TDMS Study 05184-05 Pathology Tables
NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 2 YEAR CHRONIC Facility: Battelle Northwest Chemical CAS #: 111-30-8 Lock Date: 07/28/97 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All a Number of animals examined microscopically at site and number of animals with lesion Page 1 NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 50 50 50 50 Early Deaths Moribund Sacrifice 22 17 32 34 Natural Death 2 2 3 2 Survivors Terminal Sacrifice 26 31 15 14 Animals Examined Microscopically 50 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Colon (48) (49) (49) (49) Diverticulum 1 (2%) Parasite Metazoan 2 (4%) 4 (8%) 1 (2%) 1 (2%) Intestine Large, Rectum (48) (50) (49) (49) Parasite Metazoan 3 (6%) 4 (8%) 4 (8%) Intestine Large, Cecum (48) (48) (49) (49) Parasite Metazoan 5 (10%) 4 (8%) 3 (6%) 3 (6%) Liver (50) (50) (50) (50) Angiectasis 1 (2%) 2 (4%) Basophilic Focus 1 (2%) 2 (4%) 1 (2%) 1 (2%) Basophilic Focus, Multiple 1 (2%) 2 (4%) 2 (4%) Clear Cell Focus 6 (12%) 4 (8%) 4 (8%) 3 (6%) Clear Cell Focus, Multiple 3 (6%) 2 (4%) 1 (2%) Hematopoietic Cell Proliferation 1 (2%) 1 (2%) Hepatodiaphragmatic Nodule 3 (6%) 6 (12%) 3 (6%) 3 (6%) Inflammation, Granulomatous 1 (2%) Necrosis 2 (4%) Vacuolization Cytoplasmic 5 (10%) 1 (2%) 3 (6%) Mesentery (10) (9) (7) (3) Inflammation, Granulomatous 1 (14%) Fat, Necrosis 9 (90%) 9 (100%) 7 (100%) 3 (100%) Pancreas (50) (50) (50) (50) Acinus, Atrophy 3 (6%) 3 (6%) 3 (6%) 4 (8%) Salivary Glands (50) (50) (50) (50) Atrophy 1 (2%) Stomach, Forestomach (49) (50) (50) (50) Erosion 1 (2%) Hyperkeratosis 1 (2%) Inflammation, Suppurative 3 (6%) 4 (8%) 2 (4%) 4 (8%) Ulcer 3 (6%) 2 (4%) 2 (4%) 2 (4%) Epithelium, Hyperplasia 3 (6%) 4 (8%) 3 (6%) 5 (10%) Stomach, Glandular (49) (49) (50) (50) Erosion 1 (2%) 1 (2%) Inflammation, Suppurative 1 (2%) 2 (4%) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Tongue (1) (1) Hyperkeratosis 1 (100%) Hyperplasia 1 (100%) Tooth (1) (2) (3) Degeneration 1 (100%) 2 (100%) 2 (67%) Inflammation, Suppurative 1 (50%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Blood Vessel (50) (50) (50) (49) Inflammation 1 (2%) 1 (2%) 1 (2%) Mineralization 1 (2%) Thrombosis 1 (2%) Heart (50) (50) (50) (50) Atrium, Thrombosis 1 (2%) 1 (2%) Myocardium, Fibrosis 3 (6%) 1 (2%) 4 (8%) 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (50) (50) (50) (49) Atrophy 1 (2%) Fibrosis 1 (2%) Hematopoietic Cell Proliferation 1 (2%) 1 (2%) Hemorrhage 1 (2%) 1 (2%) Vacuolization Cytoplasmic 7 (14%) 6 (12%) 11 (22%) 9 (18%) Adrenal Medulla (50) (50) (50) (49) Hyperplasia 2 (4%) 1 (2%) 2 (4%) 1 (2%) Islets, Pancreatic (49) (50) (50) (50) Hyperplasia 1 (2%) Parathyroid Gland (42) (39) (44) (36) Hyperplasia 2 (5%) Pituitary Gland (50) (50) (50) (49) Cyst 3 (6%) 1 (2%) 3 (6%) 2 (4%) Hemorrhage 1 (2%) 1 (2%) 1 (2%) Pars Distalis, Hyperplasia 3 (6%) 4 (8%) 4 (8%) 7 (14%) Thyroid Gland (50) (50) (49) (49) C-Cell, Hyperplasia 3 (6%) 4 (8%) 4 (8%) 4 (8%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (49) (50) (50) (50) Cyst 1 (2%) Hyperplasia 4 (8%) 7 (14%) 2 (4%) Inflammation, Suppurative 1 (2%) 1 (2%) 1 (2%) Ovary (50) (50) (50) (49) Cyst 2 (4%) 3 (6%) 7 (14%) 3 (6%) Cyst, Multiple 1 (2%) Bilateral, Cyst 1 (2%) Oviduct (1) Cyst 1 (100%) Uterus (50) (50) (50) (50) Cyst 1 (2%) Hemorrhage 1 (2%) 1 (2%) Hydrometra 1 (2%) Cervix, Myometrium, Hypertrophy 1 (2%) Vagina (1) Inflammation 1 (100%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (50) (50) (50) Fibrosis 2 (4%) Lymph Node, Bronchial (46) (46) (48) (42) Fibrosis 1 (2%) Lymph Node, Mesenteric (50) (50) (50) (50) Fibrosis 1 (2%) Infiltration Cellular, Histiocyte 1 (2%) Spleen (50) (50) (50) (50) Accessory Spleen 1 (2%) 1 (2%) Fibrosis 5 (10%) 7 (14%) 8 (16%) 4 (8%) Hematopoietic Cell Proliferation 2 (4%) 1 (2%) 1 (2%) Hemorrhage 1 (2%) 2 (4%) 1 (2%) Thymus (50) (50) (50) (49) Cyst 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (50) (50) (50) (50) Galactocele 2 (4%) 2 (4%) Hyperplasia 1 (2%) Metaplasia, Squamous 1 (2%) Epithelium, Hyperplasia 2 (4%) Skin (50) (50) (50) (50) Cyst Epithelial Inclusion 1 (2%) 3 (6%) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - CONT Hyperkeratosis 2 (4%) Inflammation, Suppurative 1 (2%) Ulcer 1 (2%) Hair Follicle, Inflammation, Chronic 1 (2%) Subcutaneous Tissue, Inflammation 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) (50) (50) Osteopetrosis 1 (2%) Sternum, Cyst 1 (2%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (49) (50) (50) (50) Hemorrhage 3 (6%) 1 (2%) 7 (14%) 3 (6%) Hydrocephalus 10 (20%) 10 (20%) 7 (14%) 2 (4%) Spinal Cord (1) (2) (4) Demyelination 2 (100%) 2 (50%) Neuron, Degeneration 1 (100%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Larynx (49) (50) (50) (49) Foreign Body 4 (8%) 3 (6%) 2 (4%) 6 (12%) Epiglottis, Inflammation, Suppurative 1 (2%) 2 (4%) 5 (10%) Epiglottis, Metaplasia, Squamous 1 (2%) Glands, Inflammation 20 (41%) 16 (32%) 18 (36%) 19 (39%) Squamous Epithelium, Hyperplasia 5 (10%) 1 (2%) 1 (2%) Lung (50) (50) (50) (49) Hemorrhage 1 (2%) Inflammation, Chronic 1 (2%) 1 (2%) Necrosis 1 (2%) Alveolar Epithelium, Hyperplasia 7 (14%) 4 (8%) 2 (4%) 4 (8%) Alveolus, Emphysema 2 (4%) Alveolus, Hemorrhage 1 (2%) 1 (2%) Alveolus, Infiltration Cellular, Histiocyte 29 (58%) 24 (48%) 22 (44%) 35 (71%) Alveolus, Inflammation, Suppurative 2 (4%) 1 (2%) 1 (2%) Interstitium, Fibrosis 9 (18%) 13 (26%) 17 (34%) 24 (49%) Venule, Thrombosis 1 (2%) Nose (50) (50) (50) (49) Concretion 2 (4%) Foreign Body 5 (10%) 3 (6%) 2 (4%) Goblet Cell, Respiratory Epithelium, a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - CONT Hyperplasia 1 (2%) 3 (6%) 5 (10%) 8 (16%) Nasolacrimal Duct, Inflammation 4 (8%) 2 (4%) 2 (4%) 1 (2%) Olfactory Epithelium, Atrophy 2 (4%) Olfactory Epithelium, Degeneration, Hyaline 4 (8%) 5 (10%) 12 (24%) 15 (31%) Olfactory