TDMS Study 60968-02 Pathology Tables
NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 CORE STUDY Facility: Battelle Northwest Chemical CAS #: 0078-84-2 Lock Date: 05/12/94 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 6| 7| 7| 6| 7| 7| 0| 7| 0| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 0| 3| 3| 3| 0| 9| 3| 4| 2| 4| 3| 3| 9| 3| 2| 7| 3| 6| 3| 3| 3| 8| 3| | 6| 6| 1| 6| 6| 6| 1| 6| 5| 6| 3| 6| 5| 7| 1| 7| 3| 6| 7| 9| 7| 7| 5| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + M + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + A + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + A + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + A + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X| Eosinophilic Focus | X 3 X | Necrosis | | Tension Lipidosis | | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + + + +| Fat, Necrosis | 2 2 2| __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Basophilic Focus | | Cyst | 4 | Inflammation, Chronic Active | | Lipomatosis | 2 4 | Thrombosis | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + A + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 2 1| Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Degeneration, Fatty | | Hyperplasia | 2 1| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 1 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 6| 7| 7| 6| 7| 7| 0| 7| 0| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 0| 3| 3| 3| 0| 9| 3| 4| 2| 4| 3| 3| 9| 3| 2| 7| 3| 6| 3| 3| 3| 8| 3| | 6| 6| 1| 6| 6| 6| 1| 6| 5| 6| 3| 6| 5| 7| 1| 7| 3| 6| 7| 9| 7| 7| 5| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Parathyroid Gland | + + + M I + + + + + + + M + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 2 2 2 3 3 2 3 3| Pars Intermedia, Hypertrophy | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 2 1 1 2 1 2 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + M + + + M| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 3 1 1 1| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hydrometra | 4 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + +| __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + M + + + M + M M + + +| Hemorrhage | 3 | __________________________________________________________________________| Lymph Node, Mandibular | M + + + + + M M + + + + + M + M + + + + + M + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + I + + + A + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + M + + + + + M + + + + + M M + + + M + + M + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 4 | Hematopoietic Cell Proliferation | 2 3 2 4 3 4 4 4 2 2 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | + + + + + + + M + + + M + + + + M + + + + + + M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 6| 6| 7| 7| 6| 7| 7| 0| 7| 0| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 0| 3| 3| 3| 0| 9| 3| 4| 2| 4| 3| 3| 9| 3| 2| 7| 3| 6| 3| 3| 3| 8| 3| | 6| 6| 1| 6| 6| 6| 1| 6| 5| 6| 3| 6| 5| 7| 1| 7| 3| 6| 7| 9| 7| 7| 5| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE 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 | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion, Chronic | 3 | Hemorrhage | | Inflammation, Suppurative | 2 | Alveolar Epithelium, Hyperplasia | 1 | Alveolus, Infiltration Cellular, | | Histiocyte | | Bronchiole, Hyperplasia | 3 | Interstitium, Fibrosis | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | Olfactory Epithelium, Degeneration | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | 4 | Cyst | 2 | Infarct | 2 | Nephropathy | 2 1 1 1 1 1 1 1 1 1 3 2 3 1| Pelvis, Inflammation, Acute | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + M + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 0| 5| 3| 3| 3| 3| 3| 4| 8| 3| 3| 3| 3| 3| 1| 3| 3| 9| 4| 1| | | 7| 6| 5| 5| 5| 0| 7| 9| 3| 7| 7| 7| 3| 6| 5| 6| 6| 6| 7| 1| 6| 6| 5| 4| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + M A + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X | 1 | Clear Cell Focus | | 1 | Eosinophilic Focus | X X X | 6 3.0| Necrosis | 4 3 4 1 | 4 3.0| Tension Lipidosis | X X X | 3 | Centrilobular, Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Mesentery | + + + | 8 | Fat, Necrosis | 2 2 2 | 6 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 1.0| Basophilic Focus | X | 1 | Cyst | 4 | 2 4.0| Inflammation, Chronic Active | 3 | 1 3.0| Lipomatosis | 4 3 | 4 3.3| Thrombosis | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 2| 1 2.0| Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 | 9 1.1| Atrium, Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 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 5 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 0| 5| 3| 3| 3| 3| 3| 4| 8| 3| 3| 3| 3| 3| 1| 3| 3| 9| 4| 1| | | 7| 6| 5| 5| 5| 0| 7| 9| 3| 7| 7| 7| 3| 6| 5| 6| 6| 6| 7| 1| 6| 6| 5| 4| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Degeneration, Fatty | 2 1 | 2 1.5| Hyperplasia | 1 1 2 | 5 1.4| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 5 1.4| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + M + + M + + + + + + + +| 44 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 2 3 3 1 1 2 2 3 2 2 | 19 2.3| Pars Intermedia, Hypertrophy | 3 | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 1 1 2 3 2 1 2 | 18 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + M + M + + + + I + M + + + + + + + + +| 44 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 2 1 2 1 3 2 | 13 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 1 | 2 2.0| Hydrometra | 3 3 | 4 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + | 5 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + M + + + + + M + + + + + + M + + + + + + + + M +| 42 | Hemorrhage | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + M + + M M M + + + + + M + + + + + + + + +| 38 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + M + M M M + + M + + + + M + + + + + + +| 38 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | | 1 4.0| Hematopoietic Cell Proliferation | 3 | 11 3.0| Hyperplasia, Lymphoid | 2 2 | 2 2.0| __________________________________________________________________________|____________| Thymus | + M + + + + + M M + + + + + M + + + + + + + + M +| 41 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| 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 6 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 0| 5| 3| 3| 3| 3| 3| 4| 8| 3| 3| 3| 3| 3| 1| 3| 3| 9| 4| 1| | | 7| 6| 5| 5| 5| 0| 7| 9| 3| 7| 7| 7| 3| 6| 5| 6| 6| 6| 7| 1| 6| 6| 5| 4| 2| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion, Chronic | | 1 3.0| Hemorrhage | 2 | 1 2.0| Inflammation, Suppurative | | 1 2.0| Alveolar Epithelium, Hyperplasia | 1 3 | 3 1.7| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 1 | 2 1.0| Bronchiole, Hyperplasia | | 1 3.0| Interstitium, Fibrosis | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 1 2.0| Olfactory Epithelium, Degeneration | 1 | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Amyloid Deposition | 2 | 2 3.0| Cyst | | 1 2.0| Infarct | | 1 2.0| Nephropathy | 3 1 1 2 1 2 1 2 1| 23 1.5| Pelvis, Inflammation, Acute | | 1 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 7 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 0| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 9| 0| 3| 3| 3| 3| 1| 3| 3| 8| 1| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| | 7| 3| 2| 6| 6| 1| 7| 1| 6| 6| 1| 2| 7| 6| 6| 7| 6| 6| 5| 3| 1| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | M A + + + A + A + + + + + + + + + + + A + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + A + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + A + + + A + A + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + A + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + A + A + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + A + + + + + + + + + + + + + + + + +| Basophilic Focus | | Cyst | 2 | Eosinophilic Focus | X X X X X X| Hematopoietic Cell Proliferation | | Necrosis | 2 | Thrombosis | | Centrilobular, Necrosis | 2 | __________________________________________________________________________| Mesentery | + +| Fat, Necrosis | 2 2| __________________________________________________________________________| Pancreas | + + + + + + + A + + + + + + + + + + + + + + + + +| Cyst | | Lipomatosis | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | Inflammation, Chronic Active | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + A + + + + + + + + + + + + + + + + +| Mineralization | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 | Artery, Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + A + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 1 2 | Hyperplasia | 2 2 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + A + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + M + + + + + M + + + + + + + + + + M + + M + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 3 3 2 1 2 2 1 | _____________________________________________________________________________________________________________________| Page 8 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 0| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 9| 0| 3| 3| 3| 3| 1| 3| 3| 8| 1| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| | 7| 3| 2| 6| 6| 1| 7| 1| 6| 6| 1| 2| 7| 6| 6| 7| 6| 6| 5| 3| 1| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 | | | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | M + + + + + + + + M + M + + + + + I + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 1 2 3 4 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrometra | 4 | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | | __________________________________________________________________________| Lymph Node, Bronchial | M M + M M M + + + + + M + M + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + M + + M + + + M + M + + + + + + + + M + M M +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | M + M + M + + + + + + + M + M + + + + + + + M M M| __________________________________________________________________________| Spleen | + + + + + + + A + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 4 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | + + + + + + + + + + + M + + + + + + + + + + M + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fracture | X | __________________________________________________________________________| Skeletal Muscle | + | Hemorrhage | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 0| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 9| 0| 3| 3| 3| 3| 1| 3| 3| 8| 1| 3| 3| 3| 3| 3| 3| 3| 0| 9| 3| 3| 3| 3| | 7| 3| 2| 6| 6| 1| 7| 1| 6| 6| 1| 2| 7| 6| 6| 7| 6| 6| 5| 3| 1| 5| 7| 5| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 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 | | | | Thrombosis | | Alveolar Epithelium, Hyperplasia | 1| Alveolus, Infiltration Cellular, | | Histiocyte | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Thrombosis | | Olfactory Epithelium, Degeneration | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Amyloid Deposition | | Infarct | | Metaplasia, Osseous | 3 | Mineralization | | Nephropathy | 1 1 2 2 3 1 1 1 1 | Renal Tubule, Necrosis | | __________________________________________________________________________| Urinary Bladder | + + + + + + + A + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 6| 7| 6| 6| 5| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 1| 3| 3| 2| 3| 3| 6| 2| 3| 3| 9| 3| 3| 4| 3| 3| 3| 3| 3| 8| 3| 2| | | 5| 6| 5| 1| 6| 6| 1| 7| 6| 3| 7| 5| 7| 5| 7| 6| 6| 7| 7| 7| 5| 5| 6| 7| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + + + A + + + + + + + +| 44 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + A + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + A + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + A + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + A + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + A + + + + + + + +| 46 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X | 3 | Cyst | | 1 2.0| Eosinophilic Focus | X | 7 | Hematopoietic Cell Proliferation | 3| 1 3.0| Necrosis | 2 3 | 3 2.3| Thrombosis | 3 | 1 3.0| Centrilobular, Necrosis | 3 | 2 2.5| __________________________________________________________________________|____________| Mesentery | | 2 | Fat, Necrosis | | 2 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 3 | 1 3.0| Lipomatosis | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 1 2.0| Inflammation, Chronic Active | 1 | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mineralization | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 2 1 2 | 12 1.2| Artery, Mineralization | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Degeneration, Fatty | | 2 1.5| Hyperplasia | | 3 2.0| __________________________________________________________________________|____________| 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 11 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 6| 7| 6| 6| 5| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 1| 3| 3| 2| 3| 3| 6| 2| 3| 3| 9| 3| 3| 4| 3| 3| 3| 3| 3| 8| 3| 2| | | 5| 6| 5| 1| 6| 6| 1| 7| 6| 3| 7| 5| 7| 5| 7| 6| 6| 7| 7| 7| 5| 5| 6| 7| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + M + + M + + + + + M + + + M + M + + M| 40 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | Pars Distalis, Hyperplasia | 2 2 3 2 2 2 3 2 3 2 3 3 2 2 1 3| 23 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 2 2 1 2 1 2 2 2 1 1| 26 1.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + M M + I + + + + + + M + M + + + + + + M + M| 39 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + I + + + + + + + + + + + + + + + +| 49 | Cyst | 2 2 1 2 2 2 2 3 2 | 15 2.1| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hydrometra | 3 2 3 | 4 3.0| Inflammation, Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + | 5 | __________________________________________________________________________|____________| Lymph Node, Bronchial | M + + + + M M + M + M + + + + + + + + + + + + + +| 38 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + M + M + + + + + + + + M + + M M + + + +| 38 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + + + + + + + + + + + + + M M + + + M + +| 38 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hematopoietic Cell Proliferation | 3 4 3 2 2 4 2 3 3 | 11 3.1| Hyperplasia, Lymphoid | 2 3 | 2 2.5| __________________________________________________________________________|____________| Thymus | + + M + + + M + M + M + + + + + M + + + + + + + +| 43 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fracture | | 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 12 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 7| 6| 7| 6| 6| 5| 7| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 9| 1| 3| 3| 2| 3| 3| 6| 2| 3| 3| 9| 3| 3| 4| 3| 3| 3| 3| 3| 8| 3| 2| | | 5| 6| 5| 1| 6| 6| 1| 7| 6| 3| 7| 5| 7| 5| 7| 6| 6| 7| 7| 7| 5| 5| 6| 7| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Hemorrhage | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Thrombosis | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia | 3 2 | 3 2.