TR 395 Mouse Pathology Tables
NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 Facility: TSI Mason Research Chemical CAS #: 000057669 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 0| 7| 7| 7| 7| 7| 7| 7| 6| 6| 0| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| DAY ON TEST | 2| 3| 3| 2| 0| 3| 3| 3| 8| 1| 1| 3| 3| 4| 1| 3| 3| 3| 0| 6| 3| 3| 3| 3| 9| | 9| 6| 6| 2| 9| 2| 2| 2| 7| 2| 3| 2| 2| 8| 2| 5| 2| 6| 4| 0| 5| 5| 2| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + M + + + + + + + + A + + + + A| __________________________________________________________________________| Intestine Large | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + + A + + + + A| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + + + + + +| Necrosis | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + + + + + + + A| Necrosis | 2 | Lymphoid Nodule, Hemorrhage | 2 | __________________________________________________________________________| Liver | + + + + + + + + + A + + + + + + + + + + + + + +| Basophilic Focus | 3 | Clear Cell Focus | 3 | Fatty Change, Diffuse | | Fatty Change, Focal | | Hematopoietic Cell Proliferation | 2 | Mineralization | 2 | Necrosis | 1 1 1 2 2 1 1 1 | __________________________________________________________________________| Mesentery | + + | Inflammation, Acute | 3 | Inflammation, Chronic Active | 4 | Fat, Inflammation, Chronic Active | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + A + + + + + + + + + + + + + +| Acinus, Hyperplasia | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + A + + + + + + + + + + + + + +| Mineralization | | __________________________________________________________________________| Stomach | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + A + + + + + + + + + + + + + +| Acanthosis | 1 1 1 2 2 1 | Hyperkeratosis | 2 3 2 2 3 3 2 2 | Inflammation, Acute | | Mineralization | 1 | Necrosis | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + A + + + + + + + + + + + + + +| Dilatation | | Hyperplasia | 2 3 2 | Inflammation, Chronic Active | 2 | Pigmentation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 0| 7| 7| 7| 7| 7| 7| 7| 6| 6| 0| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| DAY ON TEST | 2| 3| 3| 2| 0| 3| 3| 3| 8| 1| 1| 3| 3| 4| 1| 3| 3| 3| 0| 6| 3| 3| 3| 3| 9| | 9| 6| 6| 2| 9| 2| 2| 2| 7| 2| 3| 2| 2| 8| 2| 5| 2| 6| 4| 0| 5| 5| 2| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Heart | + + + + + + + + + A + + + + + + + + + + + + + +| Cardiomyopathy | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + A + + + + + + + + + + + + + +| Capsule, Hyperplasia | 2 2 1 2 2 2 2 2 2 2 2 3 2 2 2 2 2 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + A + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Cyst | X | Hematopoietic Cell Proliferation | 1 | Hyperplasia | 2 2 1 2 2 2 2 2 2 2 3 2 2 2 2 2 | Hypertrophy | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + M + + + + + A + + M + + + + + + + + + + +| Degeneration | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + M M + + + M + M M + + + M + M + + + + + M +| __________________________________________________________________________| Pituitary Gland | + + M M + + + M + A + + + + + M + + + + + + + +| Angiectasis | 2 | Pars Distalis, Angiectasis | 1 | Pars Distalis, Hyperplasia, Focal | | Pars Distalis, Hyperplasia | 2 3 2 2 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + A + + + + + + + + + + + + + +| Follicle, Cyst | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + A + + + + + + + + + M + + + +| Abscess | 4 | Cyst | X X | Degeneration, Cystic | 2 3 2 3 3 3 3 | Hemorrhage | | Hyperplasia | | Mineralization | | Pigmentation | | __________________________________________________________________________| Uterus | + + + + + + + + + A + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia | | Inflammation, Acute | | Endometrium, Hyperplasia | 3 3 3 2 2 2 2 3 3 2 2 3 3 3 4 2 3 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 0| 7| 7| 7| 7| 7| 7| 7| 6| 6| 0| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| DAY ON TEST | 2| 3| 3| 2| 0| 3| 3| 3| 8| 1| 1| 3| 3| 4| 1| 3| 3| 3| 0| 6| 3| 3| 3| 3| 9| | 9| 6| 6| 2| 9| 2| 2| 2| 7| 2| 3| 2| 2| 8| 2| 5| 2| 6| 4| 0| 5| 5| 2| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + A + + + + + + + + + + + + + +| Myelofibrosis | 3 3 3 2 2 3 2 | __________________________________________________________________________| Lymph Node | + + + + + M + + + M + + + + + + + + + + + + + +| Lumbar, Infiltration Cellular, | | Plasma Cell | 2 | Mandibular, Infiltration Cellular, | | Plasma Cell | 3 | Renal, Infiltration Cellular, Plasma | | Cell | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + M + + + M + + M + + + + + + + + + + +| Angiectasis | 4 1 3 | Hematopoietic Cell Proliferation | 2 2 | Infiltration Cellular, Plasma Cell | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + M + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 2 2 3 3 2 2 1 2 | Necrosis | 2 | Lymphoid Follicle, Hyperplasia | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + A M + + + + + + M + + + + + +| Angiectasis | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + M M M M M + M M + + + M + + + + M M M M +| __________________________________________________________________________| Skin | + + + + + + + + + A M + + + + + + + + + + + M +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + A + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + M + + + + + A + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | 1 1 | Infiltration Cellular, Histiocyte | 2 | __________________________________________________________________________| Nose | + + + M M + + + + A + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + A + + + + + + + + + + + + + +| Cyst | X | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 0| 7| 7| 7| 7| 7| 7| 7| 6| 6| 0| 7| 7| 6| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| DAY ON TEST | 2| 3| 3| 2| 0| 3| 3| 3| 8| 1| 1| 3| 3| 4| 1| 3| 3| 3| 0| 6| 3| 3| 3| 3| 9| | 9| 6| 6| 2| 9| 2| 2| 2| 7| 2| 3| 2| 2| 8| 2| 5| 2| 6| 4| 0| 5| 5| 2| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Degeneration | | Hydronephrosis | 2 | Cortex, Mineralization | | Papilla, Mineralization | 1 | Renal Tubule, Pigmentation | | Renal Tubule, Regeneration | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + A + + + + + + + + + M + + + +| Edema | 1 | Infiltration Cellular, | | Polymorphonuclear | 2 | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| | DAY ON TEST | 3| 2| 0| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| | | 5| 1| 9| 7| 3| 5| 5| 5| 5| 5| 5| 5| 5| 6| 5| 5| 5| 5| 5| 5| 5| 5| 6| 0| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + A + + + + + + + + A +| 44 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + M + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + M + M + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Necrosis | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| 46 | Necrosis | | 1 2.0| Lymphoid Nodule, Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Basophilic Focus | X | 2 3.0| Clear Cell Focus | | 1 3.0| Fatty Change, Diffuse | 2 | 1 2.0| Fatty Change, Focal | 1 2 | 2 1.5| Hematopoietic Cell Proliferation | | 1 2.0| Mineralization | 1 | 2 1.5| Necrosis | 2 1 | 10 1.3| __________________________________________________________________________|____________| Mesentery | +| 3 | Inflammation, Acute | | 1 3.0| Inflammation, Chronic Active | | 1 4.0| Fat, Inflammation, Chronic Active | 3| 1 3.0| Fat, Necrosis | 2| 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Acinus, Hyperplasia | 1 | 2 1.5| __________________________________________________________________________|____________| Salivary Glands | + M + + + + + + M + + + + + M + + + + + + + + + +| 45 | Mineralization | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Acanthosis | 2 2 3 2 2 | 11 1.7| Hyperkeratosis | 3 2 2 2 3 3 | 14 2.4| Inflammation, Acute | 2 2 | 2 2.0| Mineralization | | 1 1.0| Necrosis | 1 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + M A + + + + + + + + + +| 46 | Dilatation | 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 6 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| | DAY ON TEST | 3| 2| 0| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| | | 5| 1| 9| 7| 3| 5| 5| 5| 5| 5| 5| 5| 5| 6| 5| 5| 5| 5| 5| 5| 5| 5| 6| 0| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | | | | | | Hyperplasia | 2 2 | 5 2.2| Inflammation, Chronic Active | | 1 2.0| Pigmentation | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cardiomyopathy | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Capsule, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 3 2 2 2 | 38 2.1| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Accessory Adrenal Cortical Nodule | | 1 | Cyst | | 1 | Hematopoietic Cell Proliferation | 2| 2 1.5| Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 3 2 2 2 | 37 2.1| Hypertrophy | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + M + +| 44 | Degeneration | | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Parathyroid Gland | M + M + M M + M + + M M M + + + + + M + + M + M M| 29 | __________________________________________________________________________|____________| Pituitary Gland | + M M + M + + + + + + + + + + + + + + + + + + + +| 41 | Angiectasis | | 1 2.0| Pars Distalis, Angiectasis | 2 2 | 3 1.7| Pars Distalis, Hyperplasia, Focal | 2 | 1 2.0| Pars Distalis, Hyperplasia | 2 3 2 2 2 1 2 | 13 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Follicle, Cyst | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Abscess | | 1 4.0| Cyst | X X | 4 | Degeneration, Cystic | 3 2 3 4 3 | 12 2.8| Hemorrhage | 4 4 | 2 4.0| Hyperplasia | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 7 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| | DAY ON TEST | 3| 2| 0| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| | | 5| 1| 9| 7| 3| 5| 5| 5| 5| 5| 5| 5| 5| 6| 5| 5| 5| 5| 5| 5| 5| 5| 6| 0| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | | | | | | Mineralization | 1 2 | 2 1.5| Pigmentation | 2 2 2 | 3 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hemorrhage | 2 | 1 2.0| Hyperplasia | 2 | 1 2.0| Inflammation, Acute | 1 | 1 1.0| Endometrium, Hyperplasia | 2 2 2 3 2 3 2 2 2 2 3 2 2 2 3 3 2 2 | 36 2.4| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + + + + + | 30 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Myelofibrosis | 2 2 2 3 3 2 | 13 2.5| __________________________________________________________________________|____________| Lymph Node | M + + M + + + + M + + + + + + + + + + + + + + + M| 43 | Lumbar, Infiltration Cellular, | | | Plasma Cell | | 1 2.0| Mandibular, Infiltration Cellular, | | | Plasma Cell | | 1 3.0| Renal, Infiltration Cellular, Plasma | | | Cell | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | M + + M + + + M M + + + + + + + + + + + + + + + M| 41 | Angiectasis | 2 | 4 2.5| Hematopoietic Cell Proliferation | 2 | 3 2.0| Infiltration Cellular, Plasma Cell | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | 3 2 2 2 2 2 2 2 2 2 2 3 4| 24 2.2| Necrosis | | 1 2.0| Lymphoid Follicle, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + M + + + M + + + + + + M + + + M| 42 | Angiectasis | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + M + M M M M M M + M + M M + + M + M M M + +| 22 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| | DAY ON TEST | 3| 2| 0| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| | | 5| 1| 9| 7| 3| 5| 5| 5| 5| 5| 5| 5| 5| 6| 5| 5| 5| 5| 5| 5| 5| 5| 6| 0| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Congestion | 2 | 1 2.0| Hemorrhage | 1 1 | 4 1.0| Infiltration Cellular, Histiocyte | 3 | 2 2.5| __________________________________________________________________________|____________| Nose | + + + M + + + + + + + + + + M + + + + + + M M M +| 41 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cyst | | 1 | Degeneration | 2 | 1 2.0| Hydronephrosis | | 1 2.0| Cortex, Mineralization | 2 | 1 2.0| Papilla, Mineralization | | 1 1.0| Renal Tubule, Pigmentation | 3 | 1 3.0| Renal Tubule, Regeneration | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + M + + + + + + + + + + + + + + A +| 44 | Edema | | 1 1.0| Infiltration Cellular, | | | Polymorphonuclear | | 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 9 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| 3| 3| 3| 3| 8| 4| | 1| 1| 1| 1| 7| 1| 1| 1| 1| 1| 1| 1| 1| 6| 5| 2| 2| 2| 1| 7| 2| 2| 1| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .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 | + + + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + M A + + + + A + + + + A| __________________________________________________________________________| Intestine Large | + + + + +| __________________________________________________________________________| Intestine Large, Cecum | M + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + +| Lymphoid Nodule, Hyperplasia | | __________________________________________________________________________| Intestine Large, Rectum | + M + M +| __________________________________________________________________________| Intestine Small | + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + A +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + A +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Fatty Change, Diffuse | | Fatty Change, Focal | 1 1 2 1 1 | Hematopoietic Cell Proliferation | 2 | Necrosis, Coagulative | 2 | Necrosis | 2 1 | Bile Duct, Hyperplasia, Cystic | | __________________________________________________________________________| Mesentery | + | Hemorrhage | | Inflammation, Acute | 3 | Fat, Inflammation, Chronic Active | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 3 2 1 | Hyperkeratosis | 3 3 2 | Inflammation, Chronic Active | 1 | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 2 1 2 1 1 1 | Inflammation, Acute | 2 | Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + M +| Capsule, Hyperplasia | 2 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + M +| _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| 3| 3| 3| 3| 8| 4| | 1| 1| 1| 1| 7| 1| 1| 1| 1| 1| 1| 1| 1| 6| 5| 2| 2| 2| 1| 7| 2| 2| 1| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .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 | | | | Hematopoietic Cell Proliferation | | Hyperplasia | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + M +| __________________________________________________________________________| Islets, Pancreatic | + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M M + + M + + + + M| __________________________________________________________________________| Pituitary Gland | + M + + + + + +| Pars Distalis, Hyperplasia | 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + M + + + + + + + + + + + + + + +| Abscess | | Cyst | X X X | Degeneration, Cystic | 3 4 3 2 3 | Hemorrhage | 2 | Hyperplasia | 2 | Mineralization | | Pigmentation | | Bilateral, Abscess | 4 | __________________________________________________________________________| Oviduct | | __________________________________________________________________________| Uterus | + + + + + + + + + + + +| Cyst | | Inflammation, Acute | | Necrosis | 2 | Endometrium, Hyperplasia | 3 2 2 2 | __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + +| Lumbar, Angiectasis | | Lumbar, Hematopoietic Cell | | Proliferation | 2 | Lumbar, Infiltration Cellular, | | Plasma Cell | 2 2 2 | Lumbar, Infiltration Cellular, | | Histiocyte | 3 | Mediastinal, Infiltration Cellular, | | Plasma Cell | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| 3| 3| 3| 3| 8| 4| | 1| 1| 1| 1| 7| 1| 1| 1| 1| 1| 1| 1| 1| 6| 5| 2| 2| 2| 1| 7| 2| 2| 1| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .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 | | | | Pancreatic, Hematopoietic Cell | | Proliferation | | Renal, Hematopoietic Cell | | Proliferation | | Renal, Hemorrhage | | Renal, Infiltration Cellular, Plasma | | Cell | 2 2 | Renal, Infiltration Cellular, | | Histiocyte | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + +| Hematopoietic Cell Proliferation | 2 | Hemorrhage | 2 | Infiltration Cellular, Plasma Cell | 2 | Infiltration Cellular, Histiocyte | | __________________________________________________________________________| Spleen | + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 2 2 3 | Hemorrhage | | Thrombosis | | __________________________________________________________________________| Thymus | + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + M| __________________________________________________________________________| Skin | + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + +| Hemorrhage | | Infiltration Cellular, Histiocyte | | Inflammation, Chronic Active | | Pleura, Abscess | 4| __________________________________________________________________________| Nose | + M + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | | Mineralization | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| 3| 3| 3| 3| 8| 4| | 1| 1| 1| 1| 7| 1| 1| 1| 1| 1| 1| 1| 1| 6| 5| 2| 2| 2| 1| 7| 2| 2| 1| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .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 | | | | | | __________________________________________________________________________| Kidney | + + + + + + + +| Inflammation, Chronic Active | 1 | Cortex, Mineralization | | __________________________________________________________________________| Urinary Bladder | + M + + +| _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 5| 0| 7| 7| 5| 5| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 6| 6| 1| | DAY ON TEST | 3| 3| 3| 7| 4| 2| 3| 3| 5| 3| 3| 3| 7| 4| 2| 3| 3| 3| 3| 8| 3| 3| 9| 4| 0| | | 2| 2| 2| 0| 7| 9| 2| 2| 0| 6| 2| 2| 4| 4| 7| 2| 2| 2| 2| 6| 2| 2| 4| 6| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | + + + + + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + + + + M + + + A +| 41 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + +| 15 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + +| 14 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + +| 15 | Lymphoid Nodule, Hyperplasia | 2| 1 2.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + A + M + + + M + +| 10 | __________________________________________________________________________|____________| Intestine Small | + A + + + + + + + + +| 16 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + A + + + + + + + A +| 14 | __________________________________________________________________________|____________| Intestine Small, Ileum | + A + + + + + + + + +| 16 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + + + A +| 14 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Congestion | 3 | 1 3.0| Fatty Change, Diffuse | 2 | 1 2.0| Fatty Change, Focal | 1 2 1 | 8 1.3| Hematopoietic Cell Proliferation | 1 2 2 2 2 2 | 7 1.9| Necrosis, Coagulative | | 1 2.0| Necrosis | 2 1 | 4 1.5| Bile Duct, Hyperplasia, Cystic | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + + | 5 | Hemorrhage | 4 | 1 4.0| Inflammation, Acute | 3 3 | 3 3.0| Fat, Inflammation, Chronic Active | 2 | 1 2.0| Fat, Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + +| 19 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + +| 15 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | 2 2 2 2 3 1 2 | 11 2.1| Hyperkeratosis | 2 1 3 1 1 2 3 2 2 | 12 2.1| Inflammation, Chronic Active | | 1 1.0| Necrosis | 2 3 3 2 2 2 | 6 2.