TDMS Study 05120-04 Pathology Tables
NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 Facility: Southern Research Institute Chemical CAS #: 140-11-4 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 6| 7| 7| 7| 5| 7| 6| 7| 4| 7| 7| 7| 4| 6| 5| 6| DAY ON TEST | 2| 5| 5| 2| 2| 2| 2| 2| 5| 3| 2| 2| 2| 4| 2| 9| 2| 5| 2| 2| 2| 5| 5| 4| 0| | 9| 6| 6| 2| 9| 9| 9| 9| 6| 9| 9| 9| 9| 1| 9| 1| 9| 6| 9| 9| 9| 6| 9| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + M + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + + + + + + + + + + + + + + +| Dilatation | 4 | __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + + + A + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | | Cyst | | Hematopoietic Cell Proliferation | 4 1 4 4 1 4| Hyperplasia, Focal | | Hyperplasia, Lymphoid | | Inflammation, Subacute | 1 1 2 2 | Mineralization | | Mixed Cell Focus | X | Bile Duct, Hyperplasia | | Hepatocyte, Cytomegaly | | Hepatocyte, Karyomegaly | | Hepatocyte, Vacuolization Cytoplasmic| | Kupffer Cell, Hyperplasia | 4 3 | Kupffer Cell, Pigmentation | | Lobules, Necrosis | 2 1 | __________________________________________________________________________| Mesentery | + + + +| Inflammation, Suppurative | 4 4| Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Hyperplasia, Lymphoid | 1 2 1 | Necrosis | 2 | Acinar Cell, Cytoplasmic Alteration | 3 4 4 3| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 2 1 1 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + I + + + + + + + + + + + + + + + + + + + + +| Edema | | Inflammation, Subacute | 2 | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 6| 7| 7| 7| 5| 7| 6| 7| 4| 7| 7| 7| 4| 6| 5| 6| DAY ON TEST | 2| 5| 5| 2| 2| 2| 2| 2| 5| 3| 2| 2| 2| 4| 2| 9| 2| 5| 2| 2| 2| 5| 5| 4| 0| | 9| 6| 6| 2| 9| 9| 9| 9| 6| 9| 9| 9| 9| 1| 9| 1| 9| 6| 9| 9| 9| 6| 9| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | 3| Mucosa, Hyperplasia | 2 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X | Edema | 2| Erosion | 2 2 3 | Inflammation, Chronic | 2 | Inflammation, Subacute | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | +| Inflammation, Chronic Active | 2| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Thrombosis | X| Myocardium, Inflammation, Chronic | | Myocardium, Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X X X | Hematopoietic Cell Proliferation | 2| Hyperplasia, Focal | 2 | Inflammation, Subacute | | Capsule, Hyperplasia | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + M + + + + + + + + + M + + + + + + + +| Cyst | | Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + M + + + M + + + + + + + + + + +| Pars Distalis, Angiectasis | 1 2 | Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 1 1 1 3 1 2 3 | Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 | Ectopic Thymus | X X | Inflammation, Subacute | 1 | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 6| 7| 7| 7| 5| 7| 6| 7| 4| 7| 7| 7| 4| 6| 5| 6| DAY ON TEST | 2| 5| 5| 2| 2| 2| 2| 2| 5| 3| 2| 2| 2| 4| 2| 9| 2| 5| 2| 2| 2| 5| 5| 4| 0| | 9| 6| 6| 2| 9| 9| 9| 9| 6| 9| 9| 9| 9| 1| 9| 1| 9| 6| 9| 9| 9| 6| 9| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Follicle, Cyst | X X X | Follicular Cell, Hyperplasia | 1 1 3 1 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | Infiltration Cellular, Lymphocyte | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + | Ectasia | 2 | Pigmentation | 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 | Cyst | X X X X X X | Hemorrhage | 3 | Inflammation, Suppurative | 1 4 4 4 4 4| Pigmentation | 3 | Interstitial Cell, Hyperplasia | 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 | Hydrometra | 2 | Hyperplasia, Cystic | 3 3 3 4 3 3 3 2 4 2 3 2 1 2 4 4 3 2 4 2 2| Inflammation, Suppurative | 3 2 3 3 4 2| Endometrium, Pigmentation | | Epithelium, Metaplasia, Squamous | 3 3 | __________________________________________________________________________| Vagina | | Granuloma | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 2 3 2 2 2 2 3| Myelofibrosis | 2 2 3 1 2 2 1 2 | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Angiectasis | | Iliac, Hematopoietic Cell | | Proliferation | | Iliac, Hyperplasia, Plasma Cell | 3 | Lumbar, Hyperplasia, Plasma Cell | 3 | Mediastinal, Hyperplasia, Plasma Cell| 3 4 | Mediastinal, Inflammation, | | Suppurative | | Renal, Ectasia | 3 | Renal, Hematopoietic Cell | | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 6| 7| 7| 7| 5| 7| 6| 7| 4| 7| 7| 7| 4| 6| 5| 6| DAY ON TEST | 2| 5| 5| 2| 2| 2| 2| 2| 5| 3| 2| 2| 2| 4| 2| 9| 2| 5| 2| 2| 2| 5| 5| 4| 0| | 9| 6| 6| 2| 9| 9| 9| 9| 6| 9| 9| 9| 9| 1| 9| 1| 9| 6| 9| 9| 9| 6| 9| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Proliferation | 2 | Renal, Hyperplasia, Lymphoid | 3 | Renal, Hyperplasia, Plasma Cell | 4 3 4 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | 2 3 | Hyperplasia, Plasma Cell | 2 3 | Pigmentation | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Hematopoietic Cell Proliferation | 2 1 2 2 2 3| Hemorrhage | 2 2 1 2 | Hyperplasia, Lymphoid | 3 4 | Hyperplasia, Plasma Cell | 3| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 3 4 3 2 4 2 3 2 1 4| Hyperplasia, Reticulum Cell | | Pigmentation, Hemosiderin | 3 3 3 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | 2 2 | Red Pulp, Hyperplasia | | __________________________________________________________________________| Thymus | + + M M + + + + + + + + + + + + + + + + + + + + M| Angiectasis | 2 2 2 | Cyst | X X | Depletion Cellular | 2 2 2 | Ectopic Parathyroid Gland | | Hyperplasia, Lymphoid | 3 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 2 | Hyperplasia, Lobular | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 1 2 | Inflammation, Chronic | 2 1 1 | Subcutaneous Tissue, Edema | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 2 2 | Sarcolemmal Nuclei, Hyperplasia | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 6| 7| 7| 7| 5| 7| 6| 7| 4| 7| 7| 7| 4| 6| 5| 6| DAY ON TEST | 2| 5| 5| 2| 2| 2| 2| 2| 5| 3| 2| 2| 2| 4| 2| 9| 2| 5| 2| 2| 2| 5| 5| 4| 0| | 9| 6| 6| 2| 9| 9| 9| 9| 6| 9| 9| 9| 9| 1| 9| 1| 9| 6| 9| 9| 9| 6| 9| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X | Hydrocephalus | | Inflammation, Chronic | 1 | Vacuolization Cytoplasmic | | Glial Cell, Proliferation | 3 | Thalamus, Mineralization | 1 2 1 1 1 3 2 2 2 2 1 3 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomatosis | | Bacterium | | Congestion | | Edema | | Hemorrhage | 2| Hyperplasia, Lymphoid | 1 2 2 1 1 | Infiltration Cellular, Histiocyte | 1 2 | Inflammation, Suppurative | | Thrombosis | X | Alveolar Epithelium, Hyperplasia | 1 | Artery, Hypertrophy | 1 | Bronchiole, Foreign Body | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X | Glands, Hyperplasia, Cystic | 1 1 2 1 2 1 2 1 2 1 1 1 1 1 1 1 1| Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Degeneration | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | + + | __________________________________________________________________________| Lacrimal Gland | M | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | 2 | Casts Protein | 1 1 1 1 1 1 1 1 1 2 1 1 2 2 2 1 1 | Cyst | X | Glomerulosclerosis | 3 2 | Hyperplasia, Lymphoid | 1 2 1 1 1 2 1 1 1 3 | Inflammation, Suppurative | 3 2 4| Interstitial Tissue, Pigmentation | 2 | Renal Tubule, Atrophy | | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 6| 7| 7| 7| 5| 7| 6| 7| 4| 7| 7| 7| 4| 6| 5| 6| DAY ON TEST | 2| 5| 5| 2| 2| 2| 2| 2| 5| 3| 2| 2| 2| 4| 2| 9| 2| 5| 2| 2| 2| 5| 5| 4| 0| | 9| 6| 6| 2| 9| 9| 9| 9| 6| 9| 9| 9| 9| 1| 9| 1| 9| 6| 9| 9| 9| 6| 9| 4| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Renal Tubule, Dilatation | 2 2| Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | | Renal Tubule, Regeneration | 2 2 1 1 1 2 1 | Transitional Epithelium, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 3 | Hyperplasia, Lymphoid | 1 1 1 1 1 1 3 1 2 1 | Inflammation, Chronic | | Mucosa, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 4| 6| 5| 4| 5| 4| 4| 7| 7| 4| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 5| 2| 2| 5| 0| 8| 5| 3| 9| 5| 2| 2| 5| 3| 2| 2| 2| 1| 2| 9| 2| 2| 2| 2| 2| | 7| 9| 9| 7| 0| 4| 8| 3| 4| 8| 9| 9| 8| 3| 9| 9| 0| 4| 9| 7| 9| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + M + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X| Clear Cell Focus | X | Cyst | X | Hematopoietic Cell Proliferation | 3 4 4 3 2 1| Hyperplasia, Focal | 2| Hyperplasia, Lymphoid | 2 2 | Inflammation, Subacute | 1 1 1 1 1 1 | Mineralization | 4 | Mixed Cell Focus | | Bile Duct, Hyperplasia | 3 2 | Hepatocyte, Cytomegaly | | Hepatocyte, Karyomegaly | | Hepatocyte, Vacuolization Cytoplasmic| 4 2 | Kupffer Cell, Hyperplasia | 3 3 2 3 3 | Kupffer Cell, Pigmentation | 2 2 | Lobules, Necrosis | 3 2 1 | __________________________________________________________________________| Mesentery | + + + + | Inflammation, Suppurative | 3 | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 3 2 | Hyperplasia, Lymphoid | 2 | Necrosis | | Acinar Cell, Cytoplasmic Alteration | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 1 1 2| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Inflammation, Subacute | 1 2 1 | _____________________________________________________________________________________________________________________| Page 8 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 4| 6| 5| 4| 5| 4| 4| 7| 7| 4| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 5| 2| 2| 5| 0| 8| 5| 3| 9| 5| 2| 2| 5| 3| 2| 2| 2| 1| 2| 9| 2| 2| 2| 2| 2| | 7| 9| 9| 7| 0| 4| 8| 3| 4| 8| 9| 9| 8| 3| 9| 9| 0| 4| 9| 7| 9| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | 2 | Mucosa, Hyperplasia | 2 2 2 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X X | Edema | | Erosion | | Inflammation, Chronic | 2| Inflammation, Subacute | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Inflammation, Chronic Active | 1 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 | Thrombosis | | Myocardium, Inflammation, Chronic | 1 | Myocardium, Mineralization | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X X X X | Hematopoietic Cell Proliferation | 2 3 | Hyperplasia, Focal | | Inflammation, Subacute | 1 | Capsule, Hyperplasia | 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 3 | __________________________________________________________________________| Parathyroid Gland | + + + M + + + + + M + + + + + + + + + + + + + + +| Cyst | X X | Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 3 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 1 1 2 1 3 1 1| Pars Intermedia, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 2 2 1 1 | Ectopic Thymus | | Inflammation, Subacute | | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 4| 6| 5| 4| 5| 4| 4| 7| 7| 4| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 5| 2| 2| 5| 0| 8| 5| 3| 9| 5| 2| 2| 5| 3| 2| 2| 2| 1| 2| 9| 2| 2| 2| 2| 2| | 7| 9| 9| 7| 0| 4| 8| 3| 4| 8| 9| 9| 8| 3| 9| 9| 0| 4| 9| 7| 9| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | Infiltration Cellular, Lymphocyte | 3 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Ectasia | | Pigmentation | | __________________________________________________________________________| Ovary | + + + + + + + + M + + + + + + + + + + + + + + + +| Angiectasis | 3 1 2 2 | Cyst | X X X X| Hemorrhage | | Inflammation, Suppurative | 4 4 4 4 4 4 3| Pigmentation | | Interstitial Cell, Hyperplasia | 2 3 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hydrometra | | Hyperplasia, Cystic | 2 3 4 2 1 1 2 1 1 2 3 2 3 1 3 3 2 2 3 2 3 2 2 4 3| Inflammation, Suppurative | 1 2 3 2 2 2| Endometrium, Pigmentation | 3 | Epithelium, Metaplasia, Squamous | 2 2 2 2 2| __________________________________________________________________________| Vagina | + | Granuloma | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 4 3 4 4 3 2 2 3 2| Myelofibrosis | 1 1 3 1 1| Pigmentation, Hemosiderin | 3 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Angiectasis | | Iliac, Hematopoietic Cell | | Proliferation | 2 | Iliac, Hyperplasia, Plasma Cell | 4 | Lumbar, Hyperplasia, Plasma Cell | 4 | Mediastinal, Hyperplasia, Plasma Cell| 4 3 3 | Mediastinal, Inflammation, | | Suppurative | 3 | Renal, Ectasia | | Renal, Hematopoietic Cell | | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 4| 6| 5| 4| 5| 4| 4| 7| 7| 4| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 5| 2| 2| 5| 0| 8| 5| 3| 9| 5| 2| 2| 5| 3| 2| 2| 2| 1| 2| 9| 2| 2| 2| 2| 2| | 7| 9| 9| 7| 0| 4| 8| 3| 4| 8| 9| 9| 8| 3| 9| 9| 0| 4| 9| 7| 9| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Proliferation | 2 | Renal, Hyperplasia, Lymphoid | 3 | Renal, Hyperplasia, Plasma Cell | 3 4 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 1 | Hyperplasia, Lymphoid | 2 2 2| Hyperplasia, Plasma Cell | 2 2 2| Pigmentation | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | 2 2 3 2 2 | Hemorrhage | 2 3 1 | Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 3 4 4 3 3 2 3 3 4 2 2| Hyperplasia, Reticulum Cell | 1 | Pigmentation, Hemosiderin | 3 3 3 | Lymphoid Follicle, Atrophy | 3 | Lymphoid Follicle, Hyperplasia | 3| Red Pulp, Hyperplasia | 2 2 | __________________________________________________________________________| Thymus | + + + + + + + M + + + + + + + + + + + M + + + + +| Angiectasis | 3 | Cyst | X X X | Depletion Cellular | 2 3 | Ectopic Parathyroid Gland | X | Hyperplasia, Lymphoid | 3| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 2 1 2 | Hyperplasia, Lobular | 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Inflammation, Chronic | | Subcutaneous Tissue, Edema | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 1| Sarcolemmal Nuclei, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 4| 6| 5| 4| 5| 4| 4| 7| 7| 4| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 5| 2| 2| 5| 0| 8| 5| 3| 9| 5| 2| 2| 5| 3| 2| 2| 2| 1| 2| 9| 2| 2| 2| 2| 2| | 7| 9| 9| 7| 0| 4| 8| 3| 4| 8| 9| 9| 8| 3| 9| 9| 0| 4| 9| 7| 9| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X | Hydrocephalus | | Inflammation, Chronic | | Vacuolization Cytoplasmic | | Glial Cell, Proliferation | | Thalamus, Mineralization | 2 2 1 2 2 2 2 2 2 2 2 3 2 2 1 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomatosis | 4 | Bacterium | 2 | Congestion | 2 | Edema | 3 | Hemorrhage | | Hyperplasia, Lymphoid | 2 1 2 3| Infiltration Cellular, Histiocyte | 1 2 2 2 4 | Inflammation, Suppurative | 2 2 | Thrombosis | X | Alveolar Epithelium, Hyperplasia | | Artery, Hypertrophy | | Bronchiole, Foreign Body | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X | Glands, Hyperplasia, Cystic | 1 1 2 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 2 1 | Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1| Mucosa, Degeneration | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | M | __________________________________________________________________________| Harderian Gland | + | __________________________________________________________________________| Lacrimal Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Casts Protein | 1 1 1 3 2 3 1 1 1 2 2 1 1 1 1| Cyst | | Glomerulosclerosis | 3 2 2 | Hyperplasia, Lymphoid | 1 2 2 1 1 1 2 3 2 1 4 3| Inflammation, Suppurative | 1 1 | Interstitial Tissue, Pigmentation | 2 | Renal Tubule, Atrophy | 2 4 | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 4| 6| 5| 4| 5| 4| 4| 7| 7| 4| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 5| 2| 2| 5| 0| 8| 5| 3| 9| 5| 2| 2| 5| 3| 2| 2| 2| 1| 2| 9| 2| 2| 2| 2| 2| | 7| 9| 9| 7| 0| 4| 8| 3| 4| 8| 9| 9| 8| 3| 9| 9| 0| 4| 9| 7| 9| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0% | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Renal Tubule, Dilatation | 3 2 | Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | 3 | Renal Tubule, Regeneration | 2 4 3 2 1 2 2 1 2 1 | Transitional Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperplasia, Lymphoid | 3 1 2 2 2 2 1 1 2 1| Inflammation, Chronic | 2 | Mucosa, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 4| 7| 6| 7| 4| 5| | | DAY ON TEST | 3| 2| 2| 2| 5| 2| 7| 2| 5| 9| | | | 3| 9| 9| 9| 8| 9| 5| 9| 8| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0% | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 60 | Dilatation | 3 | 2 2.5| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 59 | Dilatation | | 1 4.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 58 | Dilatation | 2 | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | X | 4 | Clear Cell Focus | X | 2 | Cyst | | 1 | Hematopoietic Cell Proliferation | 2 | 13 2.8| Hyperplasia, Focal | 2 | 2 2.0| Hyperplasia, Lymphoid | 1 | 3 1.7| Inflammation, Subacute | 3 1 | 12 1.3| Mineralization | | 1 4.0| Mixed Cell Focus | X | 2 | Bile Duct, Hyperplasia | | 2 2.5| Hepatocyte, Cytomegaly | 3 | 1 3.0| Hepatocyte, Karyomegaly | 3 | 1 3.0| Hepatocyte, Vacuolization Cytoplasmic| 2 | 3 2.7| Kupffer Cell, Hyperplasia | | 7 3.0| Kupffer Cell, Pigmentation | | 2 2.0| Lobules, Necrosis | 1 3 | 7 1.9| __________________________________________________________________________|____________| Mesentery | + | 9 | Inflammation, Suppurative | | 3 3.7| Fat, Necrosis | 4 | 2 3.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 4 3.3| Hyperplasia, Lymphoid | | 4 1.5| Necrosis | 3 | 2 2.5| Acinar Cell, Cytoplasmic Alteration | 4 2 3 | 8 3.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 4| 7| 6| 7| 4| 5| | | DAY ON TEST | 3| 2| 2| 2| 5| 2| 7| 2| 5| 9| | | | 3| 9| 9| 9| 8| 9| 5| 9| 8| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0% | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Hyperplasia, Lymphoid | 2 1 | 11 1.5| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 59 | Edema | | 1 2.0| Inflammation, Subacute | | 4 1.5| Ulcer | | 2 2.5| Mucosa, Hyperplasia | 2 1 | 8 1.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | | 6 | Edema | | 1 2.0| Erosion | 3 | 4 2.5| Inflammation, Chronic | | 2 2.0| Inflammation, Subacute | 1 | 1 1.0| __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 2 | Inflammation, Chronic Active | | 2 1.5| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | | 1 1.0| Thrombosis | | 1 | Myocardium, Inflammation, Chronic | 1 | 2 1.0| Myocardium, Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X X | 17 | Hematopoietic Cell Proliferation | | 3 2.3| Hyperplasia, Focal | | 1 2.0| Inflammation, Subacute | | 1 1.0| Capsule, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | 1 | 2 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Hyperplasia | 1 2 | 5 2.2| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 56 | Cyst | | 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: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 4| 7| 6| 7| 4| 5| | | DAY ON TEST | 3| 2| 2| 2| 5| 2| 7| 2| 5| 9| | | | 3| 9| 9| 9| 8| 9| 5| 9| 8| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0% | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 57 | Pars Distalis, Angiectasis | 2 2 | 5 2.0| Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 2 1 1 2 | 18 1.6| Pars Intermedia, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 2 1 | 10 1.4| Ectopic Thymus | | 2 | Inflammation, Subacute | | 1 1.0| Follicle, Cyst | X | 5 | Follicular Cell, Hyperplasia | 4 1 1 | 11 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | Infiltration Cellular, Lymphocyte | | 1 3.