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 2 1 | 2 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3 | 1 3.0| Thrombosis | 4 | 1 4.0| Olfactory Epithelium, Degeneration | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Amyloid Deposition | 3 | 1 3.0| Infarct | 2 2 | 2 2.0| Metaplasia, Osseous | | 1 3.0| Mineralization | 2 | 1 2.0| Nephropathy | 1 1 1 2 4 1 3 1 3 1 1| 20 1.6| Renal Tubule, Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| 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 13 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 6| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 5| 7| DAY ON TEST | 8| 3| 3| 3| 3| 6| 1| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 3| 3| | 1| 7| 6| 6| 6| 5| 1| 7| 4| 6| 6| 6| 7| 6| 6| 7| 5| 3| 7| 9| 6| 5| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | A M + + + + A M + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | A + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | A + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | A + + + + + A + + + + + + + + + + A + + + + + + +| Hyperplasia, Lymphoid | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | | Clear Cell Focus | | Cyst | 2 | Eosinophilic Focus | X X | Mixed Cell Focus | X | Necrosis | | Tension Lipidosis | | Centrilobular, Necrosis | 3 1 | __________________________________________________________________________| Mesentery | + + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypertrophy | 2| Inflammation, Chronic Active | | Lipomatosis | 1 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | | Hypertrophy | 1 | Necrosis | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + M + + + M + + + + M M + + + + + M M + + + M +| _____________________________________________________________________________________________________________________| Page 14 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 6| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 5| 7| DAY ON TEST | 8| 3| 3| 3| 3| 6| 1| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 3| 3| | 1| 7| 6| 6| 6| 5| 1| 7| 4| 6| 6| 6| 7| 6| 6| 7| 5| 3| 7| 9| 6| 5| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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 | | | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 1 3 2 2 2 1 2 1 | Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 1 1 1 1 1 1 1 2 1 1 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | M + + + + M + + + + + + + + + M + + + + M + + + +| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | 2 3 2| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 | Hydrometra | 3 3 4| __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | Lumbar, Ectasia | | __________________________________________________________________________| Lymph Node, Bronchial | M + + M + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + M + + + + + M M M + + + + + + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mesenteric | M + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | 2| __________________________________________________________________________| Lymph Node, Mediastinal | + M + + + + M M + + + + + + + + + M M + M + + M M| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 3 3 3 4 | Hyperplasia, Lymphoid | 2 2 | __________________________________________________________________________| Thymus | M + + + M M + + + + + + M + + + + + + + + + M M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Angiectasis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 1 | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 6| 6| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 6| 7| 7| 7| 5| 7| DAY ON TEST | 8| 3| 3| 3| 3| 6| 1| 7| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 3| 3| | 1| 7| 6| 6| 6| 5| 1| 7| 4| 6| 6| 6| 7| 6| 6| 7| 5| 3| 7| 9| 6| 5| 6| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolus, Infiltration Cellular, | | Histiocyte | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Olfactory Epithelium, Degeneration, | | Hyaline | 2 | Olfactory Epithelium, Degeneration | 1 1 1 1 1 1 1 1 1 1 2 1 | Olfactory Epithelium, Necrosis | 4 | Respiratory Epithelium, Necrosis | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Cyst | | Metaplasia, Osseous | 2 1 | Mineralization | 2 | Nephropathy | 1 1 1 2 1 1 1 1 1 1| Pelvis, Dilatation | | Renal Tubule, Necrosis | 3 | __________________________________________________________________________| Ureter | + | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 7| 5| 7| | DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 4| 3| 3| 3| 3| 3| 3| 5| 3| | | 7| 7| 6| 6| 3| 5| 5| 7| 7| 7| 6| 6| 6| 6| 7| 3| 5| 6| 5| 6| 1| 5| 6| 4| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + A + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + A + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 2 2.0| Basophilic Focus | X X | 2 | Clear Cell Focus | X X | 2 | Cyst | | 1 2.0| Eosinophilic Focus | X X X | 5 | Mixed Cell Focus | | 1 | Necrosis | 1 | 1 1.0| Tension Lipidosis | X X | 2 | Centrilobular, Necrosis | | 2 2.0| __________________________________________________________________________|____________| Mesentery | + + | 4 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hypertrophy | | 1 2.0| Inflammation, Chronic Active | 3 | 1 3.0| Lipomatosis | 3 3 | 3 2.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + M + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 1 | 1 1.0| __________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 2 1 1 1 | 10 1.1| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Fatty | 3 | 1 3.0| Hypertrophy | | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 7| 5| 7| | DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 4| 3| 3| 3| 3| 3| 3| 5| 3| | | 7| 7| 6| 6| 3| 5| 5| 7| 7| 7| 6| 6| 6| 6| 7| 3| 5| 6| 5| 6| 1| 5| 6| 4| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Necrosis | 3 | 1 3.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2| 2 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + + + + + + + + + + + + + + + M M + +| 40 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 3 1 2 2 2 1 3 2 1 3 3 2 3 1 1| 23 1.9| Pars Intermedia, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 2 1 2 2 1 1 1 3 1| 24 1.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | M + + + M M + + + + + + + M + + M + + + M + + + +| 40 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 3| 2 2.5| Cyst | 2 1 3 3 3 3 4 2 2 2 2 | 14 2.4| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 4.0| Hydrometra | 3 3 4 | 6 3.3| __________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Lumbar, Ectasia | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + M + + + + + + + + + M + + M + + + + M + + + M +| 42 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + M M| 47 | Necrosis | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + M + + + + + + + + + + + + + + + + + + + M M M +| 38 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 3 4 2 3 4 3 | 11 3.3| Hyperplasia, Lymphoid | 3 | 3 2.3| __________________________________________________________________________|____________| Thymus | + + + + + + + M + + + + + M + + + + + + + + + M +| 41 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 7| 5| 7| | DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 4| 3| 3| 3| 3| 3| 3| 5| 3| | | 7| 7| 6| 6| 3| 5| 5| 7| 7| 7| 6| 6| 6| 6| 7| 3| 5| 6| 5| 6| 1| 5| 6| 4| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Angiectasis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | | 1 1.