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + A + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 1 2 2 2 1 | 14 1.5| Inflammation, Acute | | 1 2.0| Inflammation, Chronic Active | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + +| 15 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 5| 0| 7| 7| 5| 5| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 6| 6| 1| | DAY ON TEST | 3| 3| 3| 7| 4| 2| 3| 3| 5| 3| 3| 3| 7| 4| 2| 3| 3| 3| 3| 8| 3| 3| 9| 4| 0| | | 2| 2| 2| 0| 7| 9| 2| 2| 0| 6| 2| 2| 4| 4| 7| 2| 2| 2| 2| 6| 2| 2| 4| 6| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + +| 14 | Capsule, Hyperplasia | 2 2 2 2 2 2| 7 2.0| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + +| 14 | Hematopoietic Cell Proliferation | 2 | 1 2.0| Hyperplasia | 2 2 2 2 2 2| 7 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + +| 13 | __________________________________________________________________________|____________| Islets, Pancreatic | + A + + + + + + + +| 15 | __________________________________________________________________________|____________| Parathyroid Gland | + + + M + M + + M + + + M + + + + +| 29 | __________________________________________________________________________|____________| Pituitary Gland | M + M M + + + + +| 13 | Pars Distalis, Hyperplasia | 2 | 2 2.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Follicular Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Abscess | 3 4 4 | 3 3.7| Cyst | X | 4 | Degeneration, Cystic | 2 3 2 3 | 9 2.8| Hemorrhage | | 1 2.0| Hyperplasia | | 1 2.0| Mineralization | 2 | 1 2.0| Pigmentation | 2 | 1 2.0| Bilateral, Abscess | 4 4 4 | 4 4.0| __________________________________________________________________________|____________| Oviduct | + | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + +| 30 | Cyst | X | 1 | Inflammation, Acute | 2 3 | 2 2.5| Necrosis | | 1 2.0| Endometrium, Hyperplasia | 2 3 2 2 2 2 3 3 2 2 | 14 2.3| __________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + + + + + | 26 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + +| 14 | __________________________________________________________________________________________________________________________________ * : 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: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 5| 0| 7| 7| 5| 5| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 6| 6| 1| | DAY ON TEST | 3| 3| 3| 7| 4| 2| 3| 3| 5| 3| 3| 3| 7| 4| 2| 3| 3| 3| 3| 8| 3| 3| 9| 4| 0| | | 2| 2| 2| 0| 7| 9| 2| 2| 0| 6| 2| 2| 4| 4| 7| 2| 2| 2| 2| 6| 2| 2| 4| 6| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | | | | | | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + +| 26 | Lumbar, Angiectasis | 2 | 1 2.0| Lumbar, Hematopoietic Cell | | | Proliferation | 2 2 | 3 2.0| Lumbar, Infiltration Cellular, | | | Plasma Cell | 2 2 2 2 2 | 8 2.0| Lumbar, Infiltration Cellular, | | | Histiocyte | | 1 3.0| Mediastinal, Infiltration Cellular, | | | Plasma Cell | 3 2 | 2 2.5| Pancreatic, Hematopoietic Cell | | | Proliferation | 2 | 1 2.0| Renal, Hematopoietic Cell | | | Proliferation | 2 2 | 2 2.0| Renal, Hemorrhage | 3 | 1 3.0| Renal, Infiltration Cellular, Plasma | | | Cell | 2 2 2 2 2 2 | 8 2.0| Renal, Infiltration Cellular, | | | Histiocyte | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + +| 20 | Hematopoietic Cell Proliferation | 2 | 2 2.0| Hemorrhage | | 1 2.0| Infiltration Cellular, Plasma Cell | 2 2 | 3 2.0| Infiltration Cellular, Histiocyte | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + +| 25 | Hematopoietic Cell Proliferation | 2 3 2 2 3 3 2 2 3 2 | 15 2.5| Hemorrhage | 3 | 1 3.0| Thrombosis | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + +| 12 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + M| 14 | __________________________________________________________________________|____________| Skin | + + + + + + + + + +| 16 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + +| 14 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + +| 15 | __________________________________________________________________________________________________________________________________ * : 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: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 5| 0| 7| 7| 5| 5| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| 6| 6| 1| | DAY ON TEST | 3| 3| 3| 7| 4| 2| 3| 3| 5| 3| 3| 3| 7| 4| 2| 3| 3| 3| 3| 8| 3| 3| 9| 4| 0| | | 2| 2| 2| 0| 7| 9| 2| 2| 0| 6| 2| 2| 4| 4| 7| 2| 2| 2| 2| 6| 2| 2| 4| 6| 8| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + +| 23 | Hemorrhage | 2 | 1 2.0| Infiltration Cellular, Histiocyte | 2 | 1 2.0| Inflammation, Chronic Active | 2 2 | 2 2.0| Pleura, Abscess | 3 | 2 3.5| __________________________________________________________________________|____________| Nose | + + + + + + + + +| 13 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + +| 43 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | __________________________________________________________________________|____________| Harderian Gland | + | 1 | Mineralization | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + +| 19 | Inflammation, Chronic Active | | 1 1.0| Cortex, Mineralization | 1 | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + +| 13 | __________________________________________________________________________________________________________________________________ * : 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: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 4| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 8| 7| 0| 3| 3| 3| 1| 8| 3| 3| 3| 4| 8| 3| 3| 3| 1| 6| | 0| 0| 0| 0| 0| 0| 0| 6| 5| 8| 0| 0| 0| 6| 5| 0| 0| 0| 3| 6| 0| 0| 0| 7| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + M + + + M A + + M + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + M + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + A + + + + + + A + + + A A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A + + + + + +| Lymphoid Nodule, Hyperplasia | | __________________________________________________________________________| Intestine Small, Jejunum | + + + M + + + A + + + + + + + + + + A A + + + + +| Lymphoid Nodule, Hyperplasia | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + M + + + + + +| Angiectasis | | Basophilic Focus | 2 | Cyst | | Eosinophilic Focus | 2 | Fatty Change, Focal | 2 | Fatty Change | | Hematopoietic Cell Proliferation | 1 1 2 2 2| Necrosis, Coagulative | | Necrosis | 2 | __________________________________________________________________________| Mesentery | + + + + + +| Inflammation, Acute | 3 3 2 2 3| Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + M M + + + + +| Acinus, Atrophy | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + M + + + + + +| Acanthosis | 2 2 | Hyperkeratosis | 3 1 | Inflammation, Acute | | Inflammation, Chronic Active | 2 | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + M + + + + + +| Hyperplasia | | Inflammation, Chronic Active | | Necrosis | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 4| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 8| 7| 0| 3| 3| 3| 1| 8| 3| 3| 3| 4| 8| 3| 3| 3| 1| 6| | 0| 0| 0| 0| 0| 0| 0| 6| 5| 8| 0| 0| 0| 6| 5| 0| 0| 0| 3| 6| 0| 0| 0| 7| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| Capsule, Hyperplasia | 2 2 2 2 3 3 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + M + + + + + +| Hematopoietic Cell Proliferation | 1 2 | Hyperplasia | 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Hypertrophy | 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + M + + + M + + + + + + M M + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + M M + + + + +| __________________________________________________________________________| Parathyroid Gland | + + M + + + + + M M + + + M M M M M M M + + M + M| __________________________________________________________________________| Pituitary Gland | + + + M + + + + + + + + + + + M + + M + + + + + M| Pars Distalis, Angiectasis | 2 1 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia, Focal | 2 | Pars Distalis, Hyperplasia | 2 2 2 2 2 | Pars Intermedia, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + M + + + M + + + + + +| Infiltration Cellular, Lymphocyte | 1 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Abscess | 3 4 4 4 3 4 4| Angiectasis | 2 | Cyst | X X X | Degeneration, Cystic | 2 2 | Hemorrhage | 4 3 | Inflammation, Acute | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hemorrhage | | Inflammation, Acute | 1 2 | Mineralization | | Necrosis | | Endometrium, Hyperplasia | 2 4 3 3 3 3 2 2 3 2 2 2 3 2 2| __________________________________________________________________________| Vagina | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 4| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 8| 7| 0| 3| 3| 3| 1| 8| 3| 3| 3| 4| 8| 3| 3| 3| 1| 6| | 0| 0| 0| 0| 0| 0| 0| 6| 5| 8| 0| 0| 0| 6| 5| 0| 0| 0| 3| 6| 0| 0| 0| 7| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + M + + + + + +| Myelofibrosis | 2 | __________________________________________________________________________| Lymph Node | + + + M + + + + + + + + + + + M + + M + + + + + +| Hematopoietic Cell Proliferation | | Lumbar, Hematopoietic Cell | | Proliferation | 3 4 | Lumbar, Infiltration