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | | 1 | Ectasia | | 1 2.0| Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 59 | Angiectasis | 2 | 8 1.9| Cyst | X | 11 | Hemorrhage | | 1 3.0| Inflammation, Suppurative | | 13 3.7| Pigmentation | | 1 3.0| Interstitial Cell, Hyperplasia | | 4 2.8| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 60 | Angiectasis | | 2 1.5| Hydrometra | | 1 2.0| Hyperplasia, Cystic | 3 2 2 2 1 3 3 3 2 2 | 56 2.5| Inflammation, Suppurative | 2 2 | 14 2.4| Endometrium, Pigmentation | | 1 3.0| Epithelium, Metaplasia, Squamous | | 7 2.3| __________________________________________________________________________|____________| Vagina | | 1 | Granuloma | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 4| 7| 6| 7| 4| 5| | | DAY ON TEST | 3| 2| 2| 2| 5| 2| 7| 2| 5| 9| | | | 3| 9| 9| 9| 8| 9| 5| 9| 8| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0% | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 3 2 | 19 2.6| Myelofibrosis | 2 1 1 | 16 1.6| Pigmentation, Hemosiderin | | 3 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | Iliac, Angiectasis | 4 | 1 4.0| Iliac, Hematopoietic Cell | | | Proliferation | 3 | 2 2.5| Iliac, Hyperplasia, Plasma Cell | | 2 3.5| Lumbar, Hyperplasia, Plasma Cell | | 2 3.5| Mediastinal, Hyperplasia, Plasma Cell| | 5 3.4| Mediastinal, Inflammation, | | | Suppurative | | 1 3.0| Renal, Ectasia | | 1 3.0| Renal, Hematopoietic Cell | | | Proliferation | | 2 2.0| Renal, Hyperplasia, Lymphoid | 4 | 3 3.3| Renal, Hyperplasia, Plasma Cell | | 5 3.6| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | | 2 1.5| Hyperplasia, Lymphoid | | 5 2.2| Hyperplasia, Plasma Cell | 2 | 6 2.2| Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 60 | Angiectasis | 2 | 2 2.5| Hematopoietic Cell Proliferation | | 11 2.1| Hemorrhage | | 7 1.9| Hyperplasia, Lymphoid | | 3 3.3| Hyperplasia, Plasma Cell | | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 2 3 4 3 | 27 2.9| Hyperplasia, Reticulum Cell | 4 | 2 2.5| Pigmentation, Hemosiderin | 3 | 8 2.9| Lymphoid Follicle, Atrophy | | 1 3.0| Lymphoid Follicle, Hyperplasia | 2 | 4 2.3| Red Pulp, Hyperplasia | 3 | 3 2.3| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 55 | Angiectasis | | 4 2.3| Cyst | X X X X | 9 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 4| 7| 6| 7| 4| 5| | | DAY ON TEST | 3| 2| 2| 2| 5| 2| 7| 2| 5| 9| | | | 3| 9| 9| 9| 8| 9| 5| 9| 8| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0% | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Depletion Cellular | 2 2 3 | 8 2.3| Ectopic Parathyroid Gland | X | 2 | Hyperplasia, Lymphoid | | 3 2.7| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 60 | Hyperplasia, Cystic | | 5 1.6| Hyperplasia, Lobular | | 1 1.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Acanthosis | | 2 1.5| Inflammation, Chronic | | 3 1.3| Subcutaneous Tissue, Edema | | 2 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Inflammation, Chronic | 1 3 | 7 1.9| Sarcolemmal Nuclei, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Compression | X | 3 | Hydrocephalus | 3 | 1 3.0| Inflammation, Chronic | | 1 1.0| Vacuolization Cytoplasmic | 3 | 1 3.0| Glial Cell, Proliferation | | 1 3.0| Thalamus, Mineralization | 2 1 3 3 2 1 1 2 | 38 1.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Adenomatosis | | 1 4.0| Bacterium | | 1 2.0| Congestion | | 1 2.0| Edema | | 1 3.0| Hemorrhage | | 1 2.0| Hyperplasia, Lymphoid | | 9 1.7| Infiltration Cellular, Histiocyte | | 7 2.0| Inflammation, Suppurative | | 2 2.0| Thrombosis | | 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 18 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 7| 4| 7| 6| 7| 4| 5| | | DAY ON TEST | 3| 2| 2| 2| 5| 2| 7| 2| 5| 9| | | | 3| 9| 9| 9| 8| 9| 5| 9| 8| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | A | 0% | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Alveolar Epithelium, Hyperplasia | | 1 1.0| Artery, Hypertrophy | | 1 1.0| Bronchiole, Foreign Body | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Exudate | X X X | 15 | Glands, Hyperplasia, Cystic | 2 1 1 1 2 1 1 | 47 1.2| Mucosa, Atrophy | 1 1 1 1 1 1 1 1 | 46 1.0| Mucosa, Degeneration | 1 1 1 1 1 1 1 1 1 | 58 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | | __________________________________________________________________________|____________| Harderian Gland | | 3 | __________________________________________________________________________|____________| Lacrimal Gland | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Bacterium | | 1 2.0| Casts Protein | 1 2 1 1 1 1 2 | 39 1.3| Cyst | X | 2 | Glomerulosclerosis | 1 1 | 7 2.0| Hyperplasia, Lymphoid | 2 3 1 1 1 2 | 28 1.7| Inflammation, Suppurative | | 5 2.2| Interstitial Tissue, Pigmentation | | 2 2.0| Renal Tubule, Atrophy | | 2 3.0| Renal Tubule, Dilatation | 3 1 | 6 2.2| Renal Tubule, Necrosis | 2 | 1 2.0| Renal Tubule, Pigmentation | | 1 3.0| Renal Tubule, Regeneration | 1 1 2 1 2 | 22 1.7| Transitional Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Edema | | 1 3.0| Hyperplasia, Lymphoid | 1 1 1 3 | 24 1.5| Inflammation, Chronic | | 1 2.0| Mucosa, Hyperplasia | | 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 19 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 6| 7| 6| 7| 7| 4| 7| 5| 6| 7| 4| 7| 7| 7| 5| 0| 7| 7| 4| 7| 7| 4| 7| DAY ON TEST | 5| 3| 5| 3| 7| 3| 3| 5| 3| 0| 4| 3| 2| 3| 3| 3| 4| 1| 3| 3| 5| 1| 3| 5| 3| | 6| 2| 9| 2| 8| 2| 2| 6| 2| 7| 7| 2| 8| 2| 2| 2| 4| 7| 2| 2| 7| 8| 2| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| .033% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + I + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + M + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + M + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X | Clear Cell Focus | X | Cyst | | Hematopoietic Cell Proliferation | 2 4 2 1 | Hyperplasia, Focal | | Hyperplasia, Lymphoid | 1 | Inflammation, Subacute | 1 1 | Mixed Cell Focus | | Centrilobular, Necrosis | | Hepatocyte, Vacuolization Cytoplasmic| | Kupffer Cell, Hyperplasia | 3 3 3 2 | Lobules, Necrosis | 2 1 1 1 | __________________________________________________________________________| Mesentery | + + + + + | Inflammation, Suppurative | 4 3 | Fat, Necrosis | 3 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hyperplasia, Lymphoid | | Acinar Cell, Cytoplasmic Alteration | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia, Lymphoid | 1 1 1 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 3 | Mucosa, Hyperplasia | 2 1 3 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X | Erosion | 2 | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 6| 7| 6| 7| 7| 4| 7| 5| 6| 7| 4| 7| 7| 7| 5| 0| 7| 7| 4| 7| 7| 4| 7| DAY ON TEST | 5| 3| 5| 3| 7| 3| 3| 5| 3| 0| 4| 3| 2| 3| 3| 3| 4| 1| 3| 3| 5| 1| 3| 5| 3| | 6| 2| 9| 2| 8| 2| 2| 6| 2| 7| 7| 2| 8| 2| 2| 2| 4| 7| 2| 2| 7| 8| 2| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| .033% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Inflammation, Subacute | 2 | Ulcer | | Mucosa, Dysplasia | 2 | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 1 | __________________________________________________________________________| Tooth | | Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X| Hematopoietic Cell Proliferation | | Hyperplasia, Diffuse | 2 | Hypertrophy, Focal | | Vacuolization Cytoplasmic, Focal | | Capsule, Hyperplasia | 1 | X-Zone, Degeneration, Fatty | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Thymus | | __________________________________________________________________________| Pituitary Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 2 | Pars Distalis, Hyperplasia | 2 1 3 2 2 1 2 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 2 3 | Follicle, Cyst | X X | Follicular Cell, Hyperplasia | 1 2 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | __________________________________________________________________________| Ovary | + + + + M + + + + + + I + + + + + + + + + + + + +| Angiectasis | 2 2 2 | Cyst | X X X X X | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 6| 7| 6| 7| 7| 4| 7| 5| 6| 7| 4| 7| 7| 7| 5| 0| 7| 7| 4| 7| 7| 4| 7| DAY ON TEST | 5| 3| 5| 3| 7| 3| 3| 5| 3| 0| 4| 3| 2| 3| 3| 3| 4| 1| 3| 3| 5| 1| 3| 5| 3| | 6| 2| 9| 2| 8| 2| 2| 6| 2| 7| 7| 2| 8| 2| 2| 2| 4| 7| 2| 2| 7| 8| 2| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| .033% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hemorrhage | | Inflammation, Suppurative | 4 4 4 | Thrombosis | 2 | __________________________________________________________________________| Uterus | + + + + M + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hydrometra | 3 3 | Hyperplasia, Cystic | 2 4 3 3 2 3 2 3 1 2 3 1 3 2 2 2 1 1 2 2 1 2| Inflammation, Suppurative | 3 2 1| Epithelium, Metaplasia, Squamous | 2 1 3 2 3 2| Myometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 4 3 2 2 | Myelofibrosis | 2 1 1 1 2| Necrosis | | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Hyperplasia, Lymphoid | 2 | Iliac, Hyperplasia, Plasma Cell | 2 | Mediastinal, Hyperplasia, Plasma Cell| 4 3 | Mediastinal, Inflammation, | | Suppurative | 3 | Renal, Hyperplasia, Lymphoid | 4 | Renal, Hyperplasia, Plasma Cell | 4 3 2 | __________________________________________________________________________| Lymph Node, Mandibular | I + + + + + + + + + + + + + + + + + + + M + + + +| Hematopoietic Cell Proliferation | 2 | Hyperplasia, Lymphoid | 4 3 3 3 | Hyperplasia, Plasma Cell | 2 | Pigmentation | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + M + + + + M + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 1 | Hemorrhage | | Hyperplasia, Lymphoid | 3 | Necrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 4 3 1 3 1 2 2 | Pigmentation, Hemosiderin | 2 2 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | 3 3 | Red Pulp, Hyperplasia | 2 | __________________________________________________________________________| Thymus | M + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 | Cyst | X| _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 6| 7| 6| 7| 7| 4| 7| 5| 6| 7| 4| 7| 7| 7| 5| 0| 7| 7| 4| 7| 7| 4| 7| DAY ON TEST | 5| 3| 5| 3| 7| 3| 3| 5| 3| 0| 4| 3| 2| 3| 3| 3| 4| 1| 3| 3| 5| 1| 3| 5| 3| | 6| 2| 9| 2| 8| 2| 2| 6| 2| 7| 7| 2| 8| 2| 2| 2| 4| 7| 2| 2| 7| 8| 2| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| .033% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Depletion Cellular | 2 3 3 | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 | Inflammation, Chronic | | Subcutaneous Tissue, Edema | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 1 | Sarcolemmal Nuclei, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | | Cyst | X | Thalamus, Mineralization | 3 1 2 1 2 2 2 2 1 2 1 2 2 2 2 3 2 1 2 2 2 2 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Hemorrhage | 3 1 | Hyperplasia, Lymphoid | 2 2 1 | Infiltration Cellular, Histiocyte | 2 3 | Inflammation, Subacute | | Alveolar Epithelium, Hyperplasia | | Artery, Hypertrophy | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X X | Glands, Hyperplasia, Cystic | 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Atrophy | 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 2 1 2 1 1 2 1 1| Mucosa, Degeneration | 1 1 1 1 2 1 1 1 1 1 2 1 1 1 2 1 2 1 1 2 1 1| Mucosa, Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 6| 7| 6| 7| 7| 4| 7| 5| 6| 7| 4| 7| 7| 7| 5| 0| 7| 7| 4| 7| 7| 4| 7| DAY ON TEST | 5| 3| 5| 3| 7| 3| 3| 5| 3| 0| 4| 3| 2| 3| 3| 3| 4| 1| 3| 3| 5| 1| 3| 5| 3| | 6| 2| 9| 2| 8| 2| 2| 6| 2| 7| 7| 2| 8| 2| 2| 2| 4| 7| 2| 2| 7| 8| 2| 7| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| .033% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | 3 | Casts Protein | 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 | Cyst | X | Hyperplasia, Lymphoid | 1 1 2 3 1 1 1 1 2 | Metaplasia, Osseous | | Mineralization | | Renal Tubule, Atrophy | 2 | Renal Tubule, Cytoplasmic Alteration | 3 | Renal Tubule, Dilatation | 1 | Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | 4 | Renal Tubule, Regeneration | 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + M + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperplasia, Lymphoid | 3 2 1 | _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 5| 7| 4| 7| 6| 7| 4| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 4| DAY ON TEST | 2| 9| 5| 5| 3| 3| 2| 3| 5| 3| 2| 3| 5| 5| 5| 3| 8| 3| 2| 3| 3| 3| 3| 3| 5| | 3| 1| 7| 6| 2| 2| 1| 2| 8| 2| 8| 2| 8| 9| 8| 2| 1| 2| 3| 2| 2| 2| 2| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .033% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + M + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + M + + + + + + + +| Dilatation | 3 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X | Clear Cell Focus | X | Cyst | X | Hematopoietic Cell Proliferation | 1 3 | Hyperplasia, Focal | 3 2 | Hyperplasia, Lymphoid | 1 1 | Inflammation, Subacute | 3 | Mixed Cell Focus | X X | Centrilobular, Necrosis | 3 | Hepatocyte, Vacuolization Cytoplasmic| 2 | Kupffer Cell, Hyperplasia | 3 | Lobules, Necrosis | 2 3 1 | __________________________________________________________________________| Mesentery | | Inflammation, Suppurative | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia, Lymphoid | 2 2 | Acinar Cell, Cytoplasmic Alteration | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia, Lymphoid | 1 1 1 1 1 2 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 2 | Mucosa, Hyperplasia | 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Erosion | | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 5| 7| 4| 7| 6| 7| 4| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 4| DAY ON TEST | 2| 9| 5| 5| 3| 3| 2| 3| 5| 3| 2| 3| 5| 5| 5| 3| 8| 3| 2| 3| 3| 3| 3| 3| 5| | 3| 1| 7| 6| 2| 2| 1| 2| 8| 2| 8| 2| 8| 9| 8| 2| 1| 2| 3| 2| 2| 2| 2| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .033% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Inflammation, Subacute | | Ulcer | 2 | Mucosa, Dysplasia | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | __________________________________________________________________________| Tooth | + | Dysplasia | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Hematopoietic Cell Proliferation | 3 | Hyperplasia, Diffuse | | Hypertrophy, Focal | 2 | Vacuolization Cytoplasmic, Focal | 2 | Capsule, Hyperplasia | | X-Zone, Degeneration, Fatty | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Thymus | X | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 | Pars Distalis, Hyperplasia | 2 1 1 1 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 2 1 1 | Follicle, Cyst | | Follicular Cell, Hyperplasia | 3 1 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 | Cyst | X X X X X | _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 5| 7| 4| 7| 6| 7| 4| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 4| DAY ON TEST | 2| 9| 5| 5| 3| 3| 2| 3| 5| 3| 2| 3| 5| 5| 5| 3| 8| 3| 2| 3| 3| 3| 3| 3| 5| | 3| 1| 7| 6| 2| 2| 1| 2| 8| 2| 8| 2| 8| 9| 8| 2| 1| 2| 3| 2| 2| 2| 2| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .033% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hemorrhage | | Inflammation, Suppurative | 4 3 | Thrombosis | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hydrometra | | Hyperplasia, Cystic | 3 1 2 2 2 3 3 1 3 3 3 2 3 2 3 2 2 3 2 2 2 1 2| Inflammation, Suppurative | 2 2 | Epithelium, Metaplasia, Squamous | 3 | Myometrium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 2 2 2 2 | Myelofibrosis | 2 2 3 1 | Necrosis | 2 | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Hyperplasia, Lymphoid | | Iliac, Hyperplasia, Plasma Cell | 3 | Mediastinal, Hyperplasia, Plasma Cell| 3 | Mediastinal, Inflammation, | | Suppurative | 3 | Renal, Hyperplasia, Lymphoid | | Renal, Hyperplasia, Plasma Cell | 4 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | 2 3 | Pigmentation | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 | Hemorrhage | 1 1 | Hyperplasia, Lymphoid | 2 4 | Necrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 2 3 4 3 2 4 3 | Pigmentation, Hemosiderin | 3 3 | Lymphoid Follicle, Atrophy | 3 | Lymphoid Follicle, Hyperplasia | 2 3 | Red Pulp, Hyperplasia | | __________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + M + + + M + + + +| Angiectasis | | Cyst | X | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 5| 7| 4| 7| 6| 7| 4| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 4| DAY ON TEST | 2| 9| 5| 5| 3| 3| 2| 3| 5| 3| 2| 3| 5| 5| 5| 3| 8| 3| 2| 3| 3| 3| 3| 3| 5| | 3| 1| 7| 6| 2| 2| 1| 2| 8| 2| 8| 2| 8| 9| 8| 2| 1| 2| 3| 2| 2| 2| 2| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .033% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Depletion Cellular | 2 2 4 2 | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 1 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Inflammation, Chronic | 1 | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Sarcolemmal Nuclei, Hyperplasia | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X X | Cyst | | Thalamus, Mineralization | 3 2 3 2 2 1 2 2 1 2 2 1 2 1 2 2 2 2 1 1 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | 3 | Hemorrhage | 2 3 1 | Hyperplasia, Lymphoid | 1 2 2 | Infiltration Cellular, Histiocyte | 3 | Inflammation, Subacute | 2 | Alveolar Epithelium, Hyperplasia | 2 | Artery, Hypertrophy | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X | Glands, Hyperplasia, Cystic | 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Atrophy | 2 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1| Mucosa, Degeneration | 2 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1| Mucosa, Pigmentation | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 5| 7| 4| 7| 6| 7| 4| 6| 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 4| DAY ON TEST | 2| 9| 5| 5| 3| 3| 2| 3| 5| 3| 2| 3| 5| 5| 5| 3| 8| 3| 2| 3| 3| 3| 3| 3| 5| | 3| 1| 7| 6| 2| 2| 1| 2| 8| 2| 8| 2| 8| 9| 8| 2| 1| 2| 3| 2| 2| 2| 2| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .033% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Casts Protein | 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1| Cyst | | Hyperplasia, Lymphoid | 1 2 2 1 2 1 2 1 1 1 1 1 1| Metaplasia, Osseous | 2 1 | Mineralization | 1 1 | Renal Tubule, Atrophy | | Renal Tubule, Cytoplasmic Alteration | | Renal Tubule, Dilatation | | Renal Tubule, Necrosis | | Renal Tubule, Pigmentation | 1 | Renal Tubule, Regeneration | 1 1 1 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperplasia, Lymphoid | 2 1 3 1 2 1 2 1 1 | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 7| 7| 7| 5| | | DAY ON TEST | 1| 0| 5| 3| 3| 3| 0| 3| 3| 4| | | | 4| 6| 8| 2| 8| 2| 1| 2| 2| 4| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | .033% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | M + + + + + + + + + | 57 | __________________________________________________________________________|____________| Gallbladder | + A + + + + + + + + | 58 | Dilatation | | 1 3.