Epithelium, Inflammation 1 (2%) Respiratory Epithelium, Hyperplasia 1 (2%) 6 (12%) 15 (30%) 29 (59%) Respiratory Epithelium, Inflammation 5 (10%) 9 (18%) 26 (52%) 42 (86%) Respiratory Epithelium, Metaplasia, Squamous 1 (2%) 1 (2%) 11 (22%) 16 (33%) Septum, Respiratory Epithelium, Ulcer 1 (2%) Squamous Epithelium, Hyperplasia 3 (6%) 15 (30%) 29 (58%) 45 (92%) Squamous Epithelium, Inflammation 6 (12%) 26 (52%) 42 (84%) 48 (98%) Pleura (2) Hyperplasia, Focal 1 (50%) Inflammation, Chronic 1 (50%) Trachea (49) (50) (50) (50) Inflammation, Suppurative 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (2) (2) (3) Atrophy 1 (50%) Cataract 1 (50%) 1 (50%) 3 (100%) Degeneration 1 (50%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (49) (50) (50) (50) Cyst 1 (2%) Mineralization 1 (2%) Nephropathy, Chronic 38 (78%) 42 (84%) 37 (74%) 33 (66%) Pelvis, Dilatation 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 50 50 50 50 Early Deaths Moribund Sacrifice 33 30 32 37 Natural Death 5 6 9 7 Survivors Terminal Sacrifice 11 14 9 6 Natural Death 1 Animals Examined Microscopically 50 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (50) (50) (50) (50) Foreign Body 1 (2%) Ulcer 1 (2%) Intestine Large, Colon (49) (48) (48) (45) Mineralization 1 (2%) Parasite Metazoan 2 (4%) 3 (6%) Muscularis, Mineralization 1 (2%) Intestine Large, Rectum (50) (48) (49) (46) Diverticulum 1 (2%) Parasite Metazoan 4 (8%) 2 (4%) 3 (7%) Intestine Large, Cecum (47) (46) (48) (45) Parasite Metazoan 3 (6%) 1 (2%) 9 (19%) 2 (4%) Intestine Small, Jejunum (47) (46) (43) (44) Necrosis 1 (2%) Intestine Small, Ileum (46) (46) (44) (44) Inflammation, Focal, Suppurative 1 (2%) Liver (50) (50) (50) (50) Angiectasis 2 (4%) 2 (4%) 1 (2%) 3 (6%) Basophilic Focus 1 (2%) 1 (2%) Clear Cell Focus 4 (8%) 1 (2%) 1 (2%) Clear Cell Focus, Multiple 2 (4%) Hepatodiaphragmatic Nodule 1 (2%) 2 (4%) Inflammation, Suppurative 1 (2%) Necrosis 1 (2%) 2 (4%) 1 (2%) Thrombosis 1 (2%) Vacuolization Cytoplasmic 7 (14%) 1 (2%) 2 (4%) 1 (2%) Bile Duct, Hyperplasia 3 (6%) 2 (4%) Hepatocyte, Degeneration, Focal 3 (6%) 1 (2%) Hepatocyte, Hyperplasia 1 (2%) Mesentery (10) (7) (6) (7) Hemorrhage 1 (17%) Thrombosis 1 (17%) Fat, Necrosis 8 (80%) 6 (86%) 5 (83%) 6 (86%) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Pancreas (50) (49) (50) (48) Angiectasis 1 (2%) Hemorrhage 1 (2%) Acinus, Atrophy 9 (18%) 3 (6%) 2 (4%) 5 (10%) Stomach, Forestomach (49) (49) (50) (48) Hemorrhage 1 (2%) Inflammation, Suppurative 8 (16%) 3 (6%) 3 (6%) 5 (10%) Mineralization 4 (8%) 1 (2%) 1 (2%) Ulcer 5 (10%) 7 (14%) 4 (8%) 2 (4%) Epithelium, Hyperplasia 11 (22%) 2 (4%) 2 (4%) 4 (8%) Stomach, Glandular (49) (49) (50) (48) Erosion 1 (2%) 1 (2%) 2 (4%) Inflammation, Suppurative 1 (2%) 1 (2%) Ulcer 2 (4%) Epithelium, Mineralization 9 (18%) 5 (10%) 3 (6%) 4 (8%) Epithelium, Necrosis 1 (2%) Tongue (1) (2) (1) Hyperkeratosis 1 (50%) Tooth (1) (8) Degeneration 1 (100%) 8 (100%) Inflammation 