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + I + + + + + + + + + +| 49 | Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 1 | 1 1.0| Olfactory Epithelium, Degeneration, | | | Hyaline | | 1 2.0| Olfactory Epithelium, Degeneration | 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1 | 27 1.1| Olfactory Epithelium, Necrosis | 2 | 2 3.0| Respiratory Epithelium, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 1 3.0| Cyst | 2 | 1 2.0| Metaplasia, Osseous | 1 2 | 4 1.5| Mineralization | 1 | 2 1.5| Nephropathy | 1 1 1 2 1 | 15 1.1| Pelvis, Dilatation | 4 | 1 4.0| Renal Tubule, Necrosis | | 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 19 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 6| 7| 7| 5| 7| | DAY ON TEST | 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 4| 3| 3| 3| 3| 3| 3| 5| 3| | | 7| 7| 6| 6| 3| 5| 5| 7| 7| 7| 6| 6| 6| 6| 7| 3| 5| 6| 5| 6| 1| 5| 6| 4| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Ureter | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 20 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 0| 8| 3| 3| 5| 3| 3| 3| 6| 3| 3| 3| 5| 3| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| | 2| 1| 7| 6| 2| 7| 5| 5| 5| 6| 7| 6| 3| 7| 6| 3| 7| 5| 7| 7| 3| 6| 6| 6| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + A + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + A + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Eosinophilic Focus | X | Hematopoietic Cell Proliferation | | Necrosis | | __________________________________________________________________________| Mesentery | | Hemorrhage | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Cyst | | Hypertrophy | | Inflammation, Chronic Active | | Lipomatosis | 4 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Hyperplasia, Squamous | 1 1 2| Inflammation, Chronic Active | 1 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | | Developmental Malformation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 1 1 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 3 | Hyperplasia | | Hypertrophy | 1 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 0| 8| 3| 3| 5| 3| 3| 3| 6| 3| 3| 3| 5| 3| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| | 2| 1| 7| 6| 2| 7| 5| 5| 5| 6| 7| 6| 3| 7| 6| 3| 7| 5| 7| 7| 3| 6| 6| 6| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | | | | __________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + M + M M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Pars Distalis, Hyperplasia | 2 2 2 2 3 | Pars Intermedia, Hypertrophy | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 2 1 3 2 2 1 2 1 3 2 1 1 2 2 1 1 3 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + M + + + M + + + + + + M + + + + + + +| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 4 4 1 2 1 4 1 3 2| Hyperplasia | 2 | Interstitial Cell, Hyperplasia | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hydrometra | 3 3 3 | Thrombosis | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | Lumbar, Hemorrhage | | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + + + + + + + + + + + M + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + M + + + M + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + M + + + + + + + + + + + I + + + + + + + + + + +| Angiectasis | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + M + + M + + + + + + + + + + M + + + + M + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 3 2 2 3 | __________________________________________________________________________| Thymus | + + M + M + + + + + + + + + + + M + + + M + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Subcutaneous Tissue, Necrosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 0| 8| 3| 3| 5| 3| 3| 3| 6| 3| 3| 3| 5| 3| 3| 5| 3| 3| 3| 3| 5| 3| 3| 3| 3| | 2| 1| 7| 6| 2| 7| 5| 5| 5| 6| 7| 6| 3| 7| 6| 3| 7| 5| 7| 7| 3| 6| 6| 6| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Meninges, Infiltration Cellular, | | Mononuclear Cell | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | 1 | Epiglottis, Metaplasia, Squamous | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Olfactory Epithelium, Degeneration | 2 2 2 1 1 2 1 2 2 2 2 1 2 2 2 2 1 2 1 2 1 1 1 1| Olfactory Epithelium, Necrosis | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cornea, Mineralization | | Lens, Mineralization | 3 | __________________________________________________________________________| Harderian Gland | +| Hyperplasia | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Metaplasia, Osseous | 1 | Nephropathy | 1 1 2 1 1 1 1 1 2 2 2 1 1 2 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 1| 3| 8| 1| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| | | 5| 5| 7| 5| 6| 2| 1| 6| 5| 5| 6| 6| 7| 6| 6| 6| 7| 6| 7| 3| 6| 6| 5| 6| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | __________________________________________________________________________|____________| Gallbladder | + + + + + A + + + + + + + + + + + + + + + M + + +| 47 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + I + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + A + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X| 3 | Eosinophilic Focus | X X X | 4 | Hematopoietic Cell Proliferation | 2 | 1 2.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + + | 3 | Hemorrhage | 2 | 1 2.0| Fat, Necrosis | 2 4 | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 1 3.0| Cyst | 4 | 1 4.0| Hypertrophy | 1 | 1 1.0| Inflammation, Chronic Active | 2 3 | 2 2.5| Lipomatosis | 2 4 | 3 3.3| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | X | 1 | Hyperplasia, Squamous | | 3 1.3| Inflammation, Chronic Active | 2 | 3 1.7| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Tooth | + | 1 | Developmental Malformation | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 | 7 1.4| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Fatty | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 1| 3| 8| 1| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| | | 5| 5| 7| 5| 6| 2| 1| 6| 5| 5| 6| 6| 7| 6| 6| 6| 7| 6| 7| 3| 6| 6| 5| 6| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | | | | | | Hyperplasia | 1 | 1 1.0| Hypertrophy | | 1 1.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | M + + + + M M + + + M + + M + M + + + + + + + + +| 40 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 2 2 2 2 2 3 1 2 2 2 2 2| 17 2.1| Pars Intermedia, Hypertrophy | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 1 3 2 1 1 2 2 1 1 1 2 | 32 1.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + M + + M M + + + + + M + I + + + + + M + + M + +| 40 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 2 2 3 3 4 4 1 | 18 2.5| Hyperplasia | | 1 2.0| Interstitial Cell, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 | 1 3.0| Hydrometra | 2 3 3 3 | 7 2.9| Thrombosis | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Lumbar, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + M + + + M + + + + + + + M| 44 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + M + M + + + + + + + + M + + + + + +| 45 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + M + + + + + + + + + + +| 47 | Angiectasis | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + M + + M + + M + + M + + M + + M + + M + +| 38 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 4 4 4 | 9 3.1| __________________________________________________________________________|____________| Thymus | + M + + + + M + + + + + + + + + + + + M + + + + +| 43 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 25 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 4| 7| 6| 6| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 1| 3| 8| 1| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 5| | | 5| 5| 7| 5| 6| 2| 1| 6| 5| 5| 6| 6| 7| 6| 6| 6| 7| 6| 7| 3| 6| 6| 5| 6| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | | | | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 