TDMS Study 05002-06 Pathology Tables
NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 Facility: Southern Research Institute Chemical CAS #: 96-48-0 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 3| 3| 7| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 7| 0| 0| 0| 0| 0| 0| 0| 3| 2| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | | Inflammation, Chronic | 1 2 1 1 2 1 | Mineralization | 3 | Hepatocyte, Vacuolization Cytoplasmic| 4 3 2 | Kupffer Cell, Hyperplasia | 2 | Kupffer Cell, Pigmentation | 3 | Lobules, Necrosis | 4 | __________________________________________________________________________| Mesentery | + + + | Accessory Spleen | X | Fat, Inflammation, Granulomatous | 4 | Fat, Necrosis | 4 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Inflammation, Chronic | 1 4 3 | Necrosis | 4 4 | Pigmentation | 4 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 3 2 2| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 3 | Mucosa, Hyperplasia | 1 3 3 2 1 1 1 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Mineralization | 2 | Ulcer | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 3| 3| 7| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 7| 0| 0| 0| 0| 0| 0| 0| 3| 2| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Inflammation, Chronic | 2 | Spindle Cell, Hyperplasia | 2 2 3 3 3 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Zona Fasciculata, Hyperplasia, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 | Inflammation, Chronic | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + M + + + + + + + + M + + + + + + + +| Pars Distalis, Angiectasis | 3 2 2 | Pars Distalis, Hyperplasia | 2 3 2 2 2 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Inflammation, Chronic | 2 3 | Follicular Cell, Hyperplasia | 3 1 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + I + + + + + + + + + + + + + + + M + + +| Cyst | X X X X X| Hemorrhage | 4 2 | Inflammation, Chronic | 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X | Hemorrhage | 2 2 | Hydrometra | 3 | Hyperplasia, Cystic | 3 3 2 3 2 3 4 4 2 2 3 3 3 4 3 4 3 4 3 4 3 4 3 4| Metaplasia, Squamous | | Serosa, Cyst | | __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 1 1 2 2 1 1 2 3 3 2 1 1 3 2 1 2 1 1 1 1 1 2 2| Proliferation | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 3| 3| 7| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 7| 0| 0| 0| 0| 0| 0| 0| 3| 2| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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 | | | | Iliac, Hyperplasia, Lymphoid | | Iliac, Infiltration Cellular, | | Polymorphonuclear | | Renal, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Developmental Malformation | | Hematopoietic Cell Proliferation | 3 3 | Hyperplasia, Lymphoid | 2 2 | Lymphoid Follicle, Depletion Cellular| 2 3 | Red Pulp, Depletion Cellular | 2 3 | __________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + + + + + + + + + +| Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 3 1 2 2 1 1 1 1 | Infiltration Cellular, Histiocyte | 4 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Fibrosis | 2 | Inflammation, Chronic | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X | Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 2 | Inflammation, Chronic | | Mineralization | 2 1 1 2 2 2 2 2 2 2 1 1 1 2 1 1 2| Necrosis | 3 | Pigmentation | 2 | Vacuolization Cytoplasmic | 3 | __________________________________________________________________________| Spinal Cord | | Degeneration | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 9| 3| 3| 3| 3| 3| 3| 3| 7| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 7| 0| 0| 0| 0| 0| 0| 0| 3| 2| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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 | | | | Congestion | | Hemorrhage | | Infiltration Cellular, Histiocyte | 2 3 4 | Inflammation, Chronic | 3 2 2 2 | Mineralization | | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 1 1 1 | Cyst | | Inflammation, Chronic | 2 1 2 2 2 2 2 2 2 2 2 2| Metaplasia, Osseous | 2 2 | Mineralization | 1 | Renal Tubule, Atrophy | 2 2 2 | Renal Tubule, Dilatation | 2 | Renal Tubule, Necrosis | 2 | Renal Tubule, Regeneration | 1 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 2 2 3 2 1 2 1 2 2 2 2 2 2 3 3 2 2 3| _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 7| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 1| 1| 3| 3| 8| 3| 5| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 3| 0| 3| 3| 3| 3| 3| | | 4| 7| 1| 1| 1| 6| 1| 5| 1| 0| 1| 1| 1| 1| 1| 1| 2| 2| 2| 9| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 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 | CONTROL | 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 | + + I + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Gallbladder | + + + + + A + + + + + + + + + M + + + M + + + + +| 47 | Inflammation, Chronic | 2 1 | 3 1.7| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + M + + + + + + + + + + + + + M + + + + +| 48 | Edema | 2 2 | 2 2.0| Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Hyperplasia, Lymphoid | 3| 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Eosinophilic Focus | X | 1 | Inflammation, Chronic | 2 1 2 2 2 2 1 2 | 14 1.6| Mineralization | | 1 3.0| Hepatocyte, Vacuolization Cytoplasmic| 2 1 2 2 3| 8 2.4| Kupffer Cell, Hyperplasia | | 1 2.0| Kupffer Cell, Pigmentation | | 1 3.0| Lobules, Necrosis | | 1 4.0| __________________________________________________________________________|____________| Mesentery | | 3 | Accessory Spleen | | 1 | Fat, Inflammation, Granulomatous | | 1 4.0| Fat, Necrosis | | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Inflammation, Chronic | 2 3 2 2 | 7 2.4| Necrosis | | 2 4.0| Pigmentation | 3 | 2 3.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 2 2 2 2 | 7 2.1| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | | 1 3.0| Mucosa, Hyperplasia | 1 3 | 10 1.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Erosion | 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 6 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 7| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 1| 1| 3| 3| 8| 3| 5| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 3| 0| 3| 3| 3| 3| 3| | | 4| 7| 1| 1| 1| 6| 1| 5| 1| 0| 1| 1| 1| 1| 1| 1| 2| 2| 2| 9| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 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 | CONTROL | 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 | | | | | | Mineralization | 2 | 2 2.0| Ulcer | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | | 1 | Inflammation, Chronic | | 1 2.0| Spindle Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| 43 2.1| Zona Fasciculata, Hyperplasia, Focal | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 3 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 1 | 5 1.6| Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + + + + + + + + M + + M + + + +| 47 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Pars Distalis, Angiectasis | 3 | 4 2.5| Pars Distalis, Hyperplasia | 1 2 1 2 1 2 | 13 1.8| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| 49 | Cyst | X | 2 | Inflammation, Chronic | 2 | 3 2.3| Follicular Cell, Hyperplasia | 1 | 5 1.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cyst | X X X X X X | 11 | Hemorrhage | | 2 3.0| Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Exudate | X X X X X X | 8 | Hemorrhage | | 2 2.0| Hydrometra | 3 4 3 3 3 3 3 4 | 9 3.2| __________________________________________________________________________________________________________________________________ * : 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 7 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 7| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 1| 1| 3| 3| 8| 3| 5| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 3| 0| 3| 3| 3| 3| 3| | | 4| 7| 1| 1| 1| 6| 1| 5| 1| 0| 1| 1| 1| 1| 1| 1| 2| 2| 2| 9| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 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 | CONTROL | 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 | | | | | | Hyperplasia, Cystic | 4 3 3 3 2 4 2 4 3 4 3 3 3 3 4 4 2 4 3 2 2 3| 46 3.1| Metaplasia, Squamous | 3 | 1 3.0| Serosa, Cyst | X | 1 | __________________________________________________________________________|____________| Vagina | + | 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | 1 3 1 2 1 2 1 3 2 2 2 1 2 3 1 2 2 1| 41 1.7| Proliferation | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Iliac, Hyperplasia, Lymphoid | 2 | 1 2.0| Iliac, Infiltration Cellular, | | | Polymorphonuclear | 4 | 1 4.0| Renal, Hyperplasia, Lymphoid | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + M + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | Hemorrhage | 3 | 2 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Developmental Malformation | X | 1 | Hematopoietic Cell Proliferation | 3 2 2 2| 6 2.5| Hyperplasia, Lymphoid | 3 | 3 2.3| Lymphoid Follicle, Depletion Cellular| | 2 2.5| Red Pulp, Depletion Cellular | | 2 2.5| __________________________________________________________________________|____________| Thymus | + + + + + + + + + M + + + + + + + + + + + + M + +| 47 | Epithelial Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Cystic | 1 1 1 1 1 1 1 1 1 | 17 1.2| Infiltration Cellular, Histiocyte | | 1 4.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 2 2 | 3 2.0| Fibrosis | | 1 2.0| Inflammation, Chronic | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 7| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 1| 1| 3| 3| 8| 3| 5| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 3| 0| 3| 3| 3| 3| 3| | | 4| 7| 1| 1| 1| 6| 1| 5| 1| 0| 1| 1| 1| 1| 1| 1| 2| 2| 2| 9| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 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 | CONTROL | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | | 2 | Hemorrhage | | 1 2.0| Infiltration Cellular, Histiocyte | | 1 2.0| Inflammation, Chronic | 1 | 1 1.0| Mineralization | 1 2 2 1 1 2 1 3 2 2 2 2 3 2 1 2 2 2 2| 36 1.7| Necrosis | | 1 3.0| Pigmentation | | 1 2.0| Vacuolization Cytoplasmic | | 1 3.0| __________________________________________________________________________|____________| Spinal Cord | + | 1 | Degeneration | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 3 | 1 3.0| Hemorrhage | 2 | 1 2.0| Infiltration Cellular, Histiocyte | 4 | 4 3.3| Inflammation, Chronic | 2 3 | 6 2.3| Mineralization | 2 1 | 2 1.5| Alveolar Epithelium, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Exudate | | 2 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Casts Protein | 1 1 2 2 | 9 1.2| Cyst | X X | 2 | Inflammation, Chronic | 2 2 4 2 2 2 4 2 2 2 1 2 4 3 2 1| 28 2.1| Metaplasia, Osseous | 3 | 3 2.3| Mineralization | | 1 1.0| Renal Tubule, Atrophy | 1 2 | 5 1.8| Renal Tubule, Dilatation | | 1 2.0| Renal Tubule, Necrosis | 1 | 2 1.5| Renal Tubule, Regeneration | | 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 9 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 6| 6| 7| 7| 5| 7| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 1| 1| 3| 3| 8| 3| 5| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 3| 0| 3| 3| 3| 3| 3| | | 4| 7| 1| 1| 1| 6| 1| 5| 1| 0| 1| 1| 1| 1| 1| 1| 2| 2| 2| 9| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 