Cellular, | | Plasma Cell | 3 2 2 3| Mandibular, Hematopoietic Cell | | Proliferation | 3 | Mediastinal, Hematopoietic Cell | | Proliferation | 3 | Mediastinal, Infiltration Cellular, | | Plasma Cell | 3 | Pancreatic, Angiectasis | | Pancreatic, Hematopoietic Cell | | Proliferation | | Renal, Hematopoietic Cell | | Proliferation | 3 3 | Renal, Infiltration Cellular, Plasma | | Cell | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + + + + + + + + + + M + + M + + + + + +| Angiectasis | 1 1 | Depletion Lymphoid | 2 | Hematopoietic Cell Proliferation | 2 3 3 1| Infiltration Cellular, Plasma Cell | 2| Necrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + M + + + + + +| Angiectasis | 3 | Atrophy | | Hematopoietic Cell Proliferation | 2 2 3 3 3 2 2 2 2 2 2 2 2 3 2 4 3| Lymphoid Follicle, Hyperplasia | 2 2 | __________________________________________________________________________| Thymus | + + + + + + + M + + + + + + + + + + M M + + + + +| Depletion Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + M M M + M + M + M M M + + + + M + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | 2 | Cyst Epithelial Inclusion | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 4| 4| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 8| 7| 0| 3| 3| 3| 1| 8| 3| 3| 3| 4| 8| 3| 3| 3| 1| 6| | 0| 0| 0| 0| 0| 0| 0| 6| 5| 8| 0| 0| 0| 6| 5| 0| 0| 0| 3| 6| 0| 0| 0| 7| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | + + + + + + + + + + + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + M + + + + + +| Bacterium | 1 | Hemorrhage | 2 | Infiltration Cellular, Histiocyte | | Inflammation, Acute | 1 3 1 2 | Pleura, Inflammation, Acute | 3 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + M + + M + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | +| __________________________________________________________________________| Harderian Gland | +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + M + + + + + +| Inflammation, Acute | | Cortex, Mineralization | 1 | Papilla, Mineralization | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + M + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 5| 3| 3| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 2| 0| 3| 3| 3| 3| 2| 3| 3| 3| 0| 1| 3| 3| 8| 4| 4| | | 0| 0| 0| 0| 2| 1| 1| 1| 2| 3| 1| 1| 1| 0| 7| 1| 1| 1| 5| 4| 1| 1| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + A| 45 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + A + + + + + + + + + + + + + + + + + + + A| 47 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + A + + + + + + + + + + + + + + + + + + + A| 46 | __________________________________________________________________________|____________| Intestine Small | + + + + A + + + + + + + + + + + + + + + + + + + A| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + A + + + + + + + + + + + + + + + + + + + A| 44 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + M + A + + + + + + + + + + + + + + + + + + + A| 46 | Lymphoid Nodule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + + + + + + + + + A| 44 | Lymphoid Nodule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 1 3 | 2 2.0| Basophilic Focus | X | 2 2.0| Cyst | X X | 2 | Eosinophilic Focus | X | 2 2.0| Fatty Change, Focal | 1 | 2 1.5| Fatty Change | 1| 1 1.0| Hematopoietic Cell Proliferation | 2 2 | 7 1.7| Necrosis, Coagulative | 1 | 1 1.0| Necrosis | 1 2 2 | 4 1.8| __________________________________________________________________________|____________| Mesentery | + + + | 9 | Inflammation, Acute | 3 3 3 | 8 2.8| Fat, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + M +| 47 | Acinus, Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | 2 3 2 3 2 | 7 2.3| Hyperkeratosis | 2 2 1 2 3 2 2 | 9 2.0| Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 2 2.0| Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + A + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 1 2.0| Necrosis | 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 22 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 5| 3| 3| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 2| 0| 3| 3| 3| 3| 2| 3| 3| 3| 0| 1| 3| 3| 8| 4| 4| | | 0| 0| 0| 0| 2| 1| 1| 1| 2| 3| 1| 1| 1| 0| 7| 1| 1| 1| 5| 4| 1| 1| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | | | | | | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Capsule, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | 43 2.1| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hematopoietic Cell Proliferation | 2 2 1 | 5 1.6| Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | 39 2.0| Hypertrophy | | 1 1.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + M + M + + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + M + + M +| 46 | __________________________________________________________________________|____________| Parathyroid Gland | + M M + M M + + + M M + M + M + + + + M + + M + +| 28 | __________________________________________________________________________|____________| Pituitary Gland | + + + + M M + + + M + + + + + + + + M M + + M M M| 38 | Pars Distalis, Angiectasis | 2 1 2 | 5 1.6| Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia, Focal | | 1 2.0| Pars Distalis, Hyperplasia | 2 2 2 | 8 2.0| Pars Intermedia, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Infiltration Cellular, Lymphocyte | | 1 1.0| Follicle, Cyst | | 1 | Follicular Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Abscess | 4 4 4 4 | 11 3.8| Angiectasis | 1 | 2 1.5| Cyst | X X X X X X| 9 | Degeneration, Cystic | 3 2 3 3 4 | 7 2.7| Hemorrhage | | 2 3.5| Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 23 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 5| 3| 3| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 2| 0| 3| 3| 3| 3| 2| 3| 3| 3| 0| 1| 3| 3| 8| 4| 4| | | 0| 0| 0| 0| 2| 1| 1| 1| 2| 3| 1| 1| 1| 0| 7| 1| 1| 1| 5| 4| 1| 1| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | | | | | | Hemorrhage | 3 | 1 3.0| Inflammation, Acute | | 2 1.5| Mineralization | 2 | 1 2.0| Necrosis | 2 | 1 2.0| Endometrium, Hyperplasia | 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 | 33 2.3| __________________________________________________________________________|____________| Vagina | + | 1 | Inflammation, Chronic Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + | 22 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Myelofibrosis | 3 3 3 3 | 5 2.8| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + M + + + + + + + + A| 45 | Hematopoietic Cell Proliferation | 2 | 1 2.0| Lumbar, Hematopoietic Cell | | | Proliferation | 3 2 2 2 | 6 2.7| Lumbar, Infiltration Cellular, | | | Plasma Cell | 3 | 5 2.6| Mandibular, Hematopoietic Cell | | | Proliferation | 2 | 2 2.5| Mediastinal, Hematopoietic Cell | | | Proliferation | | 1 3.0| Mediastinal, Infiltration Cellular, | | | Plasma Cell | | 1 3.0| Pancreatic, Angiectasis | 3 | 1 3.0| Pancreatic, Hematopoietic Cell | | | Proliferation | 2 2 | 2 2.0| Renal, Hematopoietic Cell | | | Proliferation | 2 2 | 4 2.5| Renal, Infiltration Cellular, Plasma | | | Cell | 3 | 3 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + M + + + + M + + + A| 44 | Angiectasis | 2 1 | 4 1.3| Depletion Lymphoid | | 1 2.0| Hematopoietic Cell Proliferation | 2 1 2 | 7 2.0| Infiltration Cellular, Plasma Cell | 3 | 2 2.5| Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | | 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 24 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 4| 3| 7| 7| 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 5| 3| 3| | DAY ON TEST | 3| 3| 3| 3| 7| 3| 3| 3| 2| 0| 3| 3| 3| 3| 2| 3| 3| 3| 0| 1| 3| 3| 8| 4| 4| | | 0| 0| 0| 0| 2| 1| 1| 1| 2| 3| 1| 1| 1| 0| 7| 1| 1| 1| 5| 4| 1| 1| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | | | | | | Atrophy | 3 | 1 3.0| Hematopoietic Cell Proliferation | 2 2 2 3 3 3 2 2 2 3 3 2 4 4 2 | 32 2.5| Lymphoid Follicle, Hyperplasia | 2 | 3 2.0| __________________________________________________________________________|____________| Thymus | + + + + M + + + M + + + + + + + + + + M + + M M +| 42 | Depletion Lymphoid | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M + + + + + + + + + M + + + + M M + + M + + M M| 32 | __________________________________________________________________________|____________| Skin | M + + + + + + + + + + + + + M + + + + + + + + + +| 48 | Bacterium | | 1 2.0| Cyst Epithelial Inclusion | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Bacterium | 2 | 2 1.5| Hemorrhage | | 1 2.0| Infiltration Cellular, Histiocyte | 1 | 1 1.0| Inflammation, Acute | | 4 1.8| Pleura, Inflammation, Acute | | 2 2.5| __________________________________________________________________________|____________| Nose | + + + + + + + M + + + + + M + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | __________________________________________________________________________|____________| Harderian Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Acute | 2 | 1 2.0| Cortex, Mineralization | | 1 1.0| Papilla, Mineralization | 1 | 2 1.