TDMS Study 05133-04 Pathology Tables
NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 Facility: Battelle Northwest Chemical CAS #: 75-05-8 Lock Date: 07/17/92 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 4| 7| 7| 4| 7| 6| 6| 4| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 4| 5| DAY ON TEST | 8| 3| 2| 5| 3| 3| 5| 3| 6| 9| 5| 5| 3| 3| 3| 3| 3| 3| 3| 2| 2| 3| 3| 5| 6| | 1| 5| 6| 7| 5| 5| 7| 5| 4| 4| 7| 7| 5| 5| 5| 5| 5| 5| 5| 2| 0| 5| 5| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | A + + + + + + + + + + + + + + + + + + A + + + + A| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + + + + + + + + +| Hemorrhage | | Necrosis | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + A + + + + +| Hemorrhage | | Necrosis | | __________________________________________________________________________| Intestine Small, Duodenum | A + + + + M + + + A + + + + + + + + + A + + + + A| __________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + + A + + + + + + + + + + + + + + A| Peyer's Patch, Hyperplasia | 3 | __________________________________________________________________________| Intestine Small, Ileum | A + + + + + + + + A + + + + + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X| Degeneration, Cystic | | Eosinophilic Focus | X | Focal Cellular Change | | Hematopoietic Cell Proliferation | 2 2 2 | Hyperplasia, Lymphoid | | Infarct | | Mixed Cell Focus | | Necrosis | 1 1 | Bile Duct, Cyst | X | Bile Duct, Degeneration | | Centrilobular, Necrosis | | Serosa, Inflammation, Suppurative | | __________________________________________________________________________| Mesentery | + + + + | Angiectasis | | Inflammation, Chronic | 2 | Fat, Necrosis | 4 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Focal Cellular Change | 1 | Hyperplasia, Lymphoid | 2 | Inflammation, Chronic | 4 1 | Duct, Ectasia | 3 4| Duct, Inflammation, Chronic | 3| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hyperplasia, Squamous | 3 | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 4| 7| 7| 4| 7| 6| 6| 4| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 4| 5| DAY ON TEST | 8| 3| 2| 5| 3| 3| 5| 3| 6| 9| 5| 5| 3| 3| 3| 3| 3| 3| 3| 2| 2| 3| 3| 5| 6| | 1| 5| 6| 7| 5| 5| 7| 5| 4| 4| 7| 7| 5| 5| 5| 5| 5| 5| 5| 2| 0| 5| 5| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | Ulcer | | Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + M + M + + + M + + + + + + + + M + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 2 | Hyperplasia, Atypical | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia | 1 2 | Hypertrophy | 1 | Capsule, Hyperplasia | 4 | __________________________________________________________________________| Adrenal Medulla | + M + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Parathyroid Gland | M + + M M + M M M M M M M M M M M + + + + + M M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 1 1 1 1 2 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 2 4 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + M + + M + + M + + + + M + + + M + + + + M M + +| Atrophy | 4 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Abscess | | Amyloid Deposition | | Angiectasis | 1 | Atrophy | 3 2 2 2 2 2 1 2 4 | Cyst | X X X X X X X X X | Mineralization | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 4| 7| 7| 4| 7| 6| 6| 4| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 4| 5| DAY ON TEST | 8| 3| 2| 5| 3| 3| 5| 3| 6| 9| 5| 5| 3| 3| 3| 3| 3| 3| 3| 2| 2| 3| 3| 5| 6| | 1| 5| 6| 7| 5| 5| 7| 5| 4| 4| 7| 7| 5| 5| 5| 5| 5| 5| 5| 2| 0| 5| 5| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | Amyloid Deposition | | Hyperplasia, Cystic | 2 2 1 3 3 4 2 4 3 2 2 1 3 2 3 2 3 3 3 1 1 3 4 2 3| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Neutrophil | 3 3 | __________________________________________________________________________| Lymph Node | + + + | Iliac, Hyperplasia | 3 | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + M + + + + M + + + + M + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia | 2 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + M + + + + + M M + + + M + + M + + M + M| Hyperplasia | 2 3 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + M + + + + + + + + + + + + + + + + M + + +| Angiectasis | | Congestion | 3 | Hematopoietic Cell Proliferation | | Hyperplasia, Histiocytic | 4 | Hyperplasia | 2 | Inflammation, Chronic | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + M M M + + M + + + I + + + M + M M + + M + M| Hematopoietic Cell Proliferation | | Hyperplasia | | Inflammation, Suppurative | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hematopoietic Cell Proliferation | 2 2 3 | Hemorrhage | 3 | Hyperplasia, Lymphoid | 2 2 2 2 2 2 4 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + M + + +| Atrophy | 3 | Hyperplasia, Lymphoid | 2 2 2 4 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Inflammation, | | Chronic | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 3 3 1 1 1 1 1 | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 4| 7| 7| 4| 7| 6| 6| 4| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 4| 5| DAY ON TEST | 8| 3| 2| 5| 3| 3| 5| 3| 6| 9| 5| 5| 3| 3| 3| 3| 3| 3| 3| 2| 2| 3| 3| 5| 6| | 1| 5| 6| 7| 5| 5| 7| 5| 4| 4| 7| 7| 5| 5| 5| 5| 5| 5| 5| 2| 0| 5| 5| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Inflammation | | Mineralization | 1 1 1 1 1 1 1 2 2 1| Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 1 | Inflammation, Acute | | Inflammation, Suppurative | | Thrombosis | | Alveolar Epithelium, Hyperplasia | 1 1| Alveolus, Infiltration Cellular, | | Histiocyte | | Artery, Mediastinum, Inflammation | | Mediastinum, Hemorrhage | 3 | Mediastinum, Inflammation, | | Suppurative | | Perivascular, Infiltration Cellular, | | Mononuclear Cell | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 | Olfactory Epithelium, Atrophy | 2 | Olfactory Epithelium, Metaplasia | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Hyperplasia, Atypical | 2 | Inflammation, Suppurative | | Nephropathy | 1 1 1 1 1 1 1 1 1 1 | Arteriole, Inflammation, Chronic | 2 | Cortex, Cyst | | Cortex, Pigmentation, Hemosiderin | 2 | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 4| 7| 7| 4| 7| 6| 6| 4| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 4| 5| DAY ON TEST | 8| 3| 2| 5| 3| 3| 5| 3| 6| 9| 5| 5| 3| 3| 3| 3| 3| 3| 3| 2| 2| 3| 3| 5| 6| | 1| 5| 6| 7| 5| 5| 7| 5| 4| 4| 7| 7| 5| 5| 5| 5| 5| 5| 5| 2| 0| 5| 5| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + M + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | Ulcer | | Arteriole, Inflammation | | Transitional Epithelium, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 5| 7| 6| 4| 6| 6| 7| 7| 7| 7| 4| 6| 7| 4| 6| 5| 6| 7| 0| DAY ON TEST | 3| 3| 5| 0| 1| 3| 1| 3| 8| 5| 5| 4| 3| 3| 3| 3| 5| 3| 3| 5| 7| 8| 9| 0| 0| | 5| 5| 7| 6| 0| 5| 7| 5| 1| 7| 8| 1| 5| 5| 5| 5| 7| 5| 5| 7| 8| 1| 9| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | 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| CONTROL | 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 | M + + + + + + + + + A + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + A + + + + + + + + + + + + + | Hemorrhage | 1 | Necrosis | 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + M + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + A + + + + + + + + + + + + + | Hemorrhage | 2 | Necrosis | 1 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + M + A + + + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + A + + + + + + + + + + + + + | Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + A + + + + + + + + + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + | Basophilic Focus | | Degeneration, Cystic | 2 | Eosinophilic Focus | X X X X | Focal Cellular Change | X | Hematopoietic Cell Proliferation | 3 1 3 2 2 | Hyperplasia, Lymphoid | 2 | Infarct | 4 | Mixed Cell Focus | X X X X | Necrosis | 1 | Bile Duct, Cyst | | Bile Duct, Degeneration | 2 | Centrilobular, Necrosis | 3 | Serosa, Inflammation, Suppurative | 4 2 | __________________________________________________________________________| Mesentery | + + + + + + | Angiectasis | 2 | Inflammation, Chronic | 3 | Fat, Necrosis | 3 3 2 2 1 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + | Atrophy | 4 | Focal Cellular Change | 1 | Hyperplasia, Lymphoid | | Inflammation, Chronic | | Duct, Ectasia | 4 | Duct, Inflammation, Chronic | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + | Angiectasis | 1 | Hyperplasia, Squamous | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 5| 7| 6| 4| 6| 6| 7| 7| 7| 7| 4| 6| 7| 4| 6| 5| 6| 7| 0| DAY ON TEST | 3| 3| 5| 0| 1| 3| 1| 3| 8| 5| 5| 4| 3| 3| 3| 3| 5| 3| 3| 5| 7| 8| 9| 0| 0| | 5| 5| 7| 6| 0| 5| 7| 5| 1| 7| 8| 1| 5| 5| 5| 5| 7| 5| 5| 7| 8| 1| 9| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | 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| CONTROL | 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 | | | | Ulcer | | Epithelium, Hyperplasia | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Suppurative | 2 | __________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + M + + + + + + + + + + + + + + + | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + | Cardiomyopathy | 1 1 1 1 1 2 1 1 | Hyperplasia, Atypical | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 2 2 | Hyperplasia | 3 | Hypertrophy | 1 | Capsule, Hyperplasia | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | 1 | __________________________________________________________________________| Parathyroid Gland | M M + + + M M + M + M M M M + M M + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + | Pars Distalis, Cyst | X X X | Pars Distalis, Hyperplasia | 4 1 2 3 2 1 2 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + | Follicle, Cyst | | Follicular Cell, Hyperplasia | 1 1 1 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + M M M + M M + M + + M + + | Atrophy | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + | Abscess | 4 4 4 4 | Amyloid Deposition | 2 | Angiectasis | 4 3 | Atrophy | 2 2 1 1 2 2 1 | Cyst | X X X X X | Mineralization | 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 8 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 5| 7| 6| 4| 6| 6| 7| 7| 7| 7| 4| 6| 7| 4| 6| 5| 6| 7| 0| DAY ON TEST | 3| 3| 5| 0| 1| 3| 1| 3| 8| 5| 5| 4| 3| 3| 3| 3| 5| 3| 3| 5| 7| 8| 9| 0| 0| | 5| 5| 7| 6| 0| 5| 7| 5| 1| 7| 8| 1| 5| 5| 5| 5| 7| 5| 5| 7| 8| 1| 9| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | 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| CONTROL | 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 | | | | Amyloid Deposition | 1 | Hyperplasia, Cystic | 3 3 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 3 4 2 2 3 | Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia, Neutrophil | 2 2 2 2 | __________________________________________________________________________| Lymph Node | + + | Iliac, Hyperplasia | 3 | __________________________________________________________________________| Lymph Node, Bronchial | + + + M M + M + + + + M M + + M + + + + + + + + | Hematopoietic Cell Proliferation | 2 2 | Hyperplasia | 2 2 2 2 3 | __________________________________________________________________________| Lymph Node, Mandibular | + M M + + + M + + + + + + M + M + + + M + + M + | Hyperplasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + M + + + + M + + + + + + + + + + + + + | Angiectasis | 2 | Congestion | 2 | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Histiocytic | | Hyperplasia | 2 | Inflammation, Chronic | 2 | __________________________________________________________________________| Lymph Node, Mediastinal | M + + + M + + + + + + + + + M + M + + M + + + + | Hematopoietic Cell Proliferation | 2 2 | Hyperplasia | 2 2 3 2 3 2 | Inflammation, Suppurative | 3 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + | Congestion | 3 | Hematopoietic Cell Proliferation | 2 1 4 2 1 2 1 4 | Hemorrhage | | Hyperplasia, Lymphoid | 2 2 2 2 1 1 | __________________________________________________________________________| Thymus | + + + + + + M + + + + + + + + + + M + + + + + + | Atrophy | 2 3 3 2 | Hyperplasia, Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + | Hyperplasia | 1 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + | Subcutaneous Tissue, Inflammation, | | Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + | Fibrous Osteodystrophy | 2 2 2 2 2 1 1 1 2 2 2 1 2 1 | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 5| 7| 6| 4| 6| 6| 7| 7| 7| 7| 4| 6| 7| 4| 6| 5| 6| 7| 0| DAY ON TEST | 3| 3| 5| 0| 1| 3| 1| 3| 8| 5| 5| 4| 3| 3| 3| 3| 5| 3| 3| 5| 7| 8| 9| 0| 0| | 5| 5| 7| 6| 0| 5| 7| 5| 1| 7| 8| 1| 5| 5| 5| 5| 7| 5| 5| 7| 8| 1| 9| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | 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| CONTROL | 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic | | Inflammation | | Mineralization | 1 1 2 2 1 2 1 1 1 1 1 1 1 1 1 | Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + | Hemorrhage | 1 1 | Inflammation, Acute | 2 | Inflammation, Suppurative | 1 | Thrombosis | 1 | Alveolar Epithelium, Hyperplasia | 1 | Alveolus, Infiltration Cellular, | | Histiocyte | 3 | Artery, Mediastinum, Inflammation | | Mediastinum, Hemorrhage | | Mediastinum, Inflammation, | | Suppurative | 4 | Perivascular, Infiltration Cellular, | | Mononuclear Cell | 2 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Suppurative | 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Atrophy | 1 1 2 1 | Olfactory Epithelium, Metaplasia | 1 1 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + | Amyloid Deposition | 4 | Hyperplasia, Atypical | | Inflammation, Suppurative | 3 | Nephropathy | 1 1 2 1 1 1 1 1 2 1 | Arteriole, Inflammation, Chronic | | Cortex, Cyst | | Cortex, Pigmentation, Hemosiderin | | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 5| 7| 6| 4| 6| 6| 7| 7| 7| 7| 4| 6| 7| 4| 6| 5| 6| 7| 0| DAY ON TEST | 3| 3| 5| 0| 1| 3| 1| 3| 8| 5| 5| 4| 3| 3| 3| 3| 5| 3| 3| 5| 7| 8| 9| 0| 0| | 5| 5| 7| 6| 0| 5| 7| 5| 1| 7| 8| 1| 5| 5| 5| 5| 7| 5| 5| 7| 8| 1| 9| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | 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| CONTROL | 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 | | | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + | Inflammation, Chronic | | Ulcer | 3 | Arteriole, Inflammation | 3 | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 7| | | DAY ON TEST | 2| 5| 3| 3| 3| 3| 2| 3| 3| 0| | | | 3| 7| 5| 5| 5| 5| 6| 5| 5| 6| | 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Gallbladder | A + + M + + + + + + | 52 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + M | 56 | Hemorrhage | | 1 1.0| Necrosis | | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Cecum | M + + + + + + + + + | 55 | Hemorrhage | | 1 2.0| Necrosis | | 1 1.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 52 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + + + + + + | 54 | Peyer's Patch, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 55 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 59 | Basophilic Focus | | 2 | Degeneration, Cystic | | 1 2.0| Eosinophilic Focus | | 5 | Focal Cellular Change | | 1 | Hematopoietic Cell Proliferation | | 8 2.1| Hyperplasia, Lymphoid | | 1 2.0| Infarct | | 1 4.0| Mixed Cell Focus | | 4 | Necrosis | 3 1 | 5 1.4| Bile Duct, Cyst | | 1 | Bile Duct, Degeneration | | 1 2.0| Centrilobular, Necrosis | | 1 3.0| Serosa, Inflammation, Suppurative | | 2 3.0| __________________________________________________________________________|____________| Mesentery | | 10 | Angiectasis | | 1 2.0| Inflammation, Chronic | | 2 2.5| Fat, Necrosis | | 7 2.6| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 59 | Atrophy | | 2 2.5| Focal Cellular Change | | 2 1.0| Hyperplasia, Lymphoid | | 1 2.0| Inflammation, Chronic | 1 | 3 2.0| Duct, Ectasia | | 3 3.7| Duct, Inflammation, Chronic | | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 59 | __________________________________________________________________________________________________________________________________ * : 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 12 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 7| | | DAY ON TEST | 2| 5| 3| 3| 3| 3| 2| 3| 3| 0| | | | 3| 7| 5| 5| 5| 5| 6| 5| 5| 6| | 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 59 | Angiectasis | | 1 1.0| Hyperplasia, Squamous | 4 | 2 3.5| Inflammation, Suppurative | 1 | 1 1.0| Ulcer | 1 | 1 1.0| Epithelium, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 59 | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Tooth | | | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + M + M + + + + | 52 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 59 | Cardiomyopathy | 1 1 1 | 16 1.1| Hyperplasia, Atypical | | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 59 | Hematopoietic Cell Proliferation | | 2 2.0| Hyperplasia | 3 | 4 2.3| Hypertrophy | 1 | 3 1.0| Capsule, Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 58 | Hyperplasia | | 2 1.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 59 | Hyperplasia | | 2 1.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + M M + + M M | 28 | __________________________________________________________________________|____________| Pituitary Gland | + + + + M + + + + + | 58 | Pars Distalis, Cyst | | 4 | Pars Distalis, Hyperplasia | 1 1 4 2 | 19 1.7| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 59 | Follicle, Cyst | | 1 | Follicular Cell, Hyperplasia | 1 1 | 12 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 2 | _____________________________________________________________________________________________________________________| | 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 13 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 7| | | DAY ON TEST | 2| 5| 3| 3| 3| 3| 2| 3| 3| 0| | | | 3| 7| 5| 5| 5| 5| 6| 5| 5| 6| | 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + M M + M + + M + M | 40 | Atrophy | | 1 4.0| __________________________________________________________________________|____________| Ovary | + + + M + + + + + + | 58 | Abscess | | 4 4.0| Amyloid Deposition | | 1 2.0| Angiectasis | | 3 2.7| Atrophy | 3 | 17 2.0| Cyst | X X X X X | 19 | Mineralization | | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 1.0| Hyperplasia, Cystic | 2 2 3 2 2 2 2 2 2 2 | 57 2.4| Inflammation, Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 59 | Hyperplasia, Neutrophil | | 6 2.3| __________________________________________________________________________|____________| Lymph Node | + + | 7 | Iliac, Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + M M + + + | 48 | Hematopoietic Cell Proliferation | | 2 2.0| Hyperplasia | 2 1 3 | 11 2.1| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + M M + + + + | 42 | Hyperplasia | | 5 2.2| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + M | 54 | Angiectasis | | 1 2.0| Congestion | | 2 2.5| Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia, Histiocytic | | 1 4.0| Hyperplasia | 2 | 3 2.