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 | CONTROL | 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 | | | | | | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 2 2 1 2 2 2 3 3 2 3 1 3 2 2 2 3 | 35 2.1| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 10 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 3| 2| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 0| 0| 3| 4| 7| 0| 0| 0| 1| 0| 1| 1| 1| 1| 2| 3| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 262 | 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| MG/KG | 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 | | | | __________________________________________________________________________| Intestine Large | + | __________________________________________________________________________| Intestine Large, Colon | + | __________________________________________________________________________| Intestine Small | + | __________________________________________________________________________| Intestine Small, Ileum | + | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hematopoietic Cell Proliferation | 2 | Inflammation, Chronic | 2 2 1 | Hepatocyte, Vacuolization Cytoplasmic| 2 2 | Kupffer Cell, Hyperplasia | 2 3 3 3 | Lobules, Necrosis | | __________________________________________________________________________| Mesentery | + + + | Inflammation, Suppurative | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Inflammation, Chronic | 3 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Chronic | 2 | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | | __________________________________________________________________________| Adrenal Gland, Cortex | | Angiectasis | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Hyperplasia | 2 2 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 2 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 3 1 2 2 1 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| Cyst | X X X X | Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 3| 2| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 0| 0| 3| 4| 7| 0| 0| 0| 1| 0| 1| 1| 1| 1| 2| 3| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 262 | 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| MG/KG | 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 | | | | Follicular Cell, Hyperplasia | 2 2 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X X X X X X | Hemorrhage | 2 2 3 2 | Inflammation, Chronic | | Inflammation, Suppurative | 4 4 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Exudate | X X X X X X X X| Hydrometra | 4 | Hyperplasia, Cystic | 3 3 3 4 3 4 4 4 4 3 2 4 4 4 3 3 3 3 4| Hyperplasia, Glandular | 3| Inflammation, Suppurative | | Metaplasia, Squamous | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | Anemia | | Leukocytosis | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 1 2 1 1 2 3 3 4 2 2 2 2 3 3 1 1 1 3 3 3 2| Necrosis | 2 | Proliferation | 2 2 | __________________________________________________________________________| Lymph Node | + + + + | Renal, Hyperplasia, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mandibular | + M | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + | Ectasia | | Hyperplasia, Reticulum Cell | | __________________________________________________________________________| Spleen | + + + + + + + + | Hematopoietic Cell Proliferation | 3 3 2 | Hyperplasia, Lymphoid | 4 4 | __________________________________________________________________________| Thymus | + | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 3 3 1 3 1 1 1| Hyperplasia, Lobular | | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 3| 2| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 0| 0| 3| 4| 7| 0| 0| 0| 1| 0| 1| 1| 1| 1| 2| 3| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 262 | 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| MG/KG | 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, Chronic | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Subcutaneous Tissue, Edema | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Coccygeal, Fibrosis | 3 | Coccygeal, Hyperplasia | 3 | __________________________________________________________________________| Skeletal Muscle | + | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 3 | Mineralization | 2 1 2 2 2 3 1 3 2 3 2 2 2 2 3| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Infiltration Cellular, Histiocyte | 1 3 | Inflammation, Chronic | 3 2 2 2 | Inflammation, Suppurative | 3 | Thrombosis | X X | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cataract | | Cornea, Hyperplasia | | Cornea, Inflammation, Chronic | | __________________________________________________________________________| Harderian Gland | + + + I + + + M + + + + + + + + + + + + + + M + M| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 1 1 1 1 1 1 1 | Cyst | | Glomerulosclerosis | 2 | Infarct | 2 2 | Inflammation, Chronic | 2 2 2 1 1 2 1 2 2 2 2 | Metaplasia, Osseous | | Mineralization | 1 | Renal Tubule, Atrophy | 2 | Renal Tubule, Dilatation | 2 | Renal Tubule, Necrosis | 1 | _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 3| 3| 3| 2| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 1| 0| 0| 3| 4| 7| 0| 0| 0| 1| 0| 1| 1| 1| 1| 2| 3| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 262 | 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| MG/KG | 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, Regeneration | 3 2 | __________________________________________________________________________| Urinary Bladder | + | _____________________________________________________________________________________________________________________| Page 14 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 6| 6| 4| 5| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 1| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 4| 7| 9| 3| 9| 3| 3| 3| 3| 3| 3| | | 2| 1| 7| 1| 1| 4| 1| 1| 1| 1| 1| 2| 2| 0| 1| 7| 1| 2| 0| 2| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 262 | 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 | MG/KG | 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 | | | | | | __________________________________________________________________________|____________| Intestine Large | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | | 1 | __________________________________________________________________________|____________| Intestine Small | | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | | 1 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 | Hematopoietic Cell Proliferation | 3 | 2 2.5| Inflammation, Chronic | 2 3 2 1| 7 1.9| Hepatocyte, Vacuolization Cytoplasmic| | 2 2.0| Kupffer Cell, Hyperplasia | 3 3 3 2 | 8 2.8| Lobules, Necrosis | 4 1 1 | 3 2.0| __________________________________________________________________________|____________| Mesentery | + + | 5 | Inflammation, Suppurative | 4 | 1 4.0| Fat, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 2.0| Inflammation, Chronic | 1 1 | 3 1.7| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Diverticulum | 3 | 1 3.0| Inflammation, Chronic | | 1 2.0| Mucosa, Hyperplasia | 1 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Inflammation, Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + | 1 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + | 1 | Angiectasis | 4 | 1 4.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + I + + + + + + + + + +| 49 | Amyloid Deposition | 2 | 1 2.0| Hyperplasia | 1 | 4 1.8| __________________________________________________________________________|____________| Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + M +| 48 | Pars Distalis, Angiectasis | 3 2 2 | 5 2.2| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 6| 6| 4| 5| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 1| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 4| 7| 9| 3| 9| 3| 3| 3| 3| 3| 3| | | 2| 1| 7| 1| 1| 4| 1| 1| 1| 1| 1| 2| 2| 0| 1| 7| 1| 2| 0| 2| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 262 | 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 | MG/KG | 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 | | | | | | Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia | 3 2 1 2 | 12 1.9| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + M + + + + + + + + + + + + + + + + + +| 48 | Cyst | X X X X X | 9 | Inflammation, Chronic | 1 | 2 1.0| Follicular Cell, Hyperplasia | 1 1 1 2 | 7 1.7| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | Cyst | X X X X X X| 14 | Hemorrhage | 2 | 5 2.2| Inflammation, Chronic | 3 | 1 3.0| Inflammation, Suppurative | 2 4 4 4 | 6 3.7| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + +| 41 | Angiectasis | | 1 2.0| Exudate | X X X X X X | 14 | Hydrometra | 3 3 4 | 4 3.5| Hyperplasia, Cystic | 3 4 4 4 4 2 4 4 3 4 4 2 2 2 3 4 4 4| 37 3.4| Hyperplasia, Glandular | 3 | 2 3.0| Inflammation, Suppurative | 3 | 1 3.0| Metaplasia, Squamous | 3 3 | 2 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | Anemia | 3 | 1 3.0| Leukocytosis | 2 | 1 2.0| __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | 2 2 3 2 1 2 2 2 1 2 3 2 1 1 3 2 2 3 2 3| 41 2.1| Necrosis | | 1 2.0| Proliferation | 2 3 2 2 | 6 2.2| __________________________________________________________________________|____________| Lymph Node | + + | 6 | Renal, Hyperplasia, Plasma Cell | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 5 | Ectasia | 3 | 1 3.0| Hyperplasia, Reticulum Cell | 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 16 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 6| 6| 4| 5| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 1| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 4| 7| 9| 3| 9| 3| 3| 3| 3| 3| 3| | | 2| 1| 7| 1| 1| 4| 1| 1| 1| 1| 1| 2| 2| 0| 1| 7| 1| 2| 0| 2| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 262 | 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 | MG/KG | 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 | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + + | 14 | Hematopoietic Cell Proliferation | 3 3 4 2 | 7 2.9| Hyperplasia, Lymphoid | | 2 4.0| __________________________________________________________________________|____________| Thymus | + | 2 | Hyperplasia, Lymphoid | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| 48 | Hyperplasia, Cystic | 1 1 1 1 1 1 1 1 2 1 1 | 19 1.4| Hyperplasia, Lobular | 2 2 | 2 2.0| Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + | 47 | Acanthosis | 3 | 1 3.0| Subcutaneous Tissue, Edema | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Coccygeal, Fibrosis | | 1 3.0| Coccygeal, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Skeletal Muscle | M + + + | 4 | Inflammation, Suppurative | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Histiocyte | | 1 3.0| Mineralization | 1 2 2 1 2 1 2 2 2 3 1 1 3| 28 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Infiltration Cellular, Histiocyte | 2 | 3 2.0| Inflammation, Chronic | 2 2 2 2 2 1 | 10 2.0| Inflammation, Suppurative | | 1 3.0| Thrombosis | | 2 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Cataract | 2 | 1 2.0| Cornea, 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 17 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 6| 7| 7| 4| 7| 7| 7| 7| 5| 7| 7| 6| 6| 4| 5| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 3| 1| 3| 3| 6| 3| 3| 3| 3| 9| 3| 3| 3| 4| 7| 9| 3| 9| 3| 3| 3| 3| 3| 3| | | 2| 1| 7| 1| 1| 4| 