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + A + + + + + + + + + + + + + + + + + + + A| 47 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 25 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 0| 7| 7| 6| 7| 7| 7| 7| 5| 3| 7| 7| 7| 7| 3| 7| 7| 7| 6| 5| DAY ON TEST | 3| 3| 3| 3| 3| 0| 3| 3| 0| 3| 3| 3| 3| 4| 9| 3| 3| 3| 3| 1| 3| 3| 3| 8| 2| | 3| 2| 2| 2| 3| 3| 2| 2| 6| 2| 2| 2| 2| 1| 0| 2| 2| 2| 3| 0| 2| 2| 2| 0| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 + + + + + + + + + M + + + + + + + + + M| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + A| Hemorrhage | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + M + + + + + + +| Epithelium, Hyperplasia | 2 | Lymphoid Nodule, Hyperplasia | 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Fatty Change, Focal | 1| Necrosis | 3 2 | __________________________________________________________________________| Mesentery | + | Fat, Inflammation, Chronic Active | 3 | Fat, Mineralization | 1 | __________________________________________________________________________| Pancreas | + M + + + + + + + + + + + + + + + + + + + + + + M| Acinus, Atrophy | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Submucosa, Inflammation, Chronic | | Active | 1 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis, Focal | | Acanthosis | 2 | Hyperkeratosis | 4 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + A| Hyperplasia | | Inflammation, Chronic Active | | Mineralization | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Hyperplasia, Focal | 3 | Capsule, Hyperplasia | 2 2 2 2 2 2 3 1 2 2 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 0| 7| 7| 6| 7| 7| 7| 7| 5| 3| 7| 7| 7| 7| 3| 7| 7| 7| 6| 5| DAY ON TEST | 3| 3| 3| 3| 3| 0| 3| 3| 0| 3| 3| 3| 3| 4| 9| 3| 3| 3| 3| 1| 3| 3| 3| 8| 2| | 3| 2| 2| 2| 3| 3| 2| 2| 6| 2| 2| 2| 2| 1| 0| 2| 2| 2| 3| 0| 2| 2| 2| 0| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Accessory Adrenal Cortical Nodule | | Hyperplasia | 2 2 2 2 2 2 2 3 1 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 2 | __________________________________________________________________________| Islets, Pancreatic | + M + + + + + + + + + + + + + + + + + + + + + + M| Hyperplasia | 1 | __________________________________________________________________________| Parathyroid Gland | + + M + + M + + + + + + M M M M M + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + M + + + + + + M M M M M M + + + +| Pars Distalis, Hyperplasia, | | Adenomatous | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + M + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + +| Dilatation | 2 2 2| Inflammation, Acute | | Inflammation, Chronic Active | 2 2 2 | Necrosis | 1 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Acute | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | Spermatocele | | Seminiferous Tubule, Atrophy | | Seminiferous Tubule, Mineralization | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + M + + + + + + M + + M| Axillary, Infiltration Cellular, | | Plasma Cell | | Axillary, Infiltration Cellular, | | Lymphocyte | 2 | Inguinal, Infiltration Cellular, | | Lymphocyte | 2 | Lumbar, Infiltration Cellular, | | Plasma Cell | | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 0| 7| 7| 6| 7| 7| 7| 7| 5| 3| 7| 7| 7| 7| 3| 7| 7| 7| 6| 5| DAY ON TEST | 3| 3| 3| 3| 3| 0| 3| 3| 0| 3| 3| 3| 3| 4| 9| 3| 3| 3| 3| 1| 3| 3| 3| 8| 2| | 3| 2| 2| 2| 3| 3| 2| 2| 6| 2| 2| 2| 2| 1| 0| 2| 2| 2| 3| 0| 2| 2| 2| 0| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Lumbar, Infiltration Cellular, | | Lymphocyte | 2 | Mediastinal, Infiltration Cellular, | | Histiocyte | 2 | Renal, Infiltration Cellular, Plasma | | Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + M + + + + + + M + + M| Angiectasis | 2 2 2 3 3 1 2 2 2 2 | Hematopoietic Cell Proliferation | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | Hematopoietic Cell Proliferation | 2 1 1 1 2 3 1 2 2 | Hyperplasia, Lymphoid | 2 | Lymphoid Follicle, Hyperplasia | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + M + + + + + +| Hyperplasia, Basal Cell | 1 | Necrosis | 2 | Inguinal, Fungus | 3 | Inguinal, Inflammation, Chronic | | Active | 3 | Inguinal, Necrosis | 2 | Prepuce, Inflammation, Chronic Active| 2 | Prepuce, Necrosis | 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Joint, Hyperostosis | 2 | Tarsal, Hyperostosis | 3 3 2 3 2 2 2 3 3 2 2 3 3 3 3 2 2 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 1 1 | Infiltration Cellular, Histiocyte | 3 | Inflammation, Acute | 2 | Alveolar Epithelium, Hyperplasia | 2 2 | __________________________________________________________________________| Nose | + + + + M + M + + + + + M + + + M + + + + + M + +| _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 0| 7| 7| 6| 7| 7| 7| 7| 5| 3| 7| 7| 7| 7| 3| 7| 7| 7| 6| 5| DAY ON TEST | 3| 3| 3| 3| 3| 0| 3| 3| 0| 3| 3| 3| 3| 4| 9| 3| 3| 3| 3| 1| 3| 3| 3| 8| 2| | 3| 2| 2| 2| 3| 3| 2| 2| 6| 2| 2| 2| 2| 1| 0| 2| 2| 2| 3| 0| 2| 2| 2| 0| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | | | | Edema | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Cortex, Mineralization | 1 1 1 1 3 1 1 1 1 2| Papilla, Mineralization | 1 | Papilla, Necrosis | 1 | Renal Tubule, Regeneration | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + M| Calculus Micro Observation Only | | Mineralization | 1 | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 7| 1| | | 2| 2| 3| 3| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 3| 3| 2| 3| 2| 3| 3| 3| 6| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 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 + + + + M + + + M +| 44 | __________________________________________________________________________|____________| Gallbladder | + + + + + M + + + + + + + + + + + + + M + + + + M| 46 | Hemorrhage | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Epithelium, Hyperplasia | | 1 2.0| Lymphoid Nodule, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fatty Change, Focal | 1 | 2 1.0| Necrosis | 2 2 | 4 2.3| __________________________________________________________________________|____________| Mesentery | | 1 | Fat, Inflammation, Chronic Active | | 1 3.0| Fat, Mineralization | | 1 1.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + A + + + + +| 47 | Acinus, Atrophy | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Submucosa, Inflammation, Chronic | | | Active | | 1 1.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Acanthosis, Focal | 4 | 1 4.0| Acanthosis | 1 | 2 1.5| Hyperkeratosis | 2 2 1 2 1 | 7 2.1| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + A M + + + +| 47 | Hyperplasia | 1 1 | 2 1.0| Inflammation, Chronic Active | 2 2 1 | 3 1.7| Mineralization | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Cardiomyopathy | 2 | 1 2.0| Inflammation, Chronic Active | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | 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 30 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 7| 1| | | 2| 2| 3| 3| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 3| 3| 2| 3| 2| 3| 3| 3| 6| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + M + + + + + + + + + + + + + + A + + + + +| 48 | Capsule, Hyperplasia, Focal | | 1 3.0| Capsule, Hyperplasia | 2 2 2 2 1 1 2 2 2 2 2 2 1 | 23 1.9| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + M + + + + + + + + + + + + + + A + + + + +| 48 | Accessory Adrenal Cortical Nodule | X | 1 | Hyperplasia | 2 2 2 2 1 2 2 2 2 2 2 | 22 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + M + + + + + + + + + + + + + + A + + + + +| 48 | Hyperplasia | 2 3 1 | 7 1.9| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + M + + + + +| 47 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Parathyroid Gland | M M M M + M + M + + + M + M + + + + M M + + + M +| 31 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + M + M + + + + + + + + + M M M + + + +| 38 | Pars Distalis, Hyperplasia, | | | Adenomatous | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + | 12 | Dilatation | 3 3 | 5 2.4| Inflammation, Acute | 3 | 1 3.0| Inflammation, Chronic Active | 3 | 4 2.3| Necrosis | 3 3 | 4 2.3| __________________________________________________________________________|____________| Prostate | + + + + + + + + + M + + + + + + + + + A + + + + +| 48 | Inflammation, Acute | 3| 2 3.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Hemorrhage | 2| 1 2.0| Inflammation, Acute | 2| 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Atrophy | | 1 3.0| Spermatocele | X | 1 | Seminiferous Tubule, Atrophy | 1 | 1 1.0| Seminiferous Tubule, Mineralization | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC 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 31 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 7| 1| | | 2| 2| 3| 3| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 3| 3| 2| 3| 2| 3| 3| 3| 6| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + + M + + + + + + + + + + + + + M + M + + + + +| 44 | Axillary, Infiltration Cellular, | | | Plasma Cell | 3 | 1 3.0| Axillary, Infiltration Cellular, | | | Lymphocyte | | 1 2.0| Inguinal, Infiltration Cellular, | | | Lymphocyte | | 1 2.0| Lumbar, Infiltration Cellular, | | | Plasma Cell | 2 2| 2 2.0| Lumbar, Infiltration Cellular, | | | Lymphocyte | | 1 2.0| Mediastinal, Infiltration Cellular, | | | Histiocyte | | 1 2.0| Renal, Infiltration Cellular, Plasma | | | Cell | 2| 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + M + + + + + + + + + + + + + M + M + + + + +| 44 | Angiectasis | 2 2 2 2 1 2 2 2 2 3 | 20 2.1| Hematopoietic Cell Proliferation | 1 1 2 | 4 1.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | Fibrosis | | 1 3.0| Hematopoietic Cell Proliferation | 1 2 2 1 1 2 2 2 3 2| 19 1.7| Hyperplasia, Lymphoid | | 1 2.0| Lymphoid Follicle, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + M + + + + M + + M + +| 47 | Atrophy | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M + M M M M M + M M M M M M M + M + M M| 4 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + M + + + + + A + + + + +| 47 | Hyperplasia, Basal Cell | | 1 1.0| Necrosis | | 1 2.0| Inguinal, Fungus | | 1 3.0| Inguinal, Inflammation, Chronic | | | Active | | 1 3.0| Inguinal, Necrosis | | 1 2.0| Prepuce, Inflammation, Chronic Active| 2 | 2 2.0| Prepuce, Necrosis | 2 | 2 1.