3| 3| 2| 2| 2| 3| 3| 4| 2| 5| | | 5| 6| 5| 2| 6| 5| 5| 4| 3| 4| 5| 3| 7| 2| 9| 5| 6| 0| 0| 9| 5| 5| 9| 2| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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| 4| 4| 4| 4| 4| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite | 1 | 2 1.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + M + + +| 48 | Parasite | | 1 1.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoid Nodule, Hyperplasia | 3 | 2 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + M| 48 | Lymphoid Nodule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 2 2.5| Basophilic Focus | X X X X X X X X X X X X X X X X X X| 36 1.5| Cyst | | 1 | Fatty Change, Diffuse | 2 2 3 2 2 | 8 2.1| Fatty Change, Focal | 1 1 1 | 10 1.2| Focal Cellular Change | X | 1 | Hepatodiaphragmatic Nodule | X X | 4 | Mixed Cell Focus | 2 | 5 2.0| Necrosis | | 1 1.0| Pigmentation | | 2 2.0| Regeneration, Focal | 2 | 1 2.0| Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 | 12 2.0| __________________________________________________________________________|____________| Mesentery | + + | 6 | Artery, Pigmentation | | 1 2.0| Artery, Thrombosis | | 1 2.0| Fat, Inflammation, Chronic Active | | 1 2.0| Fat, Mineralization | 1 | 1 1.0| Fat, Necrosis | 2 3 | 4 2.5| Fat, Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 2 | 1 2.0| Acinus, Hyperplasia | | 2 2.5| Artery, Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Hypertrophy | 1 1 | 2 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 6 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 7| 6| 5| 7| 6| 6| 6| 5| 7| 7| 7| 6| 5| 7| 7| 6| 7| 3| | DAY ON TEST | 3| 3| 7| 5| 3| 3| 3| 0| 6| 4| 3| 6| 7| 5| 7| 3| 3| 2| 2| 2| 3| 3| 4| 2| 5| | | 5| 6| 5| 2| 6| 5| 5| 4| 3| 4| 5| 3| 7| 2| 9| 5| 6| 0| 0| 9| 5| 5| 9| 2| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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| 4| 4| 4| 4| 4| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Acinus, Inflammation, Chronic Active | 1 | 1 1.0| Acinus, Necrosis | | 2 1.0| Duct, Inflammation, Chronic Active | 1 | 5 1.4| Duct, Metaplasia, Squamous | 1 1 1 1 1 1 1 1 2 | 18 1.3| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | 2 | 2 1.5| Hyperkeratosis | 2 | 2 2.0| Necrosis | 2 2 | 2 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 | 32 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + M +| 48 | Hyperplasia | 1 2 | 5 1.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + M + + + + + + + + M + + + + + M M + M + + + + M| 38 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 2 3 3 2 3 2 3 3 2 2 2 3| 24 2.3| Pars Distalis, Cyst | X X X X | 7 | Pars Distalis, Hyperplasia | 2 2 2 1 2 2 2 2 | 15 1.9| Pars Intermedia, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 1 1 2 1 | 8 1.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | Abscess | | 1 2.0| Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 7 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 7| 6| 5| 7| 6| 6| 6| 5| 7| 7| 7| 6| 5| 7| 7| 6| 7| 3| | DAY ON TEST | 3| 3| 7| 5| 3| 3| 3| 0| 6| 4| 3| 6| 7| 5| 7| 3| 3| 2| 2| 2| 3| 3| 4| 2| 5| | | 5| 6| 5| 2| 6| 5| 5| 4| 3| 4| 5| 3| 7| 2| 9| 5| 6| 0| 0| 9| 5| 5| 9| 2| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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| 4| 4| 4| 4| 4| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + M M + + + + + + + + + + + + M + M + M + M M| 36 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + | 23 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hypoplasia | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mediastinal, Angiectasis | 2 2 | 2 2.0| Mediastinal, Infiltration Cellular, | | | Plasma Cell | 3 | 1 3.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | 2 | 3 2.0| Pancreatic, Depletion Lymphoid | | 1 2.0| Pancreatic, Hematopoietic Cell | | | Proliferation | | 1 2.0| Pancreatic, Infiltration Cellular, | | | Histiocyte | 1 | 2 1.5| Renal, Angiectasis | 2 | 3 2.0| Renal, Infiltration Cellular, | | | Histiocyte | 2 | 4 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | | 2 2.0| Depletion Lymphoid | | 1 2.0| Infiltration Cellular, Histiocyte | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Depletion Lymphoid | 2 | 3 2.0| Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 2 2 2 2 2 2 2 2 2 3 2 1 2 2 1 2 2 3| 38 2.1| Hemorrhage | | 2 2.0| Infiltration Cellular, Histiocyte | 2 2 2 2 2 3 | 9 2.2| Necrosis | 2 | 2 2.5| __________________________________________________________________________|____________| Thymus | + + M + + + + + + + + + + + + + + + + + + + + + +| 49 | Depletion Lymphoid | | 2 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 7| 6| 5| 7| 6| 6| 6| 5| 7| 7| 7| 6| 5| 7| 7| 6| 7| 3| | DAY ON TEST | 3| 3| 7| 5| 3| 3| 3| 0| 6| 4| 3| 6| 7| 5| 7| 3| 3| 2| 2| 2| 3| 3| 4| 2| 5| | | 5| 6| 5| 2| 6| 5| 5| 4| 3| 4| 5| 3| 7| 2| 9| 5| 6| 0| 0| 9| 5| 5| 9| 2| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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| 4| 4| 4| 4| 4| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| 47 | Galactocele | X X X X X X X X X X X X X X X X X | 36 | Acinus, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Artery, Pigmentation | | 1 2.0| Artery, Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Brain Stem, Hemorrhage | | 1 2.0| Cerebrum, Necrosis | 3 | 2 2.5| Medulla, Hemorrhage | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 1 2 2 2 2 2 | 6 1.8| Embolus Tumor | | 1 | Hemorrhage | 2 | 2 1.5| Infiltration Cellular, Histiocyte | 2 2 | 3 1.7| Alveolar Epithelium, Hyperplasia | 2 2 | 2 2.0| Mediastinum, Atypia Cellular | | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 1 | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + + + +| 6 | __________________________________________________________________________|____________| Eye | + + + + + + + +| 11 | Hemorrhage | 2 | 1 2.0| Lens, Cataract | 2 2 | 3 2.0| __________________________________________________________________________|____________| Harderian Gland | + + + + | 6 | Hyperplasia | 2 | 2 2.0| Inflammation, Chronic Active | | 1 1.0| Pigmentation | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 7| 6| 5| 7| 6| 6| 6| 5| 7| 7| 7| 6| 5| 7| 7| 6| 7| 3| | DAY ON TEST | 3| 3| 7| 5| 3| 3| 3| 0| 6| 4| 3| 6| 7| 5| 7| 3| 3| 2| 2| 2| 3| 3| 4| 2| 5| | | 5| 6| 5| 2| 6| 5| 5| 4| 3| 4| 5| 3| 7| 2| 9| 5| 6| 0| 0| 9| 5| 5| 9| 2| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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| 4| 4| 4| 4| 4| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | FEMALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 2.0| Hydronephrosis | | 1 2.0| Nephropathy | 1 1 2 1 1 2 1 1 1 1 1 2 1 2 2 1 2 1 1 | 41 1.4| Cortex, Mineralization | 1 1 1 | 4 1.0| Papilla, Mineralization | 1 1 2 1 1 1 2 | 18 1.2| Pelvis, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 43 1.0| Renal Tubule, Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1| 48 1.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 2 | 2 2.0| Inflammation, Acute | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 10 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 9| 3| 3| 2| 2| 0| 3| 3| 3| 3| 3| 2| 3| 3| 0| 5| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 3| 4| 4| 2| 2| 8| 4| 4| 4| 3| 7| 9| 4| 4| 3| 1| 4| 4| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + | Parasite | 2 | __________________________________________________________________________| Intestine Small | + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + | Lymphoid Tissue, Hyperplasia | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + | Lymphoid Nodule, Hyperplasia | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X X X X X X X X X X X X | Clear Cell Focus | | Fatty Change, Diffuse | 2 | Fatty Change, Focal | 1 1 1 2| Hepatodiaphragmatic Nodule | X X X | Mixed Cell Focus | X X | Pigmentation | 2 | Bile Duct, Hyperplasia | 2 2 2 | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 2 | __________________________________________________________________________| Pancreas | + + + + + + | __________________________________________________________________________| Salivary Glands | + + + + + | Duct, Inflammation, Acute | 1 | Duct, Metaplasia, Squamous | 2 1 | __________________________________________________________________________| Stomach | + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + | Hyperkeratosis | | __________________________________________________________________________| Stomach, Glandular | + + + + | Hyperplasia | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + | Cardiomyopathy | 2 2 | Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + | Hyperplasia | 1 | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 9| 3| 3| 2| 2| 0| 3| 3| 3| 3| 3| 2| 3| 3| 0| 5| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 3| 4| 4| 2| 2| 8| 4| 4| 4| 3| 7| 9| 4| 4| 3| 1| 4| 4| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3 3 1 2 2 3 3 2 3 3 3 2| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | 2 1 2 2 2 2 | Pars Nervosa, Cyst | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 1 1 1 2 1 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + M + + M +| Hyperplasia | | Inflammation, Acute | | Necrosis | | __________________________________________________________________________| Ovary | + + + + + + | Cyst | | __________________________________________________________________________| Uterus | + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + | Lumbar, Infiltration Cellular, | | Plasma Cell | | Mandibular, Infiltration Cellular, | | Plasma Cell | 3 | Mediastinal, Infiltration Cellular, | | Plasma Cell | | Pancreatic, Infiltration Cellular, | | Histiocyte | | Renal, Infiltration Cellular, | | Histiocyte | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + | Angiectasis | 2 2 | Depletion Lymphoid | 2 | Infiltration Cellular, Histiocyte | 2 2 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + +| Angiectasis | | Depletion Lymphoid | | Hematopoietic Cell Proliferation | 1 2 2 | Hemorrhage | | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 9| 3| 3| 2| 2| 0| 3| 3| 3| 3| 3| 2| 3| 3| 0| 5| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 3| 4| 4| 2| 2| 8| 4| 4| 4| 3| 7| 9| 4| 4| 3| 1| 4| 4| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Infiltration Cellular, Histiocyte | 2 | Necrosis | | Pigmentation | 2 3 3 | __________________________________________________________________________| Thymus | + + + + + | Depletion Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + +| Galactocele | X X X X X | Acinus, Hyperplasia | 2 | __________________________________________________________________________| Skin | + + + + + | Acanthosis | 2 | Hyperkeratosis | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + | Inflammation, Acute | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + | Congestion | 2 2 2 2 | Hemorrhage | 1 | Inflammation, Chronic Active | | Alveolar Epithelium, Hyperplasia | 2 2 | __________________________________________________________________________| Nose | + + + + | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | __________________________________________________________________________| Eye | + + + + + + +| Synechia | | Lens, Cataract | 2 2 | Retina, Atrophy | 2 2 | __________________________________________________________________________| Harderian Gland | + | Pigmentation | 2 | __________________________________________________________________________| Lacrimal Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy | 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 2| Pigmentation | X | _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 9| 3| 3| 2| 2| 0| 3| 3| 3| 3| 3| 2| 3| 3| 0| 5| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 3| 4| 4| 2| 2| 8| 4| 4| 4| 3| 7| 9| 4| 4| 3| 1| 4| 4| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Cortex, Mineralization | 1 1 | Papilla, Mineralization | 1 1 1 1 | Pelvis, Mineralization | 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Renal Tubule, Pigmentation | 1 1 2 2 2 2 2 1 1 1 2 2 2 1 2 1 1 1 1 1 1 2 1 1| __________________________________________________________________________| Urinary Bladder | + M + + | Mineralization | | _____________________________________________________________________________________________________________________| Page 14 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 7| 7| 6| 5| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 7| 3| 3| 9| 9| 3| 3| 9| 9| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 2| 4| 4| 9| 7| 4| 4| 1| 2| 5| 4| 4| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large | + + + + +| 9 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + +| 9 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + +| 9 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + M +| 8 | Parasite | | 1 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + +| 11 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + +| 9 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + +| 10 | Lymphoid Tissue, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + +| 11 | Lymphoid Nodule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + +| 30 | Angiectasis | | 1 2.0| Basophilic Focus | X X X X X X X X | 20 | Clear Cell Focus | X | 1 | Fatty Change, Diffuse | 2 | 2 2.0| Fatty Change, Focal | 1 2 2| 7 1.4| Hepatodiaphragmatic Nodule | X X X X | 7 | Mixed Cell Focus | | 2 | Pigmentation | | 1 2.0| Bile Duct, Hyperplasia | 2 2 2 2 | 7 2.0| __________________________________________________________________________|____________| Mesentery | | 2 | Fat, Necrosis | | 2 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + +| 14 | __________________________________________________________________________|____________| Salivary Glands | + + + + +| 10 | Duct, Inflammation, Acute | | 1 1.0| Duct, Metaplasia, Squamous | | 2 1.5| __________________________________________________________________________|____________| Stomach | + + + + +| 9 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + +| 9 | Hyperkeratosis | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + +| 9 | Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + +| 9 | Cardiomyopathy | 2 | 3 2.0| Mineralization | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 7| 7| 6| 5| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 7| 3| 3| 9| 9| 3| 3| 9| 9| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 2| 4| 4| 9| 7| 4| 4| 1| 2| 5| 4| 4| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + +| 13 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + +| 13 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + +| 13 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + +| 11 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + M + + + + + + + + + + + + + +| 43 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 2 3 2 2 2 2 3 2 2 2 2 2| 24 2.3| Pars Distalis, Cyst | X | 3 | Pars Distalis, Hyperplasia | 2 2 2 2 1 2 2 | 13 1.8| Pars Nervosa, Cyst | X | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 1 1 1 1 | 13 1.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + M + M + + + + + + + +| 16 | Hyperplasia | 4 | 1 4.0| Inflammation, Acute | 3 3 4 | 3 3.3| Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + +| 16 | Cyst | X | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + +| 16 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | M + + + +| 8 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + +| 21 | Lumbar, Infiltration Cellular, | | | Plasma Cell | 2 | 1 2.0| Mandibular, Infiltration Cellular, | | | Plasma Cell | | 1 3.0| Mediastinal, Infiltration Cellular, | | | Plasma Cell | 2 | 1 2.0| Pancreatic, Infiltration Cellular, | | | Histiocyte | 2 | 1 2.0| Renal, Infiltration Cellular, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 7| 7| 6| 5| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 7| 3| 3| 9| 9| 3| 3| 9| 9| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 2| 4| 4| 9| 7| 4| 4| 1| 2| 5| 4| 4| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Histiocyte | 2 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + +| 20 | Angiectasis | | 2 2.0| Depletion Lymphoid | | 1 2.0| Infiltration Cellular, Histiocyte | 1 2 2 | 7 1.9| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + +| 23 | Angiectasis | 2 | 1 2.0| Depletion Lymphoid | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 2 2 | 6 1.8| Hemorrhage | 3 | 1 3.0| Infiltration Cellular, Histiocyte | 3 | 2 2.5| Necrosis | 3 | 1 3.0| Pigmentation | 2 | 4 2.5| __________________________________________________________________________|____________| Thymus | + + + + +| 10 | Depletion Lymphoid | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + +| 28 | Galactocele | X X X X X X X X| 13 | Acinus, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + +| 12 | Acanthosis | | 1 2.0| Hyperkeratosis | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | M + + + +| 8 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + +| 10 | Inflammation, Acute | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + +| 26 | Congestion | 2 2 2 2 2 2 | 10 2.0| Hemorrhage | 1 | 2 1.0| Inflammation, Chronic Active | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + +| 9 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 7| 7| 6| 5| 0| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 7| 3| 3| 9| 9| 3| 3| 9| 9| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| | | 2| 4| 4| 9| 7| 4| 4| 1| 2| 5| 4| 4| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 3| 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 FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + + | 4 | __________________________________________________________________________|____________| Eye | + + + + + + | 13 | Synechia | 2 2 | 2 2.0| Lens, Cataract | 2 2 | 4 2.0| Retina, Atrophy | | 2 2.0| __________________________________________________________________________|____________| Harderian Gland | + + + + | 5 | Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Lacrimal Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 33 1.1| Pigmentation | | 1 | Cortex, Mineralization | 1 | 3 1.0| Papilla, Mineralization | 1 1 1 1 1 1| 10 1.0| Pelvis, Mineralization | 1 1 1 1 2 1 1 1 1 1 1 1 1 | 30 1.1| Renal Tubule, Pigmentation | 2 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2| 47 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + +| 8 | Mineralization | 1 | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 1| 7| 7| 7| 7| 6| 7| 7| 6| 5| 5| 7| 7| 6| 4| 2| 7| 7| 6| 2| 2| DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 2| 3| 3| 3| 7| 5| 2| 3| 3| 2| 9| 1| 3| 3| 9| 8| 6| | 3| 5| 7| 3| 5| 4| 4| 3| 2| 9| 4| 4| 7| 7| 6| 4| 4| 4| 5| 6| 4| 4| 8| 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| 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + M + + + + + + + + + + + + + + M| Inflammation, Chronic Active | 1 | __________________________________________________________________________| Intestine Large | + + + + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + A + + + + + + + + + A + + + + A| Parasite | 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + + + + + + + + +| Parasite | 1 1 1 1 2 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A + + + + + + + + + A + + + + A| __________________________________________________________________________| Intestine Small | + + + + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + + + + + + + + M| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + A + + + + +| Lymphoid Nodule, Hyperplasia | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + + + A + + + + A| Lymphoid Nodule, Hyperplasia | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X | Clear Cell Focus | | Congestion | 2 | Fatty Change, Diffuse | 2 | Fatty Change, Focal | 1 1 | Hepatodiaphragmatic Nodule | X X | Mixed Cell Focus | X X X X | Necrosis | | Regeneration, Focal | 2 | Bile Duct, Hyperplasia | 2 2 2 | __________________________________________________________________________| Mesentery | + + | Fat, Hemorrhage | | Fat, Mineralization | | Fat, Necrosis | 3 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 | Acinus, Hyperplasia | 2| __________________________________________________________________________| Salivary Glands | + + + + + + + + + M + + + + + + + + + + + + + + M| Acinus, Inflammation, Chronic Active | 1 | Duct, Inflammation, Chronic Active | | Duct, Metaplasia, Squamous | 2 1 1 2 1 1 1 1 | Duct, Mineralization | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Hemorrhage | 1| Inflammation, Chronic Active | 2| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + A + + + + + + + + + + + + + + A| Necrosis | | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 1| 7| 7| 7| 7| 6| 7| 7| 6| 5| 5| 7| 7| 6| 4| 2| 7| 7| 6| 2| 2| DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 2| 3| 3| 3| 7| 5| 2| 3| 3| 2| 9| 1| 3| 3| 9| 8| 6| | 3| 5| 7| 3| 5| 4| 4| 3| 2| 9| 4| 4| 7| 7| 6| 4| 4| 4| 5| 6| 4| 4| 8| 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| 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Artery, Inflammation, Chronic Active | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 2 2 2 2 3 2 2 2 1 2 3 | Mineralization | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2| Hemorrhage | | Vacuolization Cytoplasmic | | __________________________________________________________________________| Adrenal Gland, Medulla | M + + + + + M + + + + + + + + + + + + M + + + + +| Hyperplasia | 1 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | M + + + M + + M M M + + + + + + M + + + M + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3 2 2 3 2 2 2 | Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | 2 2 2 2 2 2 2 | Pars Intermedia, Angiectasis | | Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + M + + + + M + + + + + + + + + + + + + + +| Mineralization | 1 | C-Cell, Hyperplasia | 1 1 1 | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| Inflammation, Chronic Active | 1 | Necrosis | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X | Pigmentation | 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + M + + +| Decidual Reaction | X | Hemorrhage | 2 | Bilateral, Abscess | | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 1| 7| 7| 7| 7| 6| 7| 7| 6| 5| 5| 7| 7| 6| 4| 2| 7| 7| 6| 2| 2| DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 2| 3| 3| 3| 7| 5| 2| 3| 3| 2| 9| 1| 3| 3| 9| 8| 6| | 3| 5| 7| 3| 5| 4| 4| 3| 2| 9| 4| 4| 7| 7| 6| 4| 4| 4| 5| 6| 4| 4| 8| 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| 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Endometrium, Hyperplasia, Adenomatous| 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mandibular, Hematopoietic Cell | | Proliferation | | Mediastinal, Infiltration Cellular, | | Histiocyte | 3 | Pancreatic, Infiltration Cellular, | | Histiocyte | 2 2 | Renal, Infiltration Cellular, | | Histiocyte | 3 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Depletion Lymphoid | 2 | Infiltration Cellular, Mast Cell | 2 | Infiltration Cellular, Histiocyte | 2 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 2 2 2 | Hematopoietic Cell Proliferation | 2 2 1 2 1 2 2 2 2 2 | Hemorrhage | | Infiltration Cellular, Histiocyte | 3 3 3 2 2 3 3| Necrosis | | __________________________________________________________________________| Thymus | + + + + + + + + M + + + + + + + + + M + + + + + +| Cyst | | Depletion Lymphoid | 4 | Hemorrhage | 3 3 | Necrosis | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M + + + + + + + + + M + + + + M + M + M M| Galactocele | X X X X | Acinus, Hyperplasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + M + + + + + + + + + +| Cyst Epithelial Inclusion | | Hyperkeratosis | | Necrosis | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 1| 7| 7| 7| 7| 6| 7| 7| 6| 5| 5| 7| 7| 6| 4| 2| 7| 7| 6| 2| 2| DAY ON TEST | 3| 9| 3| 0| 3| 3| 3| 3| 2| 3| 3| 3| 7| 5| 2| 3| 3| 2| 9| 1| 3| 3| 9| 8| 6| | 3| 5| 7| 3| 5| 4| 4| 3| 2| 9| 4| 4| 7| 7| 6| 4| 4| 4| 5| 6| 4| 4| 8| 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| 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Cerebrum, Hemorrhage | | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Atelectasis | 3 | Congestion | 2 3 | Edema | 1 2 2 2| Fibrosis | 2 | Hemorrhage | 1 1 3 3| Infiltration Cellular, Histiocyte | 3 2 | Inflammation, Chronic Active | 2 2 | Mineralization | 1 | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | +| __________________________________________________________________________| Eye | + + + | Synechia | | Lens, Cataract | 3 | Retina, Atrophy | | __________________________________________________________________________| Harderian Gland | + + + | Pigmentation | 2 | __________________________________________________________________________| Lacrimal Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Nephropathy | 1 1 2 1 1 1 1 1 1 2 1 2 1 1 1 | Cortex, Inflammation, Acute | | Cortex, Mineralization | 2 1 1 1 1| Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 2 | Papilla, Necrosis | | Pelvis, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Renal Tubule, Pigmentation | 2 1 2 2 1 1 2 2 2 1 2 2 1 1 2 2 2 1 2 1 2 1 | __________________________________________________________________________| Urinary Bladder | + + + + M + + + + A + + + M + + + + + + + + + + +| Hemorrhage | | Necrosis | | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 0| 7| 6| 6| 5| 5| 7| 7| 5| 2| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 2| | DAY ON TEST | 2| 0| 5| 9| 9| 3| 4| 0| 9| 1| 3| 3| 6| 7| 6| 3| 3| 3| 7| 0| 3| 3| 3| 5| 0| | | 1| 5| 2| 2| 4| 2| 9| 5| 2| 2| 4| 4| 1| 0| 6| 4| 4| 4| 0| 4| 4| 4| 4| 8| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic Active | | 1 1.0| __________________________________________________________________________|____________| Intestine Large | + + + + A + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + A + + + + + + + + A + + + + + + + + + A +| 44 | Parasite | | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + A + + + + + + + + + + + + + + + + + + + +| 48 | Parasite | 1 1 1 | 9 1.2| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + A + + + + + + + + M + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small | + + + + A + + + + + + + + A + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + A + + + + + + + + A + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + A + + + + + + + + A M + + + + + + + + A +| 44 | Lymphoid Nodule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + + + + + + + + A + + + + + + + + + A +| 44 | Lymphoid Nodule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X | 27 | Clear Cell Focus | X | 1 | Congestion | | 1 2.0| Fatty Change, Diffuse | | 1 2.0| Fatty Change, Focal | 1 | 3 1.0| Hepatodiaphragmatic Nodule | X X X | 5 | Mixed Cell Focus | X | 5 | Necrosis | 4 1| 2 2.5| Regeneration, Focal | 2 | 2 2.0| Bile Duct, Hyperplasia | 2 2 2 2 | 7 2.0| __________________________________________________________________________|____________| Mesentery | + + + +| 6 | Fat, Hemorrhage | 2| 1 2.0| Fat, Mineralization | 2 | 1 2.0| Fat, Necrosis | 4 3 | 4 3.3| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | | 1 2.0| Acinus, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Acinus, Inflammation, Chronic Active | | 1 1.0| Duct, Inflammation, Chronic Active | 1 | 1 1.0| Duct, Metaplasia, Squamous | 1 2 1 1 2 | 13 1.3| Duct, Mineralization | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + A + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 23 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 0| 7| 6| 6| 5| 5| 7| 7| 5| 2| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 2| | DAY ON TEST | 2| 0| 5| 9| 9| 3| 4| 0| 9| 1| 3| 3| 6| 7| 6| 3| 3| 3| 7| 0| 3| 3| 3| 5| 0| | | 1| 5| 2| 2| 4| 2| 9| 5| 2| 2| 4| 4| 1| 0| 6| 4| 4| 4| 0| 4| 4| 4| 4| 8| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Acanthosis | 2 | 1 2.0| Hemorrhage | | 1 1.0| Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | Necrosis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Artery, Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | 31 2.0| Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 | Congestion | | 1 2.0| Hemorrhage | 2 | 1 