1 (13%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Blood Vessel (45) (50) (50) (50) Inflammation 1 (2%) 2 (4%) Mineralization 7 (16%) 3 (6%) 1 (2%) 4 (8%) Heart (50) (50) (50) (50) Mineralization 6 (12%) 2 (4%) 1 (2%) 4 (8%) Atrium, Thrombosis 3 (6%) 2 (4%) 1 (2%) Myocardium, Fibrosis 12 (24%) 10 (20%) 8 (16%) 7 (14%) Myocardium, Ventricle, Hypertrophy 1 (2%) Valve, Thrombosis 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (50) (50) (50) (49) Accessory Adrenal Cortical Nodule 1 (2%) Hemorrhage 1 (2%) 1 (2%) Hyperplasia 1 (2%) Vacuolization Cytoplasmic 9 (18%) 6 (12%) 8 (16%) 2 (4%) Adrenal Medulla (50) (50) (50) (49) Hyperplasia 12 (24%) 9 (18%) 6 (12%) 2 (4%) Bilateral, Hyperplasia 1 (2%) Islets, Pancreatic (50) (49) (50) (48) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - CONT Hyperplasia 1 (2%) 1 (2%) Parathyroid Gland (42) (38) (45) (41) Hyperplasia 7 (17%) 7 (18%) 1 (2%) 3 (7%) Pituitary Gland (50) (49) (50) (50) Cyst 2 (4%) 2 (4%) 1 (2%) 1 (2%) Hemorrhage 1 (2%) 3 (6%) 3 (6%) Pars Distalis, Hyperplasia 6 (12%) 5 (10%) 4 (8%) 1 (2%) Thyroid Gland (50) (50) (50) (50) C-Cell, Hyperplasia 6 (12%) 2 (4%) 8 (16%) 5 (10%) Follicular Cell, Hyperplasia 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (50) (50) (50) (50) Inflammation 1 (2%) Spermatocele 1 (2%) Preputial Gland (50) (50) (50) (50) Cyst 1 (2%) Hyperplasia 1 (2%) 2 (4%) Inflammation, Suppurative 5 (10%) 2 (4%) 3 (6%) 1 (2%) Prostate (50) (50) (50) (50) Hyperplasia 1 (2%) 2 (4%) Inflammation 9 (18%) 4 (8%) 5 (10%) 3 (6%) Seminal Vesicle (50) (50) (50) (49) Inflammation, Chronic 1 (2%) Inflammation, Suppurative 3 (6%) 1 (2%) Testes (50) (50) (50) (50) Arteriole, Inflammation 1 (2%) Bilateral, Interstitial Cell, Hyperplasia 4 (8%) 1 (2%) 4 (8%) Germinal Epithelium, Atrophy 12 (24%) 9 (18%) 13 (26%) 6 (12%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (50) (50) (50) Fibrosis 7 (14%) 5 (10%) 2 (4%) 3 (6%) Lymph Node, Bronchial (39) (42) (40) (42) Fibrosis 1 (3%) 1 (2%) Lymph Node, Mandibular (47) (48) (49) (49) Hyperplasia 1 (2%) Lymph Node, Mediastinal (47) (50) (50) (50) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - CONT Hemorrhage 1 (2%) Spleen (50) (50) (50) (50) Accessory Spleen 1 (2%) Fibrosis 15 (30%) 15 (30%) 16 (32%) 9 (18%) Hematopoietic Cell Proliferation 1 (2%) Hemorrhage 1 (2%) 1 (2%) Infarct 3 (6%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (49) (50) (50) (50) Galactocele 2 (4%) 1 (2%) 5 (10%) Skin (50) (50) (50) (50) Cyst Epithelial Inclusion 2 (4%) 2 (4%) Hyperkeratosis 1 (2%) Hyperplasia 1 (2%) 1 (2%) Ulcer 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) (50) (50) Tibia, Fracture 1 (2%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (50) (50) (50) Hemorrhage 3 (6%) 4 (8%) 10 (20%) 1 (2%) Hydrocephalus 5 (10%) 7 (14%) 10 (20%) 5 (10%) Mineralization 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Larynx (50) (50) (50) (50) Foreign Body 1 (2%) 2 (4%) 3 (6%) 2 (4%) Epiglottis, Inflammation, Suppurative 1 (2%) 1 (2%) Glands, Inflammation 28 (56%) 18 (36%) 18 (36%) 26 (52%) Squamous Epithelium, Hyperplasia 1 (2%) 1 (2%) 1 (2%) Lung (50) (50) (50) (50) Inflammation 1 (2%) Mineralization 1 (2%) Alveolar Epithelium, Hyperplasia 9 (18%) 3 (6%) 5 (10%) 4 (8%) Alveolus, Emphysema 1 (2%) Alveolus, Hemorrhage 3 (6%) 2 (4%) 1 (2%) 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - CONT Alveolus, Infiltration Cellular, Histiocyte 23 (46%) 15 (30%) 14 (28%) 11 (22%) Alveolus, Inflammation, Suppurative 2 (4%) 2 (4%) Alveolus, Metaplasia, Osseous 1 (2%) 1 (2%) Alveolus, Mineralization 4 (8%) 3 (6%) 1 (2%) 4 (8%) Bronchiole, Foreign Body 1 (2%) Bronchiole, Hyperplasia 1 (2%) Bronchiole, Inflammation, Suppurative 1 (2%) Interstitium, Fibrosis 8 (16%) 14 (28%) 17 (34%) 7 (14%) Nose (50) (50) (50) (50) Foreign Body 2 (4%) 2 (4%) 1 (2%) Goblet Cell, Respiratory Epithelium, Hyperplasia 1 (2%) 6 (12%) 6 (12%) Nasolacrimal Duct, Inflammation 3 (6%) Olfactory Epithelium, Atrophy 4 (8%) Olfactory Epithelium, Degeneration, Hyaline 4 (8%) 8 (16%) 9 (18%) 14 (28%) Olfactory Epithelium, Foreign Body 1 (2%) 1 (2%) Olfactory Epithelium, Hyperplasia 1 (2%) Olfactory Epithelium, Inflammation 1 (2%) 1 (2%) 1 (2%) Respiratory Epithelium, Hyperplasia 6 (12%) 5 (10%) 17 (34%) 35 (70%) Respiratory Epithelium, Inflammation 17 (34%) 10 (20%) 25 (50%) 43 (86%) Respiratory Epithelium, Metaplasia, Squamous 1 (2%) 2 (4%) 11 (22%) 24 (48%) Squamous Epithelium, Foreign Body 1 (2%) Squamous Epithelium, Hyperplasia 3 (6%) 11 (22%) 39 (78%) 48 (96%) Squamous Epithelium, Inflammation 6 (12%) 17 (34%) 41 (82%) 49 (98%) Pleura (2) Inflammation, Suppurative 1 (50%) Trachea (50) (50) (50) (50) Mineralization 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (1) (3) (3) Cataract 1 (100%) 3 (100%) 2 (67%) Inflammation, Suppurative 1 (33%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (50) (50) (50) Cyst 2 (4%) 1 (2%) 2 (4%) Infarct 1 (2%) Mineralization 3 (6%) 1 (2%) Nephropathy, Chronic 43 (86%) 48 (96%) 48 (96%) 38 (76%) Papilla, Transitional Epithelium, Hyperplasia 1 (2%) 1 (2%) Pelvis, Dilatation 1 (2%) Pelvis, Inflammation, Suppurative 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion NTP Experiment-Test: 05184-05 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC GLUTARALDEHYDE Date: 09/14/98 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 08:20:52 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 250 PPB 500 PPB 750 PPB ____________________________________________________________________________________________________________________________________ URINARY SYSTEM - CONT Renal Tubule, Atrophy 1 (2%) Renal Tubule, Atypia Cellular 1 (2%) Renal Tubule, Regeneration 1 (2%) Urinary Bladder (50) (49) (50) (48) Inflammation, Suppurative 1 (2%) Transitional Epithelium, Hyperplasia 2 (4%) 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------