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + M + | 43 | Hematopoietic Cell Proliferation | | 2 2.0| Hyperplasia | | 6 2.3| Inflammation, Suppurative | | 2 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 59 | Congestion | | 1 3.0| Hematopoietic Cell Proliferation | 4 | 12 2.3| Hemorrhage | | 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 14 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 7| | | DAY ON TEST | 2| 5| 3| 3| 3| 3| 2| 3| 3| 0| | | | 3| 7| 5| 5| 5| 5| 6| 5| 5| 6| | 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 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, Lymphoid | 1 | 14 1.9| __________________________________________________________________________|____________| Thymus | M + + + + + + + + M | 54 | Atrophy | | 5 2.6| Hyperplasia, Lymphoid | 3 | 6 2.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 59 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 59 | Subcutaneous Tissue, Inflammation, | | | Chronic | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 59 | Fibrous Osteodystrophy | 2 3 1 2 1 | 27 1.7| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 59 | Inflammation, Chronic | | 1 1.0| Inflammation | 2 | 1 2.0| Mineralization | 1 1 1 | 28 1.2| Necrosis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 59 | Hemorrhage | | 4 1.5| Inflammation, Acute | | 1 2.0| Inflammation, Suppurative | | 1 1.0| Thrombosis | | 1 1.0| Alveolar Epithelium, Hyperplasia | | 3 1.0| Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 3.0| Artery, Mediastinum, Inflammation | 4 | 1 4.0| Mediastinum, Hemorrhage | | 1 3.0| Mediastinum, Inflammation, | | | Suppurative | | 1 4.0| Perivascular, Infiltration Cellular, | | | Mononuclear Cell | | 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 15 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 6| 4| 7| 7| 7| 7| 4| 7| 7| 7| | | DAY ON TEST | 2| 5| 3| 3| 3| 3| 2| 3| 3| 0| | | | 3| 7| 5| 5| 5| 5| 6| 5| 5| 6| | 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 | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 59 | Inflammation, Suppurative | | 1 1.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 1.0| Olfactory Epithelium, Atrophy | | 5 1.4| Olfactory Epithelium, Metaplasia | | 4 1.3| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 4.0| Hyperplasia, Atypical | | 1 2.0| Inflammation, Suppurative | | 1 3.0| Nephropathy | 1 1 1 1 | 24 1.1| Arteriole, Inflammation, Chronic | | 1 2.0| Cortex, Cyst | 3 | 1 3.0| Cortex, Pigmentation, Hemosiderin | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + M + + + + + + + + | 57 | Inflammation, Chronic | | 1 2.0| Ulcer | | 1 3.0| Arteriole, Inflammation | | 1 3.0| Transitional Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 4| 6| 4| 5| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 4| 7| 7| 6| 7| 7| DAY ON TEST | 5| 8| 5| 7| 5| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 5| 3| 3| 6| 3| 3| | 7| 6| 7| 9| 7| 6| 7| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 9| 8| 7| 6| 6| 4| 6| 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 | 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| 50 PPM | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + M + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + M + + + + + + + + + M +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | | Cyst | X | Cytomegaly | 4 | Degeneration, Fatty | | Eosinophilic Focus | X X | Hematopoietic Cell Proliferation | 1 | Infiltration Cellular, Mononuclear | | Cell | | Karyomegaly | 3 | Mixed Cell Focus | X X | Necrosis | 1 | Pigmentation, Hemosiderin | 2 | Regeneration | | __________________________________________________________________________| Mesentery | + + + + + + + + + | Fat, Necrosis | 2 3 3 4 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Atrophy | 3 | Focal Cellular Change | | Hyperplasia | 1 | Inflammation, Chronic | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Hyperplasia, Squamous | 2 2 4 4 2| Inflammation, Suppurative | 1 3 | Ulcer | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 | Inflammation, Suppurative | | Mineralization | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 4| 6| 4| 5| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 4| 7| 7| 6| 7| 7| DAY ON TEST | 5| 8| 5| 7| 5| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 5| 3| 3| 6| 3| 3| | 7| 6| 7| 9| 7| 6| 7| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 9| 8| 7| 6| 6| 4| 6| 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 | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + M + + + + + + + + M M + + M + + +| Mineralization | | Thrombosis | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hematopoietic Cell Proliferation | | Hyperplasia | 2 1 | Hypertrophy | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + I + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 4 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 | __________________________________________________________________________| Parathyroid Gland | M + + M + M M M + M + + M M + M + + + + + M + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | 1 1 2 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + M M M + + + M + + M + M M + M + M M M + + + M +| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 2 | Angiectasis | 2 | Atrophy | 3 1 1 1 1 1 1 2 2 3 2 | Cyst | X X X X X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | Hyperplasia, Cystic | 2 2 3 1 3 2 3 4 3 2 2 3 2 2 2 2 4 2 2 3 3 3| Myometrium, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Neutrophil | | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 4| 6| 4| 5| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 4| 7| 7| 6| 7| 7| DAY ON TEST | 5| 8| 5| 7| 5| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 5| 3| 3| 6| 3| 3| | 7| 6| 7| 9| 7| 6| 7| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 9| 8| 7| 6| 6| 4| 6| 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 | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + + + +| Iliac, Hemorrhage | | Iliac, Hyperplasia | 2 | Renal, Congestion | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + M + + + + + +| Erythrophagocytosis | | Hyperplasia | 2 | __________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + M + M + + M + M + + I + M + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + M + + + + + + + + + + M + M + + + + + + + + +| Angiectasis | 2 | Congestion | | Hyperplasia | 2 2 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + + M + + M + + + M M + M M M + + + + + + + + + +| Erythrophagocytosis | | Hematopoietic Cell Proliferation | | Hyperplasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 4 2 2 2 | Hyperplasia, Lymphoid | 2 2 2 1 2 2 2 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Atrophy | | Developmental Malformation | | Hyperplasia, Lymphoid | 2 2 4 | Necrosis | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 1 2 3 1 1 1 2 3| __________________________________________________________________________| Skeletal Muscle | + | Inflammation | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 2 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 4| 6| 4| 5| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 4| 7| 7| 6| 7| 7| DAY ON TEST | 5| 8| 5| 7| 5| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 5| 3| 3| 6| 3| 3| | 7| 6| 7| 9| 7| 6| 7| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 9| 8| 7| 6| 6| 4| 6| 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 | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Embolus | X | Hemorrhage | | Infiltration Cellular, Mononuclear | | Cell | | Alveolar Epithelium, Hyperplasia | 2 1 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 3 1 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Suppurative | 2 2 | Olfactory Epithelium, Atrophy | 1 1 | Olfactory Epithelium, Metaplasia | 1 1 | Olfactory Epithelium, Necrosis | 3 | Respiratory Epithelium, Necrosis | 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 2 3 | Hydronephrosis | 1 | Infarct | | Infiltration Cellular, Mononuclear | | Cell | | Metaplasia, Osseous | 1 1 | Nephropathy | 1 1 2 1 1 1 1 1 1 2 1 4 1 1 1 1| Cortex, Pigmentation, Hemosiderin | | Glomerulus, Embolus | | Renal Tubule, Mineralization | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 6| 4| 6| 7| 4| 7| 4| 4| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 6| 3| 0| 4| 5| 2| 3| 3| 3| 5| 5| 3| 3| 3| 9| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 6| 5| 6| 2| 6| 7| 2| 6| 5| 6| 7| 7| 6| 6| 6| 5| 6| 6| 7| 6| 6| 6| 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 | 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| 50 PPM | 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 | + + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + A + + + A + + + + + + + + + I + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Intestine Large, Colon | + A + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + A + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | M A + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + A + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + A + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | X | Cyst | | Cytomegaly | | Degeneration, Fatty | 2 | Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 3 | Infiltration Cellular, Mononuclear | | Cell | 2 2 | Karyomegaly | | Mixed Cell Focus | X | Necrosis | 1 | Pigmentation, Hemosiderin | | Regeneration | 3 | __________________________________________________________________________| Mesentery | + + + + + | Fat, Necrosis | 3 4 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 3 | Atrophy | 4 | Focal Cellular Change | 1 | Hyperplasia | | Inflammation, Chronic | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | 2 | Hyperplasia, Squamous | 1 4 | Inflammation, Suppurative | 1 | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + A + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Suppurative | 2 | Mineralization | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 6| 4| 6| 7| 4| 7| 4| 4| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 6| 3| 0| 4| 5| 2| 3| 3| 3| 5| 5| 3| 3| 3| 9| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 6| 5| 6| 2| 6| 7| 2| 6| 5| 6| 7| 7| 6| 6| 6| 5| 6| 6| 7| 6| 6| 6| 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 | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | M M + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Thrombosis | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X X X | Hematopoietic Cell Proliferation | 1 2 | Hyperplasia | | Hypertrophy | 1 1 1 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 | __________________________________________________________________________| Parathyroid Gland | I + + M + + M M + + M M M + + + M M M M + M + M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 3 1 2 2 4 1 4 4 | __________________________________________________________________________| Thyroid Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Follicle, Cyst | | Follicular Cell, Hyperplasia | 2 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | M + + + + + M M + M + + + + + + M + + M + + + + +| __________________________________________________________________________| Ovary | + + + + + A + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Angiectasis | | Atrophy | 2 2 1 2 1 | Cyst | X X X X X X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 4 4 | Hyperplasia, Cystic | 4 2 2 3 2 1 3 2 2 2 2 2 3 4 2 2 3 2 1 3 2 2| Myometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Neutrophil | 3 | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 6| 4| 6| 7| 4| 7| 4| 4| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 6| 3| 0| 4| 5| 2| 3| 3| 3| 5| 5| 3| 3| 3| 9| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 6| 5| 6| 2| 6| 7| 2| 6| 5| 6| 7| 7| 6| 6| 6| 5| 6| 6| 7| 6| 6| 6| 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 | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + + + | Iliac, Hemorrhage | | Iliac, Hyperplasia | | Renal, Congestion | 2 | __________________________________________________________________________| Lymph Node, Bronchial | + M + M + + + + + + + + + + + + + + + + + + + + +| Erythrophagocytosis | 2 | Hyperplasia | 3 2 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + M I + + + + + + + M M + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + + + + + + + + + + M + + + + + M + + +| Angiectasis | | Congestion | 3 | Hyperplasia | 3 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + M M + + + M + M + + + + M + + + + M + + +| Erythrophagocytosis | 2 | Hematopoietic Cell Proliferation | 2 | Hyperplasia | 1 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Hematopoietic Cell Proliferation | 3 4 2 2 1 | Hyperplasia, Lymphoid | 2 2 2 3 2 | __________________________________________________________________________| Thymus | + + + + + M + + + + + + + + + + + + + + + + + + +| Angiectasis | 2| Atrophy | 3 | Developmental Malformation | X | Hyperplasia, Lymphoid | 2 2 | Necrosis | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 1 1 2 1 1 2 1 2 | __________________________________________________________________________| Skeletal Muscle | | Inflammation | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | Mineralization | 1 1 1 1 1 1 1 2 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 6| 6| 4| 6| 7| 4| 7| 4| 4| 7| 7| 7| 5| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 6| 3| 0| 4| 5| 2| 3| 3| 3| 5| 5| 3| 3| 3| 9| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 6| 5| 6| 2| 6| 7| 2| 6| 5| 6| 7| 7| 6| 6| 6| 5| 6| 6| 7| 6| 6| 6| 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 | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Embolus | | Hemorrhage | 1 | Infiltration Cellular, Mononuclear | | Cell | 3 | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Atrophy | 1 1 | Olfactory Epithelium, Metaplasia | 1 | Olfactory Epithelium, Necrosis | | Respiratory Epithelium, Necrosis | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Hydronephrosis | | Infarct | 4 | Infiltration Cellular, Mononuclear | | Cell | 2 | Metaplasia, Osseous | | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1| Cortex, Pigmentation, Hemosiderin | 2 | Glomerulus, Embolus | 2 | Renal Tubule, Mineralization | | __________________________________________________________________________| Urinary Bladder | + + I + + + + M + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 3| 7| 6| 4| | | DAY ON TEST | 3| 3| 3| 6| 1| 5| 6| 1| 2| 5| | | | 6| 6| 6| 4| 7| 7| 9| 1| 1| 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| 2| | A | 50 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Gallbladder | + + + + A + A + + + | 55 | Inflammation, Suppurative | | 2 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + M + A + + + | 55 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + A + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + A + + + | 56 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + A + + + | 54 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + A + + + | 56 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + A + + + | 57 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | X | 3 | Clear Cell Focus | | 1 | Cyst | | 1 | Cytomegaly | | 1 4.0| Degeneration, Fatty | 3 | 2 2.5| Eosinophilic Focus | | 3 | Hematopoietic Cell Proliferation | | 2 2.0| Infiltration Cellular, Mononuclear | | | Cell | | 2 2.0| Karyomegaly | | 1 3.0| Mixed Cell Focus | X | 4 | Necrosis | 1 2 | 4 1.3| Pigmentation, Hemosiderin | | 1 2.0| Regeneration | | 1 3.0| __________________________________________________________________________|____________| Mesentery | + + | 16 | Fat, Necrosis | 2 | 9 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + A + + + | 59 | Amyloid Deposition | | 1 3.0| Atrophy | | 2 3.5| Focal Cellular Change | | 1 1.0| Hyperplasia | | 1 1.0| Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Diverticulum | | 1 2.0| Hyperplasia, Squamous | 3 | 8 2.8| Inflammation, Suppurative | | 3 1.7| Ulcer | 1 | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 25 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 3| 7| 6| 4| | | DAY ON TEST | 3| 3| 3| 6| 1| 5| 6| 1| 2| 5| | | | 6| 6| 6| 4| 7| 7| 9| 1| 1| 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| 2| | A | 50 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + A + + + | 58 | Hyperplasia | | 2 1.5| Inflammation, Suppurative | | 1 2.0| Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + M + + + | 53 | Mineralization | 2 | 1 2.0| Thrombosis | | 1 2.