2.0| Vacuolization Cytoplasmic | 2 2 | 2 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + M + + + + + + + + + M + + + + + + + +| 45 | Hyperplasia | 1 1 2 | 6 1.2| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + M M + + M + M + + + + + + + M M M| 34 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 2 3 2 3 2 2 2 2 | 15 2.3| Pars Distalis, Cyst | X X | 4 | Pars Distalis, Hyperplasia | 2 2 2 2 | 11 2.0| Pars Intermedia, Angiectasis | 1 | 1 1.0| Pars Intermedia, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| 47 | Mineralization | | 1 1.0| C-Cell, Hyperplasia | 1 | 4 1.0| Follicular Cell, Hyperplasia | 3 1 | 2 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 0| 7| 6| 6| 5| 5| 7| 7| 5| 2| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 2| | DAY ON TEST | 2| 0| 5| 9| 9| 3| 4| 0| 9| 1| 3| 3| 6| 7| 6| 3| 3| 3| 7| 0| 3| 3| 3| 5| 0| | | 1| 5| 2| 2| 4| 2| 9| 5| 2| 2| 4| 4| 1| 0| 6| 4| 4| 4| 0| 4| 4| 4| 4| 8| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + M + M + M + + + + + + + + + + + + + + + + + M| 45 | Inflammation, Chronic Active | | 1 1.0| Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X X | 4 | Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Decidual Reaction | | 1 | Hemorrhage | | 1 2.0| Bilateral, Abscess | 3 | 1 3.0| Endometrium, Hyperplasia, Adenomatous| | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + | 18 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mandibular, Hematopoietic Cell | | | Proliferation | 2 | 1 2.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | 2 2 | 3 2.3| Pancreatic, Infiltration Cellular, | | | Histiocyte | | 2 2.0| Renal, Infiltration Cellular, | | | Histiocyte | | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Depletion Lymphoid | | 1 2.0| Infiltration Cellular, Mast Cell | | 1 2.0| Infiltration Cellular, Histiocyte | 2 3 2 2 | 7 2.1| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Depletion Lymphoid | 2 2| 5 2.0| Hematopoietic Cell Proliferation | 2 2 3 2 2 2 2 2 2 2 2 2 2 | 23 2.0| Hemorrhage | 2 | 1 2.0| Infiltration Cellular, Histiocyte | 2 2 3 3 2 2 3 3| 15 2.6| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + M + + + + + M + + + + + + + + + + + + + + +| 46 | Cyst | X | 1 | Depletion Lymphoid | | 1 4.0| Hemorrhage | | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 25 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 0| 7| 6| 6| 5| 5| 7| 7| 5| 2| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 2| | DAY ON TEST | 2| 0| 5| 9| 9| 3| 4| 0| 9| 1| 3| 3| 6| 7| 6| 3| 3| 3| 7| 0| 3| 3| 3| 5| 0| | | 1| 5| 2| 2| 4| 2| 9| 5| 2| 2| 4| 4| 1| 0| 6| 4| 4| 4| 0| 4| 4| 4| 4| 8| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Necrosis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + M + M + + + M + + M M + + + + M M + + + +| 36 | Galactocele | X X | 6 | Acinus, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst Epithelial Inclusion | X | 1 | Hyperkeratosis | 3 | 1 3.0| Necrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Cerebrum, Hemorrhage | 2| 1 2.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atelectasis | | 1 3.0| Congestion | 3 3 3| 5 2.8| Edema | 1 2 2 2| 8 1.8| Fibrosis | | 1 2.0| Hemorrhage | 1 | 5 1.8| Infiltration Cellular, Histiocyte | 1 1 1 1 | 6 1.5| Inflammation, Chronic Active | 2| 3 2.0| Mineralization | | 1 1.0| Alveolar Epithelium, Hyperplasia | 2 3 | 3 2.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 2 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 2 | __________________________________________________________________________|____________| Eye | + + + | 6 | Synechia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 26 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 5| 0| 7| 6| 6| 5| 5| 7| 7| 5| 2| 2| 7| 7| 7| 6| 6| 7| 7| 7| 6| 2| | DAY ON TEST | 2| 0| 5| 9| 9| 3| 4| 0| 9| 1| 3| 3| 6| 7| 6| 3| 3| 3| 7| 0| 3| 3| 3| 5| 0| | | 1| 5| 2| 2| 4| 2| 9| 5| 2| 2| 4| 4| 1| 0| 6| 4| 4| 4| 0| 4| 4| 4| 4| 8| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HF | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Lens, Cataract | 2 3 | 3 2.7| Retina, Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | + + + + | 7 | Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Lacrimal Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Nephropathy | 1 2 1 1 1 1 1 1 2 2 1 1 1 1 2 | 30 1.2| Cortex, Inflammation, Acute | 3| 1 3.0| Cortex, Mineralization | 2 1 1 1 2| 10 1.3| Papilla, Mineralization | 2 1 1 1 1 1 1 1 1 1 2| 24 1.1| Papilla, Necrosis | 3| 1 3.0| Pelvis, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1| 30 1.0| Renal Tubule, Pigmentation | 2 2 2 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 2 2 1 1 1| 46 1.4| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Hemorrhage | 2| 1 2.0| Necrosis | 3| 1 3.0| Transitional Epithelium, Hyperplasia | 1| 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 27 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 5| DAY ON TEST | 3| 4| 0| 1| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 4| 0| 9| 3| 3| 3| 3| 9| | 7| 0| 7| 0| 7| 8| 7| 7| 7| 7| 8| 8| 7| 0| 6| 8| 8| 0| 8| 3| 8| 8| 8| 8| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + + + + +| Parasite | 1 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + M + + + + + + + + + + + M + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X X | Clear Cell Focus | 1 | Congestion | 2 | Fatty Change, Diffuse | 2 2 3 3 1 | Fatty Change, Focal | 2 2 1 1 2 2 2 2 1 1 2| Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X | Necrosis | 2 | Regeneration, Focal | 2 | Artery, Inflammation, Chronic Active | 2 | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Mesentery | + + + + + | Artery, Necrosis, Fibrinoid | 3 3 | Fat, Necrosis | 4 3 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 | Acinus, Hyperplasia | 2 3 | Artery, Necrosis, Fibrinoid | 1 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Inflammation, Chronic Active | 1 | Artery, Necrosis, Fibrinoid | 2 | Duct, Inflammation, Chronic Active | 2 1 1 | Duct, Metaplasia, Squamous | 1 1 1 2 2 1 1 1| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 | Hyperkeratosis | 2 2 | Inflammation, Chronic Active | 2 | Necrosis | 2 3 | Artery, Necrosis, Fibrinoid | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Necrosis, Fibrinoid | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 5| DAY ON TEST | 3| 4| 0| 1| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 4| 0| 9| 3| 3| 3| 3| 9| | 7| 0| 7| 0| 7| 8| 7| 7| 7| 7| 8| 8| 7| 0| 6| 8| 8| 0| 8| 3| 8| 8| 8| 8| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | + | Artery, Necrosis, Fibrinoid | 1 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 2 2 2 2 2 2 2 2 3 1 2 1 2 2| Thrombosis | | Artery, Necrosis, Fibrinoid | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + M M M + + + + + + + + M + + + M M + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3 2 3 2 2 | Pars Distalis, Hemorrhage | 2 | Pars Distalis, Hyperplasia | 3 2 2 2 2 2| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 1 1 | Capsule, Necrosis, Fibrinoid | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Preputial Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| Cyst | | Inflammation, Chronic Active | 2 | Necrosis | 2 2 3 3| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + M + + + +| Inflammation, Chronic Active | 2 1 | Artery, Necrosis, Fibrinoid | 2 | Epithelium, Hyperplasia | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | 2 1 2 2 2 2 2 2| Seminiferous Tubule, Atrophy | 2 2 2 2 2 2 3 2 2 2 2 4 4 1 3 2 | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 5| DAY ON TEST | 3| 4| 0| 1| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 4| 0| 9| 3| 3| 3| 3| 9| | 7| 0| 7| 0| 7| 8| 7| 7| 7| 7| 8| 8| 7| 0| 6| 8| 8| 0| 8| 3| 8| 8| 8| 8| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Angiectasis | 2 | Mediastinal, Infiltration Cellular, | | Histiocyte | 2 2 | Renal, Angiectasis | 2 2 | Renal, Depletion Lymphoid | 2 | Renal, Infiltration Cellular, | | Histiocyte | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hemorrhage | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | | Hematopoietic Cell Proliferation | 2 2 2 2 2 2 2 2 2 2 2 2 2| Infiltration Cellular, Histiocyte | 3 | Necrosis | 2 | Capsule, Fibrosis | 2 | Capsule, Inflammation, Chronic Active| 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M M M M + M M M + + + + M + + M + M M + +| Galactocele | X X X X X X | __________________________________________________________________________| Skin | + + + + + + M + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Hyperkeratosis | 3 3 | Necrosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Necrosis, Fibrinoid | 2 | Brain Stem, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 30 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 5| DAY ON TEST | 3| 4| 0| 1| 4| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 4| 0| 9| 3| 3| 3| 3| 9| | 7| 0| 7| 0| 7| 8| 7| 7| 7| 7| 8| 8| 7| 0| 6| 8| 8| 0| 8| 3| 8| 8| 8| 8| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| VEHICLE | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bronchiectasis | 2 | Congestion | 2 2 | Edema | | Infiltration Cellular, Histiocyte | 2 | Inflammation, Chronic Active | 2 | Alveolar Epithelium, Hyperplasia | 1 | Artery, Necrosis, Fibrinoid | 3 | Bronchiole, Metaplasia, Squamous | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Eye | + + + | Lens, Cataract | | Retina, Hemorrhage | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy | 2 2 3 2 2 2 1 3 2 1 2 3 2 3 3 2 2 2 2 2 2 2 2| Artery, Inflammation | 2 | Cortex, Mineralization | 1 1 | Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Pelvis, Mineralization | 1 1 1 | Pelvis, Transitional Epithelium, | | Hyperplasia | 1 | Renal Tubule, Hyperplasia | 1 1 | Renal Tubule, Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Gross Observation | | Calculus Micro Observation Only | X| _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 4| 5| 3| 3| 3| 4| 5| 3| 3| 3| 3| 7| | | 8| 0| 7| 7| 7| 8| 8| 7| 7| 3| 8| 8| 8| 0| 1| 8| 8| 8| 0| 8| 8| 8| 0| 0| 1| 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| 1| 1| 1| 1| 1| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + M + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large | + + + + A + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + A + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + A + + + + + + + + + + + + + + A + + + + +| 47 | Parasite | 1 | 3 1.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + A + + + + + + + + + + + M + + A + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small | + + + + A + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + A + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + A + + + + + + + + + + + + + A + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + + + + A + + + + +| 46 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X X | 32 | Clear Cell Focus | | 1 1.0| Congestion | | 1 2.0| Fatty Change, Diffuse | 2 1 2| 8 2.0| Fatty Change, Focal | 2 1 1 1 1 1 1 2 2 2 2 2 2 2 1 1 | 27 1.6| Hepatodiaphragmatic Nodule | X X| 3 | Mixed Cell Focus | X | 2 | Necrosis | | 1 2.0| Regeneration, Focal | | 1 2.0| Artery, Inflammation, Chronic Active | | 1 2.0| Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | 35 2.0| __________________________________________________________________________|____________| Mesentery | + + + + | 9 | Artery, Necrosis, Fibrinoid | | 2 3.0| Fat, Necrosis | 4 | 4 3.8| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 2 | 2 2.0| Acinus, Hyperplasia | 2 2 2 2 2 | 7 2.1| Artery, Necrosis, Fibrinoid | | 2 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | Acinus, Inflammation, Chronic Active | | 1 1.0| Artery, Necrosis, Fibrinoid | | 1 2.0| Duct, Inflammation, Chronic Active | | 3 1.3| Duct, Metaplasia, Squamous | 1 1 1 | 11 1.2| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 | 2 2.0| Hyperkeratosis | 3 | 3 2.3| Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 4| 5| 3| 3| 3| 4| 5| 3| 3| 3| 3| 7| | | 8| 0| 7| 7| 7| 8| 8| 7| 7| 3| 8| 8| 8| 0| 1| 8| 8| 8| 0| 8| 8| 8| 0| 0| 1| 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| 1| 1| 1| 1| 1| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Necrosis | | 2 2.5| Artery, Necrosis, Fibrinoid | | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Artery, Necrosis, Fibrinoid | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Artery, Necrosis, Fibrinoid | | 1 1.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2| 37 2.0| Thrombosis | X | 1 | Artery, Necrosis, Fibrinoid | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 | Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 | Hyperplasia | 2 2 1 2 1 | 9 1.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 2 | 4 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + M + + + + M + + + + +| 42 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 2 2 2 2 | 9 2.2| Pars Distalis, Hemorrhage | | 1 2.0| Pars Distalis, Hyperplasia | 2 1 2 2 3 | 11 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | C-Cell, Hyperplasia | 1 3 1 | 7 1.6| Capsule, Necrosis, Fibrinoid | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | X | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 33 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 4| 5| 3| 3| 3| 4| 5| 3| 3| 3| 3| 7| | | 8| 0| 7| 7| 7| 8| 8| 7| 7| 3| 8| 8| 8| 0| 1| 8| 8| 8| 0| 8| 8| 8| 0| 0| 1| 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| 1| 1| 1| 1| 1| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active | 2 | 2 2.0| Necrosis | 2 2 2 | 7 2.3| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 2 2 | 5 1.8| Artery, Necrosis, Fibrinoid | | 1 2.0| Epithelium, Hyperplasia | 2 2 | 2 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Testes | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Interstitial Cell, Hyperplasia | 2 1 1 2 2 1 1 2 1 | 17 1.6| Seminiferous Tubule, Atrophy | 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| 37 2.2| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + + + + | 31 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mediastinal, Angiectasis | | 1 2.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | 3 2 2 | 5 2.2| Renal, Angiectasis | | 2 2.0| Renal, Depletion Lymphoid | | 1 2.0| Renal, Infiltration Cellular, | | | Histiocyte | 2 2| 4 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Depletion Lymphoid | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 2 2 2 2 3 2 2 2 2 2 2 2 2| 27 2.0| Infiltration Cellular, Histiocyte | | 1 3.0| Necrosis | 2 | 2 2.0| Capsule, Fibrosis | | 1 2.0| Capsule, Inflammation, Chronic Active| | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + M + + + M + + + + + + + + + + + + + M M + +| 46 | Atrophy | 3 | 1 3.0| Epithelial Cell, Hyperplasia | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + M M + M M + M + + M M M M M M + M + M + + +| 26 | Galactocele | X | 7 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 34 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 4| 5| 3| 3| 3| 4| 5| 3| 3| 3| 3| 7| | | 8| 0| 7| 7| 7| 8| 8| 7| 7| 3| 8| 8| 8| 0| 1| 8| 8| 8| 0| 8| 8| 8| 0| 0| 1| 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| 1| 1| 1| 1| 1| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst Epithelial Inclusion | X | 2 | Hyperkeratosis | 4 3 | 4 3.3| Necrosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | + | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Necrosis, Fibrinoid | | 1 2.0| Brain Stem, Hemorrhage | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bronchiectasis | | 1 2.0| Congestion | 2 | 3 2.0| Edema | 1 | 1 1.0| Infiltration Cellular, Histiocyte | 2 2 2 | 4 2.0| Inflammation, Chronic Active | 2 | 2 2.0| Alveolar Epithelium, Hyperplasia | 2 | 2 1.5| Artery, Necrosis, Fibrinoid | | 1 3.0| Bronchiole, Metaplasia, Squamous | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | __________________________________________________________________________|____________| Eye | + + | 5 | Lens, Cataract | 3 | 1 3.0| Retina, Hemorrhage | 3 | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy | 2 2 3 2 2 2 2 1 2 2 2 2 2 2 1 2 3 2 3 1 2 2 1 2 2| 48 2.0| Artery, Inflammation | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 35 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 4| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 4| 5| 3| 3| 3| 4| 5| 3| 3| 3| 3| 7| | | 8| 0| 7| 7| 7| 8| 8| 7| 7| 3| 8| 8| 8| 0| 1| 8| 8| 8| 0| 8| 8| 8| 0| 0| 1| 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| 1| 1| 1| 1| 1| A | VEHICLE | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | MALE | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Cortex, Mineralization | | 2 1.0| Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 32 1.0| Pelvis, Mineralization | 1 | 4 1.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | | 1 1.0| Renal Tubule, Hyperplasia | 1 | 3 1.0| Renal Tubule, Pigmentation | 1 1 1 1 1 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 46 1.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + A + + + + + + + + + + + + + + A + + + + +| 48 | Calculus Gross Observation | X X | 2 | Calculus Micro Observation Only | X X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| DAY ON TEST | 3| 3| 2| 6| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 5| 9| | 5| 5| 3| 7| 4| 5| 5| 5| 5| 2| 6| 6| 5| 5| 1| 6| 6| 6| 0| 6| 6| 6| 6| 0| 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 | 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| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + +| Necrosis | 3| __________________________________________________________________________| Intestine Large | + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + +| __________________________________________________________________________| Intestine Large, Colon | + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + +| Parasite | 1 | __________________________________________________________________________| Intestine Small | + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + +| Lymphoid Tissue, Hyperplasia | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + +| Hemorrhage | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X X X | Congestion | 3 | Cyst | X | Degeneration, Cystic | 1 | Degeneration | 1 | Fatty Change, Diffuse | 2 | Fatty Change, Focal | 2 2 2 2 1 2 2 1 2| Hepatodiaphragmatic Nodule | X X X | Mixed Cell Focus | X | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 1| __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + +| Acinus, Atrophy | 2 | Acinus, Hyperplasia | 3 | Artery, Mineralization | 2 | Artery, Necrosis, Fibrinoid | 3 | __________________________________________________________________________| Pharynx | + | Hyperplasia, Pseudoepitheliomatous | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + +| Fibrosis | 2 | Hyperplasia | 