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 60 | Edema | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | I + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Ileum | M + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | 2 | 2 2.0| Basophilic Focus | | 2 | Clear Cell Focus | | 2 | Cyst | | 1 | Hematopoietic Cell Proliferation | 3 | 7 2.3| Hyperplasia, Focal | | 2 2.5| Hyperplasia, Lymphoid | 1 4 | 5 1.6| Inflammation, Subacute | 1 | 4 1.5| Mixed Cell Focus | | 2 | Centrilobular, Necrosis | | 1 3.0| Hepatocyte, Vacuolization Cytoplasmic| | 1 2.0| Kupffer Cell, Hyperplasia | 3 | 6 2.8| Lobules, Necrosis | 4 | 8 1.9| __________________________________________________________________________|____________| Mesentery | + + | 7 | Inflammation, Suppurative | 4 | 3 3.7| Fat, Necrosis | | 2 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Cyst | | 1 | Hyperplasia, Lymphoid | | 2 2.0| Acinar Cell, Cytoplasmic Alteration | 2 | 2 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Atrophy | 3 | 1 3.0| Hyperplasia, Lymphoid | 2 2 | 13 1.3| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 7| 7| 7| 5| | | DAY ON TEST | 1| 0| 5| 3| 3| 3| 0| 3| 3| 4| | | | 4| 6| 8| 2| 8| 2| 1| 2| 2| 4| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | .033% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Diverticulum | | 2 2.5| Mucosa, Hyperplasia | 1 | 6 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | | 3 | Erosion | | 1 2.0| Inflammation, Subacute | | 1 2.0| Ulcer | | 1 2.0| Mucosa, Dysplasia | | 1 2.0| __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | Inflammation, Chronic | | 3 1.3| __________________________________________________________________________|____________| Tooth | | 1 | Dysplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Myocardium, Inflammation, Chronic | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X | 6 | Hematopoietic Cell Proliferation | 3 | 2 3.0| Hyperplasia, Diffuse | | 1 2.0| Hypertrophy, Focal | | 1 2.0| Vacuolization Cytoplasmic, Focal | | 1 2.0| Capsule, Hyperplasia | | 1 1.0| X-Zone, Degeneration, Fatty | 3 | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 4 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 60 | Ectopic Thymus | | 1 | __________________________________________________________________________|____________| Pituitary Gland | + M + + + + M + + + | 56 | Pars Distalis, Angiectasis | 2 | 4 2.0| Pars Distalis, Hyperplasia | 2 | 14 1.6| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 1 | 9 1.6| Follicle, Cyst | X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 7| 7| 7| 5| | | DAY ON TEST | 1| 0| 5| 3| 3| 3| 0| 3| 3| 4| | | | 4| 6| 8| 2| 8| 2| 1| 2| 2| 4| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | .033% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Follicular Cell, Hyperplasia | 3 1 1 | 10 1.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 58 | Angiectasis | 2 2 | 8 2.0| Cyst | X X X X | 14 | Hemorrhage | 4 2 | 2 3.0| Inflammation, Suppurative | 4 4 | 7 3.9| Thrombosis | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 59 | Angiectasis | 3 | 2 2.5| Hydrometra | 3 | 3 3.0| Hyperplasia, Cystic | 2 2 2 2 3 2 2 2 2 2 | 55 2.2| Inflammation, Suppurative | 2 | 6 2.0| Epithelium, Metaplasia, Squamous | 2 | 8 2.3| Myometrium, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 4 | 11 2.5| Myelofibrosis | 2 2 1 | 12 1.7| Necrosis | | 1 2.0| Pigmentation, Hemosiderin | | 2 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | Iliac, Hyperplasia, Lymphoid | 3 | 2 2.5| Iliac, Hyperplasia, Plasma Cell | 3 | 3 2.7| Mediastinal, Hyperplasia, Plasma Cell| 3 | 4 3.3| Mediastinal, Inflammation, | | | Suppurative | | 2 3.0| Renal, Hyperplasia, Lymphoid | | 1 4.0| Renal, Hyperplasia, Plasma Cell | 3 | 5 3.2| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 58 | Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia, Lymphoid | | 5 3.2| Hyperplasia, Plasma Cell | 2 | 4 2.3| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 7| 7| 7| 5| | | DAY ON TEST | 1| 0| 5| 3| 3| 3| 0| 3| 3| 4| | | | 4| 6| 8| 2| 8| 2| 1| 2| 2| 4| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | .033% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Pigmentation | 3 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | M M + + + + + + + + | 56 | Hematopoietic Cell Proliferation | 2 2 | 5 2.0| Hemorrhage | 3 | 3 1.7| Hyperplasia, Lymphoid | | 3 3.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 3 3 2 3 3 | 24 2.6| Pigmentation, Hemosiderin | 2 2 | 7 2.3| Lymphoid Follicle, Atrophy | | 1 3.0| Lymphoid Follicle, Hyperplasia | 3 3 | 6 2.8| Red Pulp, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 56 | Angiectasis | | 2 2.0| Cyst | X | 3 | Depletion Cellular | 3 3 | 9 2.7| Hyperplasia, Lymphoid | | 2 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 59 | Hyperplasia, Cystic | | 4 1.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Acanthosis | | 1 3.0| Inflammation, Chronic | | 1 1.0| Subcutaneous Tissue, Edema | 3 | 2 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Inflammation, Chronic | | 2 1.5| Sarcolemmal Nuclei, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Compression | | 3 | Cyst | | 1 | Thalamus, Mineralization | 2 1 2 2 3 1 2 3 2 | 53 1.8| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 33 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 7| 7| 7| 5| | | DAY ON TEST | 1| 0| 5| 3| 3| 3| 0| 3| 3| 4| | | | 4| 6| 8| 2| 8| 2| 1| 2| 2| 4| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | .033% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Bacterium | | 1 3.0| Hemorrhage | 3 | 6 2.2| Hyperplasia, Lymphoid | 1 | 7 1.6| Infiltration Cellular, Histiocyte | 1 | 4 2.3| Inflammation, Subacute | | 1 2.0| Alveolar Epithelium, Hyperplasia | | 1 2.0| Artery, Hypertrophy | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Exudate | X X X X X | 26 | Glands, Hyperplasia, Cystic | 1 1 1 1 1 1 2 1 1 1 | 54 1.1| Mucosa, Atrophy | 1 1 1 2 1 1 1 1 1 | 57 1.2| Mucosa, Degeneration | 1 1 1 2 1 1 1 1 1 1 | 57 1.2| Mucosa, Pigmentation | 1 1 1 1 1 1 1 1 1 1 | 53 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Bacterium | | 1 3.0| Casts Protein | 1 1 1 1 1 1 | 39 1.1| Cyst | X | 2 | Hyperplasia, Lymphoid | 1 1 1 1 2 | 27 1.3| Metaplasia, Osseous | | 2 1.5| Mineralization | | 2 1.0| Renal Tubule, Atrophy | | 1 2.0| Renal Tubule, Cytoplasmic Alteration | | 1 3.0| Renal Tubule, Dilatation | | 1 1.0| Renal Tubule, Necrosis | 2 | 1 2.0| Renal Tubule, Pigmentation | | 2 2.5| Renal Tubule, Regeneration | 1 2 | 9 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 59 | Edema | 3 | 1 3.0| Hyperplasia, Lymphoid | 3 2 1 | 15 1.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 34 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| DAY ON TEST | 3| 5| 4| 3| 3| 3| 3| 5| 3| 2| 3| 1| 3| 5| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 5| | 1| 6| 9| 1| 1| 1| 1| 7| 1| 3| 1| 2| 1| 7| 1| 2| 1| 1| 1| 2| 7| 2| 2| 2| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| .1% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + I + + + + + + + + + + + + + + +| Inflammation, Subacute | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Clear Cell Focus | X | Fibrosis | | Hematopoietic Cell Proliferation | 1 2 2 | Hemorrhage | 1 | Hyperplasia, Focal | 2 2 | Hyperplasia, Lymphoid | 1 | Inflammation, Subacute | 2 1 | Metaplasia, Osseous | | Mineralization | | Nuclear Alteration | | Kupffer Cell, Hyperplasia | 2 2 2 2 3 | Kupffer Cell, Pigmentation | 2 | Lobules, Necrosis | 3 3 1 | __________________________________________________________________________| Mesentery | + + + | Inflammation, Suppurative | 3 | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Cyst | X | Focal Cellular Change | | Hyperplasia, Lymphoid | 2 1 1 2 | Acinar Cell, Cytoplasmic Alteration | 4 4 | __________________________________________________________________________| Pharynx | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 2 2 2 3 1 1 3 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Subacute | 2 2 3 2 | Mucosa, Hyperplasia | 2 2 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| DAY ON TEST | 3| 5| 4| 3| 3| 3| 3| 5| 3| 2| 3| 1| 3| 5| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 5| | 1| 6| 9| 1| 1| 1| 1| 7| 1| 3| 1| 2| 1| 7| 1| 2| 1| 1| 1| 2| 7| 2| 2| 2| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| .1% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Cyst | | Erosion | | Inflammation, Subacute | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | | Inflammation, Chronic Active | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X X X | Angiectasis | 2 | Cyst | X | Hematopoietic Cell Proliferation | | Hyperplasia, Diffuse | 2 | Hyperplasia, Focal | | Capsule, Hyperplasia | 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + M + + + + + + + + + + + + + M| Cyst | | Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 2 1 2 | Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 2 3 2 1 1 3 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 3 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 2 1 2 3 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Pigmentation | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 3 2 3 | _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| DAY ON TEST | 3| 5| 4| 3| 3| 3| 3| 5| 3| 2| 3| 1| 3| 5| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 5| | 1| 6| 9| 1| 1| 1| 1| 7| 1| 3| 1| 2| 1| 7| 1| 2| 1| 1| 1| 2| 7| 2| 2| 2| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| .1% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Cyst | X X X X X X | Hemorrhage | | Inflammation, Suppurative | 4 4 2 | Interstitial Cell, Hyperplasia | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 | Granuloma | 2 | Hemorrhage | 4 | Hydrometra | 3 | Hyperplasia, Cystic | 2 2 2 2 2 2 2 2 3 1 3 3 2 1 2 3 3 2 3 2 2 2 2 2| Inflammation, Suppurative | 3 2 2 2 3 2 | Necrosis | | Endometrium, Pigmentation | | Epithelium, Metaplasia, Squamous | 3 3 2 2 1 3 2 2 | Myometrium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 3 4 3 2 3 2 2 | Myelofibrosis | 3 2 3 1 1 | Pigmentation, Hemosiderin | 3 3 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumbar, Hyperplasia, Lymphoid | | Mediastinal, Hyperplasia, Plasma Cell| 3 | Renal, Hematopoietic Cell | | Proliferation | | Renal, Hemorrhage | 3 | Renal, Hyperplasia, Plasma Cell | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | 3 2 2 | Hyperplasia, Plasma Cell | | Pigmentation | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + M + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hematopoietic Cell Proliferation | 1 2 | Hemorrhage | 3 1 1 1 | Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 3 2 4 4 2 4 3 2 2 | Pigmentation, Hemosiderin | 2 2 3 2 | Lymphoid Follicle, Atrophy | 3 | Lymphoid Follicle, Hyperplasia | 2 3 | _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| DAY ON TEST | 3| 5| 4| 3| 3| 3| 3| 5| 3| 2| 3| 1| 3| 5| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 5| | 1| 6| 9| 1| 1| 1| 1| 7| 1| 3| 1| 2| 1| 7| 1| 2| 1| 1| 1| 2| 7| 2| 2| 2| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| .1% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Red Pulp, Hyperplasia | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + M + + + + + + + + +| Cyst | X X X X | Depletion Cellular | 3 2 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 1 | Inflammation, Chronic | 1 1 | Ulcer | | Subcutaneous Tissue, Edema | 3 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Chronic | 1 1 1 | Sarcolemmal Nuclei, Hyperplasia | 2 2 | Sarcoplasm, Atrophy | 1 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Vacuolization Cytoplasmic | | Thalamus, Mineralization | 2 1 1 3 2 3 2 2 1 1 2 2 2 1 1 1 2 2 1 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | 2 | Hemorrhage | 1 | Hyperplasia, Lymphoid | 1 1 1 1 1 1 | Infiltration Cellular, Histiocyte | 3 | Inflammation, Subacute | | Alveolar Epithelium, Hyperplasia | | Bronchiole, Foreign Body | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X | Glands, Hyperplasia, Cystic | 1 1 3 2 1 1 2 1 1 2 1 2 1 1 1 3 1 1 1 1 1 1 1 1 1| Mucosa, Atrophy | 3 2 3 3 3 2 2 3 2 3 2 3 2 2 2 3 3 3 2 3 2 3 1 2 1| Mucosa, Degeneration | 3 2 3 3 3 2 2 3 2 3 2 3 2 2 2 3 3 3 2 3 2 3 1 2 1| Mucosa, Pigmentation | 1 2 2 1 1 1 1 2 2 2 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 6| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| DAY ON TEST | 3| 5| 4| 3| 3| 3| 3| 5| 3| 2| 3| 1| 3| 5| 3| 2| 3| 3| 3| 3| 5| 3| 3| 3| 5| | 1| 6| 9| 1| 1| 1| 1| 7| 1| 3| 1| 2| 1| 7| 1| 2| 1| 1| 1| 2| 7| 2| 2| 2| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| .1% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | 1 | Casts Protein | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Glomerulosclerosis | 1 | Hydronephrosis | | Hyperplasia, Lymphoid | 2 1 1 1 1 1 1 1 3 1| Metaplasia, Osseous | | Mineralization | 1 | Renal Tubule, Dilatation | 2 | Renal Tubule, Regeneration | 1 1 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 1 2 2 2 1 2 1 1 1 | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 5| 7| 4| DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 2| 3| 3| 3| 0| 3| 1| 2| 6| 0| 5| | 2| 7| 2| 6| 2| 2| 2| 7| 2| 2| 3| 2| 2| 2| 0| 2| 2| 1| 2| 1| 4| 2| 8| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + M + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Clear Cell Focus | | Fibrosis | 2 | Hematopoietic Cell Proliferation | 3 2 4 4 1 3 | Hemorrhage | | Hyperplasia, Focal | | Hyperplasia, Lymphoid | 3 1 1| Inflammation, Subacute | 1 1 3 1| Metaplasia, Osseous | 2 | Mineralization | 2| Nuclear Alteration | 2 2 | Kupffer Cell, Hyperplasia | 2 3 3 2 3 | Kupffer Cell, Pigmentation | 1 1 2 | Lobules, Necrosis | 4 | __________________________________________________________________________| Mesentery | + + + | Inflammation, Suppurative | 4 3 | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 2 2 1 | Cyst | X | Focal Cellular Change | X X | Hyperplasia, Lymphoid | 2 1 | Acinar Cell, Cytoplasmic Alteration | 3 | __________________________________________________________________________| Pharynx | + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 2 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Subacute | 2 2| Mucosa, Hyperplasia | 1 2 2 2| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 5| 7| 4| DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 2| 3| 3| 3| 0| 3| 1| 2| 6| 0| 5| | 2| 7| 2| 6| 2| 2| 2| 7| 2| 2| 3| 2| 2| 2| 0| 2| 2| 1| 2| 1| 4| 2| 8| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Cyst | X X X | Erosion | 1 | Inflammation, Subacute | 2 | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X | Angiectasis | | Cyst | X | Hematopoietic Cell Proliferation | 2 2 3 1 | Hyperplasia, Diffuse | | Hyperplasia, Focal | 1 | Capsule, Hyperplasia | 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | 2 | Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 2 1 2 1 1 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 1 1 3 2 1 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + | Pigmentation | 2 | __________________________________________________________________________| Ovary | + + + M + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 1 2 2 2 | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 5| 7| 4| DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 2| 3| 3| 3| 0| 3| 1| 2| 6| 0| 5| | 2| 7| 2| 6| 2| 2| 2| 7| 2| 2| 3| 2| 2| 2| 0| 2| 2| 1| 2| 1| 4| 2| 8| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Cyst | X X X X X X | Hemorrhage | | Inflammation, Suppurative | 4 4 4 2 4 | Interstitial Cell, Hyperplasia | 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Granuloma | | Hemorrhage | | Hydrometra | | Hyperplasia, Cystic | 3 1 2 1 1 2 2 2 3 2 1 3 3 3 2 3 3 2 2 2 2 3 1 2| Inflammation, Suppurative | 2 2 2 | Necrosis | | Endometrium, Pigmentation | 2 | Epithelium, Metaplasia, Squamous | 2 3 2 2 | Myometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 4 3 4 4 2 2 2 2 4 | Myelofibrosis | 2 1 2 3 1 1 1 1 | Pigmentation, Hemosiderin | 3 3 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumbar, Hyperplasia, Lymphoid | 2 | Mediastinal, Hyperplasia, Plasma Cell| 4 | Renal, Hematopoietic Cell | | Proliferation | 4 | Renal, Hemorrhage | | Renal, Hyperplasia, Plasma Cell | 3 4 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 1 | Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | 2 | Pigmentation | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | 2 3 | Hemorrhage | 2 | Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 4 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 2 3 4 3 4 4 4 2 4 3 3 | Pigmentation, Hemosiderin | 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | 2 3 2| _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 5| 7| 4| DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 2| 3| 3| 3| 0| 3| 1| 2| 6| 0| 5| | 2| 7| 2| 6| 2| 2| 2| 7| 2| 2| 3| 2| 2| 2| 0| 2| 2| 1| 2| 1| 4| 2| 8| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Red Pulp, Hyperplasia | | __________________________________________________________________________| Thymus | + + + M + + M + + + + + + + + + + + + + + M + + +| Cyst | X X X X X X X | Depletion Cellular | 3 3 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + I + + + + + + + + + +| Acanthosis | 3 3 | Inflammation, Chronic | 3 | Ulcer | 3 | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 2 | Inflammation, Chronic | 1 1 1 2 | Sarcolemmal Nuclei, Hyperplasia | 2 1 | Sarcoplasm, Atrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Vacuolization Cytoplasmic | 2 | Thalamus, Mineralization | 1 2 1 1 2 2 1 3 1 2 3 3 1 2 2 2 1 2 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Hemorrhage | 1 1 1 | Hyperplasia, Lymphoid | 1 2 2 1 | Infiltration Cellular, Histiocyte | 4 2 | Inflammation, Subacute | 2 1 | Alveolar Epithelium, Hyperplasia | 2 | Bronchiole, Foreign Body | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X X X X X X X X X | Glands, Hyperplasia, Cystic | 1 1 1 2 1 1 1 1 1 1 2 2 2 1 2 1 1 2 2 1 2 2 1 1| Mucosa, Atrophy | 2 2 3 3 2 2 3 2 2 3 3 1 2 3 3 3 3 3 3 1 3 1 1 2| Mucosa, Degeneration | 2 2 3 3 2 2 3 2 2 1 3 3 1 2 3 3 3 3 3 3 1 3 1 1 2| Mucosa, Pigmentation | 1 2 2 1 1 1 1 2 1 1 1 1 2 2 2 1 1 1 2 2 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 5| 7| 4| DAY ON TEST | 3| 5| 3| 1| 3| 3| 3| 5| 3| 3| 8| 3| 3| 3| 2| 3| 3| 3| 0| 3| 1| 2| 6| 0| 5| | 2| 7| 2| 6| 2| 2| 2| 7| 2| 2| 3| 2| 2| 2| 0| 2| 2| 1| 2| 1| 4| 2| 8| 8| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| .1% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium | | Casts Protein | 2 1 1 2 2 1 1 1 1 1 2 1 2 1 1 1 1| Glomerulosclerosis | 2 1 2 2 | Hydronephrosis | 2 | Hyperplasia, Lymphoid | 1 2 1 1 1 2 1 1 | Metaplasia, Osseous | 1 2 | Mineralization | | Renal Tubule, Dilatation | 1 | Renal Tubule, Regeneration | 1 1 2 1 1 1 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 1 1 1 2 2 1 1| _____________________________________________________________________________________________________________________| Page 44 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 2| 3| 5| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 8| 1| 2| 8| 2| 2| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .1% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 58 | Inflammation, Subacute | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + M + + | 59 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + | 59 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | 1 | 2 2.0| Clear Cell Focus | X | 2 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 2 | 10 2.4| Hemorrhage | | 1 1.0| Hyperplasia, Focal | | 2 2.0| Hyperplasia, Lymphoid | 2 | 5 1.6| Inflammation, Subacute | 1 | 7 1.4| Metaplasia, Osseous | | 1 2.0| Mineralization | | 1 2.0| Nuclear Alteration | 2 | 3 2.0| Kupffer Cell, Hyperplasia | 2 | 11 2.4| Kupffer Cell, Pigmentation | 1 | 5 1.4| Lobules, Necrosis | | 4 2.8| __________________________________________________________________________|____________| Mesentery | + | 7 | Inflammation, Suppurative | 2 | 4 3.0| Fat, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 5 2.6| Cyst | X X | 4 | Focal Cellular Change | | 2 | Hyperplasia, Lymphoid | 1 1 | 8 1.4| Acinar Cell, Cytoplasmic Alteration | | 3 3.7| __________________________________________________________________________|____________| Pharynx | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 2 2 | 13 1.8| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : 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: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 2| 3| 5| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 8| 1| 2| 8| 2| 2| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .1% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Diverticulum | 2 2 | 2 2.0| Inflammation, Subacute | 2 | 7 2.1| Mucosa, Hyperplasia | 3 1 | 9 1.