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | 1 1 1 | 19 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + A + + + | 59 | Cyst | | 3 | Hematopoietic Cell Proliferation | | 2 1.5| Hyperplasia | | 2 1.5| Hypertrophy | | 4 1.3| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + A + + + | 58 | Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + A + + + | 59 | Hyperplasia | | 5 1.2| __________________________________________________________________________|____________| Parathyroid Gland | I M + + + + M + + M | 32 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + A + + + | 59 | Pars Distalis, Cyst | X | 3 | Pars Distalis, Hyperplasia | 2 1 | 16 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + A + + + | 58 | Inflammation, Suppurative | | 1 1.0| Follicle, Cyst | | 1 | Follicular Cell, Hyperplasia | | 6 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + M + + + | 41 | __________________________________________________________________________|____________| Ovary | + + + + + + A + M + | 57 | Amyloid Deposition | | 1 2.0| 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 26 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 3| 7| 6| 4| | | DAY ON TEST | 3| 3| 3| 6| 1| 5| 6| 1| 2| 5| | | | 6| 6| 6| 4| 7| 7| 9| 1| 1| 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| 2| | A | 50 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Atrophy | 2 2 1 | 19 1.6| Cyst | X X X | 18 | __________________________________________________________________________|____________| Uterus | + + + + + + A + + + | 59 | Dilatation | | 2 4.0| Hyperplasia, Cystic | 4 3 4 2 2 3 4 3 1 | 53 2.5| Myometrium, Hyperplasia | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + A + + + | 59 | Hyperplasia, Neutrophil | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + | 9 | Iliac, Hemorrhage | 4 | 1 4.0| Iliac, Hyperplasia | | 1 2.0| Renal, Congestion | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + A M I + | 54 | Erythrophagocytosis | | 1 2.0| Hyperplasia | | 4 2.5| __________________________________________________________________________|____________| Lymph Node, Mandibular | M M + + + M + M + + | 45 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + A + + + | 53 | Angiectasis | | 1 2.0| Congestion | | 1 3.0| Hyperplasia | | 5 2.2| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + M + + M A + M + | 43 | Erythrophagocytosis | | 1 2.0| Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Spleen | + + + + + + A + + + | 59 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 2 3 | 12 2.4| Hyperplasia, Lymphoid | 1 2 | 15 1.9| __________________________________________________________________________|____________| Thymus | + + + + + + A + + + | 58 | Angiectasis | | 1 2.0| Atrophy | 2 | 2 2.5| Developmental Malformation | | 1 | Hyperplasia, Lymphoid | | 5 2.4| Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + M + + + | 57 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 27 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 3| 7| 6| 4| | | DAY ON TEST | 3| 3| 3| 6| 1| 5| 6| 1| 2| 5| | | | 6| 6| 6| 4| 7| 7| 9| 1| 1| 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| 2| | A | 50 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Inflammation, Suppurative | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Fibrous Osteodystrophy | 1 2 | 18 1.6| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Inflammation | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 1.0| Mineralization | 1 1 1 1 | 31 1.1| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + A + + + | 59 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Embolus | | 1 | Hemorrhage | | 1 1.0| Infiltration Cellular, Mononuclear | | | Cell | | 1 3.0| Alveolar Epithelium, Hyperplasia | | 4 1.8| Alveolus, Infiltration Cellular, | | | Histiocyte | | 3 1.7| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Nasolacrimal Duct, Inflammation, | | | Suppurative | | 2 2.0| Olfactory Epithelium, Atrophy | | 4 1.0| Olfactory Epithelium, Metaplasia | | 3 1.0| Olfactory Epithelium, Necrosis | | 1 3.0| Respiratory Epithelium, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + A + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + A + + + | 59 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 28 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 4| 3| 7| 6| 4| | | DAY ON TEST | 3| 3| 3| 6| 1| 5| 6| 1| 2| 5| | | | 6| 6| 6| 4| 7| 7| 9| 1| 1| 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| 2| | A | 50 PPM | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Amyloid Deposition | | 2 2.5| Hydronephrosis | | 1 1.0| Infarct | | 1 4.0| Infiltration Cellular, Mononuclear | | | Cell | | 1 2.0| Metaplasia, Osseous | 1 | 3 1.0| Nephropathy | 1 1 1 2 | 32 1.2| Cortex, Pigmentation, Hemosiderin | | 1 2.0| Glomerulus, Embolus | | 1 2.0| Renal Tubule, Mineralization | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + A + + + | 57 | __________________________________________________________________________________________________________________________________ * : 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 29 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 4| 4| 7| 6| DAY ON TEST | 0| 3| 8| 3| 1| 3| 3| 3| 5| 3| 7| 3| 3| 3| 6| 3| 3| 5| 0| 3| 2| 5| 5| 3| 5| | 6| 4| 3| 6| 2| 6| 6| 6| 7| 6| 0| 6| 6| 6| 3| 6| 6| 7| 4| 6| 7| 7| 7| 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| 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| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + A I + + A + + + + + +| Hyperplasia | | Inflammation, Suppurative | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + A + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + A + + + A + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A I + + A + + + + + +| Inflammation, Suppurative | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + A + + + + + +| Amyloid Deposition | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Clear Cell Focus | | Degeneration, Fatty | 2 | Eosinophilic Focus | | Focal Cellular Change | 1 X | Hematopoietic Cell Proliferation | | Mitotic Alteration | 1 | Mixed Cell Focus | | Necrosis | 2 2 1 | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + + + + | Fat, Necrosis | 3 2 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Focal Cellular Change | | Inflammation, Chronic | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 4 4 3 | Inflammation, Suppurative | 2 2 | Necrosis | | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + M + + + + + + + + + + + + M + + + + M| Mineralization | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cardiomyopathy | 1 1 1 1 1 1 1 1 1 | Hyperplasia, Atypical | | _____________________________________________________________________________________________________________________| Page 30 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 4| 4| 7| 6| DAY ON TEST | 0| 3| 8| 3| 1| 3| 3| 3| 5| 3| 7| 3| 3| 3| 6| 3| 3| 5| 0| 3| 2| 5| 5| 3| 5| | 6| 4| 3| 6| 2| 6| 6| 6| 7| 6| 0| 6| 6| 6| 3| 6| 6| 7| 4| 6| 7| 7| 7| 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| 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| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hematopoietic Cell Proliferation | | Hypertrophy | 1 1 1 1 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + M M M M M + + M + M M + M + + + + M + M M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 3 1 1 4 2 2 1 1 2 2 3 3| Pars Intermedia, Hyperplasia | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + M + + + + + M + + + + M M + + + + M + +| __________________________________________________________________________| Ovary | + + + + M + + I + + + + + + + + + + + + + + + + +| Angiectasis | | Atrophy | 2 3 2 2 2 2 2 2 | Cyst | X X 1 X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Dilatation | | Hyperplasia, Cystic | 2 1 3 4 2 2 4 4 2 2 2 3 4 2 3 3 2 2 3 1 3 1 3 2| Inflammation, Suppurative | | Thrombosis | | Artery, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Neutrophil | 2 | __________________________________________________________________________| Lymph Node | + + +| Axillary, Hyperplasia | | Iliac, Hyperplasia | | Popliteal, Hyperplasia | 2 | Renal, Angiectasis | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + M + M + + + M + + + + M M + + + + + + +| Hyperplasia | 2 2 2 | _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 4| 4| 7| 6| DAY ON TEST | 0| 3| 8| 3| 1| 3| 3| 3| 5| 3| 7| 3| 3| 3| 6| 3| 3| 5| 0| 3| 2| 5| 5| 3| 5| | 6| 4| 3| 6| 2| 6| 6| 6| 7| 6| 0| 6| 6| 6| 3| 6| 6| 7| 4| 6| 7| 7| 7| 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| 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| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + M + M + + + + + + + + + M M + + + + +| Hyperplasia | 2 4 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + I + + + I + + + +| Amyloid Deposition | | Angiectasis | | Hemorrhage | | Hyperplasia | 1 2 1 | __________________________________________________________________________| Lymph Node, Mediastinal | + M + + + + + + M + + + + M + + + M M + M M M + M| Hyperplasia | 2 2 2 3 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Hematopoietic Cell Proliferation | 2 1 2 2 2 3 | Hyperplasia, Lymphoid | 2 2 2 2 3 2 2 | Capsule, Fibrosis | | __________________________________________________________________________| Thymus | + + + + + + + + + + M + + M + + + + + + + + + + +| Angiectasis | 2 | Atrophy | 1 | Hyperplasia, Lymphoid | 2 2 4 2 | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Sebaceous Gland, Hyperplasia | 4 | Subcutaneous Tissue, Inflammation, | | Chronic | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 2 2 1 1 | Fracture | | Inflammation, Chronic | | __________________________________________________________________________| Skeletal Muscle | | Hemorrhage | | Inflammation | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 2 1 1 1 1 1 2 1 1 1| Pigmentation, Hemosiderin | 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 6| 7| 7| 4| 7| 7| 7| 4| 4| 7| 6| DAY ON TEST | 0| 3| 8| 3| 1| 3| 3| 3| 5| 3| 7| 3| 3| 3| 6| 3| 3| 5| 0| 3| 2| 5| 5| 3| 5| | 6| 4| 3| 6| 2| 6| 6| 6| 7| 6| 0| 6| 6| 6| 3| 6| 6| 7| 4| 6| 7| 7| 7| 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| 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| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Alveolar Epithelium, Hyperplasia | | Alveolus, Infiltration Cellular, | | Histiocyte | 3 2 | Arteriole, Inflammation | 3 | Perivascular, Infiltration Cellular, | | Mononuclear Cell | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Olfactory Epithelium, Atrophy | 1 1 2| Olfactory Epithelium, Metaplasia | | Respiratory Epithelium, Hyperplasia | | Respiratory Epithelium, Metaplasia, | | Squamous | 1| Respiratory Epithelium, Necrosis | 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 1 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Osseous | 1 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + M + +| Inflammation, Chronic | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 6| 5| 7| 4| 6| 7| 7| 4| 6| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 0| 7| 3| 6| 5| 3| 5| 3| 3| 3| 5| 7| 3| 3| 4| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 7| 8| 0| 6| 5| 2| 6| 7| 5| 6| 6| 7| 1| 6| 6| 3| 6| 6| 7| 6| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 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 | + + + + A + + + + + A M + + + M + A + + + + + + +| Hyperplasia | 1 | Inflammation, Suppurative | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + A + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + A + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + A + + + + + M + + + + + + A + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + M + + A + + + + + + + + + + + + + +| Amyloid Deposition | 4 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Clear Cell Focus | X | Degeneration, Fatty | | Eosinophilic Focus | X X | Focal Cellular Change | | Hematopoietic Cell Proliferation | 2 | Mitotic Alteration | 2 | Mixed Cell Focus | | Necrosis | 1 1 4 1 1 | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Focal Cellular Change | 1 1 | Inflammation, Chronic | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 1 2 1 1 1 | Inflammation, Suppurative | 2 | Necrosis | 1 | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + M + + + + + + + + + + + + + + +| Mineralization | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1| Hyperplasia, Atypical | 2 | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 6| 5| 7| 4| 6| 7| 7| 4| 6| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 0| 7| 3| 6| 5| 3| 5| 3| 3| 3| 5| 7| 3| 3| 4| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 7| 8| 0| 6| 5| 2| 6| 7| 5| 6| 6| 7| 1| 6| 6| 3| 6| 6| 7| 6| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 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 | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hematopoietic Cell Proliferation | 1 | Hypertrophy | 1 1 1| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | M M + M M M + M + + M M M M M M + + M + M M M M M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 2 2 1 1 1 1 1 3| Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 3 1 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | M + + M + M M + M + M + + + + + + M + + M + + M +| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 | Atrophy | 3 1 1 2 1 1 1 2 | Cyst | X X X X X X X X| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Dilatation | | Hyperplasia, Cystic | 2 1 2 4 1 2 3 4 4 3 2 2 2 4 3 3 3 2 3 3 2 2| Inflammation, Suppurative | 3 | Thrombosis | | Artery, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Neutrophil | 4 | __________________________________________________________________________| Lymph Node | + + +| Axillary, Hyperplasia | 1 | Iliac, Hyperplasia | | Popliteal, Hyperplasia | | Renal, Angiectasis | 4| __________________________________________________________________________| Lymph Node, Bronchial | M + + + + + + + + + + + M + + + + + + M + + + + +| Hyperplasia | 2 4 | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 6| 5| 7| 4| 6| 7| 7| 4| 6| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 0| 7| 3| 6| 5| 3| 5| 3| 3| 3| 5| 7| 3| 3| 4| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 7| 8| 0| 6| 5| 2| 6| 7| 5| 6| 6| 7| 1| 6| 6| 3| 6| 6| 7| 6| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 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 | | | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + M + + M M + + + + + + + + + + + + + M| Hyperplasia | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + M + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 3 | Angiectasis | | Hemorrhage | 3 | Hyperplasia | 2 3 3 1 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + M + + M + + M + M + + + + + M + M + +| Hyperplasia | 4 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 4 | Hematopoietic Cell Proliferation | 2 1 3 3 2 1 | Hyperplasia, Lymphoid | 3 2 2 3 2 1 | Capsule, Fibrosis | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + M + + + + + + + + + + + +| Angiectasis | | Atrophy | | Hyperplasia, Lymphoid | 2 2 2 2 2 2| Epithelial Cell, Hyperplasia | 1 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Sebaceous Gland, Hyperplasia | | Subcutaneous Tissue, Inflammation, | | Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 2 1 2 2 2 1 1 | Fracture | X | Inflammation, Chronic | 2 | __________________________________________________________________________| Skeletal Muscle | + | Hemorrhage | 2 | Inflammation | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 1 1 1 1 1 1 2 1 1 2 1 1| Pigmentation, Hemosiderin | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 6| 7| 6| 5| 7| 4| 6| 7| 7| 4| 6| 7| 7| 6| 7| 7| 4| 7| 7| 7| 7| DAY ON TEST | 3| 3| 5| 0| 7| 3| 6| 5| 3| 5| 3| 3| 3| 5| 7| 3| 3| 4| 3| 3| 5| 3| 3| 3| 3| | 6| 6| 7| 8| 0| 6| 5| 2| 6| 7| 5| 6| 6| 7| 1| 6| 6| 3| 6| 6| 7| 6| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 1 | Alveolar Epithelium, Hyperplasia | | Alveolus, Infiltration Cellular, | | Histiocyte | | Arteriole, Inflammation | | Perivascular, Infiltration Cellular, | | Mononuclear Cell | 1 2| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1| Olfactory Epithelium, Atrophy | 1 1 | Olfactory Epithelium, Metaplasia | 1 1 | Respiratory Epithelium, Hyperplasia | 1 | Respiratory Epithelium, Metaplasia, | | Squamous | | Respiratory Epithelium, Necrosis | | __________________________________________________________________________| Trachea | + + + + A + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Osseous | | Nephropathy | 1 1 1 1 1 1 1 1 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 2| _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 6| 7| 4| 7| 7| 4| 6| 7| | | DAY ON TEST | 3| 7| 6| 1| 5| 3| 3| 5| 6| 0| | | | 6| 0| 8| 9| 7| 6| 6| 7| 4| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Gallbladder | + + + I + + + + + + | 51 | Hyperplasia | | 1 1.0| Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 57 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 54 | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 56 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 55 | Amyloid Deposition | | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | | 1 2.0| Clear Cell Focus | | 1 | Degeneration, Fatty | | 1 2.0| Eosinophilic Focus | X | 3 | Focal Cellular Change | | 2 1.0| Hematopoietic Cell Proliferation | | 1 2.0| Mitotic Alteration | | 2 1.5| Mixed Cell Focus | X | 1 | Necrosis | | 8 1.6| Centrilobular, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Mesentery | | 7 | Fat, Necrosis | | 3 2.3| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 1 1.0| Focal Cellular Change | | 2 1.0| Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Hyperplasia, Squamous | 4 | 9 2.3| Inflammation, Suppurative | 2 | 4 2.0| Necrosis | | 1 1.0| Ulcer | 2 1 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + M + + | 55 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 6| 7| 4| 7| 7| 4| 6| 7| | | DAY ON TEST | 3| 7| 6| 1| 5| 3| 3| 5| 6| 0| | | | 6| 0| 8| 9| 7| 6| 6| 7| 4| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Mineralization | 2 | 1 2.0| __________________________________________________________________________|____________| Heart | + M + + + + + + + + | 59 | Angiectasis | 1 | 1 1.0| Cardiomyopathy | 1 1 1 | 23 1.0| Hyperplasia, Atypical | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Cyst | | 1 | Hematopoietic Cell Proliferation | | 1 1.0| Hypertrophy | | 7 1.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 3 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + M + + | 27 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 60 | Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 3 1 1 2 | 24 1.8| Pars Intermedia, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Follicular Cell, Hyperplasia | 1 | 9 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + | 46 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 58 | Angiectasis | | 2 1.5| Atrophy | 2 3 2 3 | 20 2.0| Cyst | X X X X X | 18 1.