4 | 1 4.0| Subcutaneous Tissue, Necrosis | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Meninges, Infiltration Cellular, | | | Mononuclear Cell | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epiglottis, Hyperplasia | | 1 1.0| Epiglottis, Metaplasia, Squamous | 1 | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 2 | 1 2.0| Alveolar Epithelium, Hyperplasia | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Olfactory Epithelium, Degeneration | 2 2 1 2 2 1 2 2 1 2 2 1 1 2 2 1 1 1 2 1 1 1 2 2 2| 49 1.6| Olfactory Epithelium, Necrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 3 | Cornea, Mineralization | 3 3 | 2 3.0| Lens, Mineralization | | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + | 2 | Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 2 1 | 2 1.5| Metaplasia, Osseous | | 1 1.0| Nephropathy | 1 1 1 1 3 | 20 1.4| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 26 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 3| | 4| 5| 3| 4| 4| 3| 5| 3| 3| 4| 3| 3| 5| 5| 4| 4| 3| 3| 3| 4| 3| 9| 4| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + M + + + + + + + + + + + + + + + A + + +| Hyperplasia | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + A + + + + + A + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X 3 | Clear Cell Focus | | Eosinophilic Focus | X X X | Infarct, Focal | | Necrosis | | __________________________________________________________________________| Mesentery | | Fat, Necrosis | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Inflammation, Chronic Active | 2 | Lipomatosis | 1 | Necrosis | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | X | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 2 1 2 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | Hyperplasia | 3 2 2 1 2 2 2 | Hypertrophy | 2 2 1 2 1 2 1 1 1 1 1 1 1 2 2 1 2| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + M + + + M + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 3| | 4| 5| 3| 4| 4| 3| 5| 3| 3| 4| 3| 3| 5| 5| 4| 4| 3| 3| 3| 4| 3| 9| 4| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 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 | | | | Follicular Cell, Hyperplasia | 1 1 1 1 2 1 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 | Inflammation, Chronic Active | | __________________________________________________________________________| Prostate | + + + + M + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Bronchial | + + M + + + M + + + + + M M + + + M + + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + M + + M M + + + + M + M + M + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | M + + + + M M M + M M + M + M + M + M M M M M M +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | M + + + + + M + + + + + + + + + + M + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Prepuce, Inflammation, Acute | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 5| 3| 3| 3| | 4| 5| 3| 4| 4| 3| 5| 3| 3| 4| 3| 3| 5| 5| 4| 4| 3| 3| 3| 4| 3| 9| 4| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 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 | | | | Epiglottis, Hyperplasia | | Epiglottis, Metaplasia, Squamous | 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | Pigmentation | | Alveolar Epithelium, Hyperplasia | 3 | Artery, Mediastinum, Mineralization | 3 | Bronchiole, Hyperplasia | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Nasolacrimal Duct, Hyperplasia | | Nasolacrimal Duct, Inflammation, | | Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 2 2| Infarct | 2 2 | Mineralization | 2 | Nephropathy | 3 1 2 2 2 3 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 2| Pelvis, Inflammation, Acute | 2 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Mineralization | 2 | Transitional Epithelium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 3| 3| 7| 3| 3| 3| 3| 3| 8| 3| | | 4| 9| 9| 3| 3| 3| 4| 4| 5| 3| 4| 4| 3| 4| 0| 3| 4| 6| 3| 3| 9| 5| 4| 2| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + + + + M + + + + + + +| 47 | Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X | 4 3.0| Clear Cell Focus | X X | 2 | Eosinophilic Focus | | 3 | Infarct, Focal | 4 | 1 4.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + | 1 | Fat, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 1.0| Inflammation, Chronic Active | | 1 2.0| Lipomatosis | 1 | 2 1.0| Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Diverticulum | | 1 | Inflammation, Chronic Active | 2 | 2 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 26 1.1| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 2.0| Hyperplasia | 2 2 2 2 2 2 2 | 14 2.0| Hypertrophy | 2 2 1 2 1 2 2 1 2 1 1 2 2 2 2 | 32 1.5| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 3| 3| 7| 3| 3| 3| 3| 3| 8| 3| | | 4| 9| 9| 3| 3| 3| 4| 4| 5| 3| 4| 4| 3| 4| 0| 3| 4| 6| 3| 3| 9| 5| 4| 2| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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 | | | | | | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + M M + + + + + + + + M I + M + + + + + + + + +| 43 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 2 1 2 | 3 1.7| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 1 1| 11 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | 3 | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 2 3 2 4| 7 2.9| Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | | 1 4.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 3.0| Inflammation, Chronic Active | 2 | 2 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + M + + M + + + M M + + M + M M + + + + + + + M +| 37 | __________________________________________________________________________|____________| Lymph Node, Mandibular | M M + M M + M + M + + + M M + M M M M + + M M M M| 27 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + M + M + + + + + + + + + + + M M M + + M + + + +| 29 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 4 3 2 3 | 7 2.6| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + + + M + + + M M M + + + M + M + M + +| 39 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + M + + + + + + +| 49 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 6| 7| 7| 6| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 3| 3| 7| 3| 3| 3| 3| 3| 8| 3| | | 4| 9| 9| 3| 3| 3| 4| 4| 5| 3| 4| 4| 3| 4| 0| 3| 4| 6| 3| 3| 9| 5| 4| 2| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Prepuce, Inflammation, Acute | 3 2 | 3 2.7| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epiglottis, Hyperplasia | 1 | 1 1.0| Epiglottis, Metaplasia, Squamous | | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 2.0| Pigmentation | 2 | 1 2.0| Alveolar Epithelium, Hyperplasia | 1 3 | 3 2.3| Artery, Mediastinum, Mineralization | | 1 3.0| Bronchiole, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nasolacrimal Duct, Hyperplasia | 4 | 1 4.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 3 2.0| Infarct | | 2 2.0| Mineralization | | 1 2.0| Nephropathy | 2 2 3 2 2 2 2 1 2 1 2 2 3 2 2 2 2 1 2 1 2 2 1| 45 1.9| Pelvis, Inflammation, Acute | | 2 2.