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | | 3 | Erosion | | 1 1.0| Inflammation, Subacute | | 1 2.0| __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | Inflammation, Chronic | | 2 1.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + | 2 | Inflammation, Chronic Active | 1 | 2 1.5| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X X | 14 | Angiectasis | | 1 2.0| Cyst | | 2 | Hematopoietic Cell Proliferation | | 4 2.0| Hyperplasia, Diffuse | | 1 2.0| Hyperplasia, Focal | | 1 1.0| Capsule, Hyperplasia | 2 | 5 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 5 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 57 | Cyst | | 1 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 60 | Pars Distalis, Angiectasis | 2 | 6 1.8| Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 1 | 15 1.7| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 3 1 1 2 | 14 1.6| Follicle, Cyst | | 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 46 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 2| 3| 5| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 8| 1| 2| 8| 2| 2| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .1% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Follicular Cell, Hyperplasia | 1 2 1 | 12 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | | 1 | Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 59 | Angiectasis | | 9 2.2| Cyst | X X X X | 16 | Hemorrhage | 4 | 1 4.0| Inflammation, Suppurative | 4 4 | 10 3.6| Interstitial Cell, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 60 | Angiectasis | 3 | 3 2.0| Granuloma | | 1 2.0| Hemorrhage | | 1 4.0| Hydrometra | 4 4 4 | 4 3.8| Hyperplasia, Cystic | 2 2 1 2 1 3 2 1 3 3 | 58 2.1| Inflammation, Suppurative | 2 | 10 2.2| Necrosis | 3 | 1 3.0| Endometrium, Pigmentation | | 1 2.0| Epithelium, Metaplasia, Squamous | 4 4 2 | 15 2.5| Myometrium, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 2 3 4 | 20 2.9| Myelofibrosis | 1 | 14 1.6| Pigmentation, Hemosiderin | 3 | 7 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | Lumbar, Hyperplasia, Lymphoid | | 1 2.0| Mediastinal, Hyperplasia, Plasma Cell| | 2 3.5| Renal, Hematopoietic Cell | | | Proliferation | | 1 4.0| Renal, Hemorrhage | | 1 3.0| Renal, Hyperplasia, Plasma Cell | | 3 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : 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: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 2| 3| 5| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 8| 1| 2| 8| 2| 2| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .1% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hematopoietic Cell Proliferation | | 2 2.0| Hyperplasia, Lymphoid | 2 | 5 2.4| Hyperplasia, Plasma Cell | | 1 2.0| Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 59 | Angiectasis | | 1 2.0| Hematopoietic Cell Proliferation | | 4 2.0| Hemorrhage | | 5 1.6| Hyperplasia, Lymphoid | 2 | 3 2.3| Hyperplasia, Plasma Cell | | 1 4.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 1 1 2 3 | 27 2.8| Pigmentation, Hemosiderin | 2 | 6 2.2| Lymphoid Follicle, Atrophy | | 1 3.0| Lymphoid Follicle, Hyperplasia | 3 | 6 2.5| Red Pulp, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 56 | Cyst | | 11 | Depletion Cellular | | 6 2.8| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 59 | Acanthosis | | 4 2.5| Inflammation, Chronic | | 3 1.7| Ulcer | | 1 3.0| Subcutaneous Tissue, Edema | | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Foreign Body | | 1 2.0| Inflammation, Chronic | | 7 1.1| Sarcolemmal Nuclei, Hyperplasia | | 4 1.8| Sarcoplasm, Atrophy | | 1 1.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 48 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 2| 3| 5| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 8| 1| 2| 8| 2| 2| 2| 2| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .1% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | Vacuolization Cytoplasmic | | 1 2.0| Thalamus, Mineralization | 1 1 1 2 3 1 3 2 | 47 1.7| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Bacterium | | 1 2.0| Hemorrhage | | 4 1.0| Hyperplasia, Lymphoid | | 10 1.2| Infiltration Cellular, Histiocyte | | 3 3.0| Inflammation, Subacute | 1 | 3 1.3| Alveolar Epithelium, Hyperplasia | | 1 2.0| Bronchiole, Foreign Body | 2 | 3 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Exudate | X X X X X X | 36 | Glands, Hyperplasia, Cystic | 1 2 1 1 1 2 1 2 1 1 | 59 1.3| Mucosa, Atrophy | 2 3 3 3 1 3 1 3 1 2 | 59 2.3| Mucosa, Degeneration | 2 3 3 3 1 3 1 3 1 2 | 60 2.3| Mucosa, Pigmentation | 1 2 1 1 1 1 1 1 1 1 | 58 1.3| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Harderian Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Bacterium | | 1 1.0| Casts Protein | 1 1 1 1 1 1 1 | 38 1.1| Glomerulosclerosis | | 5 1.6| Hydronephrosis | | 1 2.0| Hyperplasia, Lymphoid | 1 1 1 1 | 22 1.2| Metaplasia, Osseous | | 2 1.5| Mineralization | | 1 1.0| Renal Tubule, Dilatation | | 2 1.5| Renal Tubule, Regeneration | 1 1 1 | 15 1.2| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 1 2 1 | 22 1.4| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 5| 7| 4| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 4| DAY ON TEST | 9| 3| 5| 3| 3| 4| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 3| 5| | 4| 0| 6| 0| 0| 4| 0| 6| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 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 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| .3% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Hematopoietic Cell Proliferation | 3 | Hyperplasia, Lymphoid | 2 | Inflammation, Subacute | 1 2 1 | Mixed Cell Focus | | Kupffer Cell, Hyperplasia | 3 2 2 3 2 | Kupffer Cell, Pigmentation | 2 1 | Lobules, Necrosis | 1 | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | 3 | Capillary, Fat, Congestion | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Cyst | X | Hyperplasia, Lymphoid | 1 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 3 1 2 1 1 2 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Edema | | Inflammation, Subacute | 2 | Mucosa, Hyperplasia | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Edema | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 5| 7| 4| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 4| DAY ON TEST | 9| 3| 5| 3| 3| 4| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 3| 5| | 4| 0| 6| 0| 0| 4| 0| 6| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 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 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| .3% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Inflammation, Chronic Active | 2 2 2 1 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X X | Angiectasis | 2 | Cyst | X X | Developmental Malformation | | Hyperplasia, Focal | | Hypertrophy, Focal | | Capsule, Hyperplasia | 3 2 3 | X-Zone, Degeneration, Fatty | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | M M + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Ectopic Thymus | X X | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 1 1 1 1 2 1 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 2 1 | Ectopic Thymus | | Follicle, Cyst | | Follicular Cell, Hyperplasia | 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + M + + + + + + + + +| Angiectasis | 2 2 | Cyst | X X X X X X| Hemorrhage | 2 | Inflammation, Suppurative | 4 4 4 4 | Pigmentation | 3 | Interstitial Cell, Hyperplasia | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Granuloma | | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 5| 7| 4| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 4| DAY ON TEST | 9| 3| 5| 3| 3| 4| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 3| 5| | 4| 0| 6| 0| 0| 4| 0| 6| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 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 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| .3% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hydrometra | 4 | Hyperplasia, Cystic | 3 3 4 3 2 4 3 4 3 3 3 2 2 3 4 4 3 3 2 2 3 4 3 2| Inflammation, Suppurative | 4 2 1 2 | Necrosis | 4 | Epithelium, Metaplasia, Squamous | 2 1 2 1 | Myometrium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 4 2 3 2 | Myelofibrosis | 2 1 2 3 1 | Pigmentation, Hemosiderin | 3 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Iliac, Hyperplasia, Plasma Cell | 4 | Renal, Hyperplasia, Plasma Cell | 4 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 4 | Hematopoietic Cell Proliferation | 2 2 | Hemorrhage | 1 3 | Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 3 3 4 2 2 2 | Pigmentation, Hemosiderin | | Lymphoid Follicle, Hyperplasia | 2 2 2 | Red Pulp, Hyperplasia | | __________________________________________________________________________| Thymus | M + + + + + + M + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | X X X X | Depletion Cellular | 3 3 | Hyperplasia, Lymphoid | 3 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 | Hyperplasia, Lobular | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 1 1 | Cyst Epithelial Inclusion | | Inflammation, Chronic | 1 1 | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 5| 7| 4| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 4| DAY ON TEST | 9| 3| 5| 3| 3| 4| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 3| 5| | 4| 0| 6| 0| 0| 4| 0| 6| 0| 0| 0| 0| 6| 0| 0| 0| 0| 0| 0| 0| 2| 0| 0| 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 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| .3% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X | Inflammation, Chronic | | Thalamus, Mineralization | 3 2 2 2 1 3 1 2 2 2 2 3 1 2 2 1 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Hemorrhage | 2 | Hyperplasia, Lymphoid | 1 2 2 2 1 1 1 | Infiltration Cellular, Histiocyte | | Bronchiole, Foreign Body | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X X X X X X X X X X | Glands, Cyst | X | Glands, Hyperplasia, Cystic | 2 3 2 2 1 2 2 1 2 2 3 2 4 2 2 2 2 2 2 2 2 1 2 2 2| Mucosa, Atrophy | 2 3 3 3 2 2 3 3 3 2 3 3 3 3 3 3 3 3 3 1 3 3 3 3 3| Mucosa, Degeneration | 3 3 3 3 2 2 3 3 3 2 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3| Mucosa, Pigmentation | 1 2 2 2 1 1 1 2 2 2 2 2 2 2 2 2 1 1 2 2 2 1 1 2 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 1 1 1 2 1 1 2 1 1 2 2| Cyst | | Glomerulosclerosis | | Hyperplasia, Lymphoid | 1 1 1 1 2 1 1 2 | Mineralization | 1 | Renal Tubule, Atrophy | | Renal Tubule, Regeneration | 2 2 2 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 2 2 2 1 1 | _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 3| 7| 4| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 0| 3| 5| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 7| 3| 5| 3| 3| 3| 3| 3| 3| 5| 3| | 0| 2| 0| 6| 0| 0| 6| 0| 0| 0| 6| 0| 0| 0| 4| 0| 7| 0| 0| 0| 0| 0| 0| 7| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .3% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| Hyperplasia, Lymphoid | 4 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X | Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | 2 | Inflammation, Subacute | 1 1 1 1 2 | Mixed Cell Focus | X | Kupffer Cell, Hyperplasia | | Kupffer Cell, Pigmentation | | Lobules, Necrosis | 1 1 3 | __________________________________________________________________________| Mesentery | + | Inflammation, Suppurative | | Capillary, Fat, Congestion | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Cyst | | Hyperplasia, Lymphoid | 2 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 1 2 1 1 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 2 | Edema | 2 | Inflammation, Subacute | 1 | Mucosa, Hyperplasia | 2 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Edema | 2 | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 3| 7| 4| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 0| 3| 5| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 7| 3| 5| 3| 3| 3| 3| 3| 3| 5| 3| | 0| 2| 0| 6| 0| 0| 6| 0| 0| 0| 6| 0| 0| 0| 4| 0| 7| 0| 0| 0| 0| 0| 0| 7| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .3% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X X | Angiectasis | | Cyst | | Developmental Malformation | X | Hyperplasia, Focal | | Hypertrophy, Focal | | Capsule, Hyperplasia | 2 | X-Zone, Degeneration, Fatty | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + M + + + + + + + M + + + + + + + + + +| Cyst | | Ectopic Thymus | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 2 1 1 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 1 1 2 1 1| Ectopic Thymus | X | Follicle, Cyst | X X X X | Follicular Cell, Hyperplasia | 2 1 2 1 1 1 2 1 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 | Cyst | X X X X X | Hemorrhage | | Inflammation, Suppurative | | Pigmentation | | Interstitial Cell, Hyperplasia | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Granuloma | 3 | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 3| 7| 4| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 0| 3| 5| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 7| 3| 5| 3| 3| 3| 3| 3| 3| 5| 3| | 0| 2| 0| 6| 0| 0| 6| 0| 0| 0| 6| 0| 0| 0| 4| 0| 7| 0| 0| 0| 0| 0| 0| 7| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .3% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hydrometra | 3 | Hyperplasia, Cystic | 4 2 3 2 3 3 2 3 3 3 2 3 3 3 1 2 2 4 2 3 3 2 1 1 1| Inflammation, Suppurative | 1 | Necrosis | 3 | Epithelium, Metaplasia, Squamous | 2 | Myometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 | Myelofibrosis | 2 1 1 2 2 2 1 | Pigmentation, Hemosiderin | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + A + + + + + + + + + +| Iliac, Hyperplasia, Plasma Cell | | Renal, Hyperplasia, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + M + + + + + + + + + +| Hyperplasia, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + A + + + + + + + + + +| Ectasia | 2| Hematopoietic Cell Proliferation | | Hemorrhage | 1 1 2 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + M + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 2 3 2 | Pigmentation, Hemosiderin | | Lymphoid Follicle, Hyperplasia | 2 | Red Pulp, Hyperplasia | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + M + + + + + + + + + + + + + +| Angiectasis | 2 | Cyst | X X X X X X X X| Depletion Cellular | | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Cystic | 1 | Hyperplasia, Lobular | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Cyst Epithelial Inclusion | X | Inflammation, Chronic | | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 3| 7| 4| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 0| 3| 5| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 7| 3| 5| 3| 3| 3| 3| 3| 3| 5| 3| | 0| 2| 0| 6| 0| 0| 6| 0| 0| 0| 6| 0| 0| 0| 4| 0| 7| 0| 0| 0| 0| 0| 0| 7| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| .3% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | | Inflammation, Chronic | 1 | Thalamus, Mineralization | 3 2 2 1 3 1 1 1 3 2 3 3 2 2 2 2 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hemorrhage | 3 1 | Hyperplasia, Lymphoid | 1 2 1 1 3 | Infiltration Cellular, Histiocyte | 1 | Bronchiole, Foreign Body | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X X X X X X| Glands, Cyst | | Glands, Hyperplasia, Cystic | 2 1 2 1 2 2 2 2 1 2 2 2 2 1 2 2 2 1 1 1 2 2 2 3 2| Mucosa, Atrophy | 3 1 3 3 3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3| Mucosa, Degeneration | 3 1 3 3 3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3| Mucosa, Pigmentation | 2 1 3 1 2 2 2 1 2 2 1 1 1 2 1 2 2 1 1 1 2 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 1 1 1 1 1 1 1 1 1 1 | Cyst | | Glomerulosclerosis | | Hyperplasia, Lymphoid | 1 3 1 1 3 1 1 2 1 1| Mineralization | 1 1 | Renal Tubule, Atrophy | | Renal Tubule, Regeneration | 1 1 2 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 1 3 2 3 1 3 | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| | | | 0| 0| 0| 0| 0| 7| 0| 0| 0| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .3% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + M + | 58 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 59 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 59 | Hyperplasia, Lymphoid | 2 | 2 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | X | 5 | Hematopoietic Cell Proliferation | | 1 3.0| Hyperplasia, Lymphoid | | 2 2.0| Inflammation, Subacute | 1 1 1 1 1 | 13 1.2| Mixed Cell Focus | | 1 | Kupffer Cell, Hyperplasia | | 5 2.4| Kupffer Cell, Pigmentation | | 2 1.5| Lobules, Necrosis | 1 3 | 6 1.7| __________________________________________________________________________|____________| Mesentery | | 3 | Inflammation, Suppurative | | 1 3.0| Capillary, Fat, Congestion | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + M + + + + + | 59 | Atrophy | | 2 1.5| Cyst | | 1 | Hyperplasia, Lymphoid | | 4 1.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 | 15 1.4| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Diverticulum | 2 | 2 2.0| Edema | | 1 2.0| Inflammation, Subacute | | 2 1.5| Mucosa, Hyperplasia | | 3 2.