TR 386 Rat Pathology Tables
INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) TETRANITROMETHANE NTP Experiment-Test: 05072-01 Report: PEIRPT05 Study Type: CHRONIC Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 Facility: Midwest Research Institute Chemical CAS #: 509-14-8 Lock Date: None 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: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 50 50 50 Early Deaths Natural Death 6 3 8 Moribund Sacrifice 19 13 27 Survivors Terminal Sacrifice 25 34 15 Animals Examined Microscopically 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Cecum (49) (48) (48) Intestine Large, Colon (50) (49) (48) Intestine Large, Rectum (49) (49) (49) Intestine Small, Duodenum (49) (49) (49) Leiomyoma 1 (2%) Intestine Small, Ileum (46) (49) (46) Intestine Small, Jejunum (44) (47) (43) Liver (50) (50) (50) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Hepatocellular Carcinoma 1 (2%) Hepatocellular Adenoma 1 (2%) 1 (2%) Sarcoma, Metastatic, Lung 1 (2%) Mesentery (4) (6) (8) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (13%) Sarcoma, Metastatic, Uncertain Primary Site 1 (13%) Sarcoma, Metastatic, Uterus 1 (13%) Pancreas (50) (50) (49) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 3 (6%) Mixed Tumor Malignant, Metastatic, Lung 1 (2%) Sarcoma, Metastatic, Lung 1 (2%) Salivary Glands (50) (50) (50) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) ____________________________________________________________________________________________________________________________________ Page 2 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (50) (50) Alveolar/Bronchiolar Carcinoma, Multiple, Metastatic, Lung 1 (2%) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 3 (6%) Sarcoma, Multiple, Metastatic, Lung 1 (2%) Epicardium, Carcinoma, Metastatic, Lung 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland (50) (50) (50) Adrenal Gland, Cortex (50) (49) (50) Adenoma 3 (6%) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 5 (10%) Carcinoma 1 (2%) Carcinoma, Metastatic, Lung 1 (2%) Medulla, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 2 (4%) Adrenal Gland, Medulla (43) (48) (45) Pheochromocytoma Complex 1 (2%) Pheochromocytoma Benign 2 (5%) 3 (6%) 2 (4%) Sarcoma, Metastatic, Lung 1 (2%) Bilateral, Pheochromocytoma Benign 1 (2%) 1 (2%) Islets, Pancreatic (50) (50) (49) Carcinoma 1 (2%) Pituitary Gland (50) (48) (50) Pars Distalis, Adenoma 27 (54%) 27 (56%) 24 (48%) Pars Distalis, Adenoma, Two 1 (2%) 2 (4%) 1 (2%) Pars Distalis, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Pars Distalis, Carcinoma 1 (2%) 2 (4%) Pars Intermedia, Adenoma 1 (2%) Thyroid Gland (49) (50) (50) C-Cell, Adenoma 3 (6%) 6 (12%) 4 (8%) C-Cell, Carcinoma 3 (6%) 2 (4%) 1 (2%) Follicular Cell, Adenoma 1 (2%) Follicular Cell, Carcinoma 1 (2%) ____________________________________________________________________________________________________________________________________ Page 3 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Tissue NOS (3) Alveolar/Bronchiolar Carcinoma, Multiple, Metastatic, Lung 1 (33%) Sarcoma, Metastatic, Uncertain Primary Site 1 (33%) Squamous Cell Carcinoma, Metastatic, Lung 1 (33%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (47) (48) (44) Adenoma 1 (2%) 4 (8%) Carcinoma 2 (4%) 1 (2%) Ovary (50) (50) (48) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 5 (10%) Bilateral, Carcinoma, Metastatic, Lung 1 (2%) Bilateral, Sarcoma, Metastatic, Lung 1 (2%) Uterus (50) (50) (50) Deciduoma Benign 1 (2%) Polyp Stromal 9 (18%) 8 (16%) 5 (10%) Polyp Stromal, Two 1 (2%) Sarcoma 2 (4%) Sarcoma Stromal 1 (2%) Bilateral, Polyp Stromal 2 (4%) 3 (6%) Vagina (2) (1) Schwannoma Malignant, Metastatic, Urinary Bladder 1 (100%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (48) (50) (50) Lymph Node (50) (50) (50) Sarcoma, Metastatic, Lung 1 (2%) Mediastinal, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 5 (10%) Mediastinal, Carcinoma, Metastatic, Lung 1 (2%) Serosa, Mediastinal, Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) Lymph Node, Mandibular (49) (50) (49) Lymph Node, Mesenteric (47) (49) (49) Spleen (50) (50) (50) Squamous Cell Carcinoma, Metastatic, Lung 1 (2%) Thymus (48) (46) (42) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 4 (10%) Page 4 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (48) (50) (50) Adenocarcinoma 1 (2%) Adenoma 1 (2%) Fibroadenoma 7 (15%) 11 (22%) 4 (8%) Fibroadenoma, Two 1 (2%) 1 (2%) 2 (4%) Skin (50) (50) (50) Basal Cell Adenoma 1 (2%) Basosquamous Tumor Malignant 1 (2%) Keratoacanthoma 1 (2%) 1 (2%) Squamous Cell Papilloma 2 (4%) 1 (2%) Subcutaneous Tissue, Alveolar/Bronchiolar Carcinoma, Metastatic 1 (2%) Subcutaneous Tissue, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Subcutaneous Tissue, Fibroma 1 (2%) 1 (2%) Subcutaneous Tissue, Fibrosarcoma 1 (2%) Subcutaneous Tissue, Sarcoma 1 (2%) Vulva, Papilloma 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (50) (50) Astrocytoma Benign 1 (2%) Astrocytoma Malignant 2 (4%) Cerebellum, Meningioma Malignant 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (50) (50) Alveolar/Bronchiolar Adenoma 6 (12%) 3 (6%) Alveolar/Bronchiolar Carcinoma 11 (22%) 3 (6%) Alveolar/Bronchiolar Carcinoma, Multiple 1 (2%) 44 (88%) Alveolar/Bronchiolar Carcinoma, Two 7 (14%) 3 (6%) Chordoma, Metastatic, Uncertain Primary Site 1 (2%) Mixed Tumor Malignant, Multiple 1 (2%) Osteosarcoma, Metastatic, Uncertain Primary Page 5 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont Site 1 (2%) Sarcoma, Multiple 1 (2%) Squamous Cell Carcinoma 1 (2%) 10 (20%) Squamous Cell Carcinoma, Multiple 2 (4%) Mediastinum, Carcinoma, Metastatic, Lung 1 (2%) Mediastinum, Squamous Cell Carcinoma, Metastatic, Lung 1 (2%) Pleura, Mediastinum, Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (50) (50) Alveolar/Bronchiolar Carcinoma, Multiple, Metastatic, Lung 2 (