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 3.0| Mineralization | | 1 2.0| Transitional Epithelium, Hyperplasia | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 5| 6| 7| 6| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 0| 8| 7| 3| 8| 1| 2| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 9| 0| 0| 4| 0| 5| 3| 5| 4| 4| 4| 4| 5| 4| 5| 3| 3| 3| 4| 5| 4| 3| 4| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + M + + A + M + + + + + + + + A + + + + + + + + +| Hyperplasia | 1 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + A + + + + + + + + +| Fibrosis | 3 | __________________________________________________________________________| Intestine Small, Duodenum | + A + + + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X | Clear Cell Focus | X | Eosinophilic Focus | X X X| Mixed Cell Focus | X| Necrosis | 1 | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + + + | Artery, Inflammation | 3 | Fat, Necrosis | 2 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + A + + + + + + + + +| Lipomatosis | 3 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | __________________________________________________________________________| Tooth | | Developmental Malformation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 1 2 2 2 2 2 2 | Hypertrophy | 1 2 1 2 2 1 1 2 1 2 3 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + M + + + + + + M + + M + M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 5| 6| 7| 6| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 0| 8| 7| 3| 8| 1| 2| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 9| 0| 0| 4| 0| 5| 3| 5| 4| 4| 4| 4| 5| 4| 5| 3| 3| 3| 4| 5| 4| 3| 4| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | | | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 3 3 3 3 4 | Inflammation, Chronic Active | 2| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Bronchial | + + M + M + M M + + M + + + M + + M + + M + + + M| __________________________________________________________________________| Lymph Node, Mandibular | M M + + M + + M + M + M + + M M + + M M M + M M M| __________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + M M M + + + + + M M + M M M + + + + + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 2 3 3 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | + + M + + + M + + + + + + + M M M M + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Necrosis | | Prepuce, Inflammation, Acute | 3 4 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 5| 6| 7| 6| 4| 6| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 0| 8| 7| 3| 8| 1| 2| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| | 9| 0| 0| 4| 0| 5| 3| 5| 4| 4| 4| 4| 5| 4| 5| 3| 3| 3| 4| 5| 4| 3| 4| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | | | | Epiglottis, Metaplasia, Squamous | | Glands, Inflammation, Suppurative | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Alveolar Epithelium, Hyperplasia | 2 | Artery, Mediastinum, Mineralization | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 | Infarct | | Mineralization | | Nephropathy | 1 1 1 1 1 1 1 2 2 1 2 2 2 2 1 3 1 1 2 1 2 1| Pelvis, Inflammation, Acute | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 1| | | 5| 4| 3| 4| 5| 2| 5| 4| 4| 3| 4| 4| 5| 5| 4| 3| 3| 2| 4| 4| 4| 4| 9| 4| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + A + + + + + + + M + + M +| 43 | Hyperplasia | | 2 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + + + + + + + + +| 48 | Fibrosis | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + + + + + + + + A| 46 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 1 1.0| Basophilic Focus | X X X X X X | 8 | Clear Cell Focus | X X X X X X | 7 | Eosinophilic Focus | X X X | 6 | Mixed Cell Focus | X | 2 | Necrosis | | 1 1.0| Centrilobular, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | | 3 | Artery, Inflammation | | 1 3.0| Fat, Necrosis | | 2 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lipomatosis | | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 | 2 1.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 1.0| __________________________________________________________________________|____________| Tooth | + + + | 3 | Developmental Malformation | X X X | 3 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 2 1 2 1 2 1 1 1 2 1 1 1 1| 30 1.2| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 2 2 1 2 2 2 2 2 2 1| 21 1.8| Hypertrophy | 2 1 1 1 2 2 2 2 2 | 21 1.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 1| | | 5| 4| 3| 4| 5| 2| 5| 4| 4| 3| 4| 4| 5| 5| 4| 3| 3| 2| 4| 4| 4| 4| 9| 4| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + + + + M M + + M + + + +| 41 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + M + + + + + + M M + + + + + + + +| 47 | Pars Distalis, Hyperplasia | 1 2 1 | 3 1.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 2 1 1 1 1 2 | 11 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 3 4 | 9 3.3| Inflammation, Chronic Active | 1 | 2 1.5| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + M M + + + M M + + M M + + + + + + + + + +| 34 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + M M M + M + + + M + M M M + + M + + + + + M + M| 25 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + M + + + + + M + M + + + M + + + M + + + M M + M| 34 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 2 3 2 | 7 2.6| Hyperplasia, Lymphoid | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + M + + + M + M + + + + M + + + + + + +| 39 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 1 | 2 2.0| Necrosis | 2 | 1 2.0| Prepuce, Inflammation, Acute | 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 37 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 1| 3| 3| 3| 3| 4| 3| 1| | | 5| 4| 3| 4| 5| 2| 5| 4| 4| 3| 4| 4| 5| 5| 4| 3| 3| 2| 4| 4| 4| 4| 9| 4| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 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| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + I + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 3| 1 3.0| Epiglottis, Metaplasia, Squamous | 1 | 1 1.0| Glands, Inflammation, Suppurative | 1 | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3| 1 3.0| Alveolar Epithelium, Hyperplasia | 1 1 | 3 1.3| Artery, Mediastinum, Mineralization | 2| 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 2| 2 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2| 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 2 | 3 1.7| Infarct | 1 | 1 1.0| Mineralization | 2| 1 2.0| Nephropathy | 1 4 1 2 1 2 2 3 2 1 1 2 1 1 1 1 1 1 2 2 2 2 2 3| 46 1.6| Pelvis, Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 38 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 7| 7| 7| 0| 7| 6| 7| 7| 7| 7| 6| 7| 7| 3| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| | 2| 3| 1| 5| 4| 4| 4| 3| 3| 3| 3| 9| 3| 4| 4| 5| 0| 4| 3| 9| 4| 5| 5| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + M A + + + + + + M + + + M + + + + + + + + + + +| Hyperplasia | 1 2 | __________________________________________________________________________| Intestine Large, Colon | + + A + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + A + + + + + + A + + + + + + + + + + + + + + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + A + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + A + + + + + + A + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | X X X | Degeneration, Fatty | | Eosinophilic Focus | | Infarct, Focal | 4 | Necrosis | | Tension Lipidosis | | Centrilobular, Necrosis | 3 | __________________________________________________________________________| Mesentery | + + + + | Fat, Necrosis | 2 2 1 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 | Lipomatosis | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | __________________________________________________________________________| Stomach, Glandular | + + A + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | Artery, Inflammation | | __________________________________________________________________________| Tooth | + + | Developmental Malformation | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 | Mineralization | | Atrium, Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 1 2 2 2 2 2 | Hypertrophy | 1 2 2 2 2 2 1 1 2 2 2 1 1 2| __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 7| 7| 7| 0| 7| 6| 7| 7| 7| 7| 6| 7| 7| 3| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| | 2| 3| 1| 5| 4| 4| 4| 3| 3| 3| 3| 9| 3| 4| 4| 5| 0| 4| 3| 9| 4| 5| 5| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + M + + M + + + + + + + + M + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 1 2 1 1 2 2 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + I + + + + +| Cyst | 3 2 4 2 2 | Inflammation, Chronic Active | 3 3 | __________________________________________________________________________| Prostate | + + A + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia | | Inflammation, Chronic Active | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Bronchial | + M M + + + + + + + M + M + + M + + M M M + M M +| __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + M M + + + M + + M + + M + M + M + + M| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + M + + + M + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + M M + + M M M + M + + M M + + M M + + + + M M +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hematopoietic Cell Proliferation | 2 3 2 3| __________________________________________________________________________| Thymus | + + + + + + + M + + + + + M + + + + M + + + + + +| Artery, Inflammation | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 2 | Prepuce, Inflammation, Acute | 3 3 | Subcutaneous Tissue, Edema | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 6| 7| 4| 7| 7| 7| 7| 7| 7| 0| 7| 6| 7| 7| 7| 7| 6| 7| 7| 3| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 2| 3| 3| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 3| 2| 3| | 2| 3| 1| 5| 4| 4| 4| 3| 3| 3| 3| 9| 3| 4| 4| 5| 0| 4| 3| 9| 4| 5| 5| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | 1 | Epiglottis, Metaplasia, Squamous | 1 | Glands, Inflammation, Suppurative | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 3 2 | Alveolus, Infiltration Cellular, | | Histiocyte | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Olfactory Epithelium, Degeneration | 1 1 1 1 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + | Cornea, Inflammation, Chronic Active | 1 | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Infarct | 3 | Mineralization | | Nephropathy | 1 2 2 2 2 2 2 2 1 4 2 2 2 2 2 2 2 2 1 1| Pelvis, Dilatation | 3 | Pelvis, Inflammation, Acute | 2 | Transitional Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + A + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | Artery, Inflammation | | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 4| 7| 5| 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 1| 3| 4| 3| 6| 3| 3| 3| 2| 3| 1| 3| 7| 3| 3| 3| 3| 2| 3| | | 3| 4| 3| 3| 3| 3| 0| 3| 8| 4| 0| 3| 4| 5| 2| 3| 1| 3| 2| 3| 4| 3| 3| 8| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + M A + M + + A + + + + + +| 42 | Hyperplasia | | 2 1.5| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + A + + + + A + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A + + + + + +| 47 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X| 3 | Clear Cell Focus | | 3 | Degeneration, Fatty | 1 | 1 1.0| Eosinophilic Focus | X X X| 3 | Infarct, Focal | 4 | 2 4.0| Necrosis | 3 | 1 3.0| Tension Lipidosis | X | 1 | Centrilobular, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Mesentery | + | 5 | Fat, Necrosis | | 4 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 1.0| Lipomatosis | 2 4 | 2 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 | 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 1 | 2 1.0| Artery, Inflammation | 3 | 1 3.0| __________________________________________________________________________|____________| Tooth | | 2 | Developmental Malformation | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 1 1 1 1 | 26 1.1| Mineralization | 2 | 1 2.0| Atrium, Thrombosis | | 1 2.0| _____________________________________________________________________________________________________________________| | 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 42 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 4| 7| 5| 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 1| 3| 4| 3| 6| 3| 3| 3| 2| 3| 1| 3| 7| 3| 3| 3| 3| 2| 3| | | 3| 4| 3| 3| 3| 3| 0| 3| 8| 4| 0| 3| 4| 5| 2| 3| 1| 3| 2| 3| 4| 3| 3| 8| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 2 2 1 2 1 2 2| 18 1.9| Hypertrophy | 1 2 2 2 2 2 1 1 2 1 1 1| 26 1.6| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + M + + + + + + + + + + M + + + + + + +| 45 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| 49 | Cyst | | 1 2.0| Pars Intermedia, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 1 2 1 2 1| 14 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 2 | 6 2.5| Inflammation, Chronic Active | 4 | 3 3.3| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + M + + + + + + + + + + + + + +| 47 | Hyperplasia | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 2 1.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Bronchial | M M + + M + + + + + + + + + M + + + + + + M M + M| 33 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + M + + + + + + + M + M + + + + M + + + + M| 36 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + M + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + M M + + M M M M + M + + M + + + M + + +| 28 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Hematopoietic Cell Proliferation | 2 4 3 2| 8 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 43 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 4| 7| 5| 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 1| 3| 4| 3| 6| 3| 3| 3| 2| 3| 1| 3| 7| 3| 3| 3| 3| 2| 3| | | 3| 4| 3| 3| 3| 3| 0| 3| 8| 4| 0| 3| 4| 5| 2| 3| 1| 3| 2| 3| 4| 3| 3| 8| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thymus | M + M + M + M + + + + + + + M + + + + + + + + + +| 42 | Artery, Inflammation | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 2 3.0| Prepuce, Inflammation, Acute | 1 4| 4 2.8| Subcutaneous Tissue, Edema | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epiglottis, Hyperplasia | | 1 1.0| Epiglottis, Metaplasia, Squamous | | 1 1.0| Glands, Inflammation, Suppurative | 1 | 1 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 2 | 3 2.3| Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2| 1 2.0| Olfactory Epithelium, Degeneration | 1 1 1 2 1 1| 11 1.1| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Eye | | 1 | Cornea, Inflammation, Chronic Active | | 1 1.0| __________________________________________________________________________|____________| Harderian Gland | + + | 3 | _____________________________________________________________________________________________________________________| | URINARY 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 44 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 4| 7| 4| 7| 5| 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 1| 3| 4| 3| 6| 3| 3| 3| 2| 3| 1| 3| 7| 3| 3| 3| 3| 2| 3| | | 3| 4| 3| 3| 3| 3| 0| 3| 8| 4| 0| 3| 4| 5| 2| 3| 1| 3| 2| 3| 4| 3| 3| 8| 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 | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 3.0| Infarct | | 1 3.0| Mineralization | 2 | 1 2.0| Nephropathy | 2 1 2 2 2 2 1 1 1 1 1 1 1 2 2 2 2 1 1 1 1 2 1 3| 44 1.7| Pelvis, Dilatation | | 1 3.0| Pelvis, Inflammation, Acute | 3 | 2 2.5| Transitional Epithelium, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + A +| 48 | Inflammation, Chronic Active | 2 | 2 1.5| Artery, Inflammation | 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 45 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 