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 60 | Angiectasis | | 1 2.0| Dilatation | 4 | 1 4.0| Hyperplasia, Cystic | 4 1 3 3 1 3 2 2 3 | 55 2.5| Inflammation, Suppurative | 2 | 2 2.5| Thrombosis | 4 | 1 4.0| Artery, Inflammation, Chronic | 4 | 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 39 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 6| 7| 4| 7| 7| 4| 6| 7| | | DAY ON TEST | 3| 7| 6| 1| 5| 3| 3| 5| 6| 0| | | | 6| 0| 8| 9| 7| 6| 6| 7| 4| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hyperplasia, Neutrophil | 3 | 3 3.0| __________________________________________________________________________|____________| Lymph Node | + + + | 9 | Axillary, Hyperplasia | | 1 1.0| Iliac, Hyperplasia | 3 | 1 3.0| Popliteal, Hyperplasia | | 1 2.0| Renal, Angiectasis | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + M | 51 | Hyperplasia | 2 1 | 7 2.1| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + | 52 | Hyperplasia | | 4 2.5| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 57 | Amyloid Deposition | | 1 3.0| Angiectasis | 1 2 | 2 1.5| Hemorrhage | | 1 3.0| Hyperplasia | 2 | 9 1.9| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + M + | 44 | Hyperplasia | 2 3 | 10 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Amyloid Deposition | | 1 4.0| Hematopoietic Cell Proliferation | 2 1 2 | 15 1.9| Hyperplasia, Lymphoid | | 13 2.2| Capsule, Fibrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + M + + + + + + + | 56 | Angiectasis | 2 | 2 2.0| Atrophy | | 1 1.0| Hyperplasia, Lymphoid | 1 2 | 12 2.1| Epithelial Cell, Hyperplasia | | 2 1.5| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 60 | Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Sebaceous Gland, Hyperplasia | | 1 4.0| Subcutaneous Tissue, Inflammation, | | | Chronic | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 40 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 6| 7| 4| 7| 7| 4| 6| 7| | | DAY ON TEST | 3| 7| 6| 1| 5| 3| 3| 5| 6| 0| | | | 6| 0| 8| 9| 7| 6| 6| 7| 4| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Fibrous Osteodystrophy | 1 1 1 | 16 1.5| Fracture | | 1 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Hemorrhage | | 1 2.0| Inflammation | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Mineralization | 2 1 1 | 28 1.2| Pigmentation, Hemosiderin | | 1 1.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hemorrhage | 2 | 5 1.4| Alveolar Epithelium, Hyperplasia | 2 1 | 2 1.5| Alveolus, Infiltration Cellular, | | | Histiocyte | | 2 2.5| Arteriole, Inflammation | 2 | 2 2.5| Perivascular, Infiltration Cellular, | | | Mononuclear Cell | | 3 1.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Inflammation, Suppurative | 1 | 2 1.0| Olfactory Epithelium, Atrophy | | 5 1.2| Olfactory Epithelium, Metaplasia | | 2 1.0| Respiratory Epithelium, Hyperplasia | | 1 1.0| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 1.0| Respiratory Epithelium, Necrosis | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 59 | Metaplasia, Squamous | | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 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 41 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 6| 7| 4| 7| 7| 4| 6| 7| | | DAY ON TEST | 3| 7| 6| 1| 5| 3| 3| 5| 6| 0| | | | 6| 0| 8| 9| 7| 6| 6| 7| 4| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 100 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Metaplasia, Osseous | | 1 1.0| Nephropathy | 1 2 2 1 1 | 27 1.1| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 59 | Inflammation, Chronic | | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 42 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 4| 4| 7| 4| 7| 7| 7| 7| 4| 6| 6| 7| 7| 4| 2| 7| 4| 7| 5| 7| 6| 7| DAY ON TEST | 3| 1| 3| 5| 5| 3| 5| 3| 3| 3| 3| 5| 4| 5| 3| 3| 9| 9| 3| 5| 3| 1| 3| 7| 3| | 5| 0| 5| 7| 7| 5| 7| 5| 5| 5| 5| 7| 4| 0| 5| 5| 1| 4| 5| 7| 5| 0| 5| 8| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 200 PPM | 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 | + + + + + + + + + + + + + + + + + A + + + + + + +| Inflammation, Suppurative | 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 1 | Infarct | | Karyomegaly | | Mitotic Alteration | | Necrosis | 2 | Bile Duct, Cyst | | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 2 2 2 | Hyperplasia, Squamous | 2 4 3 3 4 3 2 4 | Inflammation, Suppurative | 3 2 2 | Ulcer | 2 2 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Tooth | | Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | M + + + + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hypertrophy | 1 | Capsule, Hyperplasia | 3 | __________________________________________________________________________| Adrenal Medulla | + + + + + + M + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 4| 4| 7| 4| 7| 7| 7| 7| 4| 6| 6| 7| 7| 4| 2| 7| 4| 7| 5| 7| 6| 7| DAY ON TEST | 3| 1| 3| 5| 5| 3| 5| 3| 3| 3| 3| 5| 4| 5| 3| 3| 9| 9| 3| 5| 3| 1| 3| 7| 3| | 5| 0| 5| 7| 7| 5| 7| 5| 5| 5| 5| 7| 4| 0| 5| 5| 1| 4| 5| 7| 5| 0| 5| 8| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + A + + + + + + +| Hyperplasia | 4 | __________________________________________________________________________| Parathyroid Gland | M + + + + M + M + M + + + + M + + + + + M + M + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 1 2 1 1 4 2 2 1 4| Pars Distalis, Inflammation, Chronic | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | Follicle, Cyst | | Follicular Cell, Hyperplasia | 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + M + + M + + + + + + + + + M + + + M + + + + M M| __________________________________________________________________________| Ovary | + + + + + + M + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 2 2 3 2| Cyst | X X X X X X | Germinal Epithelium, Hyperplasia | 3 | Interstitium, Hyperplasia | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Hyperplasia, Cystic | 3 3 2 2 1 4 2 2 3 4 2 3 2 3 1 1 2 1 1 2 2 2 | Inflammation, Suppurative | | Arteriole, Hypertrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Megakaryocyte | | Hyperplasia, Neutrophil | | __________________________________________________________________________| Lymph Node | | __________________________________________________________________________| Lymph Node, Bronchial | M + M + + + + + + M M + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + M + + + + M + M M + + M + M + + M + M + + + +| Hyperplasia | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + M M + + M + + + + + + + + + M + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Lymph Node, Mediastinal | + M I + M + M M + + + + + + M + M + + + M + + M +| Hyperplasia | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + A + + + + + + +| Amyloid Deposition | | _____________________________________________________________________________________________________________________| Page 44 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 4| 4| 7| 4| 7| 7| 7| 7| 4| 6| 6| 7| 7| 4| 2| 7| 4| 7| 5| 7| 6| 7| DAY ON TEST | 3| 1| 3| 5| 5| 3| 5| 3| 3| 3| 3| 5| 4| 5| 3| 3| 9| 9| 3| 5| 3| 1| 3| 7| 3| | 5| 0| 5| 7| 7| 5| 7| 5| 5| 5| 5| 7| 4| 0| 5| 5| 1| 4| 5| 7| 5| 0| 5| 8| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hematopoietic Cell Proliferation | 1 2 3 2 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | + + + + + + + + M M + + + + + M + + + + + M + M +| Angiectasis | | Atrophy | 1 | Hyperplasia, Lymphoid | 1 1 1 | Necrosis | 2 | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | Subcutaneous Tissue, Inflammation, | | Chronic | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 4 2 1 2 2 2 2 | __________________________________________________________________________| Skeletal Muscle | + | Hemorrhage | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic | 2 2 | Mineralization | 1 1 1 1 2 1 1 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Inflammation, Acute | 2 | Thrombosis | 1 2 | Alveolar Epithelium, Hyperplasia | | Alveolus, Infiltration Cellular, | | Histiocyte | 2 | Perivascular, Infiltration Cellular, | | Mononuclear Cell | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Atrophy | 1 1 | _____________________________________________________________________________________________________________________| Page 45 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 4| 4| 7| 4| 7| 7| 7| 7| 4| 6| 6| 7| 7| 4| 2| 7| 4| 7| 5| 7| 6| 7| DAY ON TEST | 3| 1| 3| 5| 5| 3| 5| 3| 3| 3| 3| 5| 4| 5| 3| 3| 9| 9| 3| 5| 3| 1| 3| 7| 3| | 5| 0| 5| 7| 7| 5| 7| 5| 5| 5| 5| 7| 4| 0| 5| 5| 1| 4| 5| 7| 5| 0| 5| 8| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Olfactory Epithelium, Metaplasia | 1 | Olfactory Epithelium, Necrosis | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + A + + + + + + +| Metaplasia, Osseous | 1 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Renal Tubule, Necrosis | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + A + + + + + + +| _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 5| 7| 7| 4| 4| 7| 7| 7| 7| 7| 7| 1| 4| 7| 7| 7| 6| 4| 7| 5| DAY ON TEST | 3| 2| 3| 3| 5| 0| 3| 3| 7| 5| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 6| 4| 3| 6| | 5| 0| 0| 5| 7| 9| 5| 5| 2| 7| 5| 5| 5| 5| 5| 5| 7| 7| 5| 5| 5| 4| 4| 5| 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| 200 PPM | 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 | + + + + + + + + A + + + + + + + + + + + + + A + +| Inflammation, Suppurative | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + M + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + I + + + + M + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 3 2 | Infarct | 4| Karyomegaly | 1 | Mitotic Alteration | 3 | Necrosis | | Bile Duct, Cyst | X | Centrilobular, Necrosis | 2 2 3| __________________________________________________________________________| Mesentery | + + + | Fat, Necrosis | 2 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 2 | Hyperplasia, Squamous | 2 1 2 1 1 1 1 4 1 3 2 2 3| Inflammation, Suppurative | | Ulcer | 2 2| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | Dysplasia | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + M + + + + + + + + + M + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 2 1 1 1 | Inflammation, Suppurative | 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hypertrophy | 1 1 | Capsule, Hyperplasia | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 5| 7| 7| 4| 4| 7| 7| 7| 7| 7| 7| 1| 4| 7| 7| 7| 6| 4| 7| 5| DAY ON TEST | 3| 2| 3| 3| 5| 0| 3| 3| 7| 5| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 6| 4| 3| 6| | 5| 0| 0| 5| 7| 9| 5| 5| 2| 7| 5| 5| 5| 5| 5| 5| 7| 7| 5| 5| 5| 4| 4| 5| 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + M + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + M + M M M + + M M + + + M M M + + + + M + +| __________________________________________________________________________| Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 1 1 4 2 2 4 2 1 | Pars Distalis, Inflammation, Chronic | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 | Follicle, Cyst | X X | Follicular Cell, Hyperplasia | 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + M M M + + + + M + + + + + M + + + + + + M M| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + M + + + + + + + + + +| Atrophy | 2 2 2 2 2 2| Cyst | X X | Germinal Epithelium, Hyperplasia | | Interstitium, Hyperplasia | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hyperplasia, Cystic | 2 2 3 1 1 3 2 2 3 2 4 2 3 2 4 3 2 2 2 3 2| Inflammation, Suppurative | 2 | Arteriole, Hypertrophy | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Megakaryocyte | 2 | Hyperplasia, Neutrophil | 2 3 | __________________________________________________________________________| Lymph Node | + | __________________________________________________________________________| Lymph Node, Bronchial | M + + + + + + + M + + + + M M M M + + + + + + + M| Hyperplasia | 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + M + M M M M + M M + + + M + + + + + + + M + + M| Hyperplasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + M + + + + M + + + + + + + + + + M + + +| Hyperplasia | 4 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + M M + + M + + + + + + + + + + + + M M + + + M +| Hyperplasia | 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 2 | _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 5| 7| 7| 4| 4| 7| 7| 7| 7| 7| 7| 1| 4| 7| 7| 7| 6| 4| 7| 5| DAY ON TEST | 3| 2| 3| 3| 5| 0| 3| 3| 7| 5| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 6| 4| 3| 6| | 5| 0| 0| 5| 7| 9| 5| 5| 2| 7| 5| 5| 5| 5| 5| 5| 7| 7| 5| 5| 5| 4| 4| 5| 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hematopoietic Cell Proliferation | 2 2 4 2 1 | Hyperplasia, Lymphoid | 4 2 1 | __________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + + + + + + I + + I| Angiectasis | 2 | Atrophy | 2 2 2 | Hyperplasia, Lymphoid | 2 2 | Necrosis | | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 4 | Subcutaneous Tissue, Inflammation, | | Chronic | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 1 1 1 2 1 1 2 1 | __________________________________________________________________________| Skeletal Muscle | | Hemorrhage | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic | | Mineralization | 1 1 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 2 | Inflammation, Acute | | Thrombosis | | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Infiltration Cellular, | | Histiocyte | | Perivascular, Infiltration Cellular, | | Mononuclear Cell | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Atrophy | | _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 4| 5| 7| 7| 4| 4| 7| 7| 7| 7| 7| 7| 1| 4| 7| 7| 7| 6| 4| 7| 5| DAY ON TEST | 3| 2| 3| 3| 5| 0| 3| 3| 7| 5| 3| 3| 3| 3| 3| 3| 2| 5| 3| 3| 3| 6| 4| 3| 6| | 5| 0| 0| 5| 7| 9| 5| 5| 2| 7| 5| 5| 5| 5| 5| 5| 7| 7| 5| 5| 5| 4| 4| 5| 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Olfactory Epithelium, Metaplasia | | Olfactory Epithelium, Necrosis | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Osseous | 1 1 | Nephropathy | 1 1 1 1 1 2 1 1 1 | Renal Tubule, Necrosis | 3| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 3| 7| 7| 6| 4| 7| 7| 7| 7| | | DAY ON TEST | 5| 2| 3| 3| 6| 5| 3| 3| 1| 3| | | | 7| 9| 5| 5| 4| 7| 5| 5| 9| 5| | 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 | 200 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + A + + + + + + + + | 59 | __________________________________________________________________________|____________| Gallbladder | + A + + + + + + + + | 56 | Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + A + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Rectum | + A + + + + + + + + | 57 | __________________________________________________________________________|____________| Intestine Large, Cecum | + A + + M + + + + + | 56 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + A + + + + + + M + | 55 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + + + + | 57 | __________________________________________________________________________|____________| Intestine Small, Ileum | + A + + + + + + + + | 57 | __________________________________________________________________________|____________| Liver | + A + + + + + + + + | 59 | Eosinophilic Focus | X X | 4 | Hematopoietic Cell Proliferation | 3 | 4 2.3| Infarct | | 1 4.0| Karyomegaly | | 1 1.0| Mitotic Alteration | | 1 3.0| Necrosis | 2 | 2 2.0| Bile Duct, Cyst | | 1 | Centrilobular, Necrosis | | 3 2.3| __________________________________________________________________________|____________| Mesentery | | 5 | Fat, Necrosis | | 4 2.3| __________________________________________________________________________|____________| Pancreas | + A + + + + + + + + | 58 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + A + + + + + + + + | 59 | __________________________________________________________________________|____________| Stomach, Forestomach | + A + + + + + + + | 58 | Hyperkeratosis | 3 | 5 2.2| Hyperplasia, Squamous | 1 3 2 2 | 25 2.3| Inflammation, Suppurative | | 3 2.3| Ulcer | | 5 1.8| __________________________________________________________________________|____________| Stomach, Glandular | + A + + + + + + + + | 58 | __________________________________________________________________________|____________| Tooth | | 1 | Dysplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + M + + + + + + + + | 55 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | 1 | 15 1.1| Inflammation, Suppurative | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 51 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 3| 7| 7| 6| 4| 7| 7| 7| 7| | | DAY ON TEST | 5| 2| 3| 3| 6| 5| 3| 3| 1| 3| | | | 7| 9| 5| 5| 4| 7| 5| 5| 9| 5| | 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 | 200 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + A + + + + + + + + | 59 | Cyst | | 1 | Hypertrophy | | 3 1.0| Capsule, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Adrenal Medulla | + A + + + + + + + + | 58 | Hyperplasia | | 2 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + A + + + + + + + + | 57 | Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Parathyroid Gland | + M M M + + M M + M | 36 | __________________________________________________________________________|____________| Pituitary Gland | + A + + + + + + + + | 58 | Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia | 1 1 2 1 | 21 1.9| Pars Distalis, Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + A + + + + + + + + | 59 | Inflammation | | 1 2.0| Follicle, Cyst | X | 3 | Follicular Cell, Hyperplasia | 1 | 6 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | M A + M + + + + + + | 44 | __________________________________________________________________________|____________| Ovary | + A + + + + + + + + | 57 | Atrophy | 3 | 13 2.2| Cyst | X X X X X | 13 | Germinal Epithelium, Hyperplasia | | 1 3.0| Interstitium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Uterus | + A + + + + + + + + | 59 | Angiectasis | | 2 1.5| Hyperplasia, Cystic | 1 1 4 2 3 4 2 3 4 | 52 2.3| Inflammation, Suppurative | | 1 2.0| Arteriole, Hypertrophy | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + A + + + + + + + + | 59 | Hyperplasia, Megakaryocyte | | 1 2.0| Hyperplasia, Neutrophil | 2 | 3 2.3| __________________________________________________________________________|____________| Lymph Node | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 52 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 3| 7| 7| 6| 4| 7| 7| 7| 7| | | DAY ON TEST | 5| 2| 3| 3| 6| 5| 3| 3| 1| 3| | | | 7| 9| 5| 5| 4| 7| 5| 5| 9| 5| | 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 | 200 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Bronchial | + M + M + + + + M + | 46 | Hyperplasia | 2 | 4 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + + + + + + | 41 | Hyperplasia | 2 2 | 5 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + A + M + + + + + + | 51 | Hyperplasia | | 4 2.3| __________________________________________________________________________|____________| Lymph Node, Mediastinal | M A + + M + + + M + | 41 | Hyperplasia | 2 2 | 5 2.2| __________________________________________________________________________|____________| Spleen | + A + + + + + + + + | 58 | Amyloid Deposition | | 1 2.0| Hematopoietic Cell Proliferation | 3 1 | 11 2.1| Hyperplasia, Lymphoid | 2 | 5 2.2| __________________________________________________________________________|____________| Thymus | + A + + + + + + + + | 51 | Angiectasis | | 1 2.0| Atrophy | 3 | 5 2.0| Hyperplasia, Lymphoid | 2 2 2 | 8 1.6| Necrosis | | 1 2.0| Epithelial Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M A + + + + + + + + | 57 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Skin | + A + + + + + + + + | 59 | Inflammation, Suppurative | | 2 3.0| Subcutaneous Tissue, Inflammation, | | | Chronic | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Fibrous Osteodystrophy | 1 2 2 2 | 19 1.7| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + A + + + + + + + + | 59 | Hemorrhage | | 1 2.0| Inflammation, Chronic | 1 | 3 1.7| Mineralization | 1 1 1 | 20 1.1| _____________________________________________________________________________________________________________________| | 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 53 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 3| 7| 7| 6| 4| 7| 7| 7| 7| | | DAY ON TEST | 5| 2| 3| 3| 6| 5| 3| 3| 1| 3| | | | 7| 9| 5| 5| 4| 7| 5| 5| 9| 5| | 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 | 200 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Larynx | + A + + + + + + + + | 59 | __________________________________________________________________________|____________| Lung | + A + + + + + + + + | 59 | Hemorrhage | 1 | 4 2.5| Inflammation, Acute | | 1 2.0| Thrombosis | | 2 1.5| Alveolar Epithelium, Hyperplasia | | 1 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 2.0| Perivascular, Infiltration Cellular, | | | Mononuclear Cell | | 1 3.0| __________________________________________________________________________|____________| Nose | + A + + + + + + + + | 59 | Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| Olfactory Epithelium, Atrophy | | 2 1.0| Olfactory Epithelium, Metaplasia | | 1 1.0| Olfactory Epithelium, Necrosis | | 1 1.0| __________________________________________________________________________|____________| Trachea | + A + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | __________________________________________________________________________|____________| Harderian Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + A + + + + + + + + | 58 | Metaplasia, Osseous | | 3 1.0| Nephropathy | 1 1 | 25 1.0| Renal Tubule, Necrosis | | 2 2.5| __________________________________________________________________________|____________| Urinary Bladder | + A + + + + + M + + | 57 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 4| 7| 7| 4| 5| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 5| 7| 4| 6| 6| DAY ON TEST | 9| 3| 5| 3| 3| 5| 1| 3| 5| 4| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 6| 3| 5| 2| 7| | 8| 3| 6| 3| 3| 6| 4| 3| 6| 6| 3| 3| 3| 3| 3| 3| 8| 6| 3| 3| 3| 3| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + M + + + + + + A + + + M + + + A| Degeneration | | Hyperplasia | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + A + + + + + + + A| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + A + + + + + + + A| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + A + + + + + + + M| Necrosis | | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + A M + + A + + + A| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + M + + + A + + + A| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + M + + + + + + + + + M + + + A + + + A| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | X X | Cytomegaly | | Degeneration, Fatty | 1 2 | Eosinophilic Focus | X | Focal Cellular Change | 1 | Hematopoietic Cell Proliferation | 2 | Hemorrhage | 3 | Infarct | 4 | Karyomegaly | 1 | Mitotic Alteration | | Mixed Cell Focus | X | Necrosis | 3 2 | Bile Duct, Degeneration | 3 | Bile Duct, Hyperplasia | 3 | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + + | Fat, Necrosis | 2 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + A + + + + + + + +| Atrophy | | Focal Cellular Change | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + A + + + + + + + +| Hyperkeratosis | | Hyperplasia, Squamous | 2 | Inflammation, Suppurative | | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + A + + + + + + + +| Erosion | 1 | Inflammation, Suppurative | | Pigmentation, Hemosiderin | 2 | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 4| 7| 7| 4| 5| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 5| 7| 4| 6| 6| DAY ON TEST | 9| 3| 5| 3| 3| 5| 1| 3| 5| 4| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 6| 3| 5| 2| 7| | 8| 3| 6| 3| 3| 6| 4| 3| 6| 6| 3| 3| 3| 3| 3| 3| 8| 6| 3| 3| 3| 3| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | __________________________________________________________________________| Tooth | + | Dysplasia | 4 | Inflammation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1| Necrosis | 2 | Arteriole, Inflammation, Chronic | 2 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + A + + + + + + + +| Hyperplasia | | Hypertrophy | 2 1 1 1 2 1 1 1 1 2 1 1 4 | Capsule, Hyperplasia | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + A + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + A + M + + + + + +| Hyperplasia | 1 1 1 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + M M + + + + + + M M + + M M + + M| Hyperplasia | 4 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + A + + + + + + + +| Follicular Cell, Hyperplasia | 4 1 1 4 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| Atrophy | | Ectasia | 4 3 | Inflammation, Chronic Active | 3 3 4 2 4 3 | __________________________________________________________________________| Prostate | + + + + + + + M + + + + + + M + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + A + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 4| 7| 7| 4| 5| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 5| 7| 4| 6| 6| DAY ON TEST | 9| 3| 5| 3| 3| 5| 1| 3| 5| 4| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 6| 3| 5| 2| 7| | 8| 3| 6| 3| 3| 6| 4| 3| 6| 6| 3| 3| 3| 3| 3| 3| 8| 6| 3| 3| 3| 3| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + A + + + + + + + +| Angiectasis | 4 | Fibrosis | | Hyperplasia, Neutrophil | | Thrombosis | | __________________________________________________________________________| Lymph Node | + + | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + M + + + M + + + + + + M + + + M + M + M| Hyperplasia | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + M + + + M M + + M| Hyperplasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + M + M + + + + + A + + + + + + + +| Angiectasis | 1 | Hematopoietic Cell Proliferation | | Hyperplasia | 2 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + M + + M M + + + M + + M M + + + + + M +| Hyperplasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + A + + + + + + + +| Amyloid Deposition | 1 | Hematopoietic Cell Proliferation | 2 3 1 1 3 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | + + + + M + + + + + + + + + + + A + + + + + M M +| Atrophy | 2 1 | Hyperplasia, Lymphoid | | Necrosis | | _____________________________________________________________________________________________________________________| 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, Suppurative | | Pinna, Granuloma | | Subcutaneous Tissue, Inflammation, | | Chronic | 2 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 1 1 1 1 1 1 1 | Thrombosis | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 4| 7| 7| 4| 5| 7| 7| 7| 7| 7| 7| 5| 4| 7| 7| 5| 7| 4| 6| 6| DAY ON TEST | 9| 3| 5| 3| 3| 5| 1| 3| 5| 4| 3| 3| 3| 3| 3| 3| 9| 5| 3| 3| 6| 3| 5| 2| 7| | 8| 3| 6| 3| 3| 6| 4| 3| 6| 6| 3| 3| 3| 3| 3| 3| 8| 6| 3| 3| 3| 3| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + A + + + + + + + +| Inflammation, Suppurative | 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 1 2 | Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | 2 | Inflammation, Suppurative | 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Atrophy | 1 1 2 | Olfactory Epithelium, Metaplasia | 1 1 | Respiratory Epithelium, Metaplasia, | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + A + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + A + + + + + + + +| Amyloid Deposition | 4 | Hydronephrosis | | Hyperplasia, Cystic | 1 | Inflammation, Suppurative | | Nephropathy | 1 1 1 1 1 2 1 2 2 1 1 1 1 1 1 | Arteriole, Inflammation, Chronic | 2 | Cortex, Cyst | 1 1 | Renal Tubule, Mineralization | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + A + + + + + + + +| Inflammation, Chronic | | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 6| 5| 4| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 4| 7| 7| 5| 7| 7| 5| 4| DAY ON TEST | 1| 3| 9| 5| 3| 5| 3| 3| 3| 3| 2| 3| 5| 3| 7| 3| 5| 5| 3| 3| 4| 3| 3| 9| 5| | 6| 7| 5| 6| 3| 6| 3| 3| 3| 3| 9| 3| 0| 3| 8| 3| 6| 6| 3| 3| 8| 3| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | + M + + + + + + + + + + + + + + M + + + + + + + +| Degeneration | 1 | Hyperplasia | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + M + M + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + M + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 1 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + A + + + + + + + + + + M + + +| Peyer's Patch, Hyperplasia | 2 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X X | Cytomegaly | | Degeneration, Fatty | 4 | Eosinophilic Focus | X X X | Focal Cellular Change | | Hematopoietic Cell Proliferation | 1 | Hemorrhage | | Infarct | | Karyomegaly | 1 1 | Mitotic Alteration | 2 | Mixed Cell Focus | | Necrosis | 2 | Bile Duct, Degeneration | | Bile Duct, Hyperplasia | | Centrilobular, Necrosis | 4 | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Focal Cellular Change | 2 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 1 | Hyperplasia, Squamous | 3 2 | Inflammation, Suppurative | 2 | Ulcer | 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Inflammation, Suppurative | | Pigmentation, Hemosiderin | | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 6| 5| 4| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 4| 7| 7| 5| 7| 7| 5| 4| DAY ON TEST | 1| 3| 9| 5| 3| 5| 3| 3| 3| 3| 2| 3| 5| 3| 7| 3| 5| 5| 3| 3| 4| 3| 3| 9| 5| | 6| 7| 5| 6| 3| 6| 3| 3| 3| 3| 9| 3| 0| 3| 8| 3| 6| 6| 3| 3| 8| 3| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | __________________________________________________________________________| Tooth | + | Dysplasia | | Inflammation | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + M + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Necrosis | | Arteriole, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 2 4 1 2 2 | Hypertrophy | 1 1 2 2 2 2 1 1 2 1 | Capsule, Hyperplasia | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + M + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Parathyroid Gland | M + M + + + + + + + + + + + + + + M + + M + + M +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + M + + +| Pars Distalis, Cyst | X X | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | Ectasia | 3 4 | Inflammation, Chronic Active | 1 4 1 3 2 3 | __________________________________________________________________________| Prostate | + + + + + + + M + + + + + + + + + + + + M + + + M| Inflammation, Suppurative | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 1 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | _____________________________________________________________________________________________________________________| Page 60 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 6| 5| 4| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 4| 7| 7| 5| 7| 7| 5| 4| DAY ON TEST | 1| 3| 9| 5| 3| 5| 3| 3| 3| 3| 2| 3| 5| 3| 7| 3| 5| 5| 3| 3| 4| 3| 3| 9| 5| | 6| 7| 5| 6| 3| 6| 3| 3| 3| 3| 9| 3| 0| 3| 8| 3| 6| 6| 3| 3| 8| 3| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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 | | | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Fibrosis | 1 | Hyperplasia, Neutrophil | 4 2 3 2 4 | Thrombosis | | __________________________________________________________________________| Lymph Node | + | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + M + + M M + + M + M + M M + + + + + + M| Hyperplasia | 1 | __________________________________________________________________________| Lymph Node, Mandibular | + + + M + + M M + M + + + + + M + + + + M M + + +| Hyperplasia | 3 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | 1 | Hyperplasia | 2 3 4 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + M M + + + + + M M + + M + + + +| Hyperplasia | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Hematopoietic Cell Proliferation | 3 2 1 3 3 | Hyperplasia, Lymphoid | 1 3 | __________________________________________________________________________| Thymus | + + M + + + + + + + + + + + + + M + + + + + + + +| Atrophy | 1 1 | Hyperplasia, Lymphoid | | Necrosis | | _____________________________________________________________________________________________________________________| 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, Suppurative | 4 | Pinna, Granuloma | | Subcutaneous Tissue, Inflammation, | | Chronic | 3 3 4 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 1 2 2 1 1 1 1 1| Thrombosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 61 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 6| 5| 4| 7| 4| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 4| 4| 7| 7| 5| 7| 7| 5| 4| DAY ON TEST | 1| 3| 9| 5| 3| 5| 3| 3| 3| 3| 2| 3| 5| 3| 7| 3| 5| 5| 3| 3| 4| 3| 3| 9| 5| | 6| 7| 5| 6| 3| 6| 3| 3| 3| 3| 9| 3| 0| 3| 8| 3| 6| 6| 3| 3| 8| 3| 3| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Alveolar Epithelium, Hyperplasia | 2 1 2 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Exudate | | Inflammation, Suppurative | 4 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | 2 2 | Olfactory Epithelium, Atrophy | 4 | Olfactory Epithelium, Metaplasia | 1 | Respiratory Epithelium, Metaplasia, | | Squamous | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Hydronephrosis | 1 | Hyperplasia, Cystic | 1 | Inflammation, Suppurative | 2 | Nephropathy | 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 | Arteriole, Inflammation, Chronic | | Cortex, Cyst | X | Renal Tubule, Mineralization | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 4 | _____________________________________________________________________________________________________________________| Page 62 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 7| 4| 7| | | DAY ON TEST | 3| 8| 3| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 3| 3| 3| 6| 3| 3| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | CONTROL | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 54 | Degeneration | 4 | 2 2.5| Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 56 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 57 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 57 | Necrosis | | 1 1.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 56 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 55 | Peyer's Patch, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 56 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Basophilic Focus | | 1 | Clear Cell Focus | | 4 | Cytomegaly | 3 | 1 3.0| Degeneration, Fatty | 1 1 | 5 1.8| Eosinophilic Focus | X | 5 | Focal Cellular Change | | 1 1.0| Hematopoietic Cell Proliferation | | 2 1.5| Hemorrhage | | 1 3.0| Infarct | 4 | 2 4.0| Karyomegaly | 3 | 4 1.5| Mitotic Alteration | | 1 2.0| Mixed Cell Focus | X | 2 | Necrosis | 2 2 | 5 2.2| Bile Duct, Degeneration | | 1 3.0| Bile Duct, Hyperplasia | | 1 3.0| Centrilobular, Necrosis | 2 | 2 3.0| __________________________________________________________________________|____________| Mesentery | | 3 | Fat, Necrosis | | 2 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 59 | Atrophy | | 1 2.0| Focal Cellular Change | 1 | 3 1.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 59 | Hyperkeratosis | | 1 1.0| Hyperplasia, Squamous | | 3 2.3| Inflammation, Suppurative | 1 | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 63 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 7| 4| 7| | | DAY ON TEST | 3| 8| 3| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 3| 3| 3| 6| 3| 3| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | CONTROL | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Ulcer | | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 59 | Erosion | 1 | 2 1.0| Inflammation, Suppurative | 1 | 1 1.0| Pigmentation, Hemosiderin | 2 | 2 2.0| __________________________________________________________________________|____________| Tooth | + | 3 | Dysplasia | 2 | 2 3.0| Inflammation | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | 1 1 2 1 1 1 1 | 40 1.1| Necrosis | | 1 2.0| Arteriole, Inflammation, Chronic | | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + | 58 | Hyperplasia | | 7 2.3| Hypertrophy | 1 1 2 1 1 | 28 1.4| Capsule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 59 | Hyperplasia | 1 | 2 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 57 | Hyperplasia | 1 1 | 6 1.0| __________________________________________________________________________|____________| Parathyroid Gland | + + M + + + + + M + | 46 | Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + I + M + + + | 56 | Pars Distalis, Cyst | | 4 | Pars Distalis, Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 59 | Follicular Cell, Hyperplasia | 2 | 7 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 59 | __________________________________________________________________________________________________________________________________ * : 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 64 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 7| 4| 7| | | DAY ON TEST | 3| 8| 3| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 3| 3| 3| 6| 3| 3| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | CONTROL | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Atrophy | 3 | 2 3.0| Ectasia | | 4 3.5| Inflammation, Chronic Active | 2 4 | 14 2.8| __________________________________________________________________________|____________| Prostate | + + + + M + + + + + | 54 | Inflammation, Suppurative | 1 | 1 1.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 59 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | Atrophy | | 3 1.