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 4| | DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 7| 1| | | 2| 2| 3| 3| 2| 2| 2| 2| 2| 4| 2| 2| 2| 2| 2| 3| 3| 2| 3| 2| 3| 3| 3| 6| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | Joint, Hyperostosis | | 1 2.0| Tarsal, Hyperostosis | 3 3 4 3 3 3 3 2 3 3 3 3 3 4 3 3 3| 35 2.8| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Hemorrhage | 2 1 3 | 6 1.5| Infiltration Cellular, Histiocyte | 2 | 2 2.5| Inflammation, Acute | 2| 2 2.0| Alveolar Epithelium, Hyperplasia | 2 | 3 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + M + + + + + + M + M + + M + M + + +| 40 | Edema | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | __________________________________________________________________________|____________| Harderian Gland | + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Bacterium | 1| 1 1.0| Cortex, Mineralization | 1 1 1 1 1 1 | 16 1.2| Papilla, Mineralization | 1 | 2 1.0| Papilla, Necrosis | | 1 1.0| Renal Tubule, Regeneration | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Calculus Micro Observation Only | X | 1 | Mineralization | | 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 33 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 4| 2| 1| 0| 7| 7| 6| 5| 0| 7| 7| 4| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 0| 4| 0| 3| 3| 8| 6| 0| 3| 0| 6| 9| 3| 3| 3| 2| 0| | 1| 1| 1| 1| 5| 1| 5| 1| 8| 3| 3| 1| 1| 3| 1| 3| 1| 7| 3| 0| 1| 1| 1| 6| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .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 | + M M + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + A + + + A M A + + + + A + + + + + + + A M| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| Anus, Inflammation, Chronic Active | | Anus, Necrosis | | __________________________________________________________________________| Intestine Large, Cecum | + + + + A + + + + + + + + + + M + + + + + + + A +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoid Nodule, Hyperplasia | 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + A + + + + + + + + + + M + + M + + + + M +| __________________________________________________________________________| Intestine Small | + + + + + + + + A + + + + + + + + + + + + + + A +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + A + A + + + + M + + + + + + + A +| Necrosis | | __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + A + M + + + + + + + + + + + + A +| Lymphoid Nodule, Hyperplasia | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + A + + + A M A + + + + M + + + + + + + A +| Lymphoid Nodule, Hyperplasia | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Fatty Change, Focal | 1 | Hematopoietic Cell Proliferation | | Necrosis, Coagulative | 1| Necrosis | 2 2 | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Hypertrophy | 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 | Hyperkeratosis | 2 2 | Inflammation, Acute | 1| Necrosis | 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Necrosis | | Pigmentation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 1 | Inflammation, Chronic Active | 2 | Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 4| 2| 1| 0| 7| 7| 6| 5| 0| 7| 7| 4| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 0| 4| 0| 3| 3| 8| 6| 0| 3| 0| 6| 9| 3| 3| 3| 2| 0| | 1| 1| 1| 1| 5| 1| 5| 1| 8| 3| 3| 1| 1| 3| 1| 3| 1| 7| 3| 0| 1| 1| 1| 6| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Hyperplasia, Focal | 3 | Capsule, Hyperplasia | 2 2 2 2 2 1 1 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Hemorrhage | 2 | Hyperplasia | 2 2 2 2 2 1 1 | __________________________________________________________________________| Adrenal Gland, Medulla | M + + + M + + + + + M M + + + + + + + + + + + + +| Hyperplasia | 1 1 2 2 3 | __________________________________________________________________________| Islets, Pancreatic | + + M + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M M M M + M + + M + M + + + M M + + + + M + + +| __________________________________________________________________________| Pituitary Gland | + + + + M + + + + + + + + + + + M + + + + + + + M| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + | Dilatation | 3 | Inflammation, Chronic | 3 | Inflammation, Chronic Active | 3 | Necrosis | 2 2 4 | __________________________________________________________________________| Prostate | M + + + + M + + + + + + + + + + + + + + + + + M +| Inflammation, Acute | 3 3 | Inflammation, Chronic Active | 3 3 | Necrosis | | Epithelium, Hyperplasia | 2 3 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Seminiferous Tubule, Atrophy | 2 | Seminiferous Tubule, Mineralization | 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + M M + + + + + + + + + + + + + M +| Axillary, Infiltration Cellular, | | Plasma Cell | 3 2 | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 4| 2| 1| 0| 7| 7| 6| 5| 0| 7| 7| 4| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 0| 4| 0| 3| 3| 8| 6| 0| 3| 0| 6| 9| 3| 3| 3| 2| 0| | 1| 1| 1| 1| 5| 1| 5| 1| 8| 3| 3| 1| 1| 3| 1| 3| 1| 7| 3| 0| 1| 1| 1| 6| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Lumbar, Hematopoietic Cell | | Proliferation | 2| Lumbar, Hyperplasia, Plasma Cell | | Lumbar, Infiltration Cellular, | | Plasma Cell | 3 3 2 2 | Lumbar, Infiltration Cellular, | | Histiocyte | | Pancreatic, Hematopoietic Cell | | Proliferation | | Renal, Hematopoietic Cell | | Proliferation | | Renal, Infiltration Cellular, Plasma | | Cell | 3 2 | Renal, Infiltration Cellular, | | Histiocyte | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + M M + + + + + + + + + + + + + M +| Angiectasis | 2 2 1 2 1 2 2 3 2 4 2 2 2 2 | Hematopoietic Cell Proliferation | 2 2 3 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 2 2 | Hematopoietic Cell Proliferation | 2 2 3 2 3 2 3 3 3| __________________________________________________________________________| Thymus | + + + M M M + + + M A + + + M + + + + + + + + M M| Atrophy | | Depletion Lymphoid | 3 4 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M + M M M + M M + M M M M M M + M M +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Acute | | Inflammation, Chronic Active | | Necrosis | 2 | Prepuce, Acanthosis | | Prepuce, Hemorrhage | 3 | Prepuce, Inflammation, Chronic Active| 2 | Prepuce, Necrosis | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | 3 3 3 3 3 3 2 3 3 3 2 3 3 3 3 3| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 4| 2| 1| 0| 7| 7| 6| 5| 0| 7| 7| 4| 3| 7| 7| 7| 4| 3| DAY ON TEST | 3| 3| 3| 3| 2| 3| 3| 3| 0| 4| 0| 3| 3| 8| 6| 0| 3| 0| 6| 9| 3| 3| 3| 2| 0| | 1| 1| 1| 1| 5| 1| 5| 1| 8| 3| 3| 1| 1| 3| 1| 3| 1| 7| 3| 0| 1| 1| 1| 6| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .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| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 4 3 | Hemorrhage | 2 3 | Infiltration Cellular, Histiocyte | | Inflammation, Acute | 3 | Alveolar Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Nose | M + + + + + + + + M + + + M + + + + + + + + + M +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | Casts Protein | 2 | Congestion | 2 | Hydronephrosis | 3 | Inflammation, Acute | 1 2 2 | Inflammation, Chronic Active | 3 | Cortex, Mineralization | 1 2 | Papilla, Necrosis | 4 | Renal Tubule, Casts Protein | 2 | __________________________________________________________________________| Urinary Bladder | + + + + A + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Inflammation, Acute | 2 | Inflammation, Chronic Active | 3 2| Necrosis | 3 | Transitional Epithelium, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 4| 2| 7| 7| 7| 6| 4| 7| 6| 5| 5| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 3| 3| 3| 1| 4| 3| 3| 4| 4| 3| 3| 3| 3| 4| 1| 3| 5| 8| 1| 9| 3| 3| 3| 4| 5| | | 1| 1| 1| 7| 5| 1| 1| 6| 3| 9| 1| 1| 1| 5| 6| 1| 9| 9| 5| 2| 2| 2| 1| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Gallbladder | + + + + A + + + + + + + + + + + + + M A + + + + +| 40 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Anus, Inflammation, Chronic Active | 2 | 1 2.0| Anus, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Lymphoid Nodule, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + A + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| 45 | Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A + + + + +| 44 | Lymphoid Nodule, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| 43 | Lymphoid Nodule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Fatty Change, Focal | | 1 1.0| Hematopoietic Cell Proliferation | 2 | 1 2.0| Necrosis, Coagulative | | 1 1.0| Necrosis | 3 2 2 2 2 3 | 8 2.3| __________________________________________________________________________|____________| Mesentery | + | 2 | Fat, Necrosis | 2 | 2 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Hypertrophy | 1 | 2 1.