8| 3| 2| 3| 5| 9| 3| 3| 3| 3| 4| 1| 3| 3| 3| 2| 3| 3| 7| 3| 3| 3| 3| | 3| 3| 8| 3| 3| 3| 8| 7| 4| 4| 4| 9| 9| 5| 5| 3| 4| 3| 3| 3| 0| 5| 3| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + M + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X X | Cyst | | Eosinophilic Focus | X X | Mixed Cell Focus | | Necrosis | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis | 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Inflammation, Chronic Active | | Lipomatosis | 4 4 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 2 2 1 | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 1 2 1 2 2 2 | Hypertrophy | 2 1 2 2 2 1 2 2 2 2 1 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + M + I + + + + + + M + M + + + M + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| Pars Intermedia, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 3 2 1 2 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 8| 3| 2| 3| 5| 9| 3| 3| 3| 3| 4| 1| 3| 3| 3| 2| 3| 3| 7| 3| 3| 3| 3| | 3| 3| 8| 3| 3| 3| 8| 7| 4| 4| 4| 9| 9| 5| 5| 3| 4| 3| 3| 3| 0| 5| 3| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Penis | + + | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 2 3 | Inflammation, Chronic Active | 3 3 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + I + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | Iliac, Infiltration Cellular, Plasma | | Cell | | __________________________________________________________________________| Lymph Node, Bronchial | + + + M + + + + + + M + M + + + M + + M + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + M + M + + + + M M + M + + + M + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + M + M + + + + + + + + + + + + +| Angiectasis | 3 | __________________________________________________________________________| Lymph Node, Mediastinal | + M + + + + + M M + M + + M M + M + M + + M + M M| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 4 4 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | + M M M M + M + + + + M M + + M + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Prepuce, Inflammation, Acute | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Metaplasia, Squamous | 1 | Glands, Inflammation, Suppurative | 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 6| 5| 7| 7| 7| 6| 6| 4| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 8| 3| 2| 3| 5| 9| 3| 3| 3| 3| 4| 1| 3| 3| 3| 2| 3| 3| 7| 3| 3| 3| 3| | 3| 3| 8| 3| 3| 3| 8| 7| 4| 4| 4| 9| 9| 5| 5| 3| 4| 3| 3| 3| 0| 5| 3| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 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 | | | | Inflammation, Suppurative | 1 | Olfactory Epithelium, Degeneration | 2 2 2 2 2 2 1 2 1 2 1 1 2 1 1 1 1 2 1 1 1 1 1 1 | Olfactory Epithelium, Necrosis | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Infarct | 2 2 | Mineralization | 2 | Necrosis | 2 | Nephropathy | 1 2 2 2 1 1 1 1 2 2 1 1 2 2 2 2 2 1 2 2 2 2| Artery, Inflammation | | Pelvis, Inflammation, Acute | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 2 | Inflammation, Chronic Active | | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 6| 5| 7| 7| 7| 7| 7| 6| 7| 6| 4| 7| 7| 6| 5| 7| 7| | DAY ON TEST | 7| 3| 3| 5| 3| 3| 6| 3| 9| 7| 3| 3| 3| 3| 3| 5| 3| 9| 9| 3| 3| 1| 4| 0| 3| | | 9| 4| 5| 3| 5| 4| 5| 4| 0| 1| 3| 4| 5| 3| 3| 3| 3| 1| 9| 3| 5| 6| 7| 9| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | __________________________________________________________________________|____________| Gallbladder | + + M M + + + + A A + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + A A + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A A + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X | 4 | Clear Cell Focus | | 2 | Cyst | 3 | 1 3.0| Eosinophilic Focus | X | 3 | Mixed Cell Focus | X | 1 | Necrosis | 2 2 | 2 2.0| __________________________________________________________________________|____________| Mesentery | + | 3 | Fat, Necrosis | 2 | 2 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 4.0| Inflammation, Chronic Active | 2 | 1 2.0| Lipomatosis | 1 2 | 5 2.6| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 1 1 1 1 1 1 2 2 2 2 1 2 2 1 2 | 27 1.3| Inflammation, Suppurative | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 2 2 2 2 1 2 2 2 1 | 18 1.8| Hypertrophy | 2 1 2 1 1 2 1 2 2 2 2 1 1 1| 26 1.6| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + M + M + + + + + + + + + + + M + + +| 42 | __________________________________________________________________________________________________________________________________ * : 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: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 6| 5| 7| 7| 7| 7| 7| 6| 7| 6| 4| 7| 7| 6| 5| 7| 7| | DAY ON TEST | 7| 3| 3| 5| 3| 3| 6| 3| 9| 7| 3| 3| 3| 3| 3| 5| 3| 9| 9| 3| 3| 1| 4| 0| 3| | | 9| 4| 5| 3| 5| 4| 5| 4| 0| 1| 3| 4| 5| 3| 3| 3| 3| 1| 9| 3| 5| 6| 7| 9| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Intermedia, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 1 1 1 2 3 1| 12 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Penis | | 2 | Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 | 4 2.5| Inflammation, Chronic Active | 2 2 | 5 2.6| __________________________________________________________________________|____________| Prostate | + + + + + + + + + I + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Iliac, Infiltration Cellular, Plasma | | | Cell | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | M + + M + M M + + + M M + + M + M M M + + + M + +| 34 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + M + M M M M + M + M + + + + M + M + + M M| 31 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + M + + + + +| 47 | Angiectasis | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + + + + + + + + + + M M + + + + + + M + M| 34 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | 4 2 2 3 3 3 | 9 3.2| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Thymus | M + + + M + + + + M + + M M + + + M + + + + + + +| 36 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Prepuce, Inflammation, Acute | 3 4 4 4 4 4 4 4 | 9 3.9| _____________________________________________________________________________________________________________________| | 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 50 NTP Experiment-Test: 60968-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 09/23/96 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 16:11:49 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 6| 7| 6| 5| 7| 7| 7| 7| 7| 6| 7| 6| 4| 7| 7| 6| 5| 7| 7| | DAY ON TEST | 7| 3| 3| 5| 3| 3| 6| 3| 9| 7| 3| 3| 3| 3| 3| 5| 3| 9| 9| 3| 3| 1| 4| 0| 3| | | 9| 4| 5| 3| 5| 4| 5| 4| 0| 1| 3| 4| 5| 3| 3| 3| 3| 1| 9| 3| 5| 6| 7| 9| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epiglottis, Metaplasia, Squamous | 1 1 | 3 1.0| Glands, Inflammation, Suppurative | 2 1 | 3 1.3| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 1 1 | 2 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 1 | 3 1.3| Olfactory Epithelium, Degeneration | 1 2 1 2 1 2 1 1 1 1 2 1 1 1 2 2 1 2 1 2 2 | 45 1.4| Olfactory Epithelium, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 | 1 2.0| Infarct | 2 2 2 | 5 2.0| Mineralization | | 1 2.0| Necrosis | | 1 2.0| Nephropathy | 2 2 2 4 2 2 2 2 1 2 2 2 2 2 1 2 1 2 2 2 2 1 2| 45 1.8| Artery, Inflammation | 2 2 | 2 2.0| Pelvis, Inflammation, Acute | 4 2 | 2 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 2.0| Inflammation, Chronic Active | 2 4 4 | 3 3.3| Transitional Epithelium, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 51 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------