2 | Duct, Inflammation, Acute | 1 | Duct, Metaplasia | | Duct, Metaplasia, Squamous | 1 1 1 2 | __________________________________________________________________________| Stomach | + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + +| Acanthosis | 2| Hyperkeratosis | 2 2| _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| DAY ON TEST | 3| 3| 2| 6| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 5| 9| | 5| 5| 3| 7| 4| 5| 5| 5| 5| 2| 6| 6| 5| 5| 1| 6| 6| 6| 0| 6| 6| 6| 6| 0| 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 | 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| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Hyperplasia, Basal Cell | | Inflammation, Chronic Active | | Mineralization | | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + +| Cardiomyopathy | 2 2 2 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia | 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 1 2 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 2 2 2 3 4 | Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 2 2 2 | Pars Distalis, Pigmentation | 2 | Pars Intermedia, Angiectasis | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + +| C-Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Prostate | + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + +| Concretion | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | 2 2 1 2 1 1 2 1 1| Seminiferous Tubule, Atrophy | 2 3 2 2 2 2 2 2 2 2 3 3 | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| DAY ON TEST | 3| 3| 2| 6| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 5| 9| | 5| 5| 3| 7| 4| 5| 5| 5| 5| 2| 6| 6| 5| 5| 1| 6| 6| 6| 0| 6| 6| 6| 6| 0| 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 | 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| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + +| Lumbar, Angiectasis | 2 | Lumbar, Infiltration Cellular, | | Histiocyte | | Lumbar, Pigmentation | | Mandibular, Angiectasis | 2 | Mediastinal, Angiectasis | | Mediastinal, Infiltration Cellular, | | Histiocyte | 2 2 | Mediastinal, Pigmentation | 2 2 2 | Pancreatic, Infiltration Cellular, | | Histiocyte | 2 | Pancreatic, Pigmentation | 2 2 2 1 2 | Renal, Angiectasis | 2 | Renal, Infiltration Cellular, | | Histiocyte | 3 | Renal, Pigmentation | 2 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + +| Angiectasis | 3 | Infiltration Cellular, Histiocyte | 2 2 | Pigmentation | 2 2 2 2 1 | __________________________________________________________________________| Spleen | + + + + + +| Congestion | | Depletion Lymphoid | 2 | Fibrosis | | Hematopoietic Cell Proliferation | 2 2 3 | Hemorrhage | | Necrosis | | __________________________________________________________________________| Thymus | + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M + M + +| Galactocele | X | __________________________________________________________________________| Skin | + + + + + + + +| Cyst Epithelial Inclusion | | Hyperkeratosis | | Hyperplasia, Basal Cell | | Pigmentation | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 2| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| DAY ON TEST | 3| 3| 2| 6| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 5| 9| | 5| 5| 3| 7| 4| 5| 5| 5| 5| 2| 6| 6| 5| 5| 1| 6| 6| 6| 0| 6| 6| 6| 6| 0| 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 | 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| .1 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Bone | + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + +| Cerebellum, Hemorrhage | 2| Cerebellum, Necrosis | 2| Cerebrum, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + +| Congestion | 2 2 1 | Edema | 1 2 | Hemorrhage | | Inflammation, Acute | | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + +| Congestion | | Inflammation, Chronic Active | 3| __________________________________________________________________________| Trachea | + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | __________________________________________________________________________| Eye | + + + + | Hemorrhage | | Synechia | 2 | Lens, Cataract | 2 | __________________________________________________________________________| Harderian Gland | + + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hydronephrosis | 2 | Nephropathy | 1 2 2 3 2 2 2 1 3 2 2 2 1 2 3 2 3 1 1 2 1 1 1| Cortex, Mineralization | 2 1 2 1 1 1 | Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 | Pelvis, Mineralization | 1 1 1 1 1 1 1 | Renal Tubule, Degeneration | 1 | Renal Tubule, Pigmentation | 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 2 2 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + +| Calculus Gross Observation | X | Calculus Micro Observation Only | X | Hemorrhage | 3 | Necrosis | 3 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 3| 3| 0| 3| 3| 3| 8| 6| 3| 3| 3| 9| 9| 3| 3| 3| 3| 7| | | 7| 1| 6| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 2| 2| 7| 7| 7| 9| 4| 7| 7| 7| 0| 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| 2| 2| 2| 2| 2| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + +| 12 | Necrosis | | 1 3.0| __________________________________________________________________________|____________| Intestine Large | + + + + | 9 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + | 7 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + | 8 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + | 9 | Parasite | | 1 1.0| __________________________________________________________________________|____________| Intestine Small | + + + + | 9 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + | 9 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + | 8 | Lymphoid Tissue, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + M + + | 8 | Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + +| 41 | Basophilic Focus | X X X X X X X X X X X | 27 | Clear Cell Focus | X X X X X X | 11 | Congestion | | 1 3.0| Cyst | | 1 | Degeneration, Cystic | | 1 1.0| Degeneration | | 1 1.0| Fatty Change, Diffuse | 2 2 2 | 4 2.0| Fatty Change, Focal | 1 2 1 2 1 | 14 1.6| Hepatodiaphragmatic Nodule | X X X | 6 | Mixed Cell Focus | X | 2 | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 | 25 2.0| __________________________________________________________________________|____________| Mesentery | + + | 4 | Fat, Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + | 20 | Acinus, Atrophy | | 1 2.0| Acinus, Hyperplasia | 3 | 2 3.0| Artery, Mineralization | | 1 2.0| Artery, Necrosis, Fibrinoid | | 1 3.0| __________________________________________________________________________|____________| Pharynx | | 1 | Hyperplasia, Pseudoepitheliomatous | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + | 16 | Fibrosis | | 1 2.0| Hyperplasia | | 1 2.0| Duct, Inflammation, Acute | | 1 1.0| Duct, Metaplasia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 41 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 3| 3| 0| 3| 3| 3| 8| 6| 3| 3| 3| 9| 9| 3| 3| 3| 3| 7| | | 7| 1| 6| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 2| 2| 7| 7| 7| 9| 4| 7| 7| 7| 0| 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| 2| 2| 2| 2| 2| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Duct, Metaplasia, Squamous | 1 | 5 1.2| __________________________________________________________________________|____________| Stomach | + + + + + + + + | 12 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + | 12 | Acanthosis | 3 2 | 3 2.3| Hyperkeratosis | 2 | 3 2.0| Hyperplasia, Basal Cell | 1 | 1 1.0| Inflammation, Chronic Active | 2 | 1 2.0| Mineralization | 2 | 1 2.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + | 11 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + | 8 | Cardiomyopathy | 2 2 2 2 | 8 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | | 1 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| Hyperplasia | 2 | 3 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 2 2 1 2 2 | 15 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + | 19 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + M + + + +| 11 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + | 26 | Pars Distalis, Angiectasis | 3 2 3 3 2 | 11 2.5| Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 1 2 2 | 6 1.8| Pars Distalis, Pigmentation | | 1 2.0| Pars Intermedia, Angiectasis | 2 | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + +| 12 | C-Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 42 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 3| 3| 0| 3| 3| 3| 8| 6| 3| 3| 3| 9| 9| 3| 3| 3| 3| 7| | | 7| 1| 6| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 2| 2| 7| 7| 7| 9| 4| 7| 7| 7| 0| 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| 2| 2| 2| 2| 2| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + | 26 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + | 15 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Prostate | + + + + + | 10 | Inflammation, Chronic Active | 2 | 2 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + | 30 | Concretion | 2 3 | 3 2.3| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + +| 44 | Interstitial Cell, Hyperplasia | 1 1 1 1 2 1 2 2 1 2 1 | 20 1.4| Seminiferous Tubule, Atrophy | 2 3 2 2 2 3 2 3 3 3 2 2 3| 25 2.4| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + | 8 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + +| 27 | Lumbar, Angiectasis | | 1 2.0| Lumbar, Infiltration Cellular, | | | Histiocyte | 2| 1 2.0| Lumbar, Pigmentation | 2| 1 2.0| Mandibular, Angiectasis | | 1 2.0| Mediastinal, Angiectasis | 2 | 1 2.