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 2 | 3 2.0| Hyperkeratosis | 2 2 2 | 5 2.0| Inflammation, Acute | | 1 1.0| Necrosis | 2 2 | 3 1.7| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 | 1 1.0| Necrosis | 2 1 | 2 1.5| Pigmentation | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 4| 2| 7| 7| 7| 6| 4| 7| 6| 5| 5| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 3| 3| 3| 1| 4| 3| 3| 4| 4| 3| 3| 3| 3| 4| 1| 3| 5| 8| 1| 9| 3| 3| 3| 4| 5| | | 1| 1| 1| 7| 5| 1| 1| 6| 3| 9| 1| 1| 1| 5| 6| 1| 9| 9| 5| 2| 2| 2| 1| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 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| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 2 1.0| Inflammation, Chronic Active | | 1 2.0| Thrombosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Capsule, Hyperplasia, Focal | 4 | 2 3.5| Capsule, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 | 22 1.9| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | X | 1 | Hemorrhage | | 1 2.0| Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 | 23 1.9| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + M + + + + + + + + + + + + + + M + +| 44 | Hyperplasia | 2 2 1 2 1 | 10 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + M M + M + + + + M + + + + + + + + + + + M + +| 35 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + M + M + M + + + + + +| 44 | Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + A + +| 15 | Dilatation | 2 3| 3 2.7| Inflammation, Chronic | | 1 3.0| Inflammation, Chronic Active | 2 2 2| 4 2.3| Necrosis | 3 | 4 2.8| __________________________________________________________________________|____________| Prostate | + + + + + + + + + M + + + + + + + + + + + + + + +| 46 | Inflammation, Acute | | 2 3.0| Inflammation, Chronic Active | | 2 3.0| Necrosis | 4| 1 4.0| Epithelium, Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 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 39 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 4| 2| 7| 7| 7| 6| 4| 7| 6| 5| 5| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 3| 3| 3| 1| 4| 3| 3| 4| 4| 3| 3| 3| 3| 4| 1| 3| 5| 8| 1| 9| 3| 3| 3| 4| 5| | | 1| 1| 1| 7| 5| 1| 1| 6| 3| 9| 1| 1| 1| 5| 6| 1| 9| 9| 5| 2| 2| 2| 1| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 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 | | | | | | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Seminiferous Tubule, Atrophy | 3 | 2 2.5| Seminiferous Tubule, Mineralization | | 2 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + + + + + + + + | 14 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + M + + M + + + + + + + + + + + + + + + + +| 45 | Axillary, Infiltration Cellular, | | | Plasma Cell | | 2 2.5| Lumbar, Hematopoietic Cell | | | Proliferation | 2 2 | 3 2.0| Lumbar, Hyperplasia, Plasma Cell | 2 | 1 2.0| Lumbar, Infiltration Cellular, | | | Plasma Cell | 2 2 2 | 7 2.3| Lumbar, Infiltration Cellular, | | | Histiocyte | 2 | 1 2.0| Pancreatic, Hematopoietic Cell | | | Proliferation | 2 | 1 2.0| Renal, Hematopoietic Cell | | | Proliferation | 2 | 1 2.0| Renal, Infiltration Cellular, Plasma | | | Cell | | 2 2.5| Renal, Infiltration Cellular, | | | Histiocyte | 2 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + M + + M + M + + + + + + M M + + + + + + +| 42 | Angiectasis | 2 2 3 2 2 | 19 2.1| Hematopoietic Cell Proliferation | 3 3 | 6 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Depletion Lymphoid | | 2 2.0| Hematopoietic Cell Proliferation | 2 3 2 2 3 4 2 2 2 3 2 2 2 2 2 2| 25 2.4| __________________________________________________________________________|____________| Thymus | + + + + A + + + M M + + + + + + M M M + + + + + +| 36 | Atrophy | 2 | 1 2.0| Depletion Lymphoid | 3 2| 4 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M + M M + M M M M M M M M M M + M M M M M M| 8 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 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 40 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 4| 2| 7| 7| 7| 6| 4| 7| 6| 5| 5| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 3| 3| 3| 1| 4| 3| 3| 4| 4| 3| 3| 3| 3| 4| 1| 3| 5| 8| 1| 9| 3| 3| 3| 4| 5| | | 1| 1| 1| 7| 5| 1| 1| 6| 3| 9| 1| 1| 1| 5| 6| 1| 9| 9| 5| 2| 2| 2| 1| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 1 2.0| Necrosis | 3 | 2 2.5| Prepuce, Acanthosis | 3 | 1 3.0| Prepuce, Hemorrhage | | 1 3.0| Prepuce, Inflammation, Chronic Active| | 1 2.0| Prepuce, Necrosis | 2 3 | 3 2.7| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tarsal, Hyperostosis | 2 3 4 2 4 3 3 4 2 4 3 4 3 3 3 3 3 | 33 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | | 2 3.5| Hemorrhage | | 2 2.5| Infiltration Cellular, Histiocyte | 2 | 1 2.0| Inflammation, Acute | 1 | 2 2.0| Alveolar Epithelium, Hyperplasia | 1 | 2 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + M + + +| 45 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 3.0| Casts Protein | 2 2 | 3 2.0| Congestion | | 1 2.0| Hydronephrosis | | 1 3.0| Inflammation, Acute | 4 | 4 2.3| Inflammation, Chronic Active | | 1 3.0| Cortex, Mineralization | 2 2| 4 1.8| Papilla, Necrosis | 3 | 2 3.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 41 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 6| 4| 2| 7| 7| 7| 6| 4| 7| 6| 5| 5| 4| 7| 7| 7| 6| 4| | DAY ON TEST | 3| 3| 3| 1| 4| 3| 3| 4| 4| 3| 3| 3| 3| 4| 1| 3| 5| 8| 1| 9| 3| 3| 3| 4| 5| | | 1| 1| 1| 7| 5| 1| 1| 6| 3| 9| 1| 1| 1| 5| 6| 1| 9| 9| 5| 2| 2| 2| 1| 5| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Renal Tubule, Casts Protein | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Calculus Micro Observation Only | X X | 2 | Inflammation, Acute | 2 | 2 2.0| Inflammation, Chronic Active | | 2 2.5| Necrosis | 2 2 | 3 2.3| Transitional Epithelium, Hyperplasia | 1 | 2 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 42 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| 7| 7| 7| 6| 4| 7| 7| 7| 5| 3| DAY ON TEST | 3| 3| 3| 3| 4| 3| 3| 3| 2| 6| 3| 3| 2| 2| 3| 3| 3| 3| 3| 0| 3| 1| 3| 1| 0| | 1| 1| 1| 1| 6| 1| 1| 1| 2| 7| 1| 1| 5| 0| 8| 1| 1| 1| 4| 8| 1| 7| 1| 5| 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| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 M + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + M + + + + + A A + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + M M + + + + + + + + + + + + + + + A + + + + + +| Inflammation, Acute | 4 | Necrosis | 3 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + A A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + M + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Clear Cell Focus | X X | Cyst | X | Fatty Change, Focal | | Hematopoietic Cell Proliferation | 2 | Hemorrhage | | Mineralization | 1 | Necrosis | 4 2 3 2 | Pigmentation | 1 | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + M + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + M + + + M + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + M + + + M + + + + + +| Acanthosis, Focal | | Acanthosis | 1 | Hyperkeratosis | 2 1 | Inflammation, Chronic Active | | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + M + + + M + + + + + +| Hyperplasia | 1 | Necrosis | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Hyperplasia | 2 2 2 2 2 2 2 1 2 2 2 1 2 2 1 2 2 2 1 | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| 7| 7| 7| 6| 4| 7| 7| 7| 5| 3| DAY ON TEST | 3| 3| 3| 3| 4| 3| 3| 3| 2| 6| 3| 3| 2| 2| 3| 3| 3| 3| 3| 0| 3| 1| 3| 1| 0| | 1| 1| 1| 1| 6| 1| 1| 1| 2| 7| 1| 1| 5| 0| 8| 1| 1| 1| 4| 8| 1| 7| 1| 5| 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| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Accessory Adrenal Cortical Nodule | X | Hyperplasia | 2 2 2 2 2 2 1 2 2 1 2 2 2 2 2 1 | Hypertrophy | 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Parathyroid Gland | M M + + + + M M + + M + + + + M + M M M M + + + M| Cyst | | Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + M + M + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + M M + + + + + +| Cyst | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + +| Dilatation | 3 3 3 | Inflammation, Acute | 3 2| Inflammation, Chronic Active | | Necrosis | 2 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 3| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Hyperplasia | 2 | Seminiferous Tubule, Atrophy | | Seminiferous Tubule, Mineralization | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | __________________________________________________________________________| Lymph Node | + + M + M + + + + + + + M + + + + + M + + + + M +| Axillary, Infiltration Cellular, | | Plasma Cell | 3 | Lumbar, Infiltration Cellular, | | Plasma Cell | 3| Lumbar, Inflammation, Acute | 2 | Mandibular, Necrosis | | _____________________________________________________________________________________________________________________| Page 44 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| 7| 7| 7| 6| 4| 7| 7| 7| 5| 3| DAY ON TEST | 3| 3| 3| 3| 4| 3| 3| 3| 2| 6| 3| 3| 2| 2| 3| 3| 3| 3| 3| 0| 3| 1| 3| 1| 0| | 1| 1| 1| 1| 6| 1| 1| 1| 2| 7| 1| 1| 5| 0| 8| 1| 1| 1| 4| 8| 1| 7| 1| 5| 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| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | | | | Mediastinal, Angiectasis | | Mediastinal, Hematopoietic Cell | | Proliferation | | Renal, Infiltration Cellular, Plasma | | Cell | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + M + M + + + + M + + M + + + + + M + + + + M +| Angiectasis | 2 2 3 2 2 1 3 | Hematopoietic Cell Proliferation | 2 2 1 3 2 | Necrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 1 | Atrophy | 3 | Depletion Lymphoid | | Hematopoietic Cell Proliferation | 3 2 2 2 3 2 2 2 2 2 3 3 2 2 3| Necrosis | 1 | __________________________________________________________________________| Thymus | + + + + M + + + + + + + + + M + + + M + M + + + M| Atrophy | | Depletion Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M + M M M M M + M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + M + + + + + + + + + +| Prepuce, Hemorrhage | | Prepuce, Inflammation, Acute | | Prepuce, Necrosis | 4| Subcutaneous Tissue, Mineralization | | Subcutaneous