1| 1| 1| 1| 1| 2| 2| 0| 1| 7| 1| 2| 0| 2| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 262 | 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 | MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | Cornea, Inflammation, Chronic | 3 | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + + + M + M + + + + + + + + + M + + + + + + + + +| 43 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Casts Protein | 1 1 1 1 1 1 | 15 1.0| Cyst | X X | 2 | Glomerulosclerosis | 1 | 2 1.5| Infarct | | 2 2.0| Inflammation, Chronic | 3 1 2 1 2 2 2 2 1 1 2 2 2 2 1 | 26 1.7| Metaplasia, Osseous | 2 | 1 2.0| Mineralization | | 1 1.0| Renal Tubule, Atrophy | 2 2| 3 2.0| Renal Tubule, Dilatation | | 1 2.0| Renal Tubule, Necrosis | | 1 1.0| Renal Tubule, Regeneration | 2 | 3 2.3| __________________________________________________________________________|____________| Urinary Bladder | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 4| 3| 4| 5| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 0| 1| 1| 3| 1| 1| 6| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 525 | 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| MG/KG | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + M + + + + + + +| Dilatation | 3 | Inflammation, Chronic | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Focal Cellular Change | X | Hematopoietic Cell Proliferation | 1 | Inflammation, Chronic | 2 2 1 | Mineralization | | Hepatocyte, Vacuolization Cytoplasmic| 2 | Kupffer Cell, Hyperplasia | | Lobules, Necrosis | 1 | __________________________________________________________________________| Mesentery | + | Cyst | X | Inflammation, Suppurative | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | I + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 1 | Cyst | | Hyperplasia, Nodular | 2 | Inflammation, Chronic | 1 2 1 2| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | Inflammation, Chronic | 3 2 3 2 3 1 2 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Mucosa, Dysplasia | 3 | Mucosa, Hyperplasia | 3 3 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Dysplasia | | Erosion | | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 4| 3| 4| 5| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 0| 1| 1| 3| 1| 1| 6| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 525 | 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| MG/KG | 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 | | | | Inflammation, Chronic Active | | Mineralization | 2 2 | __________________________________________________________________________| Tongue | + | __________________________________________________________________________| Tooth | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Cyst | X | Developmental Malformation | X | Spindle Cell, Hyperplasia | 3 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + I + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | I + + + + + + + + + + + + + + + + I + + + + + + +| Hyperplasia | 3 2 2| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| Cyst | X | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + M + + + + M| Pars Distalis, Angiectasis | 2 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 1 1 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Inflammation, Chronic | | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Ectasia | | Inflammation, Chronic | | __________________________________________________________________________| Ovary | + + + M + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X X X X X X X | Hemorrhage | | Inflammation, Suppurative | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 4| 3| 4| 5| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 0| 1| 1| 3| 1| 1| 6| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 525 | 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| MG/KG | 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 | | | | Hydrometra | 4 | Hyperplasia, Cystic | 4 3 3 4 3 3 3 2 3 3 4 3 2 3 3 4 4 3 3 3 3 2 3 3 3| Inflammation, Suppurative | | Metaplasia, Squamous | 2 | __________________________________________________________________________| Vagina | + | Granuloma | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | Anemia | | Leukocytosis | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 2 3 3 3 2 3 3 2 2 2 1 2 1 3 2 2 2 2 3| Proliferation | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + M +| Iliac, Angiectasis | 4 | Iliac, Hyperplasia, Plasma Cell | | Inguinal, Hyperplasia, Lymphoid | 2 | Renal, Hyperplasia, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + I + + I M +| Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hematopoietic Cell Proliferation | 2 2 | Hyperplasia, Lymphoid | 3 2 3 | Lymphoid Follicle, Depletion Cellular| | Sinusoid, Hyperplasia | 3 | __________________________________________________________________________| Thymus | + + + + + M + + + + + + + + + + + + + I I + + M +| Cyst | | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 1 1 2 1 1 1 1 1 2 1 | Hyperplasia, Lobular | 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 4 1 | Cyst Epithelial Inclusion | | Fibrosis | 3 | Hemorrhage | 3 | Inflammation, Chronic | 3 | Ulcer | 2 | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 4| 3| 4| 5| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 0| 1| 1| 3| 1| 1| 6| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 525 | 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| MG/KG | 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 | | | | Sebaceous Gland, Hyperplasia | 4 | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 2 1 2 2 2 2 2 2 1 1 2 2 1 2 2 2 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | 2| Infiltration Cellular, Histiocyte | 4 3 | Inflammation, Chronic | 4 2 2 2 | Inflammation, Suppurative | 3 | Mineralization | | Mediastinum, Necrosis | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X | Fungus | X | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | +| __________________________________________________________________________| Eye | + | Cataract | | Exudate | | Cornea, Hyperplasia | | Cornea, Inflammation, Chronic | 2 | Cornea, Mineralization | 1 | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 | Cyst | | Glomerulosclerosis | | Inflammation, Chronic | 2 2 2 2 3 2 2 1 2 4 2 1 1 2| Metaplasia, Osseous | | Mineralization | | Renal Tubule, Atrophy | 3 1 | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| 3| 4| 3| 4| 5| 3| 3| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 0| 0| 2| 0| 0| 0| 0| 0| 1| 1| 3| 1| 1| 6| 1| 1| 1| 1| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 525 | 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| MG/KG | 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, Necrosis | | Renal Tubule, Regeneration | 1 3 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + M + + + + +| Inflammation, Chronic | 2 2 2 2 2 3 2 2 3 1 3 2 2 | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 0| 3| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 9| 3| 1| 1| 3| 3| 5| 3| 3| 3| 3| 3| | | 2| 8| 1| 1| 1| 1| 1| 1| 1| 2| 2| 6| 2| 3| 2| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 525 | 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 | MG/KG | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + A + A + + + + + + + + +| 47 | Dilatation | | 1 3.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + A + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | Hyperplasia, Lymphoid | 2 3 | 2 2.5| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 1 | Focal Cellular Change | | 1 | Hematopoietic Cell Proliferation | 2 | 2 1.5| Inflammation, Chronic | 1 1 2 | 6 1.5| Mineralization | 2 | 1 2.0| Hepatocyte, Vacuolization Cytoplasmic| 2 | 2 2.0| Kupffer Cell, Hyperplasia | 3 3 4 | 3 3.3| Lobules, Necrosis | 1 2 | 3 1.3| __________________________________________________________________________|____________| Mesentery | + + + + | 5 | Cyst | | 1 | Inflammation, Suppurative | 4 | 1 4.0| Fat, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + A + + + + + + + + +| 48 | Atrophy | 4 4 | 4 2.5| Cyst | X | 1 | Hyperplasia, Nodular | | 1 2.0| Inflammation, Chronic | 2 | 5 1.6| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Lymphoid | | 1 3.0| Inflammation, Chronic | 2 2 | 10 2.2| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | 2 2 2 3 | 4 2.3| Mucosa, Dysplasia | | 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: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 0| 3| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 9| 3| 1| 1| 3| 3| 5| 3| 3| 3| 3| 3| | | 2| 8| 1| 1| 1| 1| 1| 1| 1| 2| 2| 6| 2| 3| 2| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 525 | 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 | MG/KG | 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 | | | | | | Mucosa, Hyperplasia | 2 1 1 2 | 7 2.1| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Dysplasia | 3 | 1 3.0| Erosion | 3 3 | 2 3.0| Inflammation, Chronic Active | 2 | 1 2.0| Mineralization | 2 | 3 2.0| __________________________________________________________________________|____________| Tongue | + | 2 | __________________________________________________________________________|____________| Tooth | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myocardium, Mineralization | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | X | 2 | Cyst | | 1 | Developmental Malformation | X | 2 | Spindle Cell, Hyperplasia | 2 3 2 2 2 3 3 2 3 2 2 2 2 2 2 2 3 2 2 2 3 2 2| 46 2.2| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + A + + + + + + + + +| 47 | Hyperplasia | 2 2 2 | 6 2.2| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + M + + M + + + + + + + + + +| 47 | Cyst | | 1 | __________________________________________________________________________|____________| Pituitary Gland | + M + + + + + + + + + M + + + M + I + + + + + + +| 43 | Pars Distalis, Angiectasis | 2 | 2 2.0| Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia | 2 1 1 | 7 1.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 | Inflammation, Chronic | 2 | 1 2.0| Follicular Cell, Hyperplasia | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 25 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 0| 3| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 9| 3| 1| 1| 3| 3| 5| 3| 3| 3| 3| 3| | | 2| 8| 1| 1| 1| 1| 1| 1| 1| 2| 2| 6| 2| 3| 2| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 525 | 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 | MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | Ectasia | 3 | 1 3.0| Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Ovary | + + + M + + + + + + + + + + I + + + + + M + + + +| 46 | Cyst | X X X X X | 14 | Hemorrhage | 3 | 1 3.0| Inflammation, Suppurative | 4 | 1 4.