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 59 | Angiectasis | | 1 4.0| Fibrosis | 1 | 2 1.0| Hyperplasia, Neutrophil | | 5 3.0| Thrombosis | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node | | 3 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + M + M + + M + | 41 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + M M M M + + + | 43 | Hyperplasia | | 2 2.5| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + M + + + + | 56 | Angiectasis | | 1 1.0| Hematopoietic Cell Proliferation | 2 | 2 1.5| Hyperplasia | | 5 2.6| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + I + + | 47 | Hyperplasia | 3 | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 1.0| Hematopoietic Cell Proliferation | 3 1 | 12 2.2| Hyperplasia, Lymphoid | 2 | 4 2.0| __________________________________________________________________________|____________| Thymus | + + + I + + + + + + | 53 | Atrophy | | 4 1.3| Hyperplasia, Lymphoid | 4 | 1 4.0| Necrosis | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 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 65 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 7| 4| 7| | | DAY ON TEST | 3| 8| 3| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 3| 3| 3| 6| 3| 3| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | CONTROL | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Inflammation, Suppurative | | 1 4.0| Pinna, Granuloma | 3 | 1 3.0| Subcutaneous Tissue, Inflammation, | | | Chronic | | 6 2.8| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | Inflammation, Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Mineralization | 1 1 2 1 1 | 23 1.2| Thrombosis | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + | 59 | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hemorrhage | | 5 1.4| Alveolar Epithelium, Hyperplasia | | 4 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Exudate | | 1 2.0| Inflammation, Suppurative | | 3 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 | 4 2.0| Olfactory Epithelium, Atrophy | | 4 2.0| Olfactory Epithelium, Metaplasia | | 3 1.0| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 5 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 59 | Amyloid Deposition | | 1 4.0| Hydronephrosis | 1 1 | 3 1.0| Hyperplasia, Cystic | | 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 66 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 7| 4| 7| | | DAY ON TEST | 3| 8| 3| 3| 3| 5| 3| 3| 3| 3| | | | 3| 1| 3| 3| 3| 6| 3| 3| 7| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | CONTROL | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Inflammation, Suppurative | | 1 2.0| Nephropathy | 1 2 1 1 1 1 1 1 | 41 1.1| Arteriole, Inflammation, Chronic | | 1 2.0| Cortex, Cyst | 1 1 | 5 1.0| Renal Tubule, Mineralization | | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 59 | Inflammation, Chronic | | 1 4.0| __________________________________________________________________________________________________________________________________ * : 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 67 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 6| 7| 6| 7| 7| 4| 7| 4| 7| 4| 6| 7| 7| 4| 4| 6| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 0| 3| 2| 3| 1| 5| 3| 3| 3| 2| 7| 3| 3| 5| 5| 6| 3| 3| | 4| 4| 6| 4| 4| 4| 4| 2| 4| 3| 4| 4| 6| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 50 PPM | 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 + + + + + + A + + + + + + + + + +| Cyst | X | Degeneration | 2 | Inflammation, Suppurative | 2 2| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| Peyer's Patch, Hyperplasia | 3 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X | Clear Cell Focus | | Degeneration, Fatty | 2 2 2 2 2 2 2| Eosinophilic Focus | X X | Hematopoietic Cell Proliferation | 2 | Hemorrhage | | Infarct | | Karyomegaly | | Mitotic Alteration | 3 | Mixed Cell Focus | X X X | Necrosis | 1 1 | Bile Duct, Cyst | 1 | Centrilobular, Necrosis | 2 | __________________________________________________________________________| Mesentery | | Angiectasis | | Inflammation, Chronic | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1| Focal Cellular Change | 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2| Inflammation, Suppurative | 1 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 4 2 | Inflammation, Suppurative | | Ulcer | 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Pigmentation, Hemosiderin | 2 | _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 6| 7| 6| 7| 7| 4| 7| 4| 7| 4| 6| 7| 7| 4| 4| 6| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 0| 3| 2| 3| 1| 5| 3| 3| 3| 2| 7| 3| 3| 5| 5| 6| 3| 3| | 4| 4| 6| 4| 4| 4| 4| 2| 4| 3| 4| 4| 6| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 50 PPM | 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 - cont | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Cyst | X | Hyperplasia | 2 4 2 1 | Hypertrophy | 1 1 1 1 1 2 1 2 2 1 1 1 2 1| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1| __________________________________________________________________________| Parathyroid Gland | + M + + + + + M + + + M + + + + + + M M + + + M M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + I + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 1 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | | Follicular Cell, Hyperplasia | 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 4 3 3 2 | Inflammation, Chronic Active | 1 2 2 2 3 4 4 | __________________________________________________________________________| Prostate | + + M + + + + + + + + + + + + + + + M M M + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Inflammation, Suppurative | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Mineralization | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Megakaryocyte | 2 | Hyperplasia, Neutrophil | 2 2 | _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 6| 7| 6| 7| 7| 4| 7| 4| 7| 4| 6| 7| 7| 4| 4| 6| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 0| 3| 2| 3| 1| 5| 3| 3| 3| 2| 7| 3| 3| 5| 5| 6| 3| 3| | 4| 4| 6| 4| 4| 4| 4| 2| 4| 3| 4| 4| 6| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | | Iliac, Hyperplasia | | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + + + M + + M M + + + + + + + M M + + + +| Hyperplasia | | __________________________________________________________________________| Lymph Node, Mandibular | + + M M M M + + + + M M + M + + M M + + + + M M +| Hyperplasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Hyperplasia | 2 3 2| __________________________________________________________________________| Lymph Node, Mediastinal | + M + M + + M + + + + + M + + I + + M M + + + + +| Hyperplasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 2 2 2 2 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | + + + + + + + M + + + M + + + + + + + + + + + + +| Atrophy | 2 | Hyperplasia, Lymphoid | | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + M + + + + + + +| Subcutaneous Tissue, Inflammation, | | Chronic | 4 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 1 1 1 2 1 1 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 | Alveolar Epithelium, Hyperplasia | 1 2 1| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 | Olfactory Epithelium, Atrophy | | Olfactory Epithelium, Metaplasia | | _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 6| 7| 6| 7| 7| 4| 7| 4| 7| 4| 6| 7| 7| 4| 4| 6| 7| 7| DAY ON TEST | 3| 3| 5| 3| 3| 3| 3| 0| 3| 2| 3| 1| 5| 3| 3| 3| 2| 7| 3| 3| 5| 5| 6| 3| 3| | 4| 4| 6| 4| 4| 4| 4| 2| 4| 3| 4| 4| 6| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Harderian Gland | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | | Hyperplasia, Cystic | 1 | Inflammation, Suppurative | 2 | Metaplasia, Osseous | 1 | Nephropathy | 1 1 1 1 3 2 1 1 1 3 2 1 1 1 3 1 2| Cortex, Cyst | X X| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + M + + + + + + + + + + + + +| Dilatation | 3 | Hemorrhage | 2 | Inflammation, Chronic | | Inflammation, Suppurative | 2 | Pigmentation, Melanin | | Ulcer | | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 71 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 4| 7| 7| 5| 4| 7| 7| 7| 7| 4| 4| DAY ON TEST | 3| 8| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 5| 0| 3| 9| 5| 3| 3| 3| 3| 5| 5| | 4| 3| 4| 8| 4| 4| 4| 4| 6| 6| 4| 4| 4| 4| 6| 0| 4| 5| 6| 4| 4| 4| 4| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 50 PPM | 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 | + M + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Degeneration | | Inflammation, Suppurative | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | 2 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X | Clear Cell Focus | X | Degeneration, Fatty | 1 1 | Eosinophilic Focus | X X X | Hematopoietic Cell Proliferation | 2 1 | Hemorrhage | 1 | Infarct | 4 | Karyomegaly | 1 1 | Mitotic Alteration | 1 | Mixed Cell Focus | X X | Necrosis | | Bile Duct, Cyst | X 4 | Centrilobular, Necrosis | 1 | __________________________________________________________________________| Mesentery | + + + | Angiectasis | 4 | Inflammation, Chronic | 3 | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Focal Cellular Change | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Inflammation, Suppurative | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 4 4 4| Inflammation, Suppurative | 3 | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Pigmentation, Hemosiderin | | _____________________________________________________________________________________________________________________| Page 72 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 4| 7| 7| 5| 4| 7| 7| 7| 7| 4| 4| DAY ON TEST | 3| 8| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 5| 0| 3| 9| 5| 3| 3| 3| 3| 5| 5| | 4| 3| 4| 8| 4| 4| 4| 4| 6| 6| 4| 4| 4| 4| 6| 0| 4| 5| 6| 4| 4| 4| 4| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 50 PPM | 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 - cont | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Cyst | | Hyperplasia | 1 1 1 2 2 | Hypertrophy | 1 1 1 2 2 1 1 2 1 3 2 1 1 2 2 1 1| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Parathyroid Gland | + + M + I M + + + + + M + + + + M + M + + M + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 1 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | X | Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 3 4 3 4 3 | Inflammation, Chronic Active | 2 3 2 3 2 3 1 | __________________________________________________________________________| Prostate | + + + I + + + + + + + + + + + + M + + + + + + + +| Inflammation, Suppurative | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Inflammation, Suppurative | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Mineralization | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Megakaryocyte | | Hyperplasia, Neutrophil | 2 2 3 | _____________________________________________________________________________________________________________________| Page 73 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 4| 7| 7| 5| 4| 7| 7| 7| 7| 4| 4| DAY ON TEST | 3| 8| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 5| 0| 3| 9| 5| 3| 3| 3| 3| 5| 5| | 4| 3| 4| 8| 4| 4| 4| 4| 6| 6| 4| 4| 4| 4| 6| 0| 4| 5| 6| 4| 4| 4| 4| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node | + | Iliac, Hyperplasia | | __________________________________________________________________________| Lymph Node, Bronchial | + + M + M + + + + + + + + + + + + M + M M M M M +| Hyperplasia | 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + M + + + M + M + + + M + M + + + M + M +| Hyperplasia | 2 2 1 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + M + + + + + + +| Congestion | 1 | Hyperplasia | 2 2 2 2 3 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + M M + + + + M + + + + + + M + + + + M +| Hyperplasia | 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 2 1 2 1 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + + M + + + + + M +| Atrophy | | Hyperplasia, Lymphoid | 2 | Epithelial Cell, Hyperplasia | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Inflammation, | | Chronic | 2 4 4 2| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 2 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Alveolar Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 | Olfactory Epithelium, Atrophy | 1 | Olfactory Epithelium, Metaplasia | 1 | _____________________________________________________________________________________________________________________| Page 74 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 5| 7| 6| 7| 7| 7| 7| 6| 4| 7| 7| 7| 7| 4| 7| 7| 5| 4| 7| 7| 7| 7| 4| 4| DAY ON TEST | 3| 8| 3| 4| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 5| 0| 3| 9| 5| 3| 3| 3| 3| 5| 5| | 4| 3| 4| 8| 4| 4| 4| 4| 6| 6| 4| 4| 4| 4| 6| 0| 4| 5| 6| 4| 4| 4| 4| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 50 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | 2 1 1 | Hyperplasia, Cystic | | Inflammation, Suppurative | 1 | Metaplasia, Osseous | | Nephropathy | 1 2 1 1 1 2 1 1 1 1 2 2 1 1 2 2 1 2 2 | Cortex, Cyst | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + M +| Dilatation | 4 | Hemorrhage | | Inflammation, Chronic | 4 | Inflammation, Suppurative | | Pigmentation, Melanin | 2 | Ulcer | 3 | Transitional Epithelium, Hyperplasia | 2 1 | _____________________________________________________________________________________________________________________| Page 75 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 6| 7| 7| 6| 7| 5| 6| | | DAY ON TEST | 7| 5| 1| 6| 3| 3| 5| 3| 9| 9| | | | 1| 6| 1| 4| 4| 4| 8| 4| 5| 2| | 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 | 50 PPM | 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 | + + A + + + + + + + | 56 | Cyst | | 1 | Degeneration | | 1 2.0| Inflammation, Suppurative | | 3 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + A + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + A + + + + + + + | 58 | Peyer's Patch, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 59 | Peyer's Patch, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | | 1 1.0| Basophilic Focus | | 2 | Clear Cell Focus | | 1 | Degeneration, Fatty | | 9 1.8| Eosinophilic Focus | | 5 | Hematopoietic Cell Proliferation | | 3 1.7| Hemorrhage | | 1 1.0| Infarct | 3 | 2 3.5| Karyomegaly | 2 | 3 1.3| Mitotic Alteration | 4 | 3 2.7| Mixed Cell Focus | X | 6 | Necrosis | 1 1 | 4 1.0| Bile Duct, Cyst | | 3 2.5| Centrilobular, Necrosis | | 2 1.5| __________________________________________________________________________|____________| Mesentery | | 3 | Angiectasis | | 1 4.0| Inflammation, Chronic | | 1 3.0| Fat, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Atrophy | | 1 1.0| Focal Cellular Change | 1 | 2 1.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| 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 76 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 6| 7| 7| 6| 7| 5| 6| | | DAY ON TEST | 7| 5| 1| 6| 3| 3| 5| 3| 9| 9| | | | 1| 6| 1| 4| 4| 4| 8| 4| 5| 2| | 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 | 50 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Hyperplasia, Squamous | | 5 3.6| Inflammation, Suppurative | | 1 3.0| Ulcer | | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Pigmentation, Hemosiderin | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Cardiomyopathy | 1 1 1 1 1 1 1 1 1 | 42 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | | 1 | Cyst | | 1 | Hyperplasia | 1 4 | 11 1.9| Hypertrophy | 2 1 2 1 2 | 36 1.4| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Hyperplasia | 1 1 | 7 1.1| __________________________________________________________________________|____________| Parathyroid Gland | + M + + + M + + + + | 44 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 58 | Pars Distalis, Cyst | | 2 | Pars Distalis, Hyperplasia | | 3 1.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Follicle, Cyst | | 1 | Follicular Cell, Hyperplasia | 1 | 5 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 60 | Ectasia | 3 2 3 | 12 3.1| Inflammation, Chronic Active | 2 2 | 16 2.4| __________________________________________________________________________|____________| Prostate | + + + + + + M + + + | 53 | Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 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 77 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 6| 7| 7| 6| 7| 5| 6| | | DAY ON TEST | 7| 5| 1| 6| 3| 3| 5| 3| 9| 9| | | | 1| 6| 1| 4| 4| 4| 8| 4| 5| 2| | 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 | 50 PPM | 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 Active | 2 | 1 2.0| Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | Atrophy | | 1 2.0| Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Hyperplasia, Megakaryocyte | | 1 2.0| Hyperplasia, Neutrophil | 3 3 | 7 2.4| __________________________________________________________________________|____________| Lymph Node | + | 2 | Iliac, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + M + + + + + | 44 | Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + M + + + M + | 39 | Hyperplasia | | 3 1.7| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 59 | Congestion | | 2 2.0| Hyperplasia | 1 2 | 10 2.1| __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + M M + + + + | 45 | Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 2 1 2 | 15 1.7| Hyperplasia, Lymphoid | | 2 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + + + + + | 54 | Atrophy | 3 | 2 2.5| Hyperplasia, Lymphoid | | 1 2.0| Epithelial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 59 | Subcutaneous Tissue, Inflammation, | | | Chronic | 4 2 | 8 3.3| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 6| 7| 7| 6| 7| 5| 6| | | DAY ON TEST | 7| 5| 1| 6| 3| 3| 5| 3| 9| 9| | | | 1| 6| 1| 4| 4| 4| 8| 4| 5| 2| | 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 | 50 PPM | 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Mineralization | 1 1 1 1 1 1 2 | 26 1.2| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hemorrhage | 2 | 4 1.5| Alveolar Epithelium, Hyperplasia | 1 | 5 1.2| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Inflammation, Suppurative | 1 | 2 1.