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | | 2 | Edema | | 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 58 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| | | | 0| 0| 0| 0| 0| 7| 0| 0| 0| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .3% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 5 | Inflammation, Chronic Active | | 5 1.8| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X X | 14 | Angiectasis | | 1 2.0| Cyst | | 2 | Developmental Malformation | | 1 | Hyperplasia, Focal | 2 | 1 2.0| Hypertrophy, Focal | 1 1 | 2 1.0| Capsule, Hyperplasia | 2 | 5 2.4| X-Zone, Degeneration, Fatty | 3 | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 3 1.3| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + M + + + + + | 59 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + + | 55 | Cyst | | 1 | Ectopic Thymus | | 2 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 59 | Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia | 2 | 14 1.4| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 1 1 1 | 13 1.2| Ectopic Thymus | | 1 | Follicle, Cyst | X | 5 | Follicular Cell, Hyperplasia | 1 3 2 1 | 17 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | 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 59 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| | | | 0| 0| 0| 0| 0| 7| 0| 0| 0| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .3% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 59 | Angiectasis | 2 | 5 2.0| Cyst | X X X X X X | 17 | Hemorrhage | | 1 2.0| Inflammation, Suppurative | | 4 4.0| Pigmentation | 3 | 2 3.0| Interstitial Cell, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 60 | Angiectasis | 2 | 3 2.3| Granuloma | | 1 3.0| Hydrometra | | 2 3.5| Hyperplasia, Cystic | 3 3 2 2 1 3 3 2 3 | 58 2.7| Inflammation, Suppurative | 1 | 6 1.8| Necrosis | | 2 3.5| Epithelium, Metaplasia, Squamous | 1 1 | 7 1.4| Myometrium, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 2 2 3 | 8 2.5| Myelofibrosis | 2 1 3 | 15 1.7| Pigmentation, Hemosiderin | 3 3 | 4 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 59 | Iliac, Hyperplasia, Plasma Cell | | 1 4.0| Renal, Hyperplasia, Plasma Cell | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 59 | Hyperplasia, Plasma Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + I + + + | 58 | Ectasia | | 2 3.0| Hematopoietic Cell Proliferation | | 2 2.0| Hemorrhage | 3 | 6 1.8| Hyperplasia, Lymphoid | 2 | 3 2.3| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 59 | Hematopoietic Cell Proliferation | 2 2 2 2 | 15 2.4| Pigmentation, Hemosiderin | 2 2 | 2 2.0| Lymphoid Follicle, Hyperplasia | 2 2 | 6 2.0| Red Pulp, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 57 | Angiectasis | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 60 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| | | | 0| 0| 0| 0| 0| 7| 0| 0| 0| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .3% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Cyst | X | 13 | Depletion Cellular | | 2 3.0| Hyperplasia, Lymphoid | | 2 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 60 | Hyperplasia, Cystic | | 2 1.0| Hyperplasia, Lobular | | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Acanthosis | 2 | 3 1.3| Cyst Epithelial Inclusion | | 1 | Inflammation, Chronic | | 2 1.0| Ulcer | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 1.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Compression | | 1 | Inflammation, Chronic | | 1 1.0| Thalamus, Mineralization | 1 1 2 2 1 3 2 2 | 42 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Edema | | 1 2.0| Hemorrhage | 1 | 4 1.8| Hyperplasia, Lymphoid | 1 2 | 14 1.5| Infiltration Cellular, Histiocyte | | 1 1.0| Bronchiole, Foreign Body | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Exudate | X X X X X X X X X | 45 | Glands, Cyst | | 1 | Glands, Hyperplasia, Cystic | 2 2 2 2 2 2 2 2 1 2 | 60 1.9| Mucosa, Atrophy | 3 3 3 3 3 3 3 3 3 2 | 60 2.8| Mucosa, Degeneration | 3 3 3 3 3 3 3 3 3 2 | 60 2.9| Mucosa, Pigmentation | 2 2 1 2 2 1 1 1 1 1 | 58 1.6| __________________________________________________________________________________________________________________________________ * : 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 61 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| | | | 0| 0| 0| 0| 0| 7| 0| 0| 0| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | .3% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 1 | __________________________________________________________________________|____________| Harderian Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Casts Protein | 2 3 3 1 2 1 | 31 1.3| Cyst | X X | 2 | Glomerulosclerosis | 2 | 1 2.0| Hyperplasia, Lymphoid | 1 3 1 1 1 | 23 1.4| Mineralization | | 3 1.0| Renal Tubule, Atrophy | 2 | 1 2.0| Renal Tubule, Regeneration | 1 1 3 3 | 14 1.6| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 2 1 1 | 17 1.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 62 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| DAY ON TEST | 2| 2| 5| 2| 2| 2| 2| 2| 2| 7| 5| 2| 2| 2| 5| 2| 2| 2| 4| 2| 2| 1| 2| 5| 0| | 9| 9| 6| 9| 9| 9| 9| 9| 9| 0| 6| 9| 9| 9| 6| 9| 9| 4| 4| 9| 5| 0| 9| 7| 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| 0% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + M + + + + + + + + + + M + M +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + A + A M + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + M + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X X | Hyperplasia, Focal | 2 | Hyperplasia, Lymphoid | | Inflammation, Subacute | 1 | Mixed Cell Focus | X X | Nuclear Alteration | 2 | Centrilobular, Necrosis | 4 | Hepatocyte, Cytomegaly | 2 | Hepatocyte, Vacuolization Cytoplasmic| 2 2| Kupffer Cell, Hyperplasia | | Lobules, Necrosis | 3 4 | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Focal Cellular Change | X | Acinar Cell, Cytoplasmic Alteration | 3 3| __________________________________________________________________________| Pharynx | + | Ulcer | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 1 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | 3 | Mucosa, Hyperplasia | 3 2 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X | Erosion | 1 1 | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | | Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 63 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| DAY ON TEST | 2| 2| 5| 2| 2| 2| 2| 2| 2| 7| 5| 2| 2| 2| 5| 2| 2| 2| 4| 2| 2| 1| 2| 5| 0| | 9| 9| 6| 9| 9| 9| 9| 9| 9| 0| 6| 9| 9| 9| 6| 9| 9| 4| 4| 9| 5| 0| 9| 7| 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| 0% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | + | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X | Angiectasis | | Cyst | X | Hyperplasia, Focal | 1 2 2 2 | Hypertrophy, Focal | 2 2 1 1 3 1 2 1 2 2 2 | Vacuolization Cytoplasmic, Focal | 2 1 1 | Capsule, Hyperplasia | 3 3 2 2 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 3 2 1 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + M + + + + + + M + + + + +| Cyst | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 1| Follicle, Cyst | X X X | Follicular Cell, Hyperplasia | 1 2 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | X | Inflammation, Chronic | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + | Atrophy | | Ectasia | 4 3 3 4 4 3 3 3 4 3 3 2 4 3 4 3 | Inflammation, Chronic | 2 1 2 3 2 2 2 | Inflammation, Suppurative | 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2| _____________________________________________________________________________________________________________________| Page 64 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| DAY ON TEST | 2| 2| 5| 2| 2| 2| 2| 2| 2| 7| 5| 2| 2| 2| 5| 2| 2| 2| 4| 2| 2| 1| 2| 5| 0| | 9| 9| 6| 9| 9| 9| 9| 9| 9| 0| 6| 9| 9| 9| 6| 9| 9| 4| 4| 9| 5| 0| 9| 7| 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| 0% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hemorrhage | | Inflammation, Chronic | 2| Inflammation, Suppurative | 2 | Epithelium, Hyperplasia | 2| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Seminiferous Tubule, Atrophy | 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 3 2 3| Necrosis | | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Inguinal, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M M + + + +| Depletion Cellular | 2| Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + M + + + + + +| Depletion Cellular | 2| Hematopoietic Cell Proliferation | 3 | Hemorrhage | 2 1 3 2 1 3 | Hyperplasia, Lymphoid | 2 3 | Hyperplasia, Plasma Cell | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 4 2 2 | Hyperplasia, Reticulum Cell | 3 | Necrosis | | Lymphoid Follicle, Atrophy | 3| Lymphoid Follicle, Hyperplasia | | Red Pulp, Atrophy | 2 | __________________________________________________________________________| Thymus | + + + M + + + + + + + + + + + + + + M M M + + + +| Cyst | X X X X X X X| Depletion Cellular | 2 3 4| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 65 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 4| 4| DAY ON TEST | 2| 2| 5| 2| 2| 2| 2| 2| 2| 7| 5| 2| 2| 2| 5| 2| 2| 2| 4| 2| 2| 1| 2| 5| 0| | 9| 9| 6| 9| 9| 9| 9| 9| 9| 0| 6| 9| 9| 9| 6| 9| 9| 4| 4| 9| 5| 0| 9| 7| 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| 0% | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Sarcolemmal Nuclei, Hyperplasia | 2 | Sarcoplasm, Atrophy | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Thalamus, Mineralization | 2 3 2 1 2 2 1 2 3 2 2 2 1 3 2 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 | Infiltration Cellular, Histiocyte | 4 3 4 | Thrombosis | X | Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Exudate | X X X X | Glands, Hyperplasia, Cystic | 1 1 1 2 1 2 3 1 2 3 1 3 1 | Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Mucosa, Degeneration | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Mucosa, Metaplasia, Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 2 1 1 1 | Cyst | X X X X X X X | Glomerulosclerosis | | Hyperplasia, Lymphoid | 1 1 3 2 1| Inflammation, Suppurative | 3 1| Mineralization | 1 1 1 1 2 2 1 1 1 1 | Renal Tubule, Atrophy | 1 3 1 | Renal Tubule, Dilatation | 2| Renal Tubule, Hyperplasia | | Renal Tubule, Regeneration | 2 1 1 2 2 2 1 2 2 1 1 1 2 2 1 1 1 2 1 1 1 1 1 3| Transitional Epithelium, Hyperplasia | 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 | Inflammation, Chronic | 3| Inflammation, Suppurative | 3 3| Mucosa, Hyperplasia | 3| _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 6| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| DAY ON TEST | 2| 2| 5| 1| 7| 2| 5| 2| 2| 2| 2| 5| 2| 2| 2| 2| 5| 2| 2| 0| 2| 2| 2| 2| 5| | 9| 7| 7| 8| 7| 9| 8| 9| 9| 9| 9| 8| 9| 9| 9| 9| 8| 9| 9| 8| 9| 9| 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| 0% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X| Clear Cell Focus | X X X | Hyperplasia, Focal | 3 | Hyperplasia, Lymphoid | 1 | Inflammation, Subacute | | Mixed Cell Focus | | Nuclear Alteration | | Centrilobular, Necrosis | | Hepatocyte, Cytomegaly | 2 | Hepatocyte, Vacuolization Cytoplasmic| 2 | Kupffer Cell, Hyperplasia | 2 3 | Lobules, Necrosis | 4 | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 4 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Focal Cellular Change | X X | Acinar Cell, Cytoplasmic Alteration | 3 | __________________________________________________________________________| Pharynx | | Ulcer | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 1 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | 2 | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X | Erosion | 3 | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | Dysplasia | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 6| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| DAY ON TEST | 2| 2| 5| 1| 7| 2| 5| 2| 2| 2| 2| 5| 2| 2| 2| 2| 5| 2| 2| 0| 2| 2| 2| 2| 5| | 9| 7| 7| 8| 7| 9| 8| 9| 9| 9| 9| 8| 9| 9| 9| 9| 8| 9| 9| 8| 9| 9| 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| 0% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | | Inflammation, Chronic Active | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X| Angiectasis | | Cyst | | Hyperplasia, Focal | 2 1 | Hypertrophy, Focal | 1 2 2 2 1 1 1 1 2 2 1 2 1 | Vacuolization Cytoplasmic, Focal | 2 | Capsule, Hyperplasia | 2 3 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 2 3 2 | __________________________________________________________________________| Parathyroid Gland | M + + + + + + M + I M + + + M + + + + + + + + + +| Cyst | X | __________________________________________________________________________| Pituitary Gland | + + + + M + + + M + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | | Inflammation, Chronic | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + | Atrophy | 3 | Ectasia | 4 3 3 3 4 4 3 4 4 4 3 4 | Inflammation, Chronic | 2 2 3 2 2 3 3 | Inflammation, Suppurative | 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 6| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| DAY ON TEST | 2| 2| 5| 1| 7| 2| 5| 2| 2| 2| 2| 5| 2| 2| 2| 2| 5| 2| 2| 0| 2| 2| 2| 2| 5| | 9| 7| 7| 8| 7| 9| 8| 9| 9| 9| 9| 8| 9| 9| 9| 9| 8| 9| 9| 8| 9| 9| 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| 0% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Hemorrhage | 2 | Inflammation, Chronic | | Inflammation, Suppurative | | Epithelium, Hyperplasia | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Seminiferous Tubule, Atrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 2 | Necrosis | | Pigmentation, Hemosiderin | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Inguinal, Hyperplasia, Lymphoid | 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | M + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Hematopoietic Cell Proliferation | 2 | Hemorrhage | 2 3 1 2 2 1 1 1 3 2| Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 3 3 2 2 | Hyperplasia, Reticulum Cell | | Necrosis | 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | | Red Pulp, Atrophy | | __________________________________________________________________________| Thymus | + M + + I + + + + + + + + + + + + + + + + + + + +| Cyst | X X X X | Depletion Cellular | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 1 1 | Subcutaneous Tissue, Edema | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 6| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| DAY ON TEST | 2| 2| 5| 1| 7| 2| 5| 2| 2| 2| 2| 5| 2| 2| 2| 2| 5| 2| 2| 0| 2| 2| 2| 2| 5| | 9| 7| 7| 8| 7| 9| 8| 9| 9| 9| 9| 8| 9| 9| 9| 9| 8| 9| 9| 8| 9| 9| 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| 0% | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Sarcolemmal Nuclei, Hyperplasia | | Sarcoplasm, Atrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Thalamus, Mineralization | 2 3 2 2 2 3 2 1 2 3 3 2 2 3 2 1 2 1 3 1 2 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 4 1 2 | Infiltration Cellular, Histiocyte | 4 2 2 | Thrombosis | | Alveolar Epithelium, Hyperplasia | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Exudate | X X X X | Glands, Hyperplasia, Cystic | 2 2 1 2 1 1 1 | Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 | Mucosa, Degeneration | 2 1 1 1 1 1 1 1 1 1 1 1 1 | Mucosa, Metaplasia, Squamous | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 3 1 1 1 1 | Cyst | X X X X X X X X X X | Glomerulosclerosis | 2 | Hyperplasia, Lymphoid | 1 1 2 1 2 1 1 1 2 3 | Inflammation, Suppurative | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1| Renal Tubule, Atrophy | 3 1 2 | Renal Tubule, Dilatation | 1 | Renal Tubule, Hyperplasia | 1 2 | Renal Tubule, Regeneration | 1 1 1 3 1 1 1 2 2 2 1 1 2 3 2 2 2 2 1 2 2 1 2 | Transitional Epithelium, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | Inflammation, Chronic | | Inflammation, Suppurative | | Mucosa, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 5| 7| 7| 7| 7| | | DAY ON TEST | 2| 2| 2| 2| 5| 0| 2| 2| 2| 2| | | | 9| 9| 9| 9| 8| 8| 9| 9| 9| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 57 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 57 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | M + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | X | 2 | Clear Cell Focus | X X | 7 | Hyperplasia, Focal | | 2 2.5| Hyperplasia, Lymphoid | | 1 1.0| Inflammation, Subacute | | 1 1.0| Mixed Cell Focus | X | 3 | Nuclear Alteration | | 1 2.0| Centrilobular, Necrosis | | 1 4.0| Hepatocyte, Cytomegaly | | 2 2.0| Hepatocyte, Vacuolization Cytoplasmic| 3 | 4 2.3| Kupffer Cell, Hyperplasia | 2 | 3 2.3| Lobules, Necrosis | 2 | 4 3.3| __________________________________________________________________________|____________| Mesentery | + | 3 | Fat, Necrosis | | 2 3.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 2 1.0| Focal Cellular Change | | 3 | Acinar Cell, Cytoplasmic Alteration | | 3 3.0| __________________________________________________________________________|____________| Pharynx | | 1 | Ulcer | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 1 | 8 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Inflammation, Subacute | 3 | 3 2.7| Mucosa, Hyperplasia | 3 | 5 2.6| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | | 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 71 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 5| 7| 7| 7| 7| | | DAY ON TEST | 2| 2| 2| 2| 5| 0| 2| 2| 2| 2| | | | 9| 9| 9| 9| 8| 8| 9| 9| 9| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Erosion | | 3 1.7| __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Tooth | + + | 3 | Dysplasia | 2 2 | 3 2.7| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | | 9 | Angiectasis | 3 | 1 3.0| Cyst | | 1 | Hyperplasia, Focal | 1 | 7 1.6| Hypertrophy, Focal | 3 1 2 2 2 | 29 1.7| Vacuolization Cytoplasmic, Focal | 2 | 5 1.6| Capsule, Hyperplasia | 3 2 2 | 11 2.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 2 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Cyst | X | 1 | Hyperplasia | 3 1 2 3 | 11 2.2| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 52 | Cyst | | 1 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 58 | Pars Distalis, Cyst | X X | 4 | Pars Distalis, Hyperplasia | | 2 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | | 5 1.0| Follicle, Cyst | X X | 6 | Follicular Cell, Hyperplasia | 1 1 | 6 1.7| _____________________________________________________________________________________________________________________| | 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 72 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 5| 7| 7| 7| 7| | | DAY ON TEST | 2| 2| 2| 2| 5| 0| 2| 2| 2| 2| | | | 9| 9| 9| 9| 8| 8| 9| 9| 9| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | Atypia Cellular | | 1 | Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + | 38 | Atrophy | | 1 3.0| Ectasia | 4 2 4 4 3 | 33 3.4| Inflammation, Chronic | 2 4 2 3 | 18 2.3| Inflammation, Suppurative | 3 | 3 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 60 | Fibrosis | | 1 2.0| Hemorrhage | | 1 2.0| Inflammation, Chronic | | 1 2.0| Inflammation, Suppurative | | 1 2.0| Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | Seminiferous Tubule, Atrophy | | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 2 2 2 | 8 2.3| Necrosis | 2 | 1 2.0| Pigmentation, Hemosiderin | 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | Inguinal, Hyperplasia, Lymphoid | | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 58 | Depletion Cellular | | 1 2.0| Hyperplasia, Lymphoid | 2 | 1 2.0| Hyperplasia, Plasma Cell | | 3 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 58 | Depletion Cellular | | 1 2.0| Hematopoietic Cell Proliferation | 1 | 3 2.0| Hemorrhage | 2 2 | 18 1.9| Hyperplasia, Lymphoid | 2 | 4 2.5| Hyperplasia, Plasma Cell | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 3 2 2 3 | 13 2.5| Hyperplasia, Reticulum 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 73 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 5| 7| 7| 7| 7| | | DAY ON TEST | 2| 2| 2| 2| 5| 0| 2| 2| 2| 2| | | | 9| 9| 9| 9| 8| 8| 9| 9| 9| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Necrosis | | 1 2.0| Lymphoid Follicle, Atrophy | | 1 3.0| Lymphoid Follicle, Hyperplasia | 4 | 1 4.0| Red Pulp, Atrophy | | 1 2.0| __________________________________________________________________________|____________| Thymus | M + M + + + + + + + | 52 | Cyst | X | 12 | Depletion Cellular | | 4 2.8| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Acanthosis | | 2 1.0| Subcutaneous Tissue, Edema | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Sarcolemmal Nuclei, Hyperplasia | | 1 2.0| Sarcoplasm, Atrophy | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Thalamus, Mineralization | 3 2 2 1 3 1 3 1 | 46 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 | 5 1.8| Infiltration Cellular, Histiocyte | 3 | 7 3.1| Thrombosis | | 1 | Alveolar Epithelium, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Cyst | | 1 | Exudate | | 8 | Glands, Hyperplasia, Cystic | 1 1 3 1 | 24 1.6| Mucosa, Atrophy | 1 1 1 1 1 1 1 | 30 1.0| Mucosa, Degeneration | 1 1 1 1 1 1 | 36 1.0| Mucosa, Metaplasia, Squamous | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES 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 74 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 5| 7| 7| 7| 7| | | DAY ON TEST | 2| 2| 2| 2| 5| 0| 2| 2| 2| 2| | | | 9| 9| 9| 9| 8| 8| 9| 9| 9| 9| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0% | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Casts Protein | 2 | 10 1.4| Cyst | X X X X | 21 | Glomerulosclerosis | | 1 2.0| Hyperplasia, Lymphoid | 1 1 1 | 18 1.4| Inflammation, Suppurative | | 2 2.0| Mineralization | 1 1 1 1 1 1 1 | 29 1.1| Renal Tubule, Atrophy | | 6 1.8| Renal Tubule, Dilatation | | 2 1.5| Renal Tubule, Hyperplasia | | 2 1.5| Renal Tubule, Regeneration | 2 2 1 1 1 3 2 1 1 2 | 57 1.6| Transitional Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 | 2 1.0| Inflammation, Chronic | | 1 3.0| Inflammation, Suppurative | | 2 3.0| Mucosa, 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 75 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| DAY ON TEST | 5| 3| 3| 3| 6| 3| 5| 3| 3| 3| 3| 5| 2| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| | 6| 2| 2| 2| 2| 2| 6| 3| 3| 3| 3| 7| 4| 3| 3| 3| 3| 3| 2| 7| 2| 3| 3| 7| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .033% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | M + + + + + M + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | | Mucosa, Hyperplasia | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | M + + + + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + M + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | | Hematopoietic Cell Proliferation | | Hyperplasia, Focal | | Hyperplasia, Lymphoid | | Inflammation, Subacute | 1 | Mixed Cell Focus | X X | Nuclear Alteration | | Thrombosis | X | Centrilobular, Necrosis | 3 | Hepatocyte, Vacuolization Cytoplasmic| | Kupffer Cell, Hyperplasia | 3 | Lobules, Necrosis | | __________________________________________________________________________| Mesentery | + | Inflammation, Suppurative | | Fat, Hemorrhage | | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Cyst | | Focal Cellular Change | X | Acinar Cell, Cytoplasmic Alteration | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 1 | Inflammation, Subacute | 3| Mucosa, Hyperplasia | 3| _____________________________________________________________________________________________________________________| Page 76 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| DAY ON TEST | 5| 3| 3| 3| 6| 3| 5| 3| 3| 3| 3| 5| 2| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| | 6| 2| 2| 2| 2| 2| 6| 3| 3| 3| 3| 7| 4| 3| 3| 3| 3| 3| 2| 7| 2| 3| 3| 7| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .033% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X X | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Tooth | + + | Dysplasia | 2 2 | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | | Inflammation, Chronic Active | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Mineralization | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X X X| Angiectasis | 2 | Hyperplasia, Focal | 1 1 3 1 2 | Hypertrophy, Focal | 1 2 2 2 2 2 1 1| Vacuolization Cytoplasmic, Focal | 1 2 | Capsule, Hyperplasia | 2 2 2 3 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 2 2 2 2 1 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Coagulating Gland | + | Dilatation | 4 | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | | _____________________________________________________________________________________________________________________| Page 77 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| DAY ON TEST | 5| 3| 3| 3| 6| 3| 5| 3| 3| 3| 3| 5| 2| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| | 6| 2| 2| 2| 2| 2| 6| 3| 3| 3| 3| 7| 4| 3| 3| 3| 3| 3| 2| 7| 2| 3| 3| 7| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .033% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Inflammation, Chronic | 4 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + +| Ectasia | 3 3 3 3 3 4 4 3 3 3 3 2 3 4 3 4| Inflammation, Chronic | 2 3 2 2 2 4 2 3 2 3 4 2 3 2| Inflammation, Suppurative | 3 4 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic | 1 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Dilatation | 3 | Inflammation, Chronic | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 3 2 | Pigmentation, Hemosiderin | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Inguinal, Hyperplasia, Lymphoid | | Mediastinal, Hyperplasia, Plasma Cell| | __________________________________________________________________________| Lymph Node, Mandibular | M + + I + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + M + + + + + + + + + + + +| Ectasia | 2 | Hematopoietic Cell Proliferation | 1 2 | Hemorrhage | 2 3 2 2 2 1 2 1 2 | Hyperplasia, Lymphoid | 4 3 | Hyperplasia, Plasma Cell | 2 | Pigmentation | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 3 3 2 | Lymphoid Follicle, Atrophy | 2 | Lymphoid Follicle, Hyperplasia | | __________________________________________________________________________| Thymus | + + + + + + + M + + + + + M + + + + + + + + + + +| Cyst | X X X | Depletion Cellular | 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| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Granuloma | | _____________________________________________________________________________________________________________________| Page 78 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| DAY ON TEST | 5| 3| 3| 3| 6| 3| 5| 3| 3| 3| 3| 5| 2| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| | 6| 2| 2| 2| 2| 2| 6| 3| 3| 3| 3| 7| 4| 3| 3| 3| 3| 3| 2| 7| 2| 3| 3| 7| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .033% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Hemorrhage | 3 | Subcutaneous Tissue, Edema | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Sarcolemmal Nuclei, Hyperplasia | | Sarcoplasm, Atrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Tissue | | Thalamus, Mineralization | 2 2 2 2 1 3 2 2 2 2 3 3 3 3 1 1 3 3 2 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hemorrhage | 1 | Hyperplasia, Lymphoid | | Infiltration Cellular, Histiocyte | 2 3 2 2| Inflammation, Suppurative | | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X| Glands, Hyperplasia, Cystic | 1 2 1 1 2 2 2 1 1 1 1 1 1 2 1 2 1 2| Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Degeneration | 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 1 1 1 2 1 | Cyst | X X X X X X X X X X X| Glomerulosclerosis | 1 1 | Hyperplasia, Lymphoid | 1 1 1 1 1 2 1 1 1 | Mineralization | 1 1 1 1 1 1 1 2 1 2 1 1 1 2 1 1 2 1 1 1 1 1| Renal Tubule, Atrophy | 2 | Renal Tubule, Dilatation | 1 | Renal Tubule, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| Page 79 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| DAY ON TEST | 5| 3| 3| 3| 6| 3| 5| 3| 3| 3| 3| 5| 2| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| | 6| 2| 2| 2| 2| 2| 6| 3| 3| 3| 3| 7| 4| 3| 3| 3| 3| 3| 2| 7| 2| 3| 3| 7| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .033% | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Renal Tubule, Regeneration | 1 2 2 1 1 1 1 2 1 1 1 2 1 2 2 1 1 1 1| Transitional Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| Page 80 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 2| 5| 3| 3| 3| 3| 5| 3| | 3| 3| 3| 3| 3| 3| 8| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 2| 8| 3| 3| 3| 3| 8| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .033% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | 1 | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | M + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | X X X | Hematopoietic Cell Proliferation | | Hyperplasia, Focal | 1 3 | Hyperplasia, Lymphoid | | Inflammation, Subacute | 1 | Mixed Cell Focus | | Nuclear Alteration | | Thrombosis | | Centrilobular, Necrosis | | Hepatocyte, Vacuolization Cytoplasmic| 1 | Kupffer Cell, Hyperplasia | | Lobules, Necrosis | | __________________________________________________________________________| Mesentery | + + | Inflammation, Suppurative | 3 | Fat, Hemorrhage | 2 | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Cyst | X | Focal Cellular Change | X | Acinar Cell, Cytoplasmic Alteration | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 1 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 2 | Inflammation, Subacute | | Mucosa, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 81 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 2| 5| 3| 3| 3| 3| 5| 3| | 3| 3| 3| 3| 3| 3| 8| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 2| 8| 3| 3| 3| 3| 8| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .033% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | __________________________________________________________________________| Tooth | + + | Dysplasia | 2 | Inflammation, Chronic | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Myocardium, Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X| Angiectasis | | Hyperplasia, Focal | 1 1 1 1 2 1 1 | Hypertrophy, Focal | 2 1 1 1 1 2 1 1 2 | Vacuolization Cytoplasmic, Focal | 1 1| Capsule, Hyperplasia | 1 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 1 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| Cyst | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 1 1 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 2 2 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Coagulating Gland | | Dilatation | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | | _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 2| 5| 3| 3| 3| 3| 5| 3| | 3| 3| 3| 3| 3| 3| 8| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 2| 8| 3| 3| 3| 3| 8| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .033% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Inflammation, Chronic | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + | Ectasia | 2 4 3 4 3 3 3 4 3 3 3 3 2 3 3 4 | Inflammation, Chronic | 2 2 2 2 3 2 2 | Inflammation, Suppurative | 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Cellular | | Dilatation | | Inflammation, Chronic | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 3 | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Inguinal, Hyperplasia, Lymphoid | | Mediastinal, Hyperplasia, Plasma Cell| 3 3 | __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Hematopoietic Cell Proliferation | 1 1 | Hemorrhage | 2 2 1 1 1 2 2 1 1 1 1 1 | Hyperplasia, Lymphoid | 2 3 | Hyperplasia, Plasma Cell | | Pigmentation | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 2 2 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | 2 | __________________________________________________________________________| Thymus | + I + + + + + + + + + + + + + + + + + + + + + + M| Cyst | X X X X X X | Depletion Cellular | 2 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 M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 1 | Granuloma | 3 | _____________________________________________________________________________________________________________________| Page 83 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 2| 5| 3| 3| 3| 3| 5| 3| | 3| 3| 3| 3| 3| 3| 8| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 2| 8| 3| 3| 3| 3| 8| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .033% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Hemorrhage | | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Sarcolemmal Nuclei, Hyperplasia | 2 | Sarcoplasm, Atrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Tissue | X | Thalamus, Mineralization | 1 2 3 3 2 2 1 1 2 1 2 1 2 2 2 2 3 3| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Hemorrhage | | Hyperplasia, Lymphoid | 2 | Infiltration Cellular, Histiocyte | 4 4 | Inflammation, Suppurative | 2 | Alveolar Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X| Glands, Hyperplasia, Cystic | 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1| Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Degeneration | 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1| Mucosa, Pigmentation | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 3 1 1 3 1 1 | Cyst | X X X | Glomerulosclerosis | 1 1 | Hyperplasia, Lymphoid | 2 1 2 1 1 1 1 1| Mineralization | 1 1 2 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1| Renal Tubule, Atrophy | | Renal Tubule, Dilatation | | Renal Tubule, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 84 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 5| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 2| 5| 3| 3| 3| 3| 5| 3| | 3| 3| 3| 3| 3| 3| 8| 3| 1| 3| 3| 3| 3| 3| 8| 3| 3| 2| 8| 3| 3| 3| 3| 8| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .033% | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Renal Tubule, Regeneration | 1 1 1 2 3 1 1 1 1 3 1 1 2 1 1 1 2 1 1 1 1 1| Transitional Epithelium, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | Hyperplasia, Lymphoid | 1 1 | _____________________________________________________________________________________________________________________| Page 85 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 4| 5| 7| 7| 5| 6| 7| 7| 7| | | DAY ON TEST | 3| 5| 8| 3| 3| 0| 0| 3| 3| 3| | | | 3| 8| 9| 3| 3| 8| 5| 3| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .033% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 57 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 60 | Inflammation, Subacute | | 1 1.0| Mucosa, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 59 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + + + + + + + | 59 | Hyperplasia, Lymphoid | 3 | 2 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | | 2 | Clear Cell Focus | X | 4 | Hematopoietic Cell Proliferation | 2 2 | 2 2.0| Hyperplasia, Focal | 3 | 3 2.3| Hyperplasia, Lymphoid | 2 | 1 2.0| Inflammation, Subacute | 3 | 3 1.7| Mixed Cell Focus | | 2 | Nuclear Alteration | 3 | 1 3.0| Thrombosis | | 1 | Centrilobular, Necrosis | 4 | 2 3.5| Hepatocyte, Vacuolization Cytoplasmic| | 1 1.0| Kupffer Cell, Hyperplasia | 2 | 2 2.5| Lobules, Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Mesentery | | 3 | Inflammation, Suppurative | | 1 3.0| Fat, Hemorrhage | | 1 2.0| Fat, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 2 2.5| Cyst | | 1 | Focal Cellular Change | | 2 | Acinar Cell, Cytoplasmic Alteration | 3 | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | | 4 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 86 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 4| 5| 7| 7| 5| 6| 7| 7| 7| | | DAY ON TEST | 3| 5| 8| 3| 3| 0| 0| 3| 3| 3| | | | 3| 8| 9| 3| 3| 8| 5| 3| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .033% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Diverticulum | 2 | 3 1.7| Inflammation, Subacute | 2 2 | 3 2.3| Mucosa, Hyperplasia | 2 1 | 4 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | X | 6 | __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Tooth | | 4 | Dysplasia | | 3 2.0| Inflammation, Chronic | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Myocardium, Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X | 10 | Angiectasis | | 1 2.0| Hyperplasia, Focal | 1 | 13 1.3| Hypertrophy, Focal | 2 1 1 1 1 | 22 1.4| Vacuolization Cytoplasmic, Focal | | 4 1.3| Capsule, Hyperplasia | 2 | 8 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Hyperplasia | 2 2 | 13 1.8| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M | 58 | Cyst | | 2 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 59 | Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 1 | 4 1.5| Follicle, Cyst | | 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 87 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 4| 5| 7| 7| 5| 6| 7| 7| 7| | | DAY ON TEST | 3| 5| 8| 3| 3| 0| 0| 3| 3| 3| | | | 3| 8| 9| 3| 3| 8| 5| 3| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .033% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Follicular Cell, Hyperplasia | 1 | 8 1.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Coagulating Gland | | 1 | Dilatation | | 1 4.0| __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | Atypia Cellular | X | 1 | Inflammation, Chronic | | 1 4.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + | 42 | Ectasia | 3 3 4 2 3 3 4 3 | 40 3.2| Inflammation, Chronic | 2 2 2 2 | 25 2.4| Inflammation, Suppurative | | 4 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 60 | Hemorrhage | 2 | 1 2.0| Inflammation, Chronic | 2 | 4 1.3| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Depletion Cellular | 3 | 1 3.0| Dilatation | | 1 3.0| Inflammation, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 2 2 | 6 2.3| Pigmentation, Hemosiderin | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | Inguinal, Hyperplasia, Lymphoid | 2 | 1 2.0| Mediastinal, Hyperplasia, Plasma Cell| | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 56 | Hyperplasia, Lymphoid | 2 | 3 2.7| Hyperplasia, Plasma Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 59 | Ectasia | | 1 2.0| Hematopoietic Cell Proliferation | 1 | 5 1.2| Hemorrhage | 1 2 1 | 24 1.5| Hyperplasia, Lymphoid | 3 | 5 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 88 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 4| 5| 7| 7| 5| 6| 7| 7| 7| | | DAY ON TEST | 3| 5| 8| 3| 3| 0| 0| 3| 3| 3| | | | 3| 8| 9| 3| 3| 8| 5| 3| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .033% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hyperplasia, Plasma Cell | | 1 2.0| Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 3 2 3 | 14 2.4| Lymphoid Follicle, Atrophy | | 1 2.0| Lymphoid Follicle, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + + + + + | 55 | Cyst | X X X | 12 | Depletion Cellular | | 4 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Acanthosis | | 1 1.0| Granuloma | | 1 3.0| Hemorrhage | | 1 3.0| Subcutaneous Tissue, Edema | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Inflammation, Chronic | 1 | 1 1.0| Sarcolemmal Nuclei, Hyperplasia | 2 | 2 2.0| Sarcoplasm, Atrophy | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Ectopic Tissue | | 1 | Thalamus, Mineralization | 2 2 3 2 2 2 2 2 2 2 | 48 2.1| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Angiectasis | | 1 3.0| Hemorrhage | 1 | 2 1.0| Hyperplasia, Lymphoid | 1 | 2 1.5| Infiltration Cellular, Histiocyte | 1 1 | 8 2.4| Inflammation, Suppurative | | 1 2.0| Alveolar Epithelium, Hyperplasia | 3 | 3 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 89 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 4| 5| 7| 7| 5| 6| 7| 7| 7| | | DAY ON TEST | 3| 5| 8| 3| 3| 0| 0| 3| 3| 3| | | | 3| 8| 9| 3| 3| 8| 5| 3| 3| 3| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .033% | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Exudate | X | 18 | Glands, Hyperplasia, Cystic | 2 1 1 1 1 1 1 1 1 | 46 1.2| Mucosa, Atrophy | 1 1 1 1 1 1 1 1 1 1 | 57 1.0| Mucosa, Degeneration | 1 1 1 1 1 1 1 1 1 1 | 55 1.1| Mucosa, Pigmentation | 1 1 1 1 1 1 1 1 1 1 | 52 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Casts Protein | 1 1 1 | 16 1.3| Cyst | X X | 16 | Glomerulosclerosis | | 4 1.0| Hyperplasia, Lymphoid | | 17 1.2| Mineralization | 2 2 1 1 1 1 1 | 48 1.2| Renal Tubule, Atrophy | 1 1 | 3 1.3| Renal Tubule, Dilatation | | 1 1.0| Renal Tubule, Hyperplasia | | 1 1.0| Renal Tubule, Regeneration | 2 1 1 1 2 1 1 1 2 1 | 51 1.3| Transitional Epithelium, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Dilatation | 3 | 1 3.0| Hyperplasia, Lymphoid | | 2 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 90 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 2| 2| 3| 5| 3| 3| 7| 3| 3| 2| 0| 5| 3| 3| 3| | 1| 1| 6| 1| 1| 1| 1| 1| 6| 1| 0| 0| 1| 7| 1| 1| 1| 1| 1| 6| 8| 7| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | X | Hematopoietic Cell Proliferation | | Hyperplasia, Focal | 1 | Inflammation, Subacute | 1 | Mixed Cell Focus | X | Centrilobular, Necrosis | 1 | Hepatocyte, Cytomegaly | | Hepatocyte, Vacuolization Cytoplasmic| | Kupffer Cell, Hyperplasia | 2 2 | Kupffer Cell, Pigmentation | 2 | Lobules, Necrosis | 1 1 | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 2 | Focal Cellular Change | | Hyperplasia, Lymphoid | 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | | Mucosa, Hyperplasia | 1| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | Dysplasia | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | _____________________________________________________________________________________________________________________| Page 91 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 2| 2| 3| 5| 3| 3| 7| 3| 3| 2| 0| 5| 3| 3| 3| | 1| 1| 6| 1| 1| 1| 1| 1| 6| 1| 0| 0| 1| 7| 1| 1| 1| 1| 1| 6| 8| 7| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Inflammation, Chronic Active | 1 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X | Hyperplasia, Diffuse | | Hyperplasia, Focal | 1 1 2 1 | Hypertrophy, Focal | 1 1 2 1 1 2 1 2 1 2 1| Vacuolization Cytoplasmic, Focal | 2 1 | Capsule, Hyperplasia | 2 2 3 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + M + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 2| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + M + M + + + + +| Cyst | | Ectopic Thymus | X | __________________________________________________________________________| Pituitary Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 1 2 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 2 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | | Hypospermia | | Inflammation, Chronic | 2 | Spermatocele | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + | Ectasia | 4 2 4 4 3 4 4 4 2 3 3 3 | Inflammation, Chronic | 2 1 2 2 2 2 2 | Inflammation, Suppurative | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hemorrhage | 3 | _____________________________________________________________________________________________________________________| Page 92 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 2| 2| 3| 5| 3| 3| 7| 3| 3| 2| 0| 5| 3| 3| 3| | 1| 1| 6| 1| 1| 1| 1| 1| 6| 1| 0| 0| 1| 7| 1| 1| 1| 1| 1| 6| 8| 7| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Seminiferous Tubule, Atrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 2 | Pigmentation | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | Hematopoietic Cell Proliferation | 1 | Hemorrhage | 1 2 3 2 1 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 | Necrosis | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 3 3 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | | Red Pulp, Atrophy | 2 | Red Pulp, Hyperplasia | 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + M + M + + + + + + + +| Cyst | X X X X X X X| Depletion Cellular | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 3 | __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Sarcolemmal Nuclei, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 93 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 2| 2| 3| 5| 3| 3| 7| 3| 3| 2| 0| 5| 3| 3| 3| | 1| 1| 6| 1| 1| 1| 1| 1| 6| 1| 0| 0| 1| 7| 1| 1| 1| 1| 1| 6| 8| 7| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Compression | X | Hydrocephalus | 3 | Vacuolization Cytoplasmic | 3 | Glial Cell, Proliferation | 3 | Thalamus, Mineralization | 2 3 1 2 2 3 2 3 2 1 3 2 2 3 2 2 2 2 1 2 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 | Infiltration Cellular, Histiocyte | 1 2 | Alveolar Epithelium, Hyperplasia | 3 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X X X X X X| Glands, Hyperplasia, Cystic | 1 1 1 2 1 1 1 1 2 1 2 1 2 1 2 2 1 2 2 1| Mucosa, Atrophy | 2 2 1 1 2 2 2 3 1 2 2 2 2 2 2 1 2 2 2 2 1 2 2 2 2| Mucosa, Degeneration | 2 2 2 1 2 2 2 3 1 2 3 2 2 2 2 1 3 2 2 2 1 2 2 2 2| Mucosa, Pigmentation | 2 1 2 1 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Eye | + | Inflammation, Chronic | 3 | Cornea, Hyperplasia | 3 | __________________________________________________________________________| Harderian Gland | + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 1 1 | Cyst | X X X X X| Glomerulosclerosis | | Hyperplasia, Lymphoid | 1 3 1 1 1| Mineralization | 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 2 1 1| Renal Tubule, Atrophy | 1 1 1 | Renal Tubule, Dilatation | | Renal Tubule, Regeneration | 1 1 1 2 2 2 1 1 2 1 2 1 2 2 1 2 2 1 1 2 2 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 | _____________________________________________________________________________________________________________________| Page 94 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 6| 7| 4| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 5| 2| 3| 1| 3| 5| 3| 1| 5| 3| 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| | 1| 7| 4| 1| 8| 1| 7| 1| 8| 7| 1| 1| 1| 8| 1| 1| 1| 1| 1| 8| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | X X X X | Hematopoietic Cell Proliferation | 4 | Hyperplasia, Focal | | Inflammation, Subacute | 1 | Mixed Cell Focus | | Centrilobular, Necrosis | | Hepatocyte, Cytomegaly | 2 | Hepatocyte, Vacuolization Cytoplasmic| 2 2 | Kupffer Cell, Hyperplasia | | Kupffer Cell, Pigmentation | | Lobules, Necrosis | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Focal Cellular Change | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 1 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Subacute | 2 | Mucosa, Hyperplasia | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X| __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | | Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | _____________________________________________________________________________________________________________________| Page 95 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 6| 7| 4| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 5| 2| 3| 1| 3| 5| 3| 1| 5| 3| 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| | 1| 7| 4| 1| 8| 1| 7| 1| 8| 7| 1| 1| 1| 8| 1| 1| 1| 1| 1| 8| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X X | Hyperplasia, Diffuse | | Hyperplasia, Focal | 1 1 1 | Hypertrophy, Focal | 2 1 1 1 1 1 2| Vacuolization Cytoplasmic, Focal | | Capsule, Hyperplasia | 2 2 3 1 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 3 2 2 2 | __________________________________________________________________________| Parathyroid Gland | + + M + + + + + + + + + + + + + + + + + + M + + +| Cyst | X | Ectopic Thymus | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 | Follicle, Cyst | X X | Follicular Cell, Hyperplasia | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | X X | Hypospermia | | Inflammation, Chronic | | Spermatocele | X | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + +| Ectasia | 3 3 4 3 4 3 3 3 4 3 3 4 3 3 3| Inflammation, Chronic | 2 2 2 2 2 2 2 2 3 2| Inflammation, Suppurative | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Hemorrhage | | _____________________________________________________________________________________________________________________| Page 96 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 6| 7| 4| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 5| 2| 3| 1| 3| 5| 3| 1| 5| 3| 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| | 1| 7| 4| 1| 8| 1| 7| 1| 8| 7| 1| 1| 1| 8| 1| 1| 1| 1| 1| 8| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Seminiferous Tubule, Atrophy | 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 2 2 | Pigmentation, Hemosiderin | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 3 | Pigmentation | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hematopoietic Cell Proliferation | 2 1 2 1 2| Hemorrhage | 1 2 2 3 2 2 3 2 1| Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | | Necrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 2 3 1| Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | | Red Pulp, Atrophy | | Red Pulp, Hyperplasia | | __________________________________________________________________________| Thymus | + + + + + + + M + + + + + + + + + + + + + + + + +| Cyst | X X X X X | Depletion Cellular | 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 M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Subcutaneous Tissue, Edema | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Sarcolemmal Nuclei, Hyperplasia | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 97 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 6| 7| 4| 7| 6| 4| 7| 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| DAY ON TEST | 3| 5| 2| 3| 1| 3| 5| 3| 1| 5| 3| 3| 3| 5| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| | 1| 7| 4| 1| 8| 1| 7| 1| 8| 7| 1| 1| 1| 8| 1| 1| 1| 1| 1| 8| 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 MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| .1% | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Compression | | Hydrocephalus | | Vacuolization Cytoplasmic | | Glial Cell, Proliferation | | Thalamus, Mineralization | 3 2 3 2 2 2 2 1 2 2 3 2 2 3 2 2 2 2 2 2 3 2 2 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Infiltration Cellular, Histiocyte | 1 1 1 1 2 4| Alveolar Epithelium, Hyperplasia | 1 2 1 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | X X X X X X X X X X X X X X X| Glands, Hyperplasia, Cystic | 1 1 1 2 1 3 1 1 1 2 1 1 1 1 2 1 1 1 1| Mucosa, Atrophy | 2 2 2 3 2 2 3 2 2 2 3 3 3 2 2 2 2 2 2 1 1 2 2 2 2| Mucosa, Degeneration | 2 2 2 3 2 2 3 2 2 2 3 3 3 2 2 2 2 2 2 1 1 2 2 2 2| Mucosa, Pigmentation | 1 1 1 1 2 1 2 1 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + | Inflammation, Chronic | 3 | Cornea, Hyperplasia | 3 | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 1 2 1 1 1| Cyst | X X X X X X | Glomerulosclerosis | 1 | Hyperplasia, Lymphoid | 1 1 2 1 1 1 1 1 | Mineralization | 1 1 1 1 1 2 1 1 2 1 1 1 2 2 1 1 1 | Renal Tubule, Atrophy | | Renal Tubule, Dilatation | 1| Renal Tubule, Regeneration | 2 1 2 1 1 2 1 1 3 1 1 1 2 2 1 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 | _____________________________________________________________________________________________________________________| Page 98 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 1| 3| 3| 3| 5| 3| 3| 3| 3| | | | 1| 1| 1| 1| 1| 8| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .1% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + M + + + + | 59 | __________________________________________________________________________|____________| Gallbladder | + + + + + + M + + + | 58 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Clear Cell Focus | | 5 | Hematopoietic Cell Proliferation | | 1 4.0| Hyperplasia, Focal | | 1 1.0| Inflammation, Subacute | | 2 1.0| Mixed Cell Focus | X | 2 | Centrilobular, Necrosis | | 1 1.0| Hepatocyte, Cytomegaly | | 1 2.0| Hepatocyte, Vacuolization Cytoplasmic| | 2 2.0| Kupffer Cell, Hyperplasia | | 2 2.0| Kupffer Cell, Pigmentation | | 1 2.0| Lobules, Necrosis | | 2 1.0| __________________________________________________________________________|____________| Mesentery | | 2 | Fat, Necrosis | | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 2 1.5| Focal Cellular Change | X | 1 | Hyperplasia, Lymphoid | | 1 1.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | 1 1 | 5 1.2| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Inflammation, Subacute | 2 2 | 3 2.0| Mucosa, Hyperplasia | 2 3 3 | 5 2.4| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | | 2 | __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : 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 99 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 1| 3| 3| 3| 5| 3| 3| 3| 3| | | | 1| 1| 1| 1| 1| 8| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .1% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Tooth | | 1 | Dysplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 2 | Inflammation, Chronic Active | | 2 1.5| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X | 8 | Hyperplasia, Diffuse | 2 | 1 2.0| Hyperplasia, Focal | 1 | 8 1.1| Hypertrophy, Focal | 1 1 1 1 1 | 23 1.3| Vacuolization Cytoplasmic, Focal | | 2 1.5| Capsule, Hyperplasia | | 9 2.2| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 59 | Hyperplasia | | 11 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + | 55 | Cyst | X | 2 | Ectopic Thymus | | 1 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + M + + | 58 | Pars Distalis, Cyst | | 3 | Pars Distalis, Hyperplasia | | 2 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 1 | 8 1.3| Follicle, Cyst | | 3 | Follicular Cell, Hyperplasia | | 7 1.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | Atypia Cellular | | 2 | Hypospermia | 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 100 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 1| 3| 3| 3| 5| 3| 3| 3| 3| | | | 1| 1| 1| 1| 1| 8| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .1% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic | | 1 2.0| Spermatocele | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + | 35 | Ectasia | 4 4 3 4 4 | 32 3.4| Inflammation, Chronic | 2 | 18 2.0| Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Fibrosis | | 1 2.0| Hemorrhage | | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | Angiectasis | | 1 3.0| Seminiferous Tubule, Atrophy | 2 | 3 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | | 3 2.0| Pigmentation, Hemosiderin | 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | | 4 2.5| Pigmentation | 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 60 | Ectasia | | 1 2.0| Hematopoietic Cell Proliferation | 1 2 | 8 1.5| Hemorrhage | 3 3 1 2 3 | 19 2.1| Hyperplasia, Lymphoid | 2 | 1 2.0| Hyperplasia, Plasma Cell | | 1 3.0| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | | 9 2.4| Lymphoid Follicle, Atrophy | 2 | 1 2.0| Lymphoid Follicle, Hyperplasia | 2 | 1 2.0| Red Pulp, Atrophy | | 1 2.0| Red Pulp, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 57 | Cyst | X X X | 15 | Depletion Cellular | 2 | 4 2.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 101 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 1| 3| 3| 3| 5| 3| 3| 3| 3| | | | 1| 1| 1| 1| 1| 8| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .1% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Inflammation, Chronic | 1 | 2 1.0| Subcutaneous Tissue, Edema | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Hyperostosis | 2 | 2 2.5| __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Inflammation, Chronic | 2 1 | 3 1.3| Sarcolemmal Nuclei, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Compression | | 1 | Hydrocephalus | | 1 3.0| Vacuolization Cytoplasmic | | 1 3.0| Glial Cell, Proliferation | | 1 3.0| Thalamus, Mineralization | 2 2 2 3 2 2 1 2 1 | 54 2.1| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hemorrhage | | 2 1.5| Infiltration Cellular, Histiocyte | | 8 1.6| Alveolar Epithelium, Hyperplasia | | 6 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Exudate | X X X X X X X X | 39 | Glands, Hyperplasia, Cystic | 2 1 1 1 1 1 1 1 1 | 48 1.3| Mucosa, Atrophy | 3 2 2 1 2 2 1 1 2 2 | 60 2.0| Mucosa, Degeneration | 3 2 2 1 2 2 1 1 2 2 | 60 2.0| Mucosa, Pigmentation | 1 1 2 1 1 1 1 1 1 1 | 60 1.2| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Eye | + | 3 | Inflammation, Chronic | 2 | 3 2.7| Cornea, Hyperplasia | 2 | 3 2.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 102 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| | | DAY ON TEST | 3| 1| 3| 3| 3| 5| 3| 3| 3| 3| | | | 1| 1| 1| 1| 1| 8| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | .1% | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 6 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Casts Protein | 1 1 1 | 13 1.1| Cyst | X X X X X | 16 | Glomerulosclerosis | | 1 1.0| Hyperplasia, Lymphoid | 1 1 | 15 1.2| Mineralization | 1 1 1 1 1 1 | 42 1.2| Renal Tubule, Atrophy | 1 2 | 5 1.2| Renal Tubule, Dilatation | | 1 1.0| Renal Tubule, Regeneration | 1 1 2 2 1 1 1 | 47 1.4| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | | 2 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 103 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 6| 4| 7| 7| 7| 7| 5| 4| 7| 4| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 3| 5| 3| 3| 2| 8| 5| 3| 3| 3| 3| 5| 5| 3| 5| 3| 3| 5| 3| | 0| 0| 0| 0| 0| 4| 0| 6| 0| 0| 5| 3| 6| 0| 0| 0| 0| 2| 6| 1| 6| 1| 1| 6| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 2| 2| 2| 2| 2| 2| .3% | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Inflammation, Subacute | 1 | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + M + + + + + + + + + + + + +| Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X | Hematopoietic Cell Proliferation | | Inflammation, Subacute | 1 | Mixed Cell Focus | X | Bile Duct, Hyperplasia | 2 | Centrilobular, Necrosis | | Hepatocyte, Vacuolization Cytoplasmic| 3 | Kupffer Cell, Hyperplasia | 3 2 | Kupffer Cell, Pigmentation | 4 | Lobules, Necrosis | 4 1 | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Focal Cellular Change | X | Hyperplasia, Lymphoid | | Acinar Cell, Cytoplasmic Alteration | 4 | Acinar Cell, Hyperplasia, Focal | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Erosion | | Inflammation, Subacute | 2 | Mucosa, Hyperplasia | 3 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X| _____________________________________________________________________________________________________________________| Page 104 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 6| 4| 7| 7| 7| 7| 5| 4| 7| 4| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 3| 5| 3| 3| 2| 8| 5| 3| 3| 3| 3| 5| 5| 3| 5| 3| 3| 5| 3| | 0| 0| 0| 0| 0| 4| 0| 6| 0| 0| 5| 3| 6| 0| 0| 0| 0| 2| 6| 1| 6| 1| 1| 6| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 2| 2| 2| 2| 2| 2| .3% | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Degeneration, Ballooning | | __________________________________________________________________________| Tooth | | Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | | Inflammation, Chronic Active | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 | Myocardium, Hemorrhage | | Myocardium, Inflammation, Chronic | 1 | Myocardium, Mineralization | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X X | Hyperplasia, Focal | 2 1 1 2 | Hypertrophy, Focal | 1 3 3 1 2 2 1 1 1 | Vacuolization Cytoplasmic, Focal | 1 1 1 | Capsule, Hyperplasia | 3 2 2 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 2 3 | Follicle, Cyst | X X X | Follicular Cell, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | Ectasia | 4 3 2 4 4 3 2 3 3 3 3 | Inflammation, Chronic | 3 2 2 | _____________________________________________________________________________________________________________________| Page 105 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 6| 4| 7| 7| 7| 7| 5| 4| 7| 4| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 3| 5| 3| 3| 2| 8| 5| 3| 3| 3| 3| 5| 5| 3| 5| 3| 3| 5| 3| | 0| 0| 0| 0| 0| 4| 0| 6| 0| 0| 5| 3| 6| 0| 0| 0| 0| 2| 6| 1| 6| 1| 1| 6| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 2| 2| 2| 2| 2| 2| .3% | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 3 | Mineralization | 3 | Seminiferous Tubule, Atrophy | 1 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | 2 2 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | 2 | Hemorrhage | 3 1 2 1 2 3 1 2 1 2| Hyperplasia, Lymphoid | 2 2 | Pigmentation | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 2 3 | Lymphoid Follicle, Atrophy | 3 3 | Lymphoid Follicle, Hyperplasia | 2| Red Pulp, Atrophy | | __________________________________________________________________________| Thymus | + + + + + + + + M + M + I + + + + + + + + + + + +| Cyst | X X X X X| Depletion Cellular | 3 3 | Ectopic Parathyroid Gland | X | Hyperplasia, Lymphoid | | _____________________________________________________________________________________________________________________| 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 | 1 1 | Inflammation, Chronic | 1 | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Dysplasia | | __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 106 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 7| 6| 4| 7| 7| 7| 7| 5| 4| 7| 4| 7| 7| 4| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 3| 5| 3| 3| 2| 8| 5| 3| 3| 3| 3| 5| 5| 3| 5| 3| 3| 5| 3| | 0| 0| 0| 0| 0| 4| 0| 6| 0| 0| 5| 3| 6| 0| 0| 0| 0| 2| 6| 1| 6| 1| 1| 6| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 2| 2| 2| 2| 2| 2| .3% | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | Inflammation, Chronic | | Sarcolemmal Nuclei, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | | Thalamus, Mineralization | 1 1 2 1 2 2 2 3 2 2 2 2 3 2 2 3 1 2 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | 1 | Hyperplasia, Lymphoid | | Infiltration Cellular, Histiocyte | 2 4 2| Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Developmental Malformation | X | Exudate | X X X X X X X X X X X X X X| Glands, Hyperplasia, Cystic | 3 2 2 3 3 1 1 2 2 2 2 2 1 2 1 1 2 2 1 3 1 2 2 1 2| Mucosa, Atrophy | 3 3 3 3 3 3 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3| Mucosa, Degeneration | 3 3 3 3 3 3 3 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3| Mucosa, Pigmentation | 2 2 2 2 2 2 1 2 2 2 2 1 2 1 1 3 2 2 2 1 2 2 2 2 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Inflammation, Chronic | | Cornea, Hyperplasia | | __________________________________________________________________________| Harderian Gland | + + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 1 2 1| Cyst | X X X X X | Glomerulosclerosis | | Hyperplasia, Lymphoid | 1 1 1 1 1| Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Renal Tubule, Atrophy | | Renal Tubule, Dilatation | 2 | Renal Tubule, Hyperplasia | | Renal Tubule, Pigmentation | 2 | Renal Tubule, Regeneration | 2 1 1 1 1 1 1 1 1 2 1 2 2 2 1 3 1 1 1 1 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | _____________________________________________________________________________________________________________________| Page 107 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 4| 7| 6| 7| 4| 7| 4| DAY ON TEST | 3| 3| 3| 4| 3| 5| 2| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 5| 3| 5| 3| 5| 3| 7| | 1| 1| 1| 7| 1| 6| 4| 0| 0| 0| 0| 0| 0| 1| 1| 6| 1| 1| 7| 1| 1| 1| 7| 0| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .3% | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Inflammation, Subacute | | Mucosa, Hyperplasia | | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + M + + + + + + + + + + + + + + +| Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + M + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X | Hematopoietic Cell Proliferation | | Inflammation, Subacute | | Mixed Cell Focus | X | Bile Duct, Hyperplasia | | Centrilobular, Necrosis | | Hepatocyte, Vacuolization Cytoplasmic| 2 | Kupffer Cell, Hyperplasia | 2 | Kupffer Cell, Pigmentation | | Lobules, Necrosis | 2 | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Focal Cellular Change | | Hyperplasia, Lymphoid | 1| Acinar Cell, Cytoplasmic Alteration | 3 2 3| Acinar Cell, Hyperplasia, Focal | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 1 1 1 1 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 2 | Erosion | 2 | Inflammation, Subacute | | Mucosa, Hyperplasia | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | _____________________________________________________________________________________________________________________| Page 108 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 4| 7| 6| 7| 4| 7| 4| DAY ON TEST | 3| 3| 3| 4| 3| 5| 2| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 5| 3| 5| 3| 5| 3| 7| | 1| 1| 1| 7| 1| 6| 4| 0| 0| 0| 0| 0| 0| 1| 1| 6| 1| 1| 7| 1| 1| 1| 7| 0| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .3% | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | | __________________________________________________________________________| Tongue | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Degeneration, Ballooning | | __________________________________________________________________________| Tooth | + | Dysplasia | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | | Inflammation, Chronic Active | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 | Myocardium, Hemorrhage | 1 | Myocardium, Inflammation, Chronic | 1 | Myocardium, Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X X| Hyperplasia, Focal | 1 | Hypertrophy, Focal | 1 2 1 2 1 1 1 2 1 1 1 1| Vacuolization Cytoplasmic, Focal | 1 | Capsule, Hyperplasia | 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| Pars Intermedia, Hyperplasia | 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 1 | Follicle, Cyst | X X | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Atypia Cellular | X | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | Ectasia | 4 3 3 2 3 3 3 3 4 3 | Inflammation, Chronic | 2 2 3 2 2 2 | _____________________________________________________________________________________________________________________| Page 109 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 4| 7| 6| 7| 4| 7| 4| DAY ON TEST | 3| 3| 3| 4| 3| 5| 2| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 5| 3| 5| 3| 5| 3| 7| | 1| 1| 1| 7| 1| 6| 4| 0| 0| 0| 0| 0| 0| 1| 1| 6| 1| 1| 7| 1| 1| 1| 7| 0| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .3% | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 3 | Mineralization | | Seminiferous Tubule, Atrophy | 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypercellularity | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | | Hemorrhage | 3 2 1 1 1 1 3 3 2 1 3 | Hyperplasia, Lymphoid | 2 2 | Pigmentation | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 | Lymphoid Follicle, Atrophy | | Lymphoid Follicle, Hyperplasia | 2 2 | Red Pulp, Atrophy | 3 | __________________________________________________________________________| Thymus | + + + + + + M + + + + + + + + + + + + + + + + + +| Cyst | X X X X | Depletion Cellular | 2 | Ectopic Parathyroid Gland | | Hyperplasia, Lymphoid | 2 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Inflammation, Chronic | | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Dysplasia | 2 | __________________________________________________________________________| Skeletal Muscle | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 110 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 4| 7| 6| 7| 4| 7| 4| DAY ON TEST | 3| 3| 3| 4| 3| 5| 2| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 5| 3| 5| 3| 5| 3| 7| | 1| 1| 1| 7| 1| 6| 4| 0| 0| 0| 0| 0| 0| 1| 1| 6| 1| 1| 7| 1| 1| 1| 7| 0| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| .3% | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | Inflammation, Chronic | 1 1 | Sarcolemmal Nuclei, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 2 | Thalamus, Mineralization | 1 1 2 3 2 2 2 2 2 2 3 1 1 2 3 1 2 1 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3| Hemorrhage | 1 | Hyperplasia, Lymphoid | 1 1 | Infiltration Cellular, Histiocyte | 3 | Alveolar Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Developmental Malformation | | Exudate | X X X X X X X X X X X X X X | Glands, Hyperplasia, Cystic | 3 1 2 1 2 1 2 3 2 2 2 2 2 3 1 1 2 1 2 2 1 1 1 1 2| Mucosa, Atrophy | 2 3 3 3 3 2 3 3 3 3 2 3 3 3 3 2 2 3 3 3 3 3 2 3 3| Mucosa, Degeneration | 2 3 3 3 3 3 3 3 3 3 2 3 3 3 3 2 2 3 3 3 3 3 2 3 3| Mucosa, Pigmentation | 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Inflammation, Chronic | 3 | Cornea, Hyperplasia | 3 | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Casts Protein | 2 1 1 | Cyst | X X X X X X X X X | Glomerulosclerosis | | Hyperplasia, Lymphoid | 1 2 1 2 2 | Mineralization | 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1| Renal Tubule, Atrophy | 1 | Renal Tubule, Dilatation | | Renal Tubule, Hyperplasia | 1 | Renal Tubule, Pigmentation | | Renal Tubule, Regeneration | 2 2 1 2 1 1 2 1 1 3 1 1 2 1 1 2 1 2 1 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | _____________________________________________________________________________________________________________________| Page 111 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 8| 0| | | | 0| 0| 7| 0| 0| 0| 0| 0| 4| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | .3% | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 60 | Cyst | | 1 | Inflammation, Subacute | | 1 1.0| Mucosa, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 58 | Edema | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 58 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 59 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | | 2 | Clear Cell Focus | | 2 | Hematopoietic Cell Proliferation | 3 | 1 3.0| Inflammation, Subacute | 1 1 | 3 1.0| Mixed Cell Focus | | 2 | Bile Duct, Hyperplasia | | 1 2.0| Centrilobular, Necrosis | 4 | 1 4.0| Hepatocyte, Vacuolization Cytoplasmic| | 2 2.5| Kupffer Cell, Hyperplasia | 2 | 4 2.3| Kupffer Cell, Pigmentation | 2 | 2 3.0| Lobules, Necrosis | 4 | 4 2.8| __________________________________________________________________________|____________| Mesentery | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Focal Cellular Change | | 1 | Hyperplasia, Lymphoid | | 1 1.0| Acinar Cell, Cytoplasmic Alteration | 3 | 5 3.0| Acinar Cell, Hyperplasia, Focal | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Hyperplasia, Lymphoid | | 7 1.1| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Diverticulum | 3 2 | 3 2.3| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 112 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 8| 0| | | | 0| 0| 7| 0| 0| 0| 0| 0| 4| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | .3% | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Erosion | | 1 2.0| Inflammation, Subacute | | 1 2.0| Mucosa, Hyperplasia | | 3 2.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Cyst | X X X | 6 | Ulcer | 3 | 1 3.0| __________________________________________________________________________|____________| Tongue | + + + + + + + + + + | 60 | Epithelium, Degeneration, Ballooning | 2 | 1 2.0| __________________________________________________________________________|____________| Tooth | + | 2 | Dysplasia | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + | 1 | Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | | 2 1.5| Myocardium, Hemorrhage | | 1 1.0| Myocardium, Inflammation, Chronic | | 2 1.0| Myocardium, Mineralization | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | X X X | 8 | Hyperplasia, Focal | 3 1 | 7 1.6| Hypertrophy, Focal | 1 2 1 1 2 | 26 1.4| Vacuolization Cytoplasmic, Focal | 1 | 5 1.0| Capsule, Hyperplasia | 2 | 7 2.3| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Hyperplasia | 1 | 4 1.3| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + M + | 57 | Pars Intermedia, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Degeneration, Cystic | 1 2 | 8 1.6| Follicle, Cyst | | 5 | Follicular Cell, Hyperplasia | | 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 113 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 8| 0| | | | 0| 0| 7| 0| 0| 0| 0| 0| 4| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | .3% | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | Atypia Cellular | X | 2 | __________________________________________________________________________|____________| Preputial Gland | + + + | 25 | Ectasia | 4 X 3 | 24 3.1| Inflammation, Chronic | 2 2 | 11 2.2| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 60 | Hemorrhage | | 1 2.0| Inflammation, Chronic | | 1 1.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | Granuloma Sperm | | 2 3.0| Mineralization | | 1 3.0| Seminiferous Tubule, Atrophy | 3 2 | 6 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hypercellularity | 2 | 4 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + | 60 | Mediastinal, Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + M | 59 | Hyperplasia, Plasma Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 60 | Angiectasis | 3 | 1 3.0| Hematopoietic Cell Proliferation | | 1 2.0| Hemorrhage | 3 2 | 23 1.9| Hyperplasia, Lymphoid | | 4 2.0| Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 2 3 3 | 8 2.5| Lymphoid Follicle, Atrophy | 3 | 3 3.0| Lymphoid Follicle, Hyperplasia | | 3 2.0| Red Pulp, Atrophy | | 1 3.0| __________________________________________________________________________|____________| Thymus | + M + + + + M + + + | 54 | Cyst | X | 10 | __________________________________________________________________________________________________________________________________ * : 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 114 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 8| 0| | | | 0| 0| 7| 0| 0| 0| 0| 0| 4| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | .3% | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Depletion Cellular | 3 3 | 5 2.8| Ectopic Parathyroid Gland | | 1 | Hyperplasia, Lymphoid | | 2 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Acanthosis | | 2 1.0| Inflammation, Chronic | | 1 1.0| Subcutaneous Tissue, Edema | 3 3 | 2 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Dysplasia | | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | + + + + + + + + + + | 60 | Inflammation, Chronic | | 2 1.0| Sarcolemmal Nuclei, Hyperplasia | | 2 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Vacuolization Cytoplasmic | | 1 2.0| Thalamus, Mineralization | 3 2 1 2 2 2 3 2 3 | 47 1.9| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Congestion | | 1 3.0| Hemorrhage | 1 2 3 | 5 1.6| Hyperplasia, Lymphoid | | 2 1.0| Infiltration Cellular, Histiocyte | | 4 2.8| Alveolar Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Developmental Malformation | | 1 | Exudate | X X X | 31 | Glands, Hyperplasia, Cystic | 1 2 2 1 2 2 2 1 2 2 | 60 1.8| Mucosa, Atrophy | 3 3 3 3 3 3 3 3 3 3 | 60 2.9| Mucosa, Degeneration | 3 3 3 3 3 3 3 3 3 3 | 60 2.9| Mucosa, Pigmentation | 2 2 2 2 3 3 2 2 1 2 | 60 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES 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 115 NTP Experiment-Test: 05120-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC BENZYL ACETATE Date: 04/24/97 Route: DOSED FEED Time: 12:17:52 __________________________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| | | DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 3| 8| 0| | | | 0| 0| 7| 0| 0| 0| 0| 0| 4| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | .3% | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Eye | | 1 | Inflammation, Chronic | | 1 3.0| Cornea, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | | 5 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Casts Protein | 1 | 7 1.3| Cyst | X X X | 17 | Glomerulosclerosis | 2 1 | 2 1.5| Hyperplasia, Lymphoid | 1 1 | 12 1.3| Mineralization | 1 2 1 1 1 | 38 1.1| Renal Tubule, Atrophy | 1 | 2 1.0| Renal Tubule, Dilatation | 1 | 2 1.5| Renal Tubule, Hyperplasia | | 1 1.0| Renal Tubule, Pigmentation | | 1 2.0| Renal Tubule, Regeneration | 1 1 1 1 1 1 | 51 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Dilatation | | 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 116 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------