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Exudate | X | 3 | Hydrometra | 4 3 4 3| 5 3.6| Hyperplasia, Cystic | 4 3 3 3 3 4 3 2 2 4 4 3 4 2 2 3 3 3 3 3 3 2 4| 48 3.1| Inflammation, Suppurative | 4 | 1 4.0| Metaplasia, Squamous | 3 | 2 2.5| __________________________________________________________________________|____________| Vagina | | 1 | Granuloma | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | Anemia | 3 | 1 3.0| Leukocytosis | 3 | 1 3.0| __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | 1 3 1 2 2 2 2 1 2 1 2 2 3 2 3 2 3 3 2 3 2 2 1| 42 2.1| Proliferation | 3 | 2 2.5| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Iliac, Angiectasis | | 1 4.0| Iliac, Hyperplasia, Plasma Cell | 2 | 1 2.0| Inguinal, Hyperplasia, Lymphoid | | 1 2.0| Renal, Hyperplasia, Plasma Cell | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + M + + + + + + + + + M M + + + + + M + + +| 45 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + I + + + + + + + + + + + A M + + + + + + + M| 43 | Hemorrhage | 2 2 | 2 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Hematopoietic Cell Proliferation | 4 2 2 3 2 2 | 8 2.4| Hyperplasia, Lymphoid | 3 2 | 5 2.6| Lymphoid Follicle, Depletion Cellular| 2 | 1 2.0| Sinusoid, Hyperplasia | | 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 26 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 0| 3| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 9| 3| 1| 1| 3| 3| 5| 3| 3| 3| 3| 3| | | 2| 8| 1| 1| 1| 1| 1| 1| 1| 2| 2| 6| 2| 3| 2| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 525 | 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 | MG/KG | 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 | | | | | | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + M + M + + + + + + + + +| 44 | Cyst | X | 1 | Hyperplasia, Lymphoid | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Cystic | 1 2 1 2 1 1 1 | 18 1.2| Hyperplasia, Lobular | 2 | 2 1.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 | 3 2.3| Cyst Epithelial Inclusion | X | 1 | Fibrosis | | 1 3.0| Hemorrhage | | 1 3.0| Inflammation, Chronic | | 1 3.0| Ulcer | | 1 2.0| Sebaceous Gland, Hyperplasia | | 1 4.0| Subcutaneous Tissue, Edema | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 2 2 1 1 2 3 2 1 3 2 1 1 2 | 31 1.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 3 3 | 2 3.0| Hemorrhage | 2 2 | 3 2.0| Infiltration Cellular, Histiocyte | | 2 3.5| Inflammation, Chronic | 3 2 2 | 7 2.4| Inflammation, Suppurative | | 1 3.0| Mineralization | 2 | 1 2.0| Mediastinum, Necrosis | 2| 2 2.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Exudate | X X | 3 | Fungus | | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 27 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 6| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 9| 0| 3| 3| 3| 7| 3| 3| 3| 3| 3| 5| 3| 9| 3| 1| 1| 3| 3| 5| 3| 3| 3| 3| 3| | | 2| 8| 1| 1| 1| 1| 1| 1| 1| 2| 2| 6| 2| 3| 2| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 525 | 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 | MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 2 | __________________________________________________________________________|____________| Eye | + | 2 | Cataract | 2 | 1 2.0| Exudate | X | 1 | Cornea, Hyperplasia | 3 | 1 3.0| Cornea, Inflammation, Chronic | 4 | 2 3.0| Cornea, Mineralization | | 1 1.0| __________________________________________________________________________|____________| Harderian Gland | + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Casts Protein | 1 | 2 1.0| Cyst | X | 1 | Glomerulosclerosis | 3 | 1 3.0| Inflammation, Chronic | 2 1 2 2 1 1 2 3 1 2 | 24 1.9| Metaplasia, Osseous | 2 3 | 2 2.5| Mineralization | 1 3 | 2 2.0| Renal Tubule, Atrophy | 3 3 1 | 5 2.2| Renal Tubule, Necrosis | 1 | 1 1.0| Renal Tubule, Regeneration | 1 1 1| 7 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic | 2 2 2 2 2 3 1 2 1 4 2 2 1 2 2 1 | 29 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 28 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 4| 4| 7| 7| 7| 3| 4| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 7| 2| 2| 2| 8| 4| 2| 0| 2| 3| 2| 2| 2| 7| 8| 2| 2| 2| 2| 2| 2| 2| 2| 1| | 3| 3| 9| 9| 9| 5| 1| 9| 3| 9| 3| 9| 9| 9| 8| 8| 9| 9| 9| 9| 9| 1| 9| 9| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + M + + M + + + + + + + + + + + + + + +| Fibrosis | 3 | Inflammation, Chronic | 3 | Mineralization | 3 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + M A + + + + + + + + + + + + + + + + + +| Edema | 3 | Inflammation, Suppurative | 3 | Mucosa, Hyperplasia | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + I + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + M A M + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 4 3 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + M A + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 4| Inflammation, Suppurative | 4 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Hematopoietic Cell Proliferation | 2 | Inflammation, Chronic | 2 1 2 | Mineralization | 4 4 4 | Hepatocyte, Anisokaryosis | | Hepatocyte, Atrophy | | Hepatocyte, Vacuolization Cytoplasmic| 3 | Kupffer Cell, Hyperplasia | 3 | Kupffer Cell, Pigmentation | 2 | Lobules, Necrosis | 4 3 1 4 | __________________________________________________________________________| Mesentery | + | Fat, Hemorrhage | 4 | Fat, Mineralization | | Fat, Necrosis | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 1| Cyst | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + M + + +| Inflammation, Chronic | 1 2 2 2 2 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 3 | Mineralization | 3 | Mucosa, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 4| 4| 7| 7| 7| 3| 4| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 7| 2| 2| 2| 8| 4| 2| 0| 2| 3| 2| 2| 2| 7| 8| 2| 2| 2| 2| 2| 2| 2| 2| 1| | 3| 3| 9| 9| 9| 5| 1| 9| 3| 9| 3| 9| 9| 9| 8| 8| 9| 9| 9| 9| 9| 1| 9| 9| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 1| __________________________________________________________________________| Tooth | + + + + + + +| Dysplasia | 2 3 3 4 4 3| Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + M + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Developmental Malformation | X | Hypertrophy, Focal | 3 | Vacuolization Cytoplasmic | 2 | Spindle Cell, Hyperplasia | 2 2 2 1 2 2 2 2 3 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + M + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Infiltration Cellular, Mononuclear | | Cell | 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 3 3 2 2 4| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + M + + + M + +| Cyst | X | __________________________________________________________________________| Pituitary Gland | + + + + + M M + + + M + M + + + + M + + + + + + +| Pars Distalis, Cyst | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Follicular Cell, Hyperplasia | 3 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | X | __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | Ectasia | 3 3 3 4 3 | Inflammation, Chronic | 2 4 3 2 2 | Inflammation, Suppurative | 4 | __________________________________________________________________________| Prostate | M + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 30 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 4| 4| 7| 7| 7| 3| 4| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 7| 2| 2| 2| 8| 4| 2| 0| 2| 3| 2| 2| 2| 7| 8| 2| 2| 2| 2| 2| 2| 2| 2| 1| | 3| 3| 9| 9| 9| 5| 1| 9| 3| 9| 3| 9| 9| 9| 8| 8| 9| 9| 9| 9| 9| 1| 9| 9| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Inflammation, Suppurative | 4 | __________________________________________________________________________| Seminal Vesicle | + + + | Fibrosis | | Inflammation, Chronic | | Inflammation, Suppurative | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Granuloma Sperm | 3 | Mineralization | 2 2 | Seminiferous Tubule, Atrophy | 2 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + + + + + + + | Anemia | 4 | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 2 | Proliferation | 3 3 3 2 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 3 | Mediastinal, Inflammation, | | Suppurative | 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + M + + M + + + + +| Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | | Lymphatic, Dilatation | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + M + + + + + + + + + +| Hemorrhage | 3 2 3 3 2 3 | Hyperplasia, Lymphoid | 3 2 3| Infiltration Cellular, Megakaryocyte | | Necrosis | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 2 3 2 3 3 3 2 2 | Hyperplasia, Lymphoid | 2 2 2 2 | Lymphoid Follicle, Depletion Cellular| | Red Pulp, Depletion Cellular | | __________________________________________________________________________| Thymus | + + M + + + M + + + + + + + + + + + + + M + M M +| Cyst | | _____________________________________________________________________________________________________________________| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 3 3 2 3 | Exudate | | Fibrosis | | _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 4| 4| 7| 7| 7| 3| 4| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 7| 2| 2| 2| 8| 4| 2| 0| 2| 3| 2| 2| 2| 7| 8| 2| 2| 2| 2| 2| 2| 2| 2| 1| | 3| 3| 9| 9| 9| 5| 1| 9| 3| 9| 3| 9| 9| 9| 8| 8| 9| 9| 9| 9| 9| 1| 9| 9| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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, Chronic | 2 3 | Inflammation, Suppurative | | Mineralization | | Pigmentation | 2 2 1 | Ulcer | 3 3 3 | Hair Follicle, Atrophy | | Subcutaneous Tissue, Edema | 3 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Mineralization | 1 2 1 3 3 3 3 2 3 2 1| Necrosis | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Infiltration Cellular, Histiocyte | 2 | Inflammation, Chronic | 1 2 | Leukocytosis | | Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X | Foreign Body | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cataract | | Cornea, Hyperplasia | | Cornea, Inflammation, Chronic | | Cornea, Inflammation, Granulomatous | | __________________________________________________________________________| Harderian Gland | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 3 2 | Cyst | X X X X | Hemorrhage | | _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 4| 4| 7| 7| 7| 3| 4| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 7| 2| 2| 2| 8| 4| 2| 0| 2| 3| 2| 2| 2| 7| 8| 2| 2| 2| 2| 2| 2| 2| 2| 1| | 3| 3| 9| 9| 9| 5| 1| 9| 3| 9| 3| 9| 9| 9| 8| 8| 9| 9| 9| 9| 9| 1| 9| 9| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| CONTROL | 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 | | | | Hydronephrosis | | Inflammation, Chronic | 2 2 2 1 4 2 2 1 2 1 2 2 | Inflammation, Suppurative | 4 | Metaplasia, Osseous | | Mineralization | 1 1 | Glomerulus, Necrosis | 4 | Renal Tubule, Atrophy | 3 2 | Renal Tubule, Necrosis | 4 | Renal Tubule, Regeneration | 1 4 1 2 1 2 3 1 1 1 3 3 | __________________________________________________________________________| Urethra | | Hemorrhage | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | Mucosa, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 5| 7| 5| 7| 7| 7| 5| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 7| 2| 2| 4| 2| 8| 2| 2| 2| 8| | | 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 0| 9| 2| 9| 9| 9| 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 | 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 | CONTROL | 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 + + + + + + + + + + + I M| 46 | __________________________________________________________________________|____________| Gallbladder | + + + + + + M M + + + + + + + + I + M + M + + + M| 42 | Fibrosis | | 1 3.0| Inflammation, Chronic | | 1 3.0| Mineralization | | 1 3.