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 2 1.0| Olfactory Epithelium, Atrophy | | 1 1.0| Olfactory Epithelium, Metaplasia | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Harderian Gland | + | 5 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Hydronephrosis | 2 1 | 5 1.4| Hyperplasia, Cystic | | 1 1.0| Inflammation, Suppurative | 2 | 3 1.7| Metaplasia, Osseous | | 1 1.0| Nephropathy | 1 2 2 2 1 | 41 1.5| Cortex, Cyst | | 2 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 58 | Dilatation | | 2 3.5| Hemorrhage | | 1 2.0| Inflammation, Chronic | | 1 4.0| Inflammation, Suppurative | 4 | 2 3.0| Pigmentation, Melanin | | 1 2.0| Ulcer | | 1 3.0| Transitional Epithelium, Hyperplasia | | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 79 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 7| 7| 6| 4| 4| 6| 6| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 3| 3| 3| 3| 3| 5| 5| 3| 3| 3| 5| 5| 5| 5| 6| 3| 3| 3| 3| 3| 3| 5| | 2| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| 0| 6| 6| 8| 5| 4| 4| 4| 4| 4| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 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 | A + + + + + + + + + + + + M + + + + + + + + + + +| Degeneration | 3 | Inflammation, Suppurative | | __________________________________________________________________________| Intestine Large, Colon | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | A + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | 4 | __________________________________________________________________________| Intestine Small, Ileum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X X | Clear Cell Focus | X | Degeneration, Fatty | 1 2 1 2 1 1 1 2| Eosinophilic Focus | X X | Hematopoietic Cell Proliferation | 1 | Infarct | 4 4 | Karyomegaly | | Mixed Cell Focus | | Necrosis | | Vacuolization Cytoplasmic | | Kupffer Cell, Pigmentation | 2 | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | A + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Inflammation, Chronic | | Duct, Ectasia | | __________________________________________________________________________| Salivary Glands | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | A + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 1 3 | Hyperplasia, Squamous | 2 2 2 3 4 | Inflammation, Suppurative | 3 2 2 2 | Ulcer | 2 | __________________________________________________________________________| Stomach, Glandular | A + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | | Hyperplasia | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | A + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 80 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 7| 7| 6| 4| 4| 6| 6| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 3| 3| 3| 3| 3| 5| 5| 3| 3| 3| 5| 5| 5| 5| 6| 3| 3| 3| 3| 3| 3| 5| | 2| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| 0| 6| 6| 8| 5| 4| 4| 4| 4| 4| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 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 | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | M + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Cyst | | Hyperplasia | 2 2 1 2 2| Hypertrophy | 1 1 2 1 1 1 1 | __________________________________________________________________________| Adrenal Medulla | M + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | A + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 1| __________________________________________________________________________| Parathyroid Gland | + M + + + M + + + M + + M + + + + + M + + M + + +| __________________________________________________________________________| Pituitary Gland | A + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | A + + + + + + + + + + + + + + + + + + + + + + + +| Follicle, Cyst | | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | A + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 4 | Hyperplasia | | __________________________________________________________________________| Preputial Gland | A + + M + + + + + + + + + + + + + + + + + + + + +| Ectasia | 4 4 4 | Inflammation, Chronic Active | 1 4 | __________________________________________________________________________| Prostate | M M + + + + + + + + + + + + + + + + I + + M + M +| Inflammation, Suppurative | | __________________________________________________________________________| Seminal Vesicle | A + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Interstitial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | A + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Neutrophil | 4 2 | __________________________________________________________________________| Lymph Node | + | Pancreatic, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 81 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 7| 7| 6| 4| 4| 6| 6| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 3| 3| 3| 3| 3| 5| 5| 3| 3| 3| 5| 5| 5| 5| 6| 3| 3| 3| 3| 3| 3| 5| | 2| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| 0| 6| 6| 8| 5| 4| 4| 4| 4| 4| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 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 | | | | Renal, Hyperplasia | 4 | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + + M + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mandibular | M + M M + M + + + + + M + M M M M + + + M + + M +| Hyperplasia | 4 | __________________________________________________________________________| Lymph Node, Mesenteric | A + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 3 | Hematopoietic Cell Proliferation | 1 | Hyperplasia | 2 2 4 2 | __________________________________________________________________________| Lymph Node, Mediastinal | A + + + M + + + M + + + M + + + + M + M M + I M +| Hyperplasia | | __________________________________________________________________________| Spleen | A + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 1 2 2 | Hyperplasia, Lymphoid | 2 4 | __________________________________________________________________________| Thymus | A I + M M + + + + + + + + + + + + + + M + M + M +| Atrophy | | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Inflammation, | | Chronic | 4 4 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | A + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 2 1 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | A + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Alveolar Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Nose | A + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 1 | Olfactory Epithelium, Atrophy | 1 | Olfactory Epithelium, Metaplasia | 1 | __________________________________________________________________________| Trachea | A + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 1 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 6| 7| 7| 7| 4| 4| 7| 7| 7| 6| 4| 4| 6| 6| 7| 7| 7| 7| 7| 7| 4| DAY ON TEST | 4| 3| 3| 3| 3| 3| 3| 3| 5| 5| 3| 3| 3| 5| 5| 5| 5| 6| 3| 3| 3| 3| 3| 3| 5| | 2| 4| 4| 4| 6| 4| 4| 4| 6| 6| 4| 4| 4| 0| 6| 6| 8| 5| 4| 4| 4| 4| 4| 4| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | A + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | 2 | Inflammation, Suppurative | 1 | Metaplasia, Osseous | | Nephropathy | 1 1 3 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1 1| Cortex, Cyst | 2 1 | Renal Tubule, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | Inflammation, Chronic | 4 | Ulcer | | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 83 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 4| 7| 6| 5| 7| 6| 4| 5| 7| 7| 7| 4| 6| 7| 7| 7| 6| 7| 6| 5| DAY ON TEST | 3| 3| 2| 3| 1| 5| 3| 3| 6| 3| 5| 5| 3| 3| 3| 3| 5| 9| 2| 3| 3| 6| 3| 4| 7| | 4| 4| 7| 4| 6| 6| 4| 6| 7| 4| 8| 6| 7| 4| 4| 4| 6| 2| 0| 4| 4| 4| 4| 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 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| 100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + M M + + + + + + + + + + M +| Degeneration | | Inflammation, Suppurative | 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + M + + + + + + + A + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + A + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X | Clear Cell Focus | | Degeneration, Fatty | 2 2 | Eosinophilic Focus | X X | Hematopoietic Cell Proliferation | 1 1 | Infarct | | Karyomegaly | 2 | Mixed Cell Focus | X X | Necrosis | 1 | Vacuolization Cytoplasmic | | Kupffer Cell, Pigmentation | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + A + + + + + + + + + + + +| Atrophy | 1 4 | Inflammation, Chronic | 4 | Duct, Ectasia | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + A + + + + + + + + + + + +| Hyperkeratosis | | Hyperplasia, Squamous | 2 | Inflammation, Suppurative | | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + A + + + + + + + + + + + +| Degeneration | | Hyperplasia | 1 | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + A + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 84 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 4| 7| 6| 5| 7| 6| 4| 5| 7| 7| 7| 4| 6| 7| 7| 7| 6| 7| 6| 5| DAY ON TEST | 3| 3| 2| 3| 1| 5| 3| 3| 6| 3| 5| 5| 3| 3| 3| 3| 5| 9| 2| 3| 3| 6| 3| 4| 7| | 4| 4| 7| 4| 6| 6| 4| 6| 7| 4| 8| 6| 7| 4| 4| 4| 6| 2| 0| 4| 4| 4| 4| 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 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| 100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + A + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + M + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Cyst | X | Hyperplasia | 3 1 2 | Hypertrophy | 1 1 1 1 1 2 1 1 3 1 1 1 1 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + M + + + M + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + A + + + + + + + + + + + +| Hyperplasia | 1 1 1 | __________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + A + + + + + + + M + + + M| __________________________________________________________________________| Pituitary Gland | + + + + M + + + + + + + M + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + A + + + + + + + + + + + +| Follicle, Cyst | X X | Follicular Cell, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + A + + + + + + + + + + + +| Granuloma Sperm | | Hyperplasia | 2 | __________________________________________________________________________| Preputial Gland | + + + + + + + + M + + + M + + + + + + + + + + + +| Ectasia | | Inflammation, Chronic Active | 3 4 1 4 | __________________________________________________________________________| Prostate | + + + + M + + + M + + + A + + + + + + + + + + + +| Inflammation, Suppurative | 1| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + A + + + + + + + + + + + M| Inflammation, Chronic Active | | __________________________________________________________________________| Testes | + + + + + + + + + + + + A + + + + + + + + + + + +| Atrophy | | Interstitial Cell, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + A + + + + + + + + + + + +| Hyperplasia, Neutrophil | 3 1 2 4 2 4| __________________________________________________________________________| Lymph Node | + | Pancreatic, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| Page 85 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 4| 7| 6| 5| 7| 6| 4| 5| 7| 7| 7| 4| 6| 7| 7| 7| 6| 7| 6| 5| DAY ON TEST | 3| 3| 2| 3| 1| 5| 3| 3| 6| 3| 5| 5| 3| 3| 3| 3| 5| 9| 2| 3| 3| 6| 3| 4| 7| | 4| 4| 7| 4| 6| 6| 4| 6| 7| 4| 8| 6| 7| 4| 4| 4| 6| 2| 0| 4| 4| 4| 4| 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 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| 100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Renal, Hyperplasia | | __________________________________________________________________________| Lymph Node, Bronchial | M + + M + M + M + + M + M + M I + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + M + + M + + M + M + + M + M + + + + M + M| Hyperplasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + M + + + + A + + + + + + + + + + + +| Congestion | 2 4 2 | Hematopoietic Cell Proliferation | 2 3| Hyperplasia | 3 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + M M + + M + A + + + + + + M + + + + +| Hyperplasia | 4 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + A + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 2 2 2 1 2 2 2 3 2| Hyperplasia, Lymphoid | 1 1 | __________________________________________________________________________| Thymus | + + + + M + + M + + + + A + + + + + + + + + + M +| Atrophy | | Epithelial Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| 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 | + + + + + + + + + + + + A + + + + + + + + + + + +| Subcutaneous Tissue, Inflammation, | | Chronic | 4 2 2 4 2 4| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + A + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + A + + + + + + + + + + + +| Mineralization | 1 1 1 1 2 1 1 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + A + + + + + + + + + + + +| Hemorrhage | | Alveolar Epithelium, Hyperplasia | 1 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + A + + + + + + + + + + + +| Inflammation, Suppurative | | Olfactory Epithelium, Atrophy | 1 | Olfactory Epithelium, Metaplasia | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + A + + + + + + + + + + + +| Metaplasia, Squamous | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 86 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 4| 7| 6| 5| 7| 6| 4| 5| 7| 7| 7| 4| 6| 7| 7| 7| 6| 7| 6| 5| DAY ON TEST | 3| 3| 2| 3| 1| 5| 3| 3| 6| 3| 5| 5| 3| 3| 3| 3| 5| 9| 2| 3| 3| 6| 3| 4| 7| | 4| 4| 7| 4| 6| 6| 4| 6| 7| 4| 8| 6| 7| 4| 4| 4| 6| 2| 0| 4| 4| 4| 4| 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 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| 100 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + A + + + + + + + + + + + +| Hydronephrosis | 2 2 2 | Inflammation, Suppurative | 2| Metaplasia, Osseous | 1 | Nephropathy | 1 1 1 1 4 1 1 1 1 1 1 1 1 1 | Cortex, Cyst | 1 | Renal Tubule, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + A + + + + + + + + + + + +| Dilatation | 3 | Inflammation, Chronic | 3| Ulcer | | Transitional Epithelium, Hyperplasia | 3| _____________________________________________________________________________________________________________________| Page 87 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 6| | | DAY ON TEST | 5| 3| 3| 3| 9| 3| 5| 3| 3| 0| | | | 6| 4| 4| 4| 5| 4| 6| 4| 4| 7| | 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| 3| | A | 100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + | 55 | Degeneration | | 1 3.0| Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 58 | Peyer's Patch, Hyperplasia | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 57 | Peyer's Patch, Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 59 | Angiectasis | | 1 1.0| Basophilic Focus | X X | 5 | Clear Cell Focus | X | 2 | Degeneration, Fatty | 3 1 | 12 1.6| Eosinophilic Focus | X | 5 | Hematopoietic Cell Proliferation | 1 | 4 1.0| Infarct | | 2 4.0| Karyomegaly | 2 | 2 2.0| Mixed Cell Focus | X | 3 | Necrosis | | 1 1.0| Vacuolization Cytoplasmic | 2 | 1 2.0| Kupffer Cell, Pigmentation | | 1 2.0| __________________________________________________________________________|____________| Mesentery | | 3 | Fat, Necrosis | | 2 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 58 | Atrophy | | 3 2.3| Inflammation, Chronic | 1 | 2 2.5| Duct, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 58 | Hyperkeratosis | 1 | 3 1.7| Hyperplasia, Squamous | | 6 2.5| Inflammation, Suppurative | | 4 2.3| Ulcer | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 58 | Degeneration | 1 | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 88 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 6| | | DAY ON TEST | 5| 3| 3| 3| 9| 3| 5| 3| 3| 0| | | | 6| 4| 4| 4| 5| 4| 6| 4| 4| 7| | 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| 3| | A | 100 PPM | 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 | | 1 1.0| Inflammation, Suppurative | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 59 | Cardiomyopathy | 1 1 1 1 1 1 1 2 | 46 1.1| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 58 | Accessory Adrenal Cortical Nodule | | 1 | Cyst | | 1 | Hyperplasia | 1 2 2 2 2 | 13 1.8| Hypertrophy | 1 1 1 | 23 1.2| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 57 | Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 58 | Hyperplasia | 1 1 | 9 1.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + | 49 | __________________________________________________________________________|____________| Pituitary Gland | + + + + M + + + + + | 56 | Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 1 | 2 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 58 | Follicle, Cyst | | 2 | Follicular Cell, Hyperplasia | 2 | 2 3.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 58 | Granuloma Sperm | | 1 4.0| Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 56 | Ectasia | 4 | 4 4.0| Inflammation, Chronic Active | 3 2 4 | 9 2.9| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 52 | Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 57 | __________________________________________________________________________________________________________________________________ * : 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: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 6| | | DAY ON TEST | 5| 3| 3| 3| 9| 3| 5| 3| 3| 0| | | | 6| 4| 4| 4| 5| 4| 6| 4| 4| 7| | 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| 3| | A | 100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 59 | Atrophy | | 1 1.0| Interstitial Cell, Hyperplasia | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 58 | Hyperplasia, Neutrophil | 4 | 9 2.9| __________________________________________________________________________|____________| Lymph Node | | 2 | Pancreatic, Hyperplasia | | 1 3.0| Renal, Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | M + M + M + + + + M | 45 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M M + M M M + | 36 | Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + | 57 | Congestion | | 5 2.8| Hematopoietic Cell Proliferation | | 3 2.0| Hyperplasia | 2 1 | 8 2.3| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + M M + + + + + + | 44 | Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 58 | Hematopoietic Cell Proliferation | 2 2 | 16 1.9| Hyperplasia, Lymphoid | | 4 2.0| __________________________________________________________________________|____________| Thymus | + + + M + + + + + + | 48 | Atrophy | 3 | 1 3.0| Epithelial Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 59 | Subcutaneous Tissue, Inflammation, | | | Chronic | 4 | 10 3.4| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 59 | Fibrous Osteodystrophy | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 58 | __________________________________________________________________________________________________________________________________ * : 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: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 4| 7| 7| 7| 5| 7| 4| 7| 7| 6| | | DAY ON TEST | 5| 3| 3| 3| 9| 3| 5| 3| 3| 0| | | | 6| 4| 4| 4| 5| 4| 6| 4| 4| 7| | 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| 3| | A | 100 PPM | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | Mineralization | 1 1 1 | 16 1.2| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 58 | Hemorrhage | | 1 1.0| Alveolar Epithelium, Hyperplasia | | 3 1.