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | | 2 2.0| Mediastinal, Pigmentation | 2 | 4 2.0| Pancreatic, Infiltration Cellular, | | | Histiocyte | 2 | 2 2.0| Pancreatic, Pigmentation | 2 | 6 1.8| Renal, Angiectasis | | 1 2.0| Renal, Infiltration Cellular, | | | Histiocyte | 2 | 2 2.5| Renal, Pigmentation | 2 | 4 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + | 20 | Angiectasis | 3 | 2 3.0| Infiltration Cellular, Histiocyte | 2 2 | 4 2.0| Pigmentation | 1 2 2 2 | 9 1.8| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + +| 19 | Congestion | 3 | 1 3.0| Depletion Lymphoid | | 1 2.0| Fibrosis | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 43 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 3| 3| 0| 3| 3| 3| 8| 6| 3| 3| 3| 9| 9| 3| 3| 3| 3| 7| | | 7| 1| 6| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 2| 2| 7| 7| 7| 9| 4| 7| 7| 7| 0| 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| 2| 2| 2| 2| 2| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hematopoietic Cell Proliferation | 2 2 2 2 2 2 | 9 2.1| Hemorrhage | 2 | 1 2.0| Necrosis | 3| 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + | 14 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + + + + | 9 | Galactocele | X X | 3 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + | 20 | Cyst Epithelial Inclusion | X | 1 | Hyperkeratosis | 3 3 3 | 3 3.0| Hyperplasia, Basal Cell | 1 | 1 1.0| Pigmentation | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + | 8 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + | 8 | Cerebellum, Hemorrhage | | 1 2.0| Cerebellum, Necrosis | | 1 2.0| Cerebrum, Hemorrhage | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 18 | Congestion | 4 | 4 2.3| Edema | | 2 1.5| Hemorrhage | 2 1 2 | 3 1.7| Inflammation, Acute | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia | 2 2 | 3 2.0| __________________________________________________________________________|____________| Nose | + + + + + | 9 | Congestion | 2 | 1 2.0| Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + | 18 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 3 | __________________________________________________________________________|____________| Eye | + + + + | 8 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 5| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| 7| 7| 7| 6| 6| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 3| 3| 0| 3| 3| 3| 8| 6| 3| 3| 3| 9| 9| 3| 3| 3| 3| 7| | | 7| 1| 6| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 2| 2| 7| 7| 7| 9| 4| 7| 7| 7| 0| 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| 2| 2| 2| 2| 2| A | .1 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | LM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Hemorrhage | 2 | 1 2.0| Synechia | | 1 2.0| Lens, Cataract | 2 3 | 3 2.3| __________________________________________________________________________|____________| Harderian Gland | + + + | 7 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 | Hydronephrosis | | 1 2.0| Nephropathy | 1 1 1 1 2 2 3 2 1 2 1 2 2 1 1 2 2 2 2 1 2 2 2 3 2| 48 1.8| Cortex, Mineralization | 1 1 1 | 9 1.2| Papilla, Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 31 1.0| Pelvis, Mineralization | 1 1 1 1 1 | 12 1.0| Renal Tubule, Degeneration | | 1 1.0| Renal Tubule, Pigmentation | 1 2 1 2 2 2 1 2 1 3 2 2 1 2 2 2 2 3 3 2 2 2 2| 46 1.8| __________________________________________________________________________|____________| Urinary Bladder | + + + + | 10 | Calculus Gross Observation | X | 2 | Calculus Micro Observation Only | X | 2 | Hemorrhage | | 1 3.0| Necrosis | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 3| 3| 0| 9| 8| 3| 3| 2| 1| 5| 3| 2| 6| 0| 9| 3| 3| 3| 0| 0| 3| 1| 0| 0| 9| | 0| 0| 8| 5| 8| 0| 0| 7| 1| 7| 0| 3| 6| 0| 1| 5| 5| 0| 6| 3| 0| 3| 4| 4| 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 | 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| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + M + + + + + + + + + + + + + + +| Hyperkeratosis | 2| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Lymphoid Nodule, Hyperplasia | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + A + + + + + + + + + + + +| Parasite | 1 1 2 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + A + + + + + + + + + + + +| Parasite | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + + + + + + + + +| Lymphoid Nodule, Hyperplasia | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + A + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X X X X X X X X X X X X | Clear Cell Focus | X | Eosinophilic Focus | | Fatty Change, Diffuse | 2 | Fatty Change, Focal | 1 2 1 1 1 1 2| Focal Cellular Change | X X | Hepatodiaphragmatic Nodule | X X | Mixed Cell Focus | X | Necrosis | 2 1 | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Mesentery | + + + + + | Fat, Inflammation, Chronic Active | 1 2 | Fat, Necrosis | 3 | Fat, Pigmentation | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 | Acinus, Hyperplasia | 3 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + M + +| Duct, Inflammation, Chronic Active | 1 | Duct, Metaplasia | | Duct, Metaplasia, Squamous | 2 1 1 1 1 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 1 | Hyperkeratosis | 2 | Inflammation, Chronic Active | | Necrosis | 1| _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 3| 3| 0| 9| 8| 3| 3| 2| 1| 5| 3| 2| 6| 0| 9| 3| 3| 3| 0| 0| 3| 1| 0| 0| 9| | 0| 0| 8| 5| 8| 0| 0| 7| 1| 7| 0| 3| 6| 0| 1| 5| 5| 0| 6| 3| 0| 3| 4| 4| 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 | 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| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Mineralization | 2 | Necrosis | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 2 2 3 2 2 2 3 3 2 2 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 2 2 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + M M + + + + + + + + + M + M + + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 3 2 | Pars Distalis, Hemorrhage | 4 | Pars Distalis, Hyperplasia | 2 2 2 2 2 | Pars Distalis, Necrosis | 3 | Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | C-Cell, Hyperplasia | 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + M + + + + + + + + + M +| Fibrosis | | Inflammation, Chronic Active | | Spermatocele | 2 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Necrosis | 2 2 2 3 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 2 | Epithelium, Hyperplasia | 2 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 3| 3| 0| 9| 8| 3| 3| 2| 1| 5| 3| 2| 6| 0| 9| 3| 3| 3| 0| 0| 3| 1| 0| 0| 9| | 0| 0| 8| 5| 8| 0| 0| 7| 1| 7| 0| 3| 6| 0| 1| 5| 5| 0| 6| 3| 0| 3| 4| 4| 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 | 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| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Atrophy | 3 | Congestion | 1 | Interstitial Cell, Hyperplasia | 2 1 1 2 2 2 2 2 2 1 2 1 1 1| Seminiferous Tubule, Atrophy | 2 2 2 2 2 2 2 3 2 2 2 2 3 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Infiltration Cellular, | | Histiocyte | 2 | Lumbar, Hematopoietic Cell | | Proliferation | 2 | Lumbar, Hemorrhage | 2 | Lumbar, Infiltration Cellular, | | Histiocyte | 2 | Mandibular, Necrosis | | Mediastinal, Angiectasis | 2 2 2 | Mediastinal, Depletion Lymphoid | | Mediastinal, Infiltration Cellular, | | Histiocyte | 3 2 | Pancreatic, Infiltration Cellular, | | Histiocyte | 2 | Renal, Angiectasis | 2 | Renal, Hemorrhage | 1 | Renal, Infiltration Cellular, | | Histiocyte | 2 2 2 2 2 3 3 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + M +| Angiectasis | 3 2 2 | Depletion Lymphoid | 2 | Infiltration Cellular, Mast Cell | 2 | Infiltration Cellular, Histiocyte | 2 2 2 2 2 2 2 2 2 2 1 | Renal, Angiectasis | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 2 3 | Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 2 3 2 2 2 2 3 2 1 2 3 3 2 2 2 2 1 3 2| Hemorrhage | | Infiltration Cellular, Histiocyte | 2 3 | Pigmentation | | __________________________________________________________________________| Thymus | + + + + + + + + + + + M + + + + + + + + + + + + +| Atrophy | | Depletion Lymphoid | | Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 3| 3| 0| 9| 8| 3| 3| 2| 1| 5| 3| 2| 6| 0| 9| 3| 3| 3| 0| 0| 3| 1| 0| 0| 9| | 0| 0| 8| 5| 8| 0| 0| 7| 1| 7| 0| 3| 6| 0| 1| 5| 5| 0| 6| 3| 0| 3| 4| 4| 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 | 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| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M + M M + + M M + + + + M M M + + M + M + M +| Galactocele | X X X | Acinus, Hyperplasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Abscess | | Cyst Epithelial Inclusion | X | Fibrosis | | Hyperkeratosis | 3 3 4 | Hyperplasia, Basal Cell | 1 | Inflammation, Acute | | Necrosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebellum, Hemorrhage | | Cerebrum, Hemorrhage | 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Atelectasis | | Congestion | 2 2 | Edema | 2 2| Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 1 2| Inflammation, Chronic Active | | Alveolar Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 2 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 3 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + + | Hemorrhage | 2 | Necrosis | 3 | __________________________________________________________________________| Eye | + + + + + + + + | Synechia | 2 3 | Lens, Cataract | 2 2 | _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 6| 4| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 3| 3| 0| 9| 8| 3| 3| 2| 1| 5| 3| 2| 6| 0| 9| 3| 3| 3| 0| 0| 3| 1| 0| 0| 9| | 0| 0| 8| 5| 8| 0| 0| 7| 1| 7| 0| 3| 6| 0| 1| 5| 5| 0| 6| 3| 0| 3| 4| 4| 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 | 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| .4 G/KG | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Retina, Atrophy | 2 3 2 | Sclera, Pigmentation | 1 | __________________________________________________________________________| Harderian Gland | + + + | Hyperplasia | 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2| Cyst | X | Nephropathy | 2 2 2 2 2 3 2 1 1 3 3 1 2 2 2 2 1 2 1 2 2 1 1| Cortex, Mineralization | 1 | Papilla, Mineralization | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1| Pelvis, Mineralization | 1 1 1 1 1 1 1 1 | Renal Tubule, Mineralization | 1 | Renal Tubule, Pigmentation | 1 2 3 1 1 1 2 1 1 2 2 1 1 1 1 1 2 1 1 2 2 2 3 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + A + + + + + + + + + + + +| Calculus Micro Observation Only | X | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 3| 7| 7| 6| 6| 3| 5| 7| 6| 5| 5| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 0| 3| 3| 0| 6| 5| 7| 8| 3| 7| 6| 1| | | 5| 5| 5| 5| 4| 5| 5| 5| 5| 0| 5| 5| 0| 0| 6| 5| 7| 0| 2| 2| 0| 5| 0| 2| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + M| 48 | Hyperkeratosis | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic Active | | 1 2.0| Lymphoid Nodule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Parasite | 1 2 | 6 1.3| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Parasite | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + M + A + + + + + + + + + + + + + + +| 47 | Lymphoid Nodule, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + + + + + + + + A| 47 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X X X X X X X X X X X X X X X X | 34 | Clear Cell Focus | | 1 | Eosinophilic Focus | 1 | 1 1.0| Fatty Change, Diffuse | | 1 2.0| Fatty Change, Focal | 2 1 1 2 1 1 1| 14 1.3| Focal Cellular Change | | 2 | Hepatodiaphragmatic Nodule | X | 3 | Mixed Cell Focus | | 1 | Necrosis | | 2 1.5| Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| 37 2.0| __________________________________________________________________________|____________| Mesentery | | 5 | Fat, Inflammation, Chronic Active | | 2 1.5| Fat, Necrosis | | 1 3.0| Fat, Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy | | 1 2.0| Acinus, Hyperplasia | 2 2 2 2 | 6 2.2| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Duct, Inflammation, Chronic Active | | 1 1.0| Duct, Metaplasia | 1 | 1 1.0| Duct, Metaplasia, Squamous | 1 1 1 2 | 10 1.2| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 51 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 3| 7| 7| 6| 6| 3| 5| 7| 6| 5| 5| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 0| 3| 3| 0| 6| 5| 7| 8| 3| 7| 6| 1| | | 5| 5| 5| 5| 4| 5| 5| 5| 5| 0| 5| 5| 0| 0| 6| 5| 7| 0| 2| 2| 0| 5| 0| 2| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 2 3 1| 6 1.8| Hyperkeratosis | 1 2 3 1| 5 1.8| Inflammation, Chronic Active | 2 | 1 2.0| Necrosis | 2 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 2.0| Mineralization | | 1 2.0| Necrosis | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 2 2 2 2 2 2 2 1 2 2 3 2 2 2 2 2 3 2 2 2| 44 2.1| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 2 1 1 1 2 | 14 1.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + + + + + + M + + + M + + + + +| 42 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Angiectasis | 2 2 2 4 2 2 | 9 2.3| Pars Distalis, Hemorrhage | | 1 4.0| Pars Distalis, Hyperplasia | 2 2 | 7 2.0| Pars Distalis, Necrosis | | 1 3.0| Pars Intermedia, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | Hemorrhage | 2 | 1 2.0| C-Cell, Hyperplasia | 2 1 3 2 1 1 1 2 | 10 1.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Fibrosis | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 52 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 3| 7| 7| 6| 6| 3| 5| 7| 6| 5| 5| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 0| 3| 3| 0| 6| 5| 7| 8| 3| 7| 6| 1| | | 5| 5| 5| 5| 4| 5| 5| 5| 5| 0| 5| 5| 0| 0| 6| 5| 7| 0| 2| 2| 0| 5| 0| 2| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active | 2 | 1 2.0| Spermatocele | X | 2 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 3.0| Necrosis | 3 2 | 7 2.4| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 3 1.7| Epithelium, Hyperplasia | 1 | 3 1.3| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 3.0| Congestion | | 1 1.0| Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 1 2 1 2 2| 26 1.7| Seminiferous Tubule, Atrophy | 2 2 2 2 4 2 3 2 2 3 2 2 2 2 2 2 2 2 | 32 2.2| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + | 21 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + A + + + + + + + + + + + + + M +| 48 | Iliac, Infiltration Cellular, | | | Histiocyte | | 1 2.0| Lumbar, Hematopoietic Cell | | | Proliferation | | 1 2.0| Lumbar, Hemorrhage | 2 | 2 2.0| Lumbar, Infiltration Cellular, | | | Histiocyte | 2 | 2 2.0| Mandibular, Necrosis | 2 | 1 2.0| Mediastinal, Angiectasis | 2 | 4 2.0| Mediastinal, Depletion Lymphoid | 2| 1 2.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | 2 2 | 4 2.3| Pancreatic, Infiltration Cellular, | | | Histiocyte | | 1 2.0| Renal, Angiectasis | 3 | 2 2.5| Renal, Hemorrhage | | 1 1.0| Renal, Infiltration Cellular, | | | Histiocyte | 3 2 1| 11 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + A + + + + + + + + + + + + + M +| 47 | Angiectasis | 2 2 | 5 2.2| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 53 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 3| 7| 7| 6| 6| 3| 5| 7| 6| 5| 5| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 0| 3| 3| 0| 6| 5| 7| 8| 3| 7| 6| 1| | | 5| 5| 5| 5| 4| 5| 5| 5| 5| 0| 5| 5| 0| 0| 6| 5| 7| 0| 2| 2| 0| 5| 0| 2| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Depletion Lymphoid | 2| 2 2.0| Infiltration Cellular, Mast Cell | | 1 2.0| Infiltration Cellular, Histiocyte | 2 2 2 2 2 1 2 | 18 1.9| Renal, Angiectasis | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | Depletion Lymphoid | | 2 2.5| Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 2 2 2 2 1 2 2 2 2 3 2 2 2 2 1 2 3 2| 38 2.1| Hemorrhage | 2 | 1 2.0| Infiltration Cellular, Histiocyte | 2 | 3 2.3| Pigmentation | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + A + + + + + + + + + + + M + M +| 46 | Atrophy | 3 | 1 3.0| Depletion Lymphoid | 4| 1 4.0| Epithelial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + + M + M M M + M M M + + M + + + M + + + M + M| 27 | Galactocele | X X | 5 | Acinus, Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Abscess | 4 | 1 4.0| Cyst Epithelial Inclusion | | 1 | Fibrosis | 2 | 1 2.0| Hyperkeratosis | 2 | 4 3.0| Hyperplasia, Basal Cell | | 1 1.0| Inflammation, Acute | 4 | 1 4.0| Necrosis | 3 3 | 3 2.7| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 3 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cerebellum, Hemorrhage | 1 | 1 1.0| Cerebrum, Hemorrhage | | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 05030-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 3| 7| 7| 6| 6| 3| 5| 7| 6| 5| 5| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 3| 9| 3| 3| 3| 0| 3| 3| 0| 6| 5| 7| 8| 3| 7| 6| 1| | | 5| 5| 5| 5| 4| 5| 5| 5| 5| 0| 5| 5| 0| 0| 6| 5| 7| 0| 2| 2| 0| 5| 0| 2| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | 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 | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| A | .4 G/KG | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | HM | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atelectasis | 2 | 1 2.0| Congestion | 2 2 | 4 2.0| Edema | 2 | 3 2.0| Hemorrhage | 1 1 1 1 1| 6 1.2| Infiltration Cellular, Histiocyte | 1 1 1 | 5 1.2| Inflammation, Chronic Active | 1 | 1 1.0| Alveolar Epithelium, Hyperplasia | 1 | 2 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + A + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 2 3 2 | 7 2.3| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Erosion | | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 3 | Hemorrhage | | 1 2.0| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Eye | + + +| 11 | Synechia | | 2 2.5| Lens, Cataract | 2 | 3 2.0| Retina, Atrophy | | 3 2.3| Sclera, Pigmentation | | 1 1.0| __________________________________________________________________________|____________| Harderian Gland | + | 4 | Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 2 | 2 2.0| Cyst | | 1 | Nephropathy | 2 2 2 2 3 2 3 2 2 2 2 2 2 3 3 1 2 2 1 1 2 2 1 1| 47 1.9| Cortex, Mineralization | 1 | 2 1.0| Papilla, Mineralization | 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1| 35 1.1| Pelvis, Mineralization | 1 1 1 1 1 | 13 1.0| Renal Tubule, Mineralization | 1 1 | 3 1.0| Renal Tubule, Pigmentation | 2 2 1 2 1 2 1 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1| 46 1.4| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + A + + + + + + + M + + + + + + +| 47 | Calculus Micro Observation Only | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 55 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 517179-517179/517179 --multipart-boundary--