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + M + + + + + +| 47 | Edema | | 1 3.0| Inflammation, Suppurative | | 1 3.0| Mucosa, Hyperplasia | 2| 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + M + + + + + +| 46 | Hyperplasia, Lymphoid | | 3 3.3| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + M + + + + + +| 47 | Hyperplasia, Lymphoid | | 1 4.0| Inflammation, Suppurative | | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 1 | Hematopoietic Cell Proliferation | | 1 2.0| Inflammation, Chronic | 4 | 4 2.3| Mineralization | 3 | 4 3.8| Hepatocyte, Anisokaryosis | 3 | 1 3.0| Hepatocyte, Atrophy | 4 | 1 4.0| Hepatocyte, Vacuolization Cytoplasmic| | 1 3.0| Kupffer Cell, Hyperplasia | | 1 3.0| Kupffer Cell, Pigmentation | | 1 2.0| Lobules, Necrosis | 4 4 | 6 3.3| __________________________________________________________________________|____________| Mesentery | + + | 3 | Fat, Hemorrhage | | 1 4.0| Fat, Mineralization | 3 | 1 3.0| Fat, Necrosis | 3 | 2 3.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 2 1.5| Cyst | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + M + + + + + + +| 48 | Inflammation, Chronic | 3 1 1 | 9 1.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 34 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 5| 7| 5| 7| 7| 7| 5| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 7| 2| 2| 4| 2| 8| 2| 2| 2| 8| | | 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 0| 9| 2| 9| 9| 9| 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 | 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 | CONTROL | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | 3 | 2 3.0| Mineralization | | 1 3.0| Mucosa, Hyperplasia | 1 2 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 | 3 1.3| __________________________________________________________________________|____________| Tooth | + + + | 10 | Dysplasia | 3 4 | 8 3.3| Inflammation, Suppurative | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myocardium, Inflammation, Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + I + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + I + + + + + + + + + + + + + + + + + + +| 48 | Basophilic Focus | X | 1 | Developmental Malformation | | 1 | Hypertrophy, Focal | 3 3 | 3 3.0| Vacuolization Cytoplasmic | | 1 2.0| Spindle Cell, Hyperplasia | 2 2 2 2 2 2 2 | 18 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 2 1 | 2 1.5| Infiltration Cellular, Mononuclear | | | Cell | | 1 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 3 2 2 3 2| 14 2.4| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + M M + + + + + + + + + + + +| 45 | Cyst | | 1 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + M + + + + + + + + + + + M + + +| 43 | Pars Distalis, Cyst | X X | 3 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | Inflammation, Chronic | | 1 1.0| Follicular Cell, Hyperplasia | 1 | 3 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 35 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 5| 7| 5| 7| 7| 7| 5| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 7| 2| 2| 4| 2| 8| 2| 2| 2| 8| | | 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 0| 9| 2| 9| 9| 9| 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 | 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 | CONTROL | 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| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atypia Cellular | | 1 | __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + +| 18 | Ectasia | 3 4 2 2| 9 3.0| Inflammation, Chronic | 3 2 3 4 4 4| 11 3.0| Inflammation, Suppurative | 3 4 4 | 4 3.8| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | | 1 4.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + | 8 | Fibrosis | 3 2 | 2 2.5| Inflammation, Chronic | 3 2 | 2 2.5| Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 | 1 2.0| Granuloma Sperm | | 1 3.0| Mineralization | 2 2 1 | 5 1.8| Seminiferous Tubule, Atrophy | 1 2 | 4 1.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | | 7 | Anemia | | 1 4.0| __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 1 2.0| Proliferation | 2 | 6 2.7| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mediastinal, Hemorrhage | | 1 3.0| Mediastinal, Inflammation, | | | Suppurative | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + + + + M + + + + + + + + M + + + + + + +| 45 | Hyperplasia, Lymphoid | | 1 3.0| Hyperplasia, Plasma Cell | 4 | 1 4.0| Lymphatic, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + M + + + + + +| 48 | Hemorrhage | 3 2 2 3 3 | 11 2.6| Hyperplasia, Lymphoid | | 3 2.7| Infiltration Cellular, Megakaryocyte | 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 36 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 5| 7| 5| 7| 7| 7| 5| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 7| 2| 2| 4| 2| 8| 2| 2| 2| 8| | | 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 0| 9| 2| 9| 9| 9| 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 | 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 | CONTROL | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Necrosis | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 3 2 3 2 2 | 14 2.5| Hyperplasia, Lymphoid | 2 | 5 2.0| Lymphoid Follicle, Depletion Cellular| 2 3 | 2 2.5| Red Pulp, Depletion Cellular | 3| 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + M + + + + + + + + + + M + + + M + + + +| 42 | Cyst | X X | 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 M M| | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 1 3 3 3 2 2 2 | 12 2.4| Exudate | X | 1 | Fibrosis | 4 | 1 4.0| Inflammation, Chronic | 2 1 | 4 2.0| Inflammation, Suppurative | 3 | 1 3.0| Mineralization | 3 4 | 2 3.5| Pigmentation | | 3 1.7| Ulcer | 3 | 4 3.0| Hair Follicle, Atrophy | 3 | 1 3.0| Subcutaneous Tissue, Edema | 2 | 3 2.7| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 3 | 1 3.0| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 | Mineralization | 3 2 2 3 3 1 2 3 2 2 2 3 2 2 3 2| 27 2.3| Necrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 3 | 1 3.0| Infiltration Cellular, Histiocyte | 2 2 | 3 2.0| Inflammation, Chronic | 1 2 | 4 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 37 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 5| 7| 5| 7| 7| 7| 5| | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 7| 2| 2| 4| 2| 8| 2| 2| 2| 8| | | 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 9| 9| 9| 9| 9| 5| 9| 9| 0| 9| 2| 9| 9| 9| 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 | 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 | CONTROL | 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 | | | | | | Leukocytosis | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Exudate | X X X| 4 | Foreign Body | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + + | 3 | Cataract | 1 | 1 1.0| Cornea, Hyperplasia | 3 | 1 3.0| Cornea, Inflammation, Chronic | 2 | 1 2.0| Cornea, Inflammation, Granulomatous | 4 | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + + + + + +| 9 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Casts Protein | 4 1 | 4 2.5| Cyst | | 4 | Hemorrhage | 2 | 1 2.0| Hydronephrosis | 2 2 | 2 2.0| Inflammation, Chronic | 1 2 2 1 2 1 2 3 1 | 21 1.8| Inflammation, Suppurative | | 1 4.0| Metaplasia, Osseous | 2 | 1 2.0| Mineralization | 1 | 3 1.0| Glomerulus, Necrosis | | 1 4.0| Renal Tubule, Atrophy | 3 | 3 2.7| Renal Tubule, Necrosis | | 1 4.0| Renal Tubule, Regeneration | 1 2 1 1 1 1 1 1 1 3 1 1 2| 25 1.6| __________________________________________________________________________|____________| Urethra | + | 1 | Hemorrhage | 4 | 1 4.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 | 2 1.5| Mucosa, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 1| 3| 7| 7| 7| 7| 7| 7| 7| 7| 3| 4| 6| 7| 6| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 1| 3| 5| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 1| 0| 0| 0| 0| 0| 0| 0| 0| 4| 1| 3| 0| 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 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| 262 | 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| MG/KG | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + M + + M + + M + + + A M + +| Ectopic Tissue | X | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + A + + + + + + + + M M + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + A + + + + + + + + + + + + +| Ulcer | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + A + + + + + + + + M M + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + A + + + + + + + + A M + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Ectopic Tissue | X | Hematopoietic Cell Proliferation | 2 | Inflammation, Chronic | 1 | Hepatocyte, Vacuolization Cytoplasmic| 2 | Kupffer Cell, Hyperplasia | | Lobules, Necrosis | 2 1 2 | __________________________________________________________________________| Mesentery | + | Artery, Inflammation, Chronic Active | | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + M + + + + + + + + + + + + +| Amyloid Deposition | 2 | Atrophy | 2 | Fibrosis | | Necrosis | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 1 1 2 3 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + A + + + + + + + + + + + + +| Diverticulum | 3 3 3 3| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + A + + + + + + + + + + + + +| Cyst | X | Inflammation, Chronic | 2 | Inflammation, Chronic Active | 3 | Ulcer | | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Tongue | + | __________________________________________________________________________| Tooth | + + + | Dysplasia | 2 3 | Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 1| 3| 7| 7| 7| 7| 7| 7| 7| 7| 3| 4| 6| 7| 6| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 1| 3| 5| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 1| 0| 0| 0| 0| 0| 0| 0| 0| 4| 1| 3| 0| 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 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| 262 | 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| MG/KG | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Degeneration | 2 | Myocardium, Inflammation, Chronic | | Myocardium, Karyomegaly | 1 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Cyst | | Developmental Malformation | X X | Hypertrophy, Focal | 1 | Spindle Cell, Hyperplasia | 2 2 3 2 3 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 1 1 2 2 2 2| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + M + + + + + + + + + + + + +| Hyperplasia | 2 2 3 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + M + + M +| Cyst | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + M + + + + + + + + + + + +| Pars Distalis, Cyst | X X X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X | Inflammation, Suppurative | | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Penis | M | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | Ectasia | 4 3 4 4 | Inflammation, Chronic | 3 3 3 4 3 2 2 4 2 | Inflammation, Suppurative | 2 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + I + + + + + +| Fibrosis | | Inflammation, Chronic | 2 | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 4 | Epithelium, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 1| 3| 7| 7| 7| 7| 7| 7| 7| 7| 3| 4| 6| 7| 6| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 1| 3| 5| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 1| 0| 0| 0| 0| 0| 0| 0| 0| 4| 1| 3| 0| 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 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| 262 | 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| MG/KG | 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 | | | | __________________________________________________________________________| Seminal Vesicle | + + | Dilatation | 3 | Fibrosis | 2 | Inflammation, Suppurative | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Mineralization | 1 1 2 1 | Spermatocele | | Seminiferous Tubule, Atrophy | 1 2 3 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | + | Anemia | 3 | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hyperplasia, Reticulum Cell | 3 | Myelofibrosis | 1 | Proliferation | 3 3 2 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Hyperplasia, Lymphoid | | Inguinal, Hyperplasia, Histiocytic | 3 | Inguinal, Hyperplasia, Lymphoid | 2 2 3 | Inguinal, Hyperplasia, Plasma Cell | 3 | Renal, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + M + M + + + M + + + + + + + + +| Hematopoietic Cell Proliferation | 3 | Hemorrhage | 1 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Erythrophagocytosis | 3 | Hematopoietic Cell Proliferation | 3 4 2 3 | Hyperplasia, Re Cell | 3 | Pigmentation, Hemosiderin | 2 | Lymphoid Follicle, Depletion Cellular| 3 | Red Pulp, Depletion Cellular | | __________________________________________________________________________| Thymus | + + + M + M M + + + + + M + + + + + + + + + M M +| Cyst | X | Depletion Cellular | 3 | Epithelial Cell, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M I M M M M M M M M M + M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 4 2 3 2 3 3 2 4 2 3 2 2 1 3 3 3 3 1| _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 1| 3| 7| 7| 7| 7| 7| 7| 7| 7| 3| 4| 6| 7| 6| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 1| 3| 5| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 1| 0| 0| 0| 0| 0| 0| 0| 0| 4| 1| 3| 0| 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 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| 262 | 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| MG/KG | 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 | | | | Exudate | | Fibrosis | 4 4 | Hemorrhage | 3 | Hyperplasia, Pseudoepitheliomatous | 1 | Inflammation, Chronic | 2 4 2 2 1 2 1| Inflammation, Chronic Active | | Pigmentation | 1 2 2 3 2 2 2 2 | Ulcer | 1 4 3 4 1 2 2 3 3 | Hair Follicle, Atrophy | 3 3 3 3 4 2 3| Lymphatic, Dilatation | 3 | Subcutaneous Tissue, Edema | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | Coccygeal, Hyperplasia | 3 3 | Coccygeal, Inflammation, Chronic | 3 | Coccygeal, Inflammation, Suppurative | 3 | Tarsal, Hyperplasia | | Tarsal, Inflammation, Suppurative | | __________________________________________________________________________| Skeletal Muscle | + | Inflammation, Chronic | | Necrosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 1 3 3 2 3 2 1 2 2 3| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Hemorrhage | | Infiltration Cellular, Histiocyte | 1 | Inflammation, Suppurative | 1 | Leukocytosis | 3 | Thrombosis | | Alveolar Epithelium, Hyperplasia | 2 2 | Perivascular, Edema | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Chronic | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + A + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 1| 3| 7| 7| 7| 7| 7| 7| 7| 7| 3| 4| 6| 7| 6| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 9| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 1| 3| 5| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| 1| 0| 0| 0| 0| 0| 0| 0| 0| 4| 1| 3| 0| 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 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| 262 | 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| MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| Inflammation, Chronic | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 1 | Casts Protein | 2 | Cyst | X X X X X | Glomerulosclerosis | 2 | Infarct | 2 | Inflammation, Chronic | 2 1 1 2 2 2 2 1 1 2 | Inflammation, Suppurative | 2 | Metaplasia, Osseous | 2 2 | Mineralization | 1 1 1 1 | Glomerulus, Hyperplasia | 3 | Renal Tubule, Atrophy | 2 1 1| Renal Tubule, Dilatation | | Renal Tubule, Necrosis | | Renal Tubule, Regeneration | 1 1 2 1 1 1 1 1 1 2 1 1 1 2 1 3| __________________________________________________________________________| Urethra | | Concretion | | Inflammation, Suppurative | | Necrosis | | Bulbourethral Gland, Hyperplasia | | Mucosa, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + A + + + + + + + + + + + + +| Inflammation, Chronic | 1 2 2 | Inflammation, Suppurative | | Mucosa, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 7| 7| 7| 5| 3| 4| 7| 7| 7| 5| 7| 7| 6| 5| 1| 7| 1| 1| 7| 2| 4| 7| 5| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 9| 1| 3| 3| 3| 8| 3| 3| 0| 1| 5| 3| 4| 8| 3| 7| 3| 3| 8| 3| | | 0| 0| 0| 0| 2| 1| 2| 0| 0| 0| 4| 0| 0| 5| 9| 1| 0| 6| 7| 0| 0| 6| 0| 4| 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 | 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 | 262 | 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 | MG/KG | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + + + M M A + + + + M + + + + + + + + + + + + +| 41 | Ectopic Tissue | | 1 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | A M + + + + + M + + + + + + + + + + A + + M + + +| 42 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + A + + + M + +| 47 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + M + + + + + + + + + + + + I + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + M + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 1 | Ectopic Tissue | | 1 | Hematopoietic Cell Proliferation | | 1 2.0| Inflammation, Chronic | | 1 1.0| Hepatocyte, Vacuolization Cytoplasmic| | 1 2.0| Kupffer Cell, Hyperplasia | 3 3 | 2 3.0| Lobules, Necrosis | 4 1 1 | 6 1.8| __________________________________________________________________________|____________| Mesentery | + + | 3 | Artery, Inflammation, Chronic Active | 2 2 | 2 2.0| Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Amyloid Deposition | | 1 2.0| Atrophy | | 1 2.0| Fibrosis | 2 2 | 2 2.0| Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 1 2 | 9 1.6| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Diverticulum | | 4 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | | 1 | Inflammation, Chronic | | 1 2.0| Inflammation, Chronic Active | | 1 3.0| Ulcer | 3 | 1 3.0| Mucosa, Hyperplasia | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 7| 7| 7| 5| 3| 4| 7| 7| 7| 5| 7| 7| 6| 5| 1| 7| 1| 1| 7| 2| 4| 7| 5| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 9| 1| 3| 3| 3| 8| 3| 3| 0| 1| 5| 3| 4| 8| 3| 7| 3| 3| 8| 3| | | 0| 0| 0| 0| 2| 1| 2| 0| 0| 0| 4| 0| 0| 5| 9| 1| 0| 6| 7| 0| 0| 6| 0| 4| 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 | 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 | 262 | 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 | MG/KG | 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 | | | | | | __________________________________________________________________________|____________| Tongue | | 1 | __________________________________________________________________________|____________| Tooth | + + | 5 | Dysplasia | 3 2 | 4 2.5| Inflammation, Suppurative | 2 3 | 3 2.3| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myocardium, Degeneration | | 1 2.0| Myocardium, Inflammation, Chronic | 1 | 1 1.0| Myocardium, Karyomegaly | | 2 1.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | X | 1 | Cyst | X | 1 | Developmental Malformation | | 2 | Hypertrophy, Focal | | 1 1.0| Spindle Cell, Hyperplasia | 2 3 2 | 10 2.3| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 1 | 9 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 2 3 | 8 2.3| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cyst | X | 1 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| 48 | Pars Distalis, Cyst | X X | 5 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X X | 5 | Inflammation, Suppurative | 1 | 1 1.0| Follicular Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Penis | + | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 7| 7| 7| 5| 3| 4| 7| 7| 7| 5| 7| 7| 6| 5| 1| 7| 1| 1| 7| 2| 4| 7| 5| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 9| 1| 3| 3| 3| 8| 3| 3| 0| 1| 5| 3| 4| 8| 3| 7| 3| 3| 8| 3| | | 0| 0| 0| 0| 2| 1| 2| 0| 0| 0| 4| 0| 0| 5| 9| 1| 0| 6| 7| 0| 0| 6| 0| 4| 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 | 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 | 262 | 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 | MG/KG | 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 | | | | | | __________________________________________________________________________|____________| Preputial Gland | + + M + + + + + + + | 20 | Ectasia | 3 2 2 3 3 | 9 3.1| Inflammation, Chronic | 3 2 3 4 3 3 4 | 16 3.0| Inflammation, Suppurative | 3 3 4 | 5 3.2| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + M + + + + + + + + + + +| 48 | Fibrosis | 3 | 1 3.0| Inflammation, Chronic | | 1 2.0| Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | 4 2 2 4 | 5 3.2| Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + | 5 | Dilatation | | 1 3.0| Fibrosis | 3 | 2 2.5| Inflammation, Suppurative | 4 | 2 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 4 | 1 4.0| Mineralization | 1 2 2 2 3 | 9 1.7| Spermatocele | X | 1 | Seminiferous Tubule, Atrophy | 2 2 1 2| 8 2.1| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 2 | Anemia | | 1 3.0| __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Hyperplasia, Reticulum Cell | | 1 3.0| Myelofibrosis | | 1 1.0| Proliferation | 2 2 2 3 2 3 2 3 | 12 2.5| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Iliac, Hyperplasia, Lymphoid | 2 | 1 2.0| Inguinal, Hyperplasia, Histiocytic | 3 2 2 | 4 2.5| Inguinal, Hyperplasia, Lymphoid | 2 2 | 5 2.2| Inguinal, Hyperplasia, Plasma Cell | 2 2 2| 4 2.3| Renal, Hyperplasia, Lymphoid | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + M + M + + + + + + + + + + + + + + + + M +| 46 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + M + + + + + + + + + + + + + + + + + + +| 46 | Hematopoietic Cell Proliferation | | 1 3.0| Hemorrhage | 2 1 2 2| 7 1.7| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 46 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 7| 7| 7| 5| 3| 4| 7| 7| 7| 5| 7| 7| 6| 5| 1| 7| 1| 1| 7| 2| 4| 7| 5| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 9| 1| 3| 3| 3| 8| 3| 3| 0| 1| 5| 3| 4| 8| 3| 7| 3| 3| 8| 3| | | 0| 0| 0| 0| 2| 1| 2| 0| 0| 0| 4| 0| 0| 5| 9| 1| 0| 6| 7| 0| 0| 6| 0| 4| 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 | 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 | 262 | 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 | MG/KG | 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 | | | | | | Erythrophagocytosis | | 1 3.0| Hematopoietic Cell Proliferation | 2 3 3 2 2 4 2 2 | 12 2.7| Hyperplasia, Re Cell | | 1 3.0| Pigmentation, Hemosiderin | | 1 2.0| Lymphoid Follicle, Depletion Cellular| 3 2 | 3 2.7| Red Pulp, Depletion Cellular | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | M + + M + + + + + + M + + + + + + + M + + + + +| 39 | Cyst | X | 2 | Depletion Cellular | 3 3 3 3 | 5 3.0| Epithelial Cell, Hyperplasia | 2 3 | 4 2.3| _____________________________________________________________________________________________________________________| | 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| 2 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 2 3 1 3 3 2 2 2 2 2 2 2 3 3 3 3| 36 2.5| Exudate | X X X X | 4 | Fibrosis | 3 | 3 3.7| Hemorrhage | 3 | 2 3.0| Hyperplasia, Pseudoepitheliomatous | 2 | 2 1.5| Inflammation, Chronic | 3 1 1 3 1 1 1 3 2 3| 17 1.9| Inflammation, Chronic Active | 3 | 1 3.0| Pigmentation | 3 2 1 3| 12 2.1| Ulcer | 4 2 3 3 2 2 | 15 2.6| Hair Follicle, Atrophy | 3 2 2 2 | 11 2.7| Lymphatic, Dilatation | | 1 3.0| Subcutaneous Tissue, Edema | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 2 | 1 2.0| Coccygeal, Hyperplasia | 3 2 2 3 | 6 2.7| Coccygeal, Inflammation, Chronic | 2 3 | 3 2.7| Coccygeal, Inflammation, Suppurative | 3 | 2 3.0| Tarsal, Hyperplasia | 3 | 1 3.0| Tarsal, Inflammation, Suppurative | 4 | 1 4.0| __________________________________________________________________________|____________| Skeletal Muscle | + + + | 4 | Inflammation, Chronic | 2 | 1 2.0| Necrosis | 3 4 | 2 3.5| _____________________________________________________________________________________________________________________| | NERVOUS 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 47 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 7| 7| 7| 5| 3| 4| 7| 7| 7| 5| 7| 7| 6| 5| 1| 7| 1| 1| 7| 2| 4| 7| 5| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 9| 1| 3| 3| 3| 8| 3| 3| 0| 1| 5| 3| 4| 8| 3| 7| 3| 3| 8| 3| | | 0| 0| 0| 0| 2| 1| 2| 0| 0| 0| 4| 0| 0| 5| 9| 1| 0| 6| 7| 0| 0| 6| 0| 4| 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 | 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 | 262 | 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 | MG/KG | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 1 2 1 1 3 2 2 1 2 1 1 2 1| 25 1.