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 58 | Inflammation, Suppurative | 1 | 3 1.0| Olfactory Epithelium, Atrophy | | 2 1.0| Olfactory Epithelium, Metaplasia | | 2 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 58 | Metaplasia, Squamous | | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 58 | Hydronephrosis | | 4 2.0| Inflammation, Suppurative | 3 | 3 2.0| Metaplasia, Osseous | | 1 1.0| Nephropathy | 1 1 2 2 1 1 | 39 1.3| Cortex, Cyst | | 3 1.3| Renal Tubule, Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 59 | Dilatation | | 2 3.0| Inflammation, Chronic | 4 | 3 3.7| Ulcer | 4 | 1 4.0| Transitional Epithelium, 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 91 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 7| 4| 6| 4| 5| 4| 7| 7| 7| 7| 4| 4| 7| 4| 7| 7| 7| 7| 7| 7| DAY ON TEST | 6| 3| 3| 5| 3| 3| 5| 4| 5| 3| 5| 3| 3| 3| 2| 5| 5| 3| 5| 3| 3| 3| 3| 3| 3| | 5| 3| 3| 6| 3| 3| 6| 3| 6| 2| 6| 3| 3| 3| 7| 6| 6| 3| 6| 3| 3| 3| 3| 3| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 200 PPM | 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 | + + M + + + + + + M + + + + A + + + + + + + + + +| Inflammation, Suppurative | 1 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + M + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + M + + + + + + + + + + + I + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + M + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| Peyer's Patch, Hyperplasia | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | | Clear Cell Focus | X X | Degeneration, Fatty | 2 1 1 | Eosinophilic Focus | X| Focal Cellular Change | | Hematopoietic Cell Proliferation | | Infarct | | Karyomegaly | 1 1| Mixed Cell Focus | X | Necrosis | | Bile Duct, Cyst | | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Focal Cellular Change | 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 1 | Hyperplasia, Squamous | 2 2 2 1 1 1 | Inflammation, Suppurative | | Ulcer | 1 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | | Ectopic Tissue | | Erosion | 3 | Hyperplasia | 2 | Pigmentation, Hemosiderin | 3 | __________________________________________________________________________| Tooth | | Inflammation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 92 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 7| 4| 6| 4| 5| 4| 7| 7| 7| 7| 4| 4| 7| 4| 7| 7| 7| 7| 7| 7| DAY ON TEST | 6| 3| 3| 5| 3| 3| 5| 4| 5| 3| 5| 3| 3| 3| 2| 5| 5| 3| 5| 3| 3| 3| 3| 3| 3| | 5| 3| 3| 6| 3| 3| 6| 3| 6| 2| 6| 3| 3| 3| 7| 6| 6| 3| 6| 3| 3| 3| 3| 3| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 200 PPM | 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + M + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Necrosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Hyperplasia | 1 1 2 2 2 4 2 | Hypertrophy | 1 2 1 1 2 2 1 1 1 1 1 1 1 1 1 2| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + M + + + M + + + + + + M + M M + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + M + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 4 3 | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Ectasia | | Inflammation, Chronic Active | 2 2 1 3 1 1 4 1 | __________________________________________________________________________| Prostate | + + + + + + + + + + M M + + + + + + + + + + + + M| Inflammation, Suppurative | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | _____________________________________________________________________________________________________________________| Page 93 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 7| 4| 6| 4| 5| 4| 7| 7| 7| 7| 4| 4| 7| 4| 7| 7| 7| 7| 7| 7| DAY ON TEST | 6| 3| 3| 5| 3| 3| 5| 4| 5| 3| 5| 3| 3| 3| 2| 5| 5| 3| 5| 3| 3| 3| 3| 3| 3| | 5| 3| 3| 6| 3| 3| 6| 3| 6| 2| 6| 3| 3| 3| 7| 6| 6| 3| 6| 3| 3| 3| 3| 3| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 200 PPM | 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 | | | | Hyperplasia, Neutrophil | 4 3 3 2 2 | __________________________________________________________________________| Lymph Node, Bronchial | M M M + M + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | M + + + M M + M + M + + + I + M + + + M + + + + +| Hyperplasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + M + + + + + + + + + + + + + + + +| Congestion | 2 | Hyperplasia | | __________________________________________________________________________| Lymph Node, Mediastinal | M I + + + M + + + + M M + + M + + + M M + M + M +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | 2 2 2 2 2 | Hyperplasia, Lymphoid | 2 | Hyperplasia, Mononuclear Cell | | __________________________________________________________________________| Thymus | + + + + + + + M + + + + + + + + + + + + + + + + +| Atrophy | 3 | Epithelial Cell, Hyperplasia | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Inflammation, Suppurative | | Subcutaneous Tissue, Inflammation, | | Chronic | 4 4 3 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 1 2 1 1 1 1 2 2 1 1| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic, Focal | | Inflammation, Granulomatous | | Alveolar Epithelium, Hyperplasia | 2 2 | Perivascular, Infiltration Cellular, | | Mononuclear Cell | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Olfactory Epithelium, Atrophy | | _____________________________________________________________________________________________________________________| Page 94 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 6| 7| 7| 4| 7| 7| 4| 6| 4| 5| 4| 7| 7| 7| 7| 4| 4| 7| 4| 7| 7| 7| 7| 7| 7| DAY ON TEST | 6| 3| 3| 5| 3| 3| 5| 4| 5| 3| 5| 3| 3| 3| 2| 5| 5| 3| 5| 3| 3| 3| 3| 3| 3| | 5| 3| 3| 6| 3| 3| 6| 3| 6| 2| 6| 3| 3| 3| 7| 6| 6| 3| 6| 3| 3| 3| 3| 3| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 200 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Olfactory Epithelium, Metaplasia | | Respiratory Epithelium, Hyperplasia | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | 1 2 | Hyperplasia, Cystic | | Inflammation, Suppurative | 4 | Nephropathy | 1 1 1 1 1 2 1 1 1 1 1 1 1 1| Cortex, Cyst | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | Inflammation, Chronic | 4 | Inflammation, Suppurative | | Ulcer | 4 | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 95 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 3| | 3| 6| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 6| 3| 3| 3| 6| 3| 3| 3| 4| 3| 3| 3| 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 | 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| 200 PPM | 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 + M + + + +| Inflammation, Suppurative | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | 3 | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Peyer's Patch, Hyperplasia | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | | Clear Cell Focus | X | Degeneration, Fatty | 1 | Eosinophilic Focus | X X X | Focal Cellular Change | 1 | Hematopoietic Cell Proliferation | 1 | Infarct | 4 | Karyomegaly | 1 | Mixed Cell Focus | X X | Necrosis | 3 | Bile Duct, Cyst | X | __________________________________________________________________________| Mesentery | + | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Focal Cellular Change | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 1 | Hyperplasia, Squamous | 1 4 2 4 1 | Inflammation, Suppurative | 2 | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | 2 | Ectopic Tissue | X | Erosion | | Hyperplasia | 2 | Pigmentation, Hemosiderin | | __________________________________________________________________________| Tooth | + | Inflammation | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 96 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 3| | 3| 6| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 6| 3| 3| 3| 6| 3| 3| 3| 4| 3| 3| 3| 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 | 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cardiomyopathy | 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1| Necrosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | | Hyperplasia | 1 2 | Hypertrophy | 3 3 1 1 1 1 1 1 1 1 3 1 2 1 1| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 4 | __________________________________________________________________________| Parathyroid Gland | + M + M M + + + M M I + + M M M + M M + M M M M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | | Inflammation, Chronic Active | | Inflammation, Suppurative | 1 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Ectasia | | Inflammation, Chronic Active | 4 4 2 1 2 3 2 1 2 3| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + M + + + + + M +| Inflammation, Suppurative | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | _____________________________________________________________________________________________________________________| Page 97 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 3| | 3| 6| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 6| 3| 3| 3| 6| 3| 3| 3| 4| 3| 3| 3| 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 | 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| 200 PPM | 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 | | | | Hyperplasia, Neutrophil | 3 4 2 | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + M + + + + + + + + M + + + + + M + M +| __________________________________________________________________________| Lymph Node, Mandibular | + + M + M M + + + + + + M + + M + + M + + + M + +| Hyperplasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia | 1 2 1 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + M + + + + + + + M M M + + + + + + M + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 | Hematopoietic Cell Proliferation | 2 3 3 3 2 | Hyperplasia, Lymphoid | 2 2 2 2 2 2 | Hyperplasia, Mononuclear Cell | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + M + + + + + + + + +| Atrophy | | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Inflammation, Suppurative | 4 | Subcutaneous Tissue, Inflammation, | | Chronic | 2 4 3 4 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 1 1 2 1 1 1 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic, Focal | 3 | Inflammation, Granulomatous | 2 | Alveolar Epithelium, Hyperplasia | 1 | Perivascular, Infiltration Cellular, | | Mononuclear Cell | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 1 | Olfactory Epithelium, Atrophy | 1 | _____________________________________________________________________________________________________________________| Page 98 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 _____________________________________________________________________________________________________________________ | 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 5| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 5| 3| 3| 3| 3| | 3| 6| 3| 3| 3| 3| 3| 1| 3| 3| 3| 3| 6| 3| 3| 3| 6| 3| 3| 3| 4| 3| 3| 3| 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 | 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| 200 PPM | 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| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Olfactory Epithelium, Metaplasia | 1 | Respiratory Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | 1 1 1 1| Hyperplasia, Cystic | 2 2 | Inflammation, Suppurative | 1 | Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Cortex, Cyst | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | Inflammation, Chronic | | Inflammation, Suppurative | 4 | Ulcer | | Transitional Epithelium, Hyperplasia | 1 3 | _____________________________________________________________________________________________________________________| Page 99 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | | | 3| 3| 3| 3| 3| 3| 2| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 200 PPM | 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 | + + + + + + + + + + | 55 | Inflammation, Suppurative | | 3 1.3| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + | 58 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 59 | Peyer's Patch, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + | 59 | Peyer's Patch, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + | 60 | Angiectasis | | 1 1.0| Basophilic Focus | X | 1 | Clear Cell Focus | | 3 | Degeneration, Fatty | | 4 1.3| Eosinophilic Focus | | 4 | Focal Cellular Change | | 1 1.0| Hematopoietic Cell Proliferation | 2 | 2 1.5| Infarct | | 1 4.0| Karyomegaly | | 3 1.0| Mixed Cell Focus | | 3 | Necrosis | | 1 3.0| Bile Duct, Cyst | | 1 | __________________________________________________________________________|____________| Mesentery | + + | 3 | Fat, Necrosis | 3 3 | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 60 | Focal Cellular Change | | 1 1.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + | 60 | Cyst | X | 1 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 60 | Hyperkeratosis | | 2 1.0| Hyperplasia, Squamous | 2 2 1 2 | 15 1.9| Inflammation, Suppurative | 2 | 2 2.0| Ulcer | | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 60 | Degeneration | | 1 2.0| Ectopic Tissue | | 1 | Erosion | | 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: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | | | 3| 3| 3| 3| 3| 3| 2| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 200 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Hyperplasia | | 2 2.0| Pigmentation, Hemosiderin | | 1 3.0| __________________________________________________________________________|____________| Tooth | | 1 | Inflammation | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + M + + + + + | 58 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 60 | Angiectasis | | 1 2.0| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 | 44 1.0| Necrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 60 | Accessory Adrenal Cortical Nodule | | 1 | Hyperplasia | 4 2 1 | 12 2.0| Hypertrophy | 1 1 2 1 2 1 | 37 1.4| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 60 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 60 | Hyperplasia | 1 | 4 1.8| __________________________________________________________________________|____________| Parathyroid Gland | M + + M + + M + M M | 35 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 59 | Pars Distalis, Cyst | | 3 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 60 | Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 60 | Granuloma Sperm | | 2 3.5| Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | | 1 1.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + | 60 | Atrophy | 3 | 1 3.0| Ectasia | 4 4 | 2 4.0| Inflammation, Chronic Active | 3 3 | 20 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 101 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | | | 3| 3| 3| 3| 3| 3| 2| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 200 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Prostate | M + + + + + + + + + | 54 | Inflammation, Suppurative | | 2 1.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + | 60 | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 60 | Atrophy | | 2 2.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + | 60 | Angiectasis | | 1 2.0| Hyperplasia, Neutrophil | 3 3 2 | 11 2.8| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + M | 50 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + + + + + + | 44 | Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + M + + + + + + + + | 58 | Congestion | | 1 2.0| Hyperplasia | | 3 1.3| __________________________________________________________________________|____________| Lymph Node, Mediastinal | I + + + + + M M M I | 40 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 60 | Angiectasis | | 1 3.0| Hematopoietic Cell Proliferation | 2 3 1 | 13 2.2| Hyperplasia, Lymphoid | 2 | 8 2.0| Hyperplasia, Mononuclear Cell | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + M + + + | 57 | Atrophy | | 1 3.0| Epithelial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 60 | Cyst Epithelial Inclusion | | 1 | Inflammation, Suppurative | 4 | 2 4.0| Subcutaneous Tissue, Inflammation, | | | Chronic | 4 | 10 3.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 102 NTP Experiment-Test: 05133-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ACETONITRILE Date: 04/18/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 13:07:05 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| | | DAY ON TEST | 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | | | 3| 3| 3| 3| 3| 3| 2| 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 | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 200 PPM | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| | L | | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + | 60 | Mineralization | 1 1 | 20 1.3| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + | 60 | Hemorrhage | 2 | 1 2.0| Inflammation, Chronic, Focal | | 1 3.0| Inflammation, Granulomatous | | 1 2.0| Alveolar Epithelium, Hyperplasia | 2 | 4 1.8| Perivascular, Infiltration Cellular, | | | Mononuclear Cell | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + | 60 | Inflammation, Suppurative | | 2 1.0| Olfactory Epithelium, Atrophy | | 1 1.0| Olfactory Epithelium, Metaplasia | | 1 1.0| Respiratory Epithelium, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 60 | Hydronephrosis | | 6 1.2| Hyperplasia, Cystic | | 2 2.0| Inflammation, Suppurative | | 2 2.5| Nephropathy | 1 1 1 1 1 1 1 1 1 | 43 1.0| Cortex, Cyst | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + | 60 | Dilatation | 4 | 3 3.3| Inflammation, Chronic | | 1 4.0| Inflammation, Suppurative | | 1 4.0| Ulcer | | 1 4.0| Transitional Epithelium, 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 103 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