Tissue, Necrosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | 3 3 4 3 3 2 3 2 4 2 3 4 3 4 3 3 2 3| __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Congestion | 2 | Hemorrhage | 2 1 2 | Infiltration Cellular, Histiocyte | 2 3 | Inflammation, Acute | 2 3| _____________________________________________________________________________________________________________________| Page 45 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 4| 7| 7| 7| 6| 4| 7| 7| 7| 5| 3| DAY ON TEST | 3| 3| 3| 3| 4| 3| 3| 3| 2| 6| 3| 3| 2| 2| 3| 3| 3| 3| 3| 0| 3| 1| 3| 1| 0| | 1| 1| 1| 1| 6| 1| 1| 1| 2| 7| 1| 1| 5| 0| 8| 1| 1| 1| 4| 8| 1| 7| 1| 5| 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| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Necrosis | | Pigmentation | | __________________________________________________________________________| Nose | + + + + + + + + M M + + + + + + + + M + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 2 3 | Congestion | | Glomerulosclerosis | 2 3 | Hydronephrosis | 2 | Inflammation, Acute | | Inflammation, Chronic | 2 | Inflammation, Chronic Active | 2 | Cortex, Mineralization | 1 1 1 1 | Papilla, Mineralization | 1 1 | Papilla, Necrosis | | Renal Tubule, Casts Protein | | Renal Tubule, Regeneration | 1 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + A + + + + M +| Calculus Micro Observation Only | X | Inflammation, Acute | 1 | Necrosis | | _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 3| 7| 6| 6| 5| 3| 7| 7| 6| 6| 6| 7| 7| 7| 5| 5| 0| 0| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 5| 3| 8| 2| 0| 0| 3| 3| 4| 3| 1| 3| 3| 2| 6| 6| 2| 3| 3| 1| 3| | | 1| 1| 1| 9| 5| 1| 6| 6| 9| 6| 1| 1| 0| 5| 1| 1| 1| 7| 8| 8| 0| 1| 1| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Gallbladder | + + + M M + A + + + + + + + + + + A + M M A + + +| 40 | __________________________________________________________________________|____________| Intestine Large | + + + + A + + + + + + + + + + + + + + + + A + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + A + A + + A + + + + + + + A + M + A + + +| 43 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + A + + + + + + + + + + + + + + + + A + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + A + A + M A + + + + + + + A + M + A + + +| 40 | Inflammation, Acute | | 1 4.0| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Intestine Small | + + + + A + + + A A + + + + + + + A + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + A + + + A A + + + + + + + A + M + A + + +| 42 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + A + A + A A + + + + + + + A + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + M A + A + A A + + + + M + + A + M + A M + +| 39 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Clear Cell Focus | | 2 | Cyst | | 1 | Fatty Change, Focal | 1 2| 2 1.5| Hematopoietic Cell Proliferation | | 1 2.0| Hemorrhage | 2 | 1 2.0| Mineralization | 2 1 | 3 1.3| Necrosis | 2 2 2 3 2 2 2 2 2 2 | 14 2.3| Pigmentation | 1 | 2 1.0| __________________________________________________________________________|____________| Mesentery | + | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Acanthosis, Focal | 4 | 1 4.0| Acanthosis | 3 3 3 2 3 2 | 7 2.4| Hyperkeratosis | 2 2 3 2 2 2 3 2 | 10 2.1| Inflammation, Chronic Active | 2 2 | 2 2.0| Necrosis | 2 2 2 3 | 4 2.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + A + + + A A + + + + + + + + + + + + + + +| 45 | Hyperplasia | | 1 1.0| Necrosis | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 47 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 3| 7| 6| 6| 5| 3| 7| 7| 6| 6| 6| 7| 7| 7| 5| 5| 0| 0| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 5| 3| 8| 2| 0| 0| 3| 3| 4| 3| 1| 3| 3| 2| 6| 6| 2| 3| 3| 1| 3| | | 1| 1| 1| 9| 5| 1| 6| 6| 9| 6| 1| 1| 0| 5| 1| 1| 1| 7| 8| 8| 0| 1| 1| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | Capsule, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 | 30 1.9| __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | Accessory Adrenal Cortical Nodule | | 1 | Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 1| 28 1.9| Hypertrophy | | 1 1.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + M + + + + M + + + + + + M + + + + M +| 46 | Hyperplasia | 1 | 6 1.2| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 2 1.5| __________________________________________________________________________|____________| Parathyroid Gland | + + + + M M M + + M M + + M M + M + + + M + M M +| 28 | Cyst | X| 1 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + M + + + M M + + + + + + M + + + + +| 44 | Pars Distalis, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| 47 | Cyst | X| 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + | 21 | Dilatation | 3 2 3 3 3 | 8 2.9| Inflammation, Acute | | 2 2.5| Inflammation, Chronic Active | 3 2 2 2 2 | 5 2.2| Necrosis | 3 2 | 4 2.3| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 2 2 | 4 2.3| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 3 | 2 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Interstitial Cell, Hyperplasia | | 1 2.0| Seminiferous Tubule, Atrophy | 2 2 | 2 2.0| Seminiferous Tubule, Mineralization | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC 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 48 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 3| 7| 6| 6| 5| 3| 7| 7| 6| 6| 6| 7| 7| 7| 5| 5| 0| 0| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 5| 3| 8| 2| 0| 0| 3| 3| 4| 3| 1| 3| 3| 2| 6| 6| 2| 3| 3| 1| 3| | | 1| 1| 1| 9| 5| 1| 6| 6| 9| 6| 1| 1| 0| 5| 1| 1| 1| 7| 8| 8| 0| 1| 1| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | | | | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 1.0| __________________________________________________________________________|____________| Lymph Node | M + + + + + + M M + + + + + + + + + + + + + + + +| 42 | Axillary, Infiltration Cellular, | | | Plasma Cell | | 1 3.0| Lumbar, Infiltration Cellular, | | | Plasma Cell | 2 | 2 2.5| Lumbar, Inflammation, Acute | | 1 2.0| Mandibular, Necrosis | 2 | 1 2.0| Mediastinal, Angiectasis | 2 | 1 2.0| Mediastinal, Hematopoietic Cell | | | Proliferation | 3 | 1 3.0| Renal, Infiltration Cellular, Plasma | | | Cell | 2 1 | 3 1.7| __________________________________________________________________________|____________| Lymph Node, Mesenteric | M + + M + + + M M M + M + + + + + + + + + + + + +| 38 | Angiectasis | 2 2 2 1 3 3 3| 14 2.2| Hematopoietic Cell Proliferation | 2 2 2 2 | 9 2.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + M + + + A + + +| 48 | Angiectasis | | 2 1.0| Atrophy | | 1 3.0| Depletion Lymphoid | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 2 2 2 2 2 2 3 2 3 2 3 2 2 | 29 2.3| Necrosis | | 1 1.0| __________________________________________________________________________|____________| Thymus | + + + + M + M M M M + + + M + + + + + + M + M + M| 36 | Atrophy | 3 | 1 3.0| Depletion Lymphoid | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M + M M M M M M + M M M M M M M M M M M M M M| 4 | __________________________________________________________________________|____________| Skin | + + + + + + M + + + + + + + + + + + + + + + + + +| 48 | Prepuce, Hemorrhage | 2 | 1 2.0| Prepuce, Inflammation, Acute | 1 | 1 1.0| Prepuce, Necrosis | 3 | 2 3.5| Subcutaneous Tissue, Mineralization | 1 | 1 1.0| Subcutaneous Tissue, Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 3| 7| 6| 6| 5| 3| 7| 7| 6| 6| 6| 7| 7| 7| 5| 5| 0| 0| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 5| 3| 8| 2| 0| 0| 3| 3| 4| 3| 1| 3| 3| 2| 6| 6| 2| 3| 3| 1| 3| | | 1| 1| 1| 9| 5| 1| 6| 6| 9| 6| 1| 1| 0| 5| 1| 1| 1| 7| 8| 8| 0| 1| 1| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tarsal, Hyperostosis | 2 3 4 2 2 4 2 3 4 3 2 3 3 3 3 3 2 3 | 36 2.9| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | + + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bacterium | 1 | 1 1.0| Congestion | 2 | 2 2.0| Hemorrhage | 1 | 4 1.5| Infiltration Cellular, Histiocyte | | 2 2.5| Inflammation, Acute | | 2 2.5| Necrosis | 2 | 1 2.0| Pigmentation | 1 | 1 1.0| __________________________________________________________________________|____________| Nose | M + + + + + M + + + + + M + + + M + + + + + + + +| 43 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Casts Protein | 1 3 | 4 2.3| Congestion | 2 | 1 2.0| Glomerulosclerosis | 2 2 | 4 2.3| Hydronephrosis | | 1 2.0| Inflammation, Acute | 3 | 1 3.0| Inflammation, Chronic | | 1 2.0| Inflammation, Chronic Active | | 1 2.0| Cortex, Mineralization | 1 2 1 1 1| 9 1.1| Papilla, Mineralization | 2 | 3 1.3| Papilla, Necrosis | 3 | 1 3.0| Renal Tubule, Casts Protein | 2 | 1 2.0| Renal Tubule, Regeneration | 1 | 4 1.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + A + + + + + + + + + + + + + + + + + + + +| 47 | Calculus Micro Observation Only | X | 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 50 NTP Experiment-Test: 05030-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC PROBENECID Date: 04/29/97 Route: GAVAGE Time: 15:49:50 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 3| 7| 6| 6| 5| 3| 7| 7| 6| 6| 6| 7| 7| 7| 5| 5| 0| 0| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 8| 5| 3| 8| 2| 0| 0| 3| 3| 4| 3| 1| 3| 3| 2| 6| 6| 2| 3| 3| 1| 3| | | 1| 1| 1| 9| 5| 1| 6| 6| 9| 6| 1| 1| 0| 5| 1| 1| 1| 7| 8| 8| 0| 1| 1| 1| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Inflammation, Acute | 2 3 | 3 2.0| Necrosis | 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 51 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 472759-472759/472759 --multipart-boundary--