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | | 1 3.0| Hemorrhage | 2| 1 2.0| Infiltration Cellular, Histiocyte | 3 | 2 2.0| Inflammation, Suppurative | | 1 1.0| Leukocytosis | 2 | 2 2.5| Thrombosis | X | 1 | Alveolar Epithelium, Hyperplasia | | 2 2.0| Perivascular, Edema | 2 | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 1 | 1 1.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | M | | __________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| 48 | Inflammation, Chronic | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Amyloid Deposition | | 1 1.0| Casts Protein | 1 3 | 3 2.0| Cyst | X X X X X | 10 | Glomerulosclerosis | | 1 2.0| Infarct | 4 | 2 3.0| Inflammation, Chronic | 3 2 1 2 | 14 1.7| Inflammation, Suppurative | 2 4 | 3 2.7| Metaplasia, Osseous | | 2 2.0| Mineralization | 1 | 5 1.0| Glomerulus, Hyperplasia | | 1 3.0| Renal Tubule, Atrophy | 1 1| 5 1.2| Renal Tubule, Dilatation | 3 2 | 2 2.5| Renal Tubule, Necrosis | 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 48 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 7| 7| 7| 5| 3| 4| 7| 7| 7| 5| 7| 7| 6| 5| 1| 7| 1| 1| 7| 2| 4| 7| 5| 7| | DAY ON TEST | 8| 3| 3| 3| 3| 9| 1| 3| 3| 3| 8| 3| 3| 0| 1| 5| 3| 4| 8| 3| 7| 3| 3| 8| 3| | | 0| 0| 0| 0| 2| 1| 2| 0| 0| 0| 4| 0| 0| 5| 9| 1| 0| 6| 7| 0| 0| 6| 0| 4| 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 | 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 | 262 | 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 | MG/KG | 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, Regeneration | 2 1 1 1 2 1 1 1 3 1| 26 1.3| __________________________________________________________________________|____________| Urethra | + + + + | 4 | Concretion | 4 | 1 4.0| Inflammation, Suppurative | 3 3 3 | 3 3.0| Necrosis | 4 | 1 4.0| Bulbourethral Gland, Hyperplasia | 3 | 1 3.0| Mucosa, Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Inflammation, Chronic | | 3 1.7| Inflammation, Suppurative | 4 | 1 4.0| Mucosa, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 0| 7| 6| 6| 6| 3| 4| 4| 7| 5| 1| 1| 6| 7| 5| 1| 4| 5| 7| 7| 7| 5| 0| 6| 1| DAY ON TEST | 9| 0| 9| 5| 5| 8| 3| 4| 2| 6| 8| 8| 0| 2| 1| 9| 2| 4| 2| 2| 2| 6| 6| 5| 5| | 3| 3| 0| 7| 2| 5| 1| 5| 9| 8| 5| 8| 1| 9| 2| 2| 7| 5| 9| 9| 9| 8| 7| 5| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 525 | 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| MG/KG | 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 + + + + + + + + + + + + + + + + +| Ulcer | | __________________________________________________________________________| Gallbladder | + + + + + + + + + + M + + + + + M M + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Large, Cecum | + M + + + + + + + + + + + + + + + + + + + + M + A| Edema | | Inflammation, Suppurative | 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + M + + + + + + + + + + + + A| Inflammation, Suppurative | 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + M + A| __________________________________________________________________________| Intestine Small, Ileum | M + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + M + + + + + + + + + + + + A| Inflammation, Chronic Active | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 | Clear Cell Focus | X X | Cyst | X | Hepatocyte, Anisokaryosis | 3 | Hepatocyte, Vacuolization Cytoplasmic| 1 | Kupffer Cell, Hyperplasia | 2 | Lobules, Necrosis | 1 2 3 2 | __________________________________________________________________________| Mesentery | + | Artery, Hypertrophy | | Artery, Inflammation, Chronic Active | | Fat, Inflammation, Chronic | | Fat, Inflammation, Suppurative | 2 | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Necrosis | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | Inflammation, Chronic | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Chronic | 2 | Mucosa, Hyperplasia | 1 2 2 2| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Erosion | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 0| 7| 6| 6| 6| 3| 4| 4| 7| 5| 1| 1| 6| 7| 5| 1| 4| 5| 7| 7| 7| 5| 0| 6| 1| DAY ON TEST | 9| 0| 9| 5| 5| 8| 3| 4| 2| 6| 8| 8| 0| 2| 1| 9| 2| 4| 2| 2| 2| 6| 6| 5| 5| | 3| 3| 0| 7| 2| 5| 1| 5| 9| 8| 5| 8| 1| 9| 2| 2| 7| 5| 9| 9| 9| 8| 7| 5| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 525 | 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| MG/KG | 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 | | | | Mineralization | 1 1 | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Tongue | | Necrosis | | __________________________________________________________________________| Tooth | + + | Dysplasia | 2 1 | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Hypertrophy | | Artery, Inflammation, Chronic Active | | Myocardium, Fibrosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Developmental Malformation | X | Hyperplasia, Focal | | Spindle Cell, Hyperplasia | 2 2 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 2 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + I M M + + + + + + + M + + + + + + + + M| Cyst | | __________________________________________________________________________| Pituitary Gland | M + + + + M + + + + + + + + + + + + + + + + M + +| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| Cyst | X | Inflammation, Suppurative | 1 | Follicular Cell, Hyperplasia | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 3 | Fibrosis | | Granuloma Sperm | | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 0| 7| 6| 6| 6| 3| 4| 4| 7| 5| 1| 1| 6| 7| 5| 1| 4| 5| 7| 7| 7| 5| 0| 6| 1| DAY ON TEST | 9| 0| 9| 5| 5| 8| 3| 4| 2| 6| 8| 8| 0| 2| 1| 9| 2| 4| 2| 2| 2| 6| 6| 5| 5| | 3| 3| 0| 7| 2| 5| 1| 5| 9| 8| 5| 8| 1| 9| 2| 2| 7| 5| 9| 9| 9| 8| 7| 5| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 525 | 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| MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Inflammation, Chronic | 2 | __________________________________________________________________________| Penis | + + | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | Atrophy | 3 | Ectasia | 3 3 3 3 4 | Inflammation, Chronic | 3 4 2 3 2 2 4 4 | Inflammation, Suppurative | 3 4 4 | __________________________________________________________________________| Prostate | + + + + + + M + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 3 1 2 2 3| __________________________________________________________________________| Seminal Vesicle | + + + + + + A| Fibrosis | 2 2 2 3 | Inflammation, Chronic | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Mineralization | 2 | Seminiferous Tubule, Atrophy | 2 2 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 | Myelofibrosis | 2 | Proliferation | 4 3 2 2 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Hyperplasia, Plasma Cell | 3 | Inguinal, Hyperplasia, Lymphoid | 3 | Inguinal, Hyperplasia, Plasma Cell | 2 | Renal, Hyperplasia, Plasma Cell | 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + M + + M + + + + + + + + + + M + M| Depletion Cellular | | Hemorrhage | 2 | Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 3 2 3 3 3 3 4 2 3 3 3| Hyperplasia, Lymphoid | 2 | Lymphoid Follicle, Depletion Cellular| 2 3 | __________________________________________________________________________| Thymus | + + M + + M + M M + + + M + M + + M + + I + + + +| Cyst | X | Depletion Cellular | 2 3 | Epithelial Cell, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 0| 7| 6| 6| 6| 3| 4| 4| 7| 5| 1| 1| 6| 7| 5| 1| 4| 5| 7| 7| 7| 5| 0| 6| 1| DAY ON TEST | 9| 0| 9| 5| 5| 8| 3| 4| 2| 6| 8| 8| 0| 2| 1| 9| 2| 4| 2| 2| 2| 6| 6| 5| 5| | 3| 3| 0| 7| 2| 5| 1| 5| 9| 8| 5| 8| 1| 9| 2| 2| 7| 5| 9| 9| 9| 8| 7| 5| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 525 | 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| MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________| Mammary Gland | M 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 3 2 2 4 4 2 2 3 1 1 2 3 2 3 2 2 4 3| Cyst Epithelial Inclusion | | Dysplasia | 4 | Exudate | X X X | Hyperkeratosis | | Hyperplasia, Pseudoepitheliomatous | 3 2 | Inflammation, Chronic | 2 2 2 1 2 1 1 1 2 2 2 2| Pigmentation | 2 1 2 1 2 2 1 1 2 2| Ulcer | 2 4 3 3 2 4 4| Hair Follicle, Atrophy | 3 3 1 2 3 3 2 2 | Subcutaneous Tissue, Edema | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 2 3 | Inflammation, Chronic | 3 | Coccygeal, Hyperplasia | 3 | Coccygeal, Inflammation, Chronic | 3 | Tarsal, Hyperplasia | 3 3 3 3 3 | Tarsal, Inflammation, Chronic | 3 2 | __________________________________________________________________________| Skeletal Muscle | + | Fibrosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | M + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Mineralization | 3 2 2 2 1 2 1 2 2 1 3 2 1 | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 3| Hemorrhage | 3 1 4 2| Infiltration Cellular, Histiocyte | | Leukocytosis | 2 2 3| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 _____________________________________________________________________________________________________________________ | 0| 7| 6| 6| 6| 3| 4| 4| 7| 5| 1| 1| 6| 7| 5| 1| 4| 5| 7| 7| 7| 5| 0| 6| 1| DAY ON TEST | 9| 0| 9| 5| 5| 8| 3| 4| 2| 6| 8| 8| 0| 2| 1| 9| 2| 4| 2| 2| 2| 6| 6| 5| 5| | 3| 3| 0| 7| 2| 5| 1| 5| 9| 8| 5| 8| 1| 9| 2| 2| 7| 5| 9| 9| 9| 8| 7| 5| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 525 | 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| MG/KG | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Eye | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Casts Protein | 1 | Cyst | X X | Hemorrhage | 3 | Hydronephrosis | 3 3 | Inflammation, Chronic | 1 2 2 | Inflammation, Suppurative | | Mineralization | 2 1 | Renal Tubule, Atrophy | 2 1 2 | Renal Tubule, Dilatation | 2 3 | Renal Tubule, Dysplasia | | Renal Tubule, Necrosis | | Renal Tubule, Regeneration | 2 1 1 1 1 1 2 3 1 1 2 2 2 2 1 3 | Renal Tubule, Vacuolization | | Cytoplasmic | 3 | __________________________________________________________________________| Urethra | + + +| Inflammation, Suppurative | 3 2 4| Mucosa, Hyperplasia | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Edema | 2 | Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 3 | Mucosa, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 5| 6| 5| 5| 1| 1| 1| 7| 5| 1| 3| 7| 7| 5| 7| 5| 6| 7| 7| 1| 1| 1| 1| 7| | DAY ON TEST | 8| 8| 4| 8| 6| 0| 1| 1| 2| 8| 1| 2| 2| 2| 1| 2| 9| 5| 2| 3| 6| 6| 7| 7| 3| | | 1| 5| 0| 3| 8| 8| 9| 9| 9| 5| 9| 9| 9| 9| 4| 9| 7| 6| 9| 0| 9| 9| 0| 1| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 525 | 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 | MG/KG | 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 + + + + + + + + + + + + + +| 47 | Ulcer | 2 | 1 2.0| __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + A + + M M M + + + + + + + +| 43 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + A A + + + + + + + + + + + + +| 45 | Edema | 2 | 1 2.0| Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + A + + + + + + + + + + + + + +| 47 | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + A + + + + + + + + + + + M + +| 46 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + A A + + + + M + + + + A + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + A A + + + + + + + + + A + + +| 45 | Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 4.0| Clear Cell Focus | | 2 | Cyst | X | 2 | Hepatocyte, Anisokaryosis | 2 | 2 2.5| Hepatocyte, Vacuolization Cytoplasmic| | 1 1.0| Kupffer Cell, Hyperplasia | | 1 2.0| Lobules, Necrosis | 4 2 | 6 2.3| __________________________________________________________________________|____________| Mesentery | + + + + + +| 7 | Artery, Hypertrophy | 4 2 | 2 3.0| Artery, Inflammation, Chronic Active | 4 | 1 4.0| Fat, Inflammation, Chronic | 3 | 1 3.0| Fat, Inflammation, Suppurative | | 1 2.0| Fat, Necrosis | 3 2| 2 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + M + + + + + + + + + + + + + +| 49 | Cyst | X | 1 | Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + A + + + + + + + + + + + + M +| 48 | Atrophy | | 1 3.0| Inflammation, Chronic | 2| 2 1.5| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Diverticulum | 3 | 1 3.0| Inflammation, Chronic | | 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 55 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 5| 6| 5| 5| 1| 1| 1| 7| 5| 1| 3| 7| 7| 5| 7| 5| 6| 7| 7| 1| 1| 1| 1| 7| | DAY ON TEST | 8| 8| 4| 8| 6| 0| 1| 1| 2| 8| 1| 2| 2| 2| 1| 2| 9| 5| 2| 3| 6| 6| 7| 7| 3| | | 1| 5| 0| 3| 8| 8| 9| 9| 9| 5| 9| 9| 9| 9| 4| 9| 7| 6| 9| 0| 9| 9| 0| 1| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 525 | 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 | MG/KG | 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 | | | | | | Mucosa, Hyperplasia | 2 | 5 1.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Cyst | X | 2 | Erosion | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 1 2.0| Mineralization | | 2 1.0| Mucosa, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Tongue | + + | 2 | Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Tooth | + | 3 | Dysplasia | 1 | 3 1.3| Inflammation, Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Hypertrophy | 4 | 1 4.0| Artery, Inflammation, Chronic Active | 4 | 1 4.0| Myocardium, Fibrosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | X X | 2 | Developmental Malformation | X | 2 | Hyperplasia, Focal | 1 | 1 1.0| Spindle Cell, Hyperplasia | 2 2 2 2 | 8 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | X | 1 | Hyperplasia | 3 3 | 4 2.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + M A + + + + + + + + + + + + +| 48 | Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + M + + + + + + M + + + + + + +| 43 | Cyst | X| 1 | __________________________________________________________________________|____________| Pituitary Gland | M + + + M + + + + + A + + + + + + + + + + M + + +| 43 | Pars Distalis, Cyst | | 2 | Pars Distalis, Hyperplasia | 1 2 | 2 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| 48 | Cyst | X X | 3 | Inflammation, Suppurative | | 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 56 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 5| 6| 5| 5| 1| 1| 1| 7| 5| 1| 3| 7| 7| 5| 7| 5| 6| 7| 7| 1| 1| 1| 1| 7| | DAY ON TEST | 8| 8| 4| 8| 6| 0| 1| 1| 2| 8| 1| 2| 2| 2| 1| 2| 9| 5| 2| 3| 6| 6| 7| 7| 3| | | 1| 5| 0| 3| 8| 8| 9| 9| 9| 5| 9| 9| 9| 9| 4| 9| 7| 6| 9| 0| 9| 9| 0| 1| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 525 | 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 | MG/KG | 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 | | | | | | Follicular Cell, Hyperplasia | | 2 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + M + + + +| 49 | Ectasia | | 1 3.0| Fibrosis | 1 | 1 1.0| Granuloma Sperm | 3 3 | 2 3.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Penis | | 2 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + +| 17 | Atrophy | | 1 3.0| Ectasia | 2 3 | 7 3.0| Inflammation, Chronic | 4 4 4 3 4| 13 3.3| Inflammation, Suppurative | 4 4 3 | 6 3.7| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + M + + + + + + + + +| 48 | Inflammation, Suppurative | 1 3 | 8 2.1| __________________________________________________________________________|____________| Seminal Vesicle | + + +| 9 | Fibrosis | | 4 2.3| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 | 1 3.0| Mineralization | 2 2 1 3 | 5 2.0| Seminiferous Tubule, Atrophy | | 4 2.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Angiectasis | | 1 4.0| Myelofibrosis | 2 | 2 2.0| Proliferation | 3 3 4 | 8 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + M + + + + + + + + + + + + + +| 49 | Iliac, Hyperplasia, Plasma Cell | 4 | 2 3.5| Inguinal, Hyperplasia, Lymphoid | 2 3 1 3| 5 2.4| Inguinal, Hyperplasia, Plasma Cell | 2 | 2 2.0| Renal, Hyperplasia, Plasma Cell | | 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 57 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 5| 6| 5| 5| 1| 1| 1| 7| 5| 1| 3| 7| 7| 5| 7| 5| 6| 7| 7| 1| 1| 1| 1| 7| | DAY ON TEST | 8| 8| 4| 8| 6| 0| 1| 1| 2| 8| 1| 2| 2| 2| 1| 2| 9| 5| 2| 3| 6| 6| 7| 7| 3| | | 1| 5| 0| 3| 8| 8| 9| 9| 9| 5| 9| 9| 9| 9| 4| 9| 7| 6| 9| 0| 9| 9| 0| 1| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 525 | 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 | MG/KG | 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, Mandibular | + M + + + M + + M + M + + + + + + + + + + + + + +| 46 | Depletion Cellular | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | M + + + + + + M + + M A + + + + + + + + M + + + +| 41 | Depletion Cellular | 3 2 3 | 3 2.7| Hemorrhage | 2 2 2 2 | 5 2.0| Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + A + + + + + + + + + + + M + +| 48 | Hematopoietic Cell Proliferation | 2 2 2 4 3 2 | 18 2.7| Hyperplasia, Lymphoid | 2 | 2 2.0| Lymphoid Follicle, Depletion Cellular| 3 3 3 2 3 3 | 8 2.8| __________________________________________________________________________|____________| Thymus | M + + + + M + + I + M + + + + + + + + + + + + + +| 38 | Cyst | | 1 | Depletion Cellular | 3 3 3 3 | 6 2.8| Epithelial Cell, Hyperplasia | 2 3 | 4 2.3| _____________________________________________________________________________________________________________________| | 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| 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 3 2 1 2 2 3 3 3 2 3 3 2 3 2 3 2 2 3 2 3 | 39 2.5| Cyst Epithelial Inclusion | X | 1 | Dysplasia | | 1 4.0| Exudate | X X | 5 | Hyperkeratosis | 2 | 1 2.0| Hyperplasia, Pseudoepitheliomatous | | 2 2.5| Inflammation, Chronic | 3 1 3 1 3 2 1 | 19 1.8| Pigmentation | 1 2 2 3 3 2 2 2 2 | 19 1.8| Ulcer | 4 3 4 3 4 4 2 3 4 2 | 17 3.2| Hair Follicle, Atrophy | 2 3 3 4 2 2 3 3 | 16 2.6| Subcutaneous Tissue, Edema | 2 | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | | 2 2.5| Inflammation, Chronic | | 1 3.0| Coccygeal, Hyperplasia | | 1 3.0| Coccygeal, Inflammation, Chronic | | 1 3.0| Tarsal, Hyperplasia | 3 3 3 | 8 3.0| Tarsal, Inflammation, Chronic | 3 | 3 2.7| __________________________________________________________________________|____________| Skeletal Muscle | + | 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 58 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 5| 6| 5| 5| 1| 1| 1| 7| 5| 1| 3| 7| 7| 5| 7| 5| 6| 7| 7| 1| 1| 1| 1| 7| | DAY ON TEST | 8| 8| 4| 8| 6| 0| 1| 1| 2| 8| 1| 2| 2| 2| 1| 2| 9| 5| 2| 3| 6| 6| 7| 7| 3| | | 1| 5| 0| 3| 8| 8| 9| 9| 9| 5| 9| 9| 9| 9| 4| 9| 7| 6| 9| 0| 9| 9| 0| 1| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 525 | 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 | MG/KG | 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 | | | | | | Fibrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Congestion | 2 3 | 3 2.7| Mineralization | 1 1 2 2 2 1 2 2 2 2 1| 24 1.8| __________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 2 3 | 4 2.5| Hemorrhage | 2 2 3 | 7 2.4| Infiltration Cellular, Histiocyte | 2 | 1 2.0| Leukocytosis | 2 3 | 5 2.4| __________________________________________________________________________|____________| Nose | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Exudate | X X X | 4 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + M + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 2 | __________________________________________________________________________|____________| Eye | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bacterium | 4 | 1 4.0| Casts Protein | 1 | 2 1.0| Cyst | X X X X X| 7 | Hemorrhage | | 1 3.0| Hydronephrosis | | 2 3.0| Inflammation, Chronic | 1 3 | 5 1.8| Inflammation, Suppurative | 2 4 | 2 3.0| Mineralization | 1 1 | 4 1.3| Renal Tubule, Atrophy | 1 1 3 1 1 | 8 1.5| Renal Tubule, Dilatation | 1 | 3 2.0| Renal Tubule, Dysplasia | 2 | 1 2.0| Renal Tubule, Necrosis | 4 | 1 4.0| Renal Tubule, Regeneration | 2 2 2 1 1 1 1 1 | 24 1.5| Renal Tubule, Vacuolization | | | Cytoplasmic | 2 | 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 59 NTP Experiment-Test: 05002-06 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC GAMMA-BUTYROLACTONE Date: 04/29/97 Route: GAVAGE Time: 07:05:58 __________________________________________________________________________________________________________________________________ | 3| 5| 6| 5| 5| 1| 1| 1| 7| 5| 1| 3| 7| 7| 5| 7| 5| 6| 7| 7| 1| 1| 1| 1| 7| | DAY ON TEST | 8| 8| 4| 8| 6| 0| 1| 1| 2| 8| 1| 2| 2| 2| 1| 2| 9| 5| 2| 3| 6| 6| 7| 7| 3| | | 1| 5| 0| 3| 8| 8| 9| 9| 9| 5| 9| 9| 9| 9| 4| 9| 7| 6| 9| 0| 9| 9| 0| 1| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 525 | 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 | MG/KG | 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 | | | | | | __________________________________________________________________________|____________| Urethra | | 3 | Inflammation, Suppurative | | 3 3.0| Mucosa, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + A A + + + + + + + + + + + + +| 48 | Congestion | 3| 1 3.0| Edema | | 1 2.0| Inflammation, Chronic Active | | 1 3.0| Inflammation, Suppurative | | 1 3.0| Mucosa, Hyperplasia | 2 | 3 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 60 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------