TDMS Study 60968-01 Pathology Tables
NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 CORE STUDY Facility: Battelle Northwest Chemical CAS #: 0078-84-2 Lock Date: 06/01/94 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Periesophageal Tissue, Inflammation, | | Chronic Active | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | X | Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X | Basophilic Focus, Multiple | X X | Clear Cell Focus | X X | Clear Cell Focus, Multiple | X | Hepatodiaphragmatic Nodule | X X X | Inflammation, Granulomatous | 2 2 | Vacuolization Cytoplasmic | 4 3 4 | Hepatocyte, Hyperplasia | | Serosa, Hemorrhage | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 3 | __________________________________________________________________________| Oral Mucosa | + + | Fibrosis | | Hyperplasia | | Inflammation, Chronic | | Pharyngeal, Hyperplasia | 3 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Hyperplasia | 3 3 3| Inflammation, Suppurative | 2 | Ulcer | 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tongue | + | Epithelium, Hyperplasia | 4 | __________________________________________________________________________| Tooth | | Developmental Malformation | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 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 | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Atrium, Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Vacuolization Cytoplasmic | 2 1 3 2 1 2 1 3 3 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 3 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + M + + + + + + + M + + + + + + + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 2 3 | Pars Distalis, Hyperplasia | 2 2 1 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Cyst | 4 3 4 | Hyperplasia | | Inflammation, Suppurative | 4 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Endometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + M + + + + + + + + + + M + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hemorrhage | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + M + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 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 | | | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X X X X | Fibrosis | | Hematopoietic Cell Proliferation | 3 | Hemorrhage | | __________________________________________________________________________| Thymus | + + + + + + M + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | | Inflammation, Chronic | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Hyperplasia | | Inflammation, Granulomatous | | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 2 | Ventricle, Hydrocephalus | 3 3 2 | __________________________________________________________________________| Peripheral Nerve | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X| Epiglottis, Metaplasia, Squamous | 1 | Epithelium, Hyperplasia | 2 2 3 | Epithelium, Metaplasia, Squamous | 1 2 | Glands, Inflammation, Suppurative | 3 4 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 3| Inflammation, Granulomatous | 1 | Alveolar Epithelium, Fibrosis | 2 2 | Alveolar Epithelium, Foreign Body | X | Alveolar Epithelium, Hyperplasia | | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 2 1 1 | Bronchiole, Hyperplasia | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 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 | | | | Foreign Body | | Inflammation, Suppurative | 1 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 3 | Nasolacrimal Duct, Metaplasia, | | Squamous | 3 | Respiratory Epithelium, Hyperplasia | | Respiratory Epithelium, Metaplasia, | | Squamous | | __________________________________________________________________________| Pleura | | Inflammation | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Lens, Cataract | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 2 1 1 1 3 1 2 2 1 2 1 1 1 2 2 1 1| Medulla, Renal Tubule, Cyst | | Renal Tubule, Mineralization | 1 1 1 2 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 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| L | | 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 + + + + + + + + + + + + + + + + + + + + + +| 49 | Periesophageal Tissue, Inflammation, | | | Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Diverticulum | | 1 | Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | X X X | 6 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | | 4 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + A + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + A + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Liver | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 2| 1 2.0| Basophilic Focus | X | 2 | Basophilic Focus, Multiple | X | 3 | Clear Cell Focus | X X | 4 | Clear Cell Focus, Multiple | X X X X | 5 | Hepatodiaphragmatic Nodule | X X X | 6 | Inflammation, Granulomatous | | 2 2.0| Vacuolization Cytoplasmic | 4 3 | 5 3.6| Hepatocyte, Hyperplasia | 3 | 1 3.0| Serosa, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + + +| 7 | Fat, Necrosis | 4 3 3| 5 3.2| __________________________________________________________________________|____________| Oral Mucosa | + + | 4 | Fibrosis | 4 | 1 4.0| Hyperplasia | 2 | 1 2.0| Inflammation, Chronic | 3 | 1 3.0| Pharyngeal, Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 1 | 3 1.7| __________________________________________________________________________|____________| Salivary Glands | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | 3 | 1 3.0| Hyperplasia | 3 2 | 5 2.8| Inflammation, Suppurative | | 1 2.0| Ulcer | | 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 6 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Glandular | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Tongue | | 1 | Epithelium, Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Tooth | + | 1 | Developmental Malformation | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 | 1 2.0| Atrium, Thrombosis | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 1 | 1 1.0| Vacuolization Cytoplasmic | 4 3 2 | 12 2.3| __________________________________________________________________________|____________| Adrenal Medulla | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 | 4 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + A + + + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Pituitary Gland | + + A + + + + + + + + + + + + M + + + + + + + + +| 48 | Cyst | 3 3 | 6 2.8| Pars Distalis, Hyperplasia | 2 3 4 3 | 9 2.3| __________________________________________________________________________|____________| Thyroid Gland | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 1 1 1 1| 8 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Cyst | 4 3 3 3| 7 3.4| Hyperplasia | 4 3| 2 3.5| Inflammation, Suppurative | 3 | 2 3.5| __________________________________________________________________________|____________| Ovary | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Uterus | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Endometrium, Hyperplasia | 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 7 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 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| L | | 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 | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + A + + + + + + + M + + + + + + + + M + + + + +| 45 | Hyperplasia, Lymphoid | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 4 | 1 4.0| Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Spleen | | 4 | Fibrosis | 3 3 | 2 3.0| Hematopoietic Cell Proliferation | | 1 3.0| Hemorrhage | 4 | 1 4.0| __________________________________________________________________________|____________| Thymus | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 2 | 1 2.0| Inflammation, Chronic | 3 | 1 3.0| __________________________________________________________________________|____________| Skin | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | 4 | 1 4.0| Hyperplasia | 4 | 1 4.0| Inflammation, Granulomatous | 3 | 1 3.0| Ulcer | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | 4 2 | 4 2.8| Ventricle, Hydrocephalus | 3 2 | 5 2.6| __________________________________________________________________________|____________| Peripheral Nerve | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 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| L | | 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 | | | | | | Foreign Body | X X X X| 6 | Epiglottis, Metaplasia, Squamous | 2 | 2 1.5| Epithelium, Hyperplasia | 2 2 | 5 2.2| Epithelium, Metaplasia, Squamous | 2 2 3| 5 2.0| Glands, Inflammation, Suppurative | 2 2 4| 5 3.0| __________________________________________________________________________|____________| Lung | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 3 2.0| Inflammation, Granulomatous | | 1 1.0| Alveolar Epithelium, Fibrosis | 3 3| 4 2.5| Alveolar Epithelium, Foreign Body | | 1 | Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| Alveolar Epithelium, Infiltration | | | Cellular, Histiocyte | 1 1 3 2 2 4 1| 10 1.8| Bronchiole, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Nose | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | X X | 2 | Inflammation, Suppurative | | 2 1.5| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 3.0| Nasolacrimal Duct, Metaplasia, | | | Squamous | | 1 3.0| Respiratory Epithelium, Hyperplasia | 1| 1 1.0| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 1 2.0| __________________________________________________________________________|____________| Pleura | +| 1 | Inflammation | 3| 1 3.0| __________________________________________________________________________|____________| Trachea | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | Lens, Cataract | 3 | 2 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Nephropathy, Chronic | 3 1 2 3 1 1 2 3 1 1 2 2 1 1 1 1 4 2| 35 1.6| Medulla, Renal Tubule, Cyst | 3 | 1 3.0| Renal Tubule, Mineralization | | 5 1.2| __________________________________________________________________________|____________| Urinary Bladder | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Transitional Epithelium, Hyperplasia | 3 | 2 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 500 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + A + + + + + + + A + + + + + + + + A + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + + + + A + + + + + + + + A + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Cecum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + + + + A + + + + + + + + A + + + +| Parasite Metazoan | X | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Clear Cell Focus | X | Clear Cell Focus, Multiple | X | Eosinophilic Focus | | Hepatodiaphragmatic Nodule | X X X | Vacuolization Cytoplasmic | 4 | __________________________________________________________________________| Mesentery | + + | Artery, Inflammation, Chronic | | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + A + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3| Artery, Inflammation, Chronic | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + A + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2| Ulcer | 4 | __________________________________________________________________________| Stomach, Glandular | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + A + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 2 1 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + M + + + + + + + + + + + + +| Hyperplasia | 4 2 | __________________________________________________________________________| Islets, Pancreatic | + + + A + + + + + + + A + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + M M + + + + + + M M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 500 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Cyst | 4 3 2 3 2 1 3 4 4 | Hemorrhage | 4 3| Pars Distalis, Hyperplasia | 3 2 3 | __________________________________________________________________________| Thyroid Gland | + + + A + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 4 3 4 | Hyperplasia | 4 3 | Inflammation, Suppurative | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2| Endometrium, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hemorrhage | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + M + + + + + + + + + +| Fibrosis | | __________________________________________________________________________| Spleen | + + + A + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | | Angiectasis | | Fibrosis | 3 2 | Hematopoietic Cell Proliferation | 4 | Hemorrhage | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 3 2 3 | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 500 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Inflammation, Suppurative | 2 | Ulcer | 3 | Epidermis, Cyst | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Fracture | | Cranium, Femur, Osteopetrosis | 4 | Maxilla, Fracture | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + A + + + + + + + + + + + + + + + + + + + + +| Gliosis | | Hemorrhage | 2 | Necrosis | | Ventricle, Hydrocephalus | 3 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Suppurative | | Epithelium, Hyperplasia | | Epithelium, Metaplasia, Squamous | | Glands, Inflammation, Suppurative | 1 1 1 1 1 2 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Fibrosis | 2 | Alveolar Epithelium, Hyperplasia | 2 1 4 | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 1 2 1 1 3 2| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 | Foreign Body | X X| Hemorrhage | | Inflammation, Suppurative | 2 | Respiratory Epithelium, Metaplasia, | | Squamous | 2 1 1 | __________________________________________________________________________| Pleura | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cornea, Mineralization | | Lens, Cataract | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 500 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | | | __________________________________________________________________________| Kidney | + + + A + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 3 1 1 1 1 1 3 2 1 2 1| Renal Tubule, Mineralization | 2 | __________________________________________________________________________| Urinary Bladder | + + + A + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 500 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Parasite Metazoan | X X| 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Parasite Metazoan | X | 2 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Clear Cell Focus | X X X X| 5 | Clear Cell Focus, Multiple | | 1 | Eosinophilic Focus | X | 1 | Hepatodiaphragmatic Nodule | X X X | 6 | Vacuolization Cytoplasmic | 4 | 2 4.0| __________________________________________________________________________|____________| Mesentery | + + + + +| 7 | Artery, Inflammation, Chronic | 4 | 1 4.0| Fat, Necrosis | 3 3 4 | 4 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | | 2 3.0| Artery, Inflammation, Chronic | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 2 2.5| Ulcer | 4 | 2 4.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | + | 1 | Inflammation, Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Vacuolization Cytoplasmic | 2 2 2 | 5 1.8| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 500 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| L | | 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 | | 2 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 3 1 4 1| 14 2.6| Hemorrhage | | 2 3.5| Pars Distalis, Hyperplasia | 2 2 3 | 6 2.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 2 2 2 2 1 | 7 1.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 3 3 2 4 3 3 | 11 3.3| Hyperplasia | 3 2 | 4 3.0| Inflammation, Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 | 1 3.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 2.0| Endometrium, Hyperplasia | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 4 | 1 4.0| Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Spleen | X | 1 | Angiectasis | 4 | 1 4.0| Fibrosis | | 2 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 500 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| L | | 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 | | 1 4.0| Hemorrhage | 3 4 | 2 3.5| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelium, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 4 | 4 3.0| Inflammation, Suppurative | | 1 2.0| Ulcer | 3 4 | 3 3.3| Epidermis, Cyst | 3 4 | 2 3.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cranium, Fracture | 4 | 1 4.0| Cranium, Femur, Osteopetrosis | | 1 4.0| Maxilla, Fracture | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Gliosis | 3 | 1 3.0| Hemorrhage | 3 | 2 2.5| Necrosis | 4 | 1 4.0| Ventricle, Hydrocephalus | 4 | 3 3.3| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X X | 2 | Inflammation, Suppurative | 4 | 1 4.0| Epithelium, Hyperplasia | 3 | 1 3.0| Epithelium, Metaplasia, Squamous | 2 | 1 2.0| Glands, Inflammation, Suppurative | 1 1 1 1 | 11 1.1| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Fibrosis | 1| 2 1.5| Alveolar Epithelium, Hyperplasia | 2 2 1 | 6 2.0| Alveolar Epithelium, Infiltration | | | Cellular, Histiocyte | 2 2 1 1| 10 1.6| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 500 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| L | | 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 | | | | | | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 1 | 2 1.0| Foreign Body | | 2 | Hemorrhage | 4 | 1 4.0| Inflammation, Suppurative | 3 1 | 3 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | 1 1 1 3 1 2 1 1| 11 1.4| __________________________________________________________________________|____________| Pleura | + | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Cornea, Mineralization | 2 | 1 2.0| Lens, Cataract | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Nephropathy, Chronic | 2 2 2 2 1 3 2 2 1 2 3 1 1 1 2 1 1 1 1 | 30 1.6| Renal Tubule, Mineralization | 2 | 2 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 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| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + A + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Cecum | + + + A + + + + + + + + + + + + + + + + + + + + +| Diverticulum | X | Parasite Metazoan | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X X X | Clear Cell Focus, Multiple | X | Hepatodiaphragmatic Nodule | X X X X X X | Vacuolization Cytoplasmic | 3 | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 3 | __________________________________________________________________________| Oral Mucosa | + + | Inflammation, Suppurative | 2 | Gingival, Inflammation, Suppurative | 4 | Pharyngeal, Hyperplasia | 3 | __________________________________________________________________________| Pancreas | + + + A + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 3| Inflammation, Suppurative | 2 | Ulcer | 2 2 4 4| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tongue | | __________________________________________________________________________| Tooth | + + | Developmental Malformation | X | Inflammation, Suppurative | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 2 2 1 3 2 2 1| __________________________________________________________________________| Adrenal Medulla | + + + M + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 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| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + A + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 2 2 3 3 4 | Hemorrhage | 2 | Pars Distalis, Hyperplasia | 3 4 | Pars Distalis, Hypertrophy | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 1 1 2 3 2 | Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 2 2 2 | Hyperplasia | 3 | Inflammation, Suppurative | 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Cervix, Hypertrophy | | Endometrium, Hyperplasia | 2 | Endometrium, Metaplasia, Squamous | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | Renal, Pigmentation | 3 | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + + + M + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 3 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spleen | + + + A + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | | Fibrosis | | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 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| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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 | | | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Ulcer | 3 | Epidermis, Cyst | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 4 4| Ventricle, Hydrocephalus | 2 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + A + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X 1 X X | Inflammation, Suppurative | 1 | Epiglottis, Metaplasia, Squamous | 1 1 | Epithelium, Metaplasia, Squamous | 1 1 1 | Glands, Inflammation, Suppurative | 3 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 2 | Alveolar Epithelium, Fibrosis | 2 3| Alveolar Epithelium, Hyperplasia | 3 4 | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 1 3 2 1 1 1 2 | __________________________________________________________________________| Nose | + + + A + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 1 | Foreign Body | X X X | Inflammation, Suppurative | 4 2 | Olfactory Epithelium, Degeneration | | Respiratory Epithelium, Hyperplasia | | Respiratory Epithelium, Metaplasia, | | Squamous | 2 | __________________________________________________________________________| Trachea | + + + A + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Lens, Cataract | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 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| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 2 1 1 1 2 1 2 1 1 2 2 2 1 | Pelvis, Dilatation | 3 | Renal Tubule, Inflammation, | | Suppurative | | Renal Tubule, Mineralization | 1 1 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Diverticulum | | 1 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 3 | Clear Cell Focus | | 3 | Clear Cell Focus, Multiple | X X | 3 | Hepatodiaphragmatic Nodule | X | 7 | Vacuolization Cytoplasmic | 2 | 2 2.5| __________________________________________________________________________|____________| Mesentery | + + + + + + | 8 | Fat, Necrosis | 3 3 3 3 1 | 6 2.7| __________________________________________________________________________|____________| Oral Mucosa | | 2 | Inflammation, Suppurative | | 1 2.0| Gingival, Inflammation, Suppurative | | 1 4.0| Pharyngeal, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 1 | 3 1.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 4 | 5 2.8| Inflammation, Suppurative | | 1 2.0| Ulcer | 3 | 5 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Tongue | + | 1 | __________________________________________________________________________|____________| Tooth | | 2 | Developmental Malformation | | 1 | Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 22 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 1 | 9 1.8| __________________________________________________________________________|____________| Adrenal Medulla | + + M + + + M + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + M + M + + + + + + + + + + M + + + +| 46 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 1 1 4 1 1 1 4| 13 2.2| Hemorrhage | 4| 2 3.0| Pars Distalis, Hyperplasia | 3 3 4 3 | 6 3.3| Pars Distalis, Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 3 2 | 9 1.8| Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + + | 3 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 4 3 4 3 3 3 4 4 3 | 14 3.1| Hyperplasia | | 1 3.0| Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 1 3 | 3 2.3| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 2.0| Cervix, Hypertrophy | 4 | 1 4.0| Endometrium, Hyperplasia | 3 | 2 2.5| Endometrium, Metaplasia, Squamous | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Renal, Pigmentation | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + M + + + + + + + + + + + + + + + + + + +| 46 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 23 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 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| L | | 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, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 2 3.0| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Spleen | X X | 2 | Fibrosis | 3 | 1 3.0| Hematopoietic Cell Proliferation | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 1 1| 3 1.7| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 4 | 1 4.0| Ulcer | | 1 3.0| Epidermis, Cyst | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 4 3| 5 3.4| Ventricle, Hydrocephalus | 2 | 3 2.3| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + I + + +| 48 | Foreign Body | X X | 7 1.0| Inflammation, Suppurative | 2 1 | 3 1.3| Epiglottis, Metaplasia, Squamous | 2 1 | 4 1.3| Epithelium, Metaplasia, Squamous | 1 2 1 | 6 1.2| Glands, Inflammation, Suppurative | 1 1 1 | 4 1.5| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 1 | 4 1.8| Alveolar Epithelium, Fibrosis | | 2 2.5| Alveolar Epithelium, Hyperplasia | 2| 3 3.0| Alveolar Epithelium, Infiltration | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 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| L | | 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 | | | | | | Cellular, Histiocyte | 2 1 1 2| 11 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 1 1 2 | 5 1.2| Foreign Body | X X | 5 | Inflammation, Suppurative | 2 2 4 | 5 2.8| Olfactory Epithelium, Degeneration | 1 1 | 2 1.0| Respiratory Epithelium, Hyperplasia | 2 | 1 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | 1 2 1 1 1 1 2 2 | 9 1.4| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Lens, Cataract | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 3 1 2 3 1 1 1 2 1 2 2 1 2 2 1 1| 30 1.5| Pelvis, Dilatation | | 1 3.0| Renal Tubule, Inflammation, | | | Suppurative | 2 | 1 2.0| Renal Tubule, Mineralization | 1 | 5 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | 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 25 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 4| 7| 6| 6| DAY ON TEST | 3| 2| 3| 4| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 7| 3| 3| 4| | 5| 4| 5| 2| 6| 4| 5| 5| 5| 4| 4| 4| 4| 4| 9| 5| 6| 4| 5| 5| 4| 1| 5| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + A + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + A + + + + A + + +| Parasite Metazoan | X X X X | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | X | Clear Cell Focus, Multiple | X X| Eosinophilic Focus | | Hepatodiaphragmatic Nodule | X X X | Vacuolization Cytoplasmic | 3 2 2 2 | Hepatocyte, Necrosis | 2 | __________________________________________________________________________| Mesentery | + + + | Fat, Necrosis | 3 2 3 | __________________________________________________________________________| Oral Mucosa | + | Pharyngeal, Hyperplasia | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 3 | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tongue | + | Epithelium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 2 1 3 1 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 3 3 3 1 2 2 4| Pars Distalis, Hyperplasia | 2 3 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 4| 7| 6| 6| DAY ON TEST | 3| 2| 3| 4| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 7| 3| 3| 4| | 5| 4| 5| 2| 6| 4| 5| 5| 5| 4| 4| 4| 4| 4| 9| 5| 6| 4| 5| 5| 4| 1| 5| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2000 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | C-Cell, Hyperplasia | 2 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Cyst | 3 3 | Hyperplasia | 1 | Inflammation, Suppurative | 1 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Endometrium, Cyst | | __________________________________________________________________________| Vagina | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 3 3 | Hematopoietic Cell Proliferation | | Hemorrhage | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 | Epidermis, Cyst | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Ventricle, Hydrocephalus | | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 4| 7| 6| 6| DAY ON TEST | 3| 2| 3| 4| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 7| 3| 3| 4| | 5| 4| 5| 2| 6| 4| 5| 5| 5| 4| 4| 4| 4| 4| 9| 5| 6| 4| 5| 5| 4| 1| 5| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2000 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| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X | Inflammation, Suppurative | 3 | Epiglottis, Metaplasia, Squamous | 1 1 2 | Epithelium, Hyperplasia | 4 | Epithelium, Metaplasia, Squamous | 2 1 1 3 1 2 | Glands, Inflammation, Suppurative | 1 1 1 1 1 1 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 | Alveolar Epithelium, Fibrosis | 1 1 | Alveolar Epithelium, Hyperplasia | 1 2 | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 2 2 1 2 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X X X | Inflammation, Suppurative | 1 2 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | 2| Nasolacrimal Duct, Metaplasia, | | Squamous | 2| Olfactory Epithelium, Degeneration | 1 2 2 1 1 2 2 2 1 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1| Respiratory Epithelium, Hyperplasia | | Respiratory Epithelium, Metaplasia, | | Squamous | 2 2 2 2 3 2 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Lens, Cataract | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 2 1 3 2 2 2 1 1 2 2 3 2 1 2 1 1 2 1 2 1 2| Cortex, Necrosis | 2 | Pelvis, Dilatation | | Renal Tubule, Degeneration | | Renal Tubule, Inflammation, | | Suppurative | 2 | Renal Tubule, Mineralization | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + A + + + + + + + + + + + + + + + + + + + + + + +| 47 | Parasite Metazoan | | 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | + A + + + + + + + + + + + + + + + + + + + + + + +| 47 | Parasite Metazoan | | 4 | __________________________________________________________________________|____________| Intestine Large, Cecum | + A + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + A + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Clear Cell Focus | X X | 3 | Clear Cell Focus, Multiple | | 2 | Eosinophilic Focus | X | 1 | Hepatodiaphragmatic Nodule | X X | 5 | Vacuolization Cytoplasmic | 2 3 4 | 7 2.6| Hepatocyte, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + | 4 | Fat, Necrosis | 3 | 4 2.8| __________________________________________________________________________|____________| Oral Mucosa | + + | 3 | Pharyngeal, Hyperplasia | 4 | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 3 | 5 2.4| Ulcer | 2 4 | 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Tongue | + | 2 | Epithelium, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 4 | 2 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 1 2 1 3 2 4 | 11 2.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 29 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 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| L | | 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 | | | | | | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 2 3 | 11 2.7| Pars Distalis, Hyperplasia | 3 2 | 5 2.4| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 3 1 3 | 6 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| 48 | Cyst | 4 3 2 3 3 3 4 | 9 3.1| Hyperplasia | | 1 1.0| Inflammation, Suppurative | 3 3 | 3 2.3| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 | 2 2.5| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Endometrium, Cyst | 4 | 1 4.0| __________________________________________________________________________|____________| Vagina | + | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + | 5 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + M + + + + + + + M +| 46 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 | 4 3.0| Hematopoietic Cell Proliferation | 4 | 1 4.0| Hemorrhage | 4 2 | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 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 30 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Epidermis, Cyst | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Ventricle, Hydrocephalus | 3 3 | 2 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X X | 4 | Inflammation, Suppurative | 2 1 1 1 3 | 6 1.8| Epiglottis, Metaplasia, Squamous | 1 1 1 | 6 1.2| Epithelium, Hyperplasia | | 1 4.0| Epithelium, Metaplasia, Squamous | 2 1 1 2 | 10 1.6| Glands, Inflammation, Suppurative | 1 | 8 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 2 | 4 1.8| Alveolar Epithelium, Fibrosis | | 2 1.0| Alveolar Epithelium, Hyperplasia | 1 | 3 1.3| Alveolar Epithelium, Infiltration | | | Cellular, Histiocyte | 1 2 | 7 1.6| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X | 5 | Inflammation, Suppurative | 1 2 2 1 3 2 1 3 | 11 1.7| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| Nasolacrimal Duct, Metaplasia, | | | Squamous | | 1 2.0| Olfactory Epithelium, Degeneration | 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 2 1 1 2 1 1| 45 1.3| Respiratory Epithelium, Hyperplasia | 2 | 1 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | 3 1 1 1 2 1 2 1 1 1 3 1 1 1 1 1 1 2 3 1 1| 44 1.4| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 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| L | | 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 | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Lens, Cataract | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 2 1 2 1 1 3 2 1 2 2 1 2 1 2 | 36 1.7| Cortex, Necrosis | | 1 2.0| Pelvis, Dilatation | 4 | 1 4.0| Renal Tubule, Degeneration | 4 | 1 4.0| Renal Tubule, Inflammation, | | | Suppurative | | 1 2.0| Renal Tubule, Mineralization | 2 1 | 2 1.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 | Clear Cell Focus | X | Eosinophilic Focus | X | Hepatodiaphragmatic Nodule | X X X X | Vacuolization Cytoplasmic | 3 2 4 3 4 | Bile Duct, Hyperplasia | 2 | Hepatocyte, Degeneration, Cystic | 4 3 | Hepatocyte, Hyperplasia | 4 | Hepatocyte, Necrosis | | __________________________________________________________________________| Mesentery | + + + + +| Fat, Inflammation, Granulomatous | | Fat, Necrosis | 3 4 4 4 2| __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 3 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 4 3 | Hyperplasia | 1 1 1 | Ulcer | 3 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 3 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 2 | Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Vacuolization Cytoplasmic | 3 2 3 | __________________________________________________________________________| Adrenal Medulla | M + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | 3 2 2 2 2 2 3 4 2 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + M| Hyperplasia | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Hemorrhage | 4 | Pars Distalis, Hyperplasia | 3 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 3 | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Granulomatous | | Inflammation, Suppurative | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Hyperplasia | 2 4 | Inflammation, Chronic | | Inflammation, Suppurative | 4 2 4 3 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 4 | Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation | 3 3 | Germinal Epithelium, Atrophy | 4 4 | Interstitial Cell, Hyperplasia | 3 3 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + + + + + + + + + + +| Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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 | | | | Hemorrhage | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Fibrosis | 4 3 3 3 4 | Hemorrhage | 3 4 4 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 4 4 2| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation, Granulomatous | 2 | Inflammation, Suppurative | 4 3 4 | Ulcer | 4 | Epidermis, Cyst | 4 | Subcutaneous Tissue, Hemorrhage | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 4 4 | Ventricle, Hydrocephalus | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X | Epithelium, Hyperplasia | 2 | Epithelium, Metaplasia, Squamous | 2 | Glands, Inflammation, Suppurative | 3 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 1 1 2 2 2 | Alveolar Epithelium, Foreign Body | | Alveolar Epithelium, Hyperplasia | 3 4 | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 2 2 | Foreign Body | | Inflammation, Suppurative | 1 | Respiratory Epithelium, Hyperplasia | | Respiratory Epithelium, Metaplasia, | | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS 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 | | | | Squamous | | __________________________________________________________________________| Pleura | + | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | Cataract | 4 2 3 | Cornea, Mineralization | | Lens, Mineralization | 4 | __________________________________________________________________________| Lacrimal Gland | + | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 2 2 2 4 2 4 2 4 3 2 3 3 3 4 3 4 1 2 3 2 3 2| Pelvis, Transitional Epithelium, | | Hyperplasia | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | Inflammation, Suppurative | 3 | Transitional Epithelium, Hyperplasia | 2 1 2 | _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X X X X | 4 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + A + + + + + + + +| 47 | Parasite Metazoan | X X| 2 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + A + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + A + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 | 2 3.5| Clear Cell Focus | X X | 3 | Eosinophilic Focus | | 1 | Hepatodiaphragmatic Nodule | X | 5 | Vacuolization Cytoplasmic | 3 2 3 2 3 | 10 2.9| Bile Duct, Hyperplasia | 3 3 3 | 4 2.8| Hepatocyte, Degeneration, Cystic | | 2 3.5| Hepatocyte, Hyperplasia | | 1 4.0| Hepatocyte, Necrosis | 3 3 | 2 3.0| __________________________________________________________________________|____________| Mesentery | + + + + + + | 11 | Fat, Inflammation, Granulomatous | 3 | 1 3.0| Fat, Necrosis | 3 3 4 3 3 | 10 3.3| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 3 3 1 3 | 9 2.4| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Edema | 3 | 3 3.3| Hyperplasia | 2 2 | 5 1.4| Ulcer | 4 | 4 3.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | | 2 2.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 41 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 | 6 2.0| Atrium, Thrombosis | 3 | 2 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 37 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 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| L | | 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 | | | | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Vacuolization Cytoplasmic | | 3 2.7| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 4 3 2 3 3 1 2 3 3| 20 2.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 3 | 2 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 2 | 3 3.3| Hemorrhage | 3 | 2 3.5| Pars Distalis, Hyperplasia | 1 2 | 4 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | | 3 2.3| Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + + | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Granulomatous | 2 2 | 2 2.0| Inflammation, Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 3 | 3 3.7| Hyperplasia | 4 3 | 4 3.3| Inflammation, Chronic | 3 | 1 3.0| Inflammation, Suppurative | 4 3 3 4 | 9 3.4| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 3 | 4 3.0| Epithelium, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelium, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation | 3 | 3 3.0| Germinal Epithelium, Atrophy | 4 3 4 4 4 | 7 3.9| Interstitial Cell, Hyperplasia | 1 2 3| 7 2.6| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 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| L | | 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 | | | | | | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 15 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + M + + + M + + + + + + + + + + + + +| 46 | Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + M + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | | 1 | Fibrosis | 1 3 3 3 3 | 10 3.0| Hemorrhage | | 3 3.7| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 4 4 | 5 3.6| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 2 4 | 2 3.0| Inflammation, Granulomatous | 3 | 2 2.5| Inflammation, Suppurative | | 3 3.7| Ulcer | | 1 4.0| Epidermis, Cyst | 2 4 4| 4 3.5| Subcutaneous Tissue, Hemorrhage | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 4 | 4 3.8| Ventricle, Hydrocephalus | 3 3 | 3 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 39 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 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| L | | 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 | | | | | | Epithelium, Hyperplasia | | 1 2.0| Epithelium, Metaplasia, Squamous | | 1 2.0| Glands, Inflammation, Suppurative | 3 3 | 4 2.5| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 1 | 7 1.6| Alveolar Epithelium, Foreign Body | X | 1 | Alveolar Epithelium, Hyperplasia | 2 3 1 | 5 2.6| Alveolar Epithelium, Infiltration | | | Cellular, Histiocyte | 2 | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 2 | 5 1.8| Foreign Body | X X X X X | 5 | Inflammation, Suppurative | 3 3 4 2 | 5 2.6| Respiratory Epithelium, Hyperplasia | 2 2 | 2 2.0| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 1 2.0| __________________________________________________________________________|____________| Pleura | | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 4 | Cataract | | 3 3.0| Cornea, Mineralization | 3 | 1 3.0| Lens, Mineralization | | 1 4.0| __________________________________________________________________________|____________| Lacrimal Gland | | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 4 1 3 2 1 3 3 4 3 2 3 1 4 3 4 3 2 3 2 3 2 3 4 1| 47 2.7| Pelvis, Transitional Epithelium, | | | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Calculus Micro Observation Only | | 1 | Inflammation, Suppurative | | 1 3.0| Transitional Epithelium, Hyperplasia | 2 | 4 1.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 40 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 500 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + M + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 4 2 3 | Basophilic Focus | X | Clear Cell Focus | X X | Hepatodiaphragmatic Nodule | X X | Vacuolization Cytoplasmic | 3 | Bile Duct, Hyperplasia | 4 | Hepatocyte, Degeneration, Cystic | 2 2 3 4 | Hepatocyte, Hyperplasia | | Hepatocyte, Necrosis | | __________________________________________________________________________| Mesentery | + + + + | Fat, Hemorrhage | | Fat, Inflammation, Granulomatous | 4 | Fat, Necrosis | 4 3 3 | __________________________________________________________________________| Oral Mucosa | + + | Cyst | 3 | Pharyngeal, Hyperplasia | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 3 3 2 | __________________________________________________________________________| Salivary Glands | + M + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 2 2 | Inflammation, Suppurative | | Necrosis | | Ulcer | 4 4 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3| Ulcer | 3| __________________________________________________________________________| Tooth | + | Developmental Malformation | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 500 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 | | | | Cardiomyopathy | | Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia | | Vacuolization Cytoplasmic | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 4 2 4 1 2 3 4 2 4 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 4 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Hemorrhage | 4 4 | Pars Distalis, Hyperplasia | 3 3 3 2 3 4 3 | Pars Distalis, Hypertrophy | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 4 3 4 | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 2 3 4 2| Hyperplasia | 3 | Inflammation, Suppurative | 3 3| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 4 3 | Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 4 | Epithelium, Hyperplasia | 4 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Atrophy | 4 4 | Interstitial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 500 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 | + + +| Iliac, Ectasia | 4| __________________________________________________________________________| Lymph Node, Bronchial | + + + + M + + + + + + + + + + + M + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M + + + + +| Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hyperplasia, Histiocytic | 4 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Angiectasis | 4 | Fibrosis | 3 2 3 3 3 3 2 3| Hemorrhage | | Necrosis | 4 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | Hyperkeratosis | 1 4 3 4 4 4 4 | Hyperplasia | 3 | Ulcer | 4 | Epidermis, Cyst | 3 | Sebaceous Gland, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Cranium, Fibrosis | | Cranium, Inflammation, Granulomatous | | __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 2 2 4 | Ventricle, Hydrocephalus | | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| Page 43 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 500 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 | | | | Epithelium, Hyperplasia | | Epithelium, Metaplasia, Squamous | 1 | Glands, Inflammation, Suppurative | 1 2 1 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Alveolar Epithelium, Fibrosis | 3 2 | Alveolar Epithelium, Hyperplasia | 2 3 2 3 | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 3 3 3 4 2 3 | Bronchiole, Bronchus, Interstitium, | | Fibrosis | | Interstitium, Mineralization | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 2| Foreign Body | X X | Inflammation, Suppurative | | Respiratory Epithelium, Metaplasia, | | Squamous | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | I + | Lens, Cataract | 3 | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 3 3 1 3 2 2 2 2 3 4 2 4 3 3 4 2 2 2 4 2 4 2 1 4| Cortex, Necrosis | | Renal Tubule, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | Inflammation, Suppurative | | Ulcer | | Transitional Epithelium, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| Page 44 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 500 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| L | | 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 + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X | 2 | __________________________________________________________________________|____________| Intestine Large, Rectum | M + + + + + + + + + A + + + + + + + + + + + + + +| 47 | Parasite Metazoan | X X X | 3 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Angiectasis | 3 2 | 6 2.8| Basophilic Focus | X | 2 | Clear Cell Focus | | 2 | Hepatodiaphragmatic Nodule | X X | 4 | Vacuolization Cytoplasmic | 4 2 3 4 4 | 6 3.3| Bile Duct, Hyperplasia | 4 | 2 4.0| Hepatocyte, Degeneration, Cystic | 3 | 5 2.8| Hepatocyte, Hyperplasia | 3 3 | 2 3.0| Hepatocyte, Necrosis | 3 3 | 2 3.0| __________________________________________________________________________|____________| Mesentery | + + + + + + + +| 12 | Fat, Hemorrhage | 4| 1 4.0| Fat, Inflammation, Granulomatous | | 1 4.0| Fat, Necrosis | 4 2 3 3 3 3 4 | 10 3.2| __________________________________________________________________________|____________| Oral Mucosa | + | 3 | Cyst | | 1 3.0| Pharyngeal, Hyperplasia | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + A + + + + + + + + + + + + + M| 48 | Atrophy | 2 2 2 2 | 8 2.1| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 3 3 2 | 9 2.1| Inflammation, Suppurative | 3 | 1 3.0| Necrosis | 2 | 1 2.0| Ulcer | 2 4 | 5 3.6| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | | 1 3.0| Ulcer | | 1 3.0| __________________________________________________________________________|____________| Tooth | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 500 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| L | | 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 | | | | | | Developmental Malformation | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Cardiomyopathy | 2 | 1 2.0| Atrium, Thrombosis | 2 | 2 2.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 3.0| Hyperplasia | 3 | 1 3.0| Vacuolization Cytoplasmic | 3 4 2 3 2 | 6 2.7| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 2 4 2 | 16 2.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 | 3 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + M +| 48 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Cyst | 3 | 2 3.0| Hemorrhage | 4 1 | 4 3.3| Pars Distalis, Hyperplasia | 3 2 | 9 2.9| Pars Distalis, Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 3 2 | 5 3.2| Follicular Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Cyst | 4 3 3 4| 10 3.1| Hyperplasia | | 1 3.0| Inflammation, Suppurative | 3 | 3 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 3 | 4 3.3| __________________________________________________________________________________________________________________________________ * : 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 46 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 500 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| L | | 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 | | | | | | Epithelium, Hyperplasia | 2 3 | 3 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | | 1 4.0| Epithelium, Hyperplasia | | 1 4.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Germinal Epithelium, Atrophy | 2 3 4 3 | 6 3.3| Interstitial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + + + + + +| 10 | Iliac, Ectasia | | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + A + + + + + M + + + + + + + +| 46 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + M + A M + + + + + + + + + + + + +| 46 | Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 2.0| Hyperplasia, Histiocytic | | 1 4.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Accessory Spleen | | 1 | Angiectasis | | 1 4.0| Fibrosis | 4 2 4 3 3 2 3 2 3 4 | 18 2.9| Hemorrhage | 4| 1 4.0| Necrosis | | 1 4.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Epithelium, Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 3 | 1 3.0| Hyperkeratosis | 4 4 3 3 4 3 | 13 3.5| Hyperplasia | 3 3 2 4 | 5 3.0| Ulcer | | 1 4.0| Epidermis, Cyst | | 1 3.0| Sebaceous Gland, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | 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 47 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 500 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + A + + + + + + + + + + + + + +| 48 | Cranium, Fibrosis | 3 | 1 3.0| Cranium, Inflammation, Granulomatous | 4 3 | 2 3.5| __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 1 3 2 2 | 9 2.6| Ventricle, Hydrocephalus | 3 | 1 3.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Foreign Body | X X | 4 | Inflammation, Suppurative | 2 | 1 2.0| Epithelium, Hyperplasia | 2 | 1 2.0| Epithelium, Metaplasia, Squamous | 2 3 | 3 2.0| Glands, Inflammation, Suppurative | 2 1 | 6 1.3| __________________________________________________________________________|____________| Lung | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hemorrhage | 3 2 | 3 2.3| Alveolar Epithelium, Fibrosis | 1 1 2 | 5 1.8| Alveolar Epithelium, Hyperplasia | 4 2 1 4 2 | 9 2.6| Alveolar Epithelium, Infiltration | | | Cellular, Histiocyte | 3 1 2 2 | 10 2.6| Bronchiole, Bronchus, Interstitium, | | | Fibrosis | 3 | 1 3.0| Interstitium, Mineralization | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Cyst | 2 | 3 2.0| Foreign Body | X X X | 5 | Inflammation, Suppurative | 2 2 4 | 3 2.7| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | Lens, Cataract | | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | | 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 48 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 500 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| L | | 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 | | | | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Nephropathy, Chronic | 3 2 1 2 3 2 4 3 3 2 3 4 1 2 2 3 3 3 4 1 4 1 3 1| 48 2.6| Cortex, Necrosis | 3 | 1 3.0| Renal Tubule, Hyperplasia | 4 | 1 4.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + A + + + + + + + + + + + I + +| 48 | Calculus Micro Observation Only | | 1 | Inflammation, Suppurative | 2 | 1 2.0| Ulcer | 4 | 1 4.0| Transitional Epithelium, Hyperplasia | 2 | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Parasite Metazoan | X X | Ulcer | | __________________________________________________________________________| Intestine Large, Rectum | + + + M + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + A + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + A + + + + + + + + + + +| Diverticulum | | Epithelium, Hyperplasia | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 3 | Basophilic Focus | X | Hepatodiaphragmatic Nodule | X X| Inflammation, Granulomatous | | Mixed Cell Focus | X | Thrombosis | 4 | Vacuolization Cytoplasmic | 4 3 | Bile Duct, Hyperplasia | 2 | Hepatocyte, Degeneration, Cystic | 3 | Hepatocyte, Hyperplasia | 4 | Hepatocyte, Necrosis | 3 | __________________________________________________________________________| Mesentery | + + + + | Fat, Necrosis | 3 2 3 3 | __________________________________________________________________________| Oral Mucosa | + | Gingival, Hyperplasia | 4 | Pharyngeal, Hyperplasia | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 1 1 1 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 3 | Hyperplasia | 1 3 1 1 1 2 2 2 1 | Inflammation, Suppurative | 3 3 | Ulcer | 2 4 3 3 4 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | | Ulcer | | __________________________________________________________________________| Tooth | + | Inflammation, Suppurative | 4 | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1000 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 - cont | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Atrium, Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 3 2 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 3 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Cyst | 4 3 | Hemorrhage | 4 | Pars Distalis, Hyperplasia | 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 3 3 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Granulomatous | | Epithelium, Hyperplasia | | __________________________________________________________________________| Penis | | Hemorrhage | | Thrombosis, Acute | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 4 4 | Hyperplasia | 4 | Inflammation, Chronic | 4 | Inflammation, Suppurative | 4 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 3 2 | Epithelium, Hyperplasia | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation | | Germinal Epithelium, Atrophy | 4 3 4 4 3 | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1000 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Interstitial Cell, Hyperplasia | 3 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Reticulum Cell | 4 | __________________________________________________________________________| Lymph Node | + + + + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + M + + + + + + + + + + + + + + + +| Fibrosis | | __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + M + + + M + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Fibrosis | 3 3 2 3 | Hemorrhage | 4 | Necrosis | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectopic Parathyroid Gland | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | | Epithelium, Hyperplasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Ulcer | 2 | Epidermis, Cyst | | Sebaceous Gland, Cyst | | Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Epidermis, Cyst | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 3 | Ventricle, Hydrocephalus | 2 2 2 3 3 3| __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| 1000 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 | | | | Foreign Body | X X | Epithelium, Hyperplasia | | Epithelium, Metaplasia, Squamous | 2 | Glands, Inflammation, Suppurative | 1 3 2 2 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 2 2 2 2 | Inflammation, Granulomatous | 4 | Alveolar Epithelium, Foreign Body | X | Alveolar Epithelium, Hyperplasia | 1 2 | Alveolar Epithelium, Infiltration | | Cellular, Histiocyte | 2 1 2 4 2 | Alveolar Epithelium, Pigmentation | 4 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + A + + + + + + + + + + +| Cyst | 2 1 1 1 | Foreign Body | X X | Inflammation, Suppurative | 1 1 2 2 | Nasopharyngeal Duct, Hyperplasia | 3 | Olfactory Epithelium, Degeneration | 1 | Respiratory Epithelium, Hyperplasia | 2 2 | Respiratory Epithelium, Metaplasia, | | Squamous | 1 1 2 | __________________________________________________________________________| Pleura | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | 3 | Lens, Cataract | | __________________________________________________________________________| Harderian Gland | | Hyperplasia | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 3 4 2 1 2 2 4 1 2 4 2 1 2 2 1 1 2 2 3 3 2 2| Artery, Inflammation | 4 | Artery, Necrosis, Fibrinoid | 4 | Cortex, Cyst | | Renal Tubule, Hyperplasia, Atypical | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Hemorrhage | 2 | _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 1000 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Inflammation, Suppurative | 3 | 1 3.0| Parasite Metazoan | X | 3 | Ulcer | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | X X X | 3 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Parasite Metazoan | X X | 3 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Diverticulum | X | 1 | Epithelium, Hyperplasia | 4 | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 3 | 4 3.0| Basophilic Focus | | 1 | Hepatodiaphragmatic Nodule | X X X | 5 | Inflammation, Granulomatous | 3 3 | 2 3.0| Mixed Cell Focus | | 1 | Thrombosis | | 1 4.0| Vacuolization Cytoplasmic | 4 4 4 3 | 6 3.7| Bile Duct, Hyperplasia | 3 4 | 3 3.0| Hepatocyte, Degeneration, Cystic | 3 2 2 1 | 5 2.2| Hepatocyte, Hyperplasia | 4 | 2 4.0| Hepatocyte, Necrosis | 3 2 2 | 4 2.5| __________________________________________________________________________|____________| Mesentery | + + + + | 8 | Fat, Necrosis | 3 4 4 | 7 3.1| __________________________________________________________________________|____________| Oral Mucosa | + | 2 | Gingival, Hyperplasia | | 1 4.0| Pharyngeal, Hyperplasia | 4 | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 3 2 2 | 11 1.9| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 3 3 | 3 3.0| Hyperplasia | 3 2 2 1 2 2| 15 1.7| Inflammation, Suppurative | | 2 3.0| Ulcer | 4 4 4| 9 3.4| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 1000 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Thrombosis | 3| 1 3.0| Ulcer | 4 | 1 4.0| __________________________________________________________________________|____________| Tooth | | 1 | Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 3 | 3 2.3| Atrium, Thrombosis | 4 4 2 | 4 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 3 2 | 6 2.3| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 2 3 3 3 2 4 | 12 2.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | | 2 3.5| Hemorrhage | 4 4 | 3 4.0| Pars Distalis, Hyperplasia | 1 3 | 5 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 2 2 2 | 8 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Granulomatous | 4 | 1 4.0| Epithelium, Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Penis | + | 1 | Hemorrhage | 4 | 1 4.0| Thrombosis, Acute | 4 | 1 4.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 2 3 3 4 3 3 | 11 3.2| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 55 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 1000 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| L | | 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 | | | | | | Hyperplasia | 4 | 2 4.0| Inflammation, Chronic | | 1 4.0| Inflammation, Suppurative | 3 3 3 3 4 3 | 8 3.4| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 | 4 2.5| Epithelium, Hyperplasia | 2 3 | 2 2.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation | 3 | 1 3.0| Germinal Epithelium, Atrophy | 4 2 3 | 8 3.4| Interstitial Cell, Hyperplasia | 1 1 | 5 1.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Reticulum Cell | | 1 4.0| __________________________________________________________________________|____________| Lymph Node | + + | 6 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + M + M + + + + + + + + + + + M + + +| 44 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | | 1 | Fibrosis | 3 4 3 4 3 | 9 3.1| Hemorrhage | | 1 4.0| Necrosis | 4 4| 2 4.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectopic Parathyroid Gland | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 3 | 1 3.0| Epithelium, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 3 2 | 2 2.5| Ulcer | 3 1 | 3 2.0| Epidermis, Cyst | 4 | 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 56 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 1000 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| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Sebaceous Gland, Cyst | 3 | 1 3.0| Subcutaneous Tissue, Edema | 4 | 1 4.0| Subcutaneous Tissue, Epidermis, Cyst | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 4 4 4| 6 3.7| Ventricle, Hydrocephalus | 3 2 | 8 2.5| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + I + + + + + + + + + + + + + + + + +| 49 | Foreign Body | X| 3 | Epithelium, Hyperplasia | 2| 1 2.0| Epithelium, Metaplasia, Squamous | | 1 2.0| Glands, Inflammation, Suppurative | 2 | 6 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 1 1 2 | 8 1.8| Inflammation, Granulomatous | | 1 4.0| Alveolar Epithelium, Foreign Body | | 1 | Alveolar Epithelium, Hyperplasia | 2 1 | 4 1.5| Alveolar Epithelium, Infiltration | | | Cellular, Histiocyte | 1 2 3 | 8 2.1| Alveolar Epithelium, Pigmentation | | 1 4.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 2 1 1 | 7 1.3| Foreign Body | X X | 4 | Inflammation, Suppurative | 4 2| 6 2.0| Nasopharyngeal Duct, Hyperplasia | | 1 3.0| Olfactory Epithelium, Degeneration | 1 4 | 3 2.0| Respiratory Epithelium, Hyperplasia | 3 | 3 2.3| Respiratory Epithelium, Metaplasia, | | | Squamous | 2 2 2 1 1 2 1| 10 1.5| __________________________________________________________________________|____________| Pleura | + | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 57 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| A | 1000 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| L | | 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 | | | | | | | | | __________________________________________________________________________|____________| Eye | + + + + | 5 | Cataract | 4 | 2 3.5| Lens, Cataract | 3 | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + | 1 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 3 3 2 1 4 4 3 2 3 1 2 3 4 4 4 2 3 2 2 2 2 2 3 2| 48 2.4| Artery, Inflammation | | 1 4.0| Artery, Necrosis, Fibrinoid | | 1 4.0| Cortex, Cyst | 4 | 1 4.0| Renal Tubule, Hyperplasia, Atypical | 4 | 1 4.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Calculus Micro Observation Only | X | 1 | Hemorrhage | 4| 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 58 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + + + +| Edema | 3 | Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + A A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | | Hemorrhage | 4 | Hepatodiaphragmatic Nodule | X X X | Hyperplasia, Reticulum Cell | | Vacuolization Cytoplasmic | 3 2 2 2 3| Bile Duct, Hyperplasia | 3 3 | Hepatocyte, Degeneration, Cystic | 4 4 | Hepatocyte, Hyperplasia | 4 | Hepatocyte, Necrosis | 2 3 | Serosa, Fibrosis | | __________________________________________________________________________| Mesentery | + + + + | Fat, Inflammation, Granulomatous | 2 | Fat, Necrosis | 4 2 | __________________________________________________________________________| Oral Mucosa | + | Hyperplasia | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 2 2 3 2| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperplasia | 2 1 3| Inflammation, Suppurative | 2 | Ulcer | 2 2 4| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Necrosis | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + +| Mineralization | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 4 2 2 2 | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | | | | Mineralization | | Atrium, Thrombosis | 3 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 1 4 3 3 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 4 2 | Pars Distalis, Hyperplasia | 2 3 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 2 1 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 3 | Inflammation, Suppurative | 4 2 4 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Epithelium, Hyperplasia | 2 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | Artery, Inflammation | 2 | Germinal Epithelium, Atrophy | 4 4 3 3| Interstitial Cell, Hyperplasia | 3 3 1 2 1 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | | __________________________________________________________________________| Lymph Node | + + + + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + M + + + + + + + + + + + M + + +| Fibrosis | | _____________________________________________________________________________________________________________________| Page 60 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | | | | Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 4 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 3 3 4 3 3 | Hematopoietic Cell Proliferation | | Hemorrhage | | Necrosis | | __________________________________________________________________________| Thymus | + + M + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 3 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Granulomatous | 3 2 | Inflammation, Suppurative | 2 | Ulcer | 3 3 4 3| Epidermis, Cyst | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Gliosis | 2 | Hemorrhage | 2 4 2| Ventricle, Hydrocephalus | 3 3 2 3 | __________________________________________________________________________| Spinal Cord | + | Hemorrhage | 4 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | X X X X | Inflammation, Suppurative | 1 | Epiglottis, Metaplasia, Squamous | | Epithelium, Hyperplasia | 1 | Epithelium, Metaplasia, Squamous | 2 2 2 3 | Glands, Inflammation, Suppurative | 3 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 2 3 2 | Alveolar Epithelium, Hyperplasia | 4 2 | Alveolar Epithelium, Infiltration | | _____________________________________________________________________________________________________________________| Page 61 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | | | | Cellular, Histiocyte | 3 2 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 | Foreign Body | X X X X X | Inflammation, Suppurative | 2 2 2 1 1 2 3 3 | Nasopharyngeal Duct, Inflammation, | | Suppurative | | Nasopharyngeal Duct, Metaplasia, | | Squamous | | Olfactory Epithelium, Degeneration | 2 1 1 2 1 2 1 1 1 2 1 1 1 1 1 2 1 2 2 1 1| Respiratory Epithelium, Hyperplasia | 1 2 2 | Respiratory Epithelium, Metaplasia, | | Squamous | 2 2 1 1 1 1 1 2 2 2 1 2 1 1 3 2 1 2 1 3 2| Vomeronasal Organ, Dilatation | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Cataract | 4 4 | Cornea, Lens, Mineralization | | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 2 3 3 3 3 3 2 2 3 2 3 1 2 3 3 2 3 3 1 2 1 4 3 4| Cortex, Necrosis | 4 3 | Renal Tubule, Hyperplasia | 4 | Renal Tubule, Mineralization | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | _____________________________________________________________________________________________________________________| Page 62 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 4| 4| 7| 5| 6| 7| 7| 6| 6| 6| 7| 6| 6| 5| 4| 6| 7| 7| 6| 6| 6| | DAY ON TEST | 3| 7| 3| 5| 4| 9| 3| 2| 1| 3| 3| 7| 3| 8| 3| 3| 5| 9| 6| 2| 2| 3| 4| 8| 7| | | 3| 9| 3| 8| 1| 1| 3| 0| 5| 3| 3| 8| 8| 4| 3| 2| 2| 0| 8| 4| 0| 3| 5| 0| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 2000 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X X | 4 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X X | 2 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Edema | | 1 3.0| Parasite Metazoan | X X X X X | 8 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| 47 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Clear Cell Focus | X | 1 | Hemorrhage | | 1 4.0| Hepatodiaphragmatic Nodule | X X | 5 | Hyperplasia, Reticulum Cell | 3 | 1 3.0| Vacuolization Cytoplasmic | 2 3 4 | 8 2.6| Bile Duct, Hyperplasia | 3 | 3 3.0| Hepatocyte, Degeneration, Cystic | 3 2 | 4 3.3| Hepatocyte, Hyperplasia | 4 | 2 4.0| Hepatocyte, Necrosis | 3 | 3 2.7| Serosa, Fibrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Mesentery | + + + + + + | 10 | Fat, Inflammation, Granulomatous | | 1 2.0| Fat, Necrosis | 3 4 4 2 4 | 7 3.3| __________________________________________________________________________|____________| Oral Mucosa | + | 2 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 7 2.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Edema | 3 2 | 2 2.5| Hyperplasia | 4 2 2 3 | 7 2.4| Inflammation, Suppurative | | 1 2.0| Ulcer | 4 | 4 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 3 | 1 3.0| Necrosis | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 63 NTP Experiment-Test: 60968-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 08/06/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:03:02 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 4| 4| 7| 5| 6| 7| 7| 6| 6| 6| 7| 6| 6| 5| 4| 6| 7| 7| 6| 6| 6| | DAY ON TEST | 3| 7| 3| 5| 4| 9| 3| 2| 1| 3| 3| 7| 3| 8| 3| 3| 5| 9| 6| 2| 2| 3| 4| 8| 7| | | 3| 9| 3| 8| 1| 1| 3| 0| 5| 3| 3| 8| 8| 4| 3| 2| 2| 0| 8| 4| 0| 3| 5| 0| 9| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 2000 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| L | | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 38 | Mineralization | 4 | 1 4.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 2 2| 8 2.3| Mineralization | 3 | 1 3.0| Atrium, Thrombosis | 3 | 3 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 3 | 3 2.3| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 3 3 4 4 3 2 4 | 14 3.1| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| 48 | Hyperplasia | 3 3 2 | 3 2.7| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 2 4 3 | 7 3.0| Pars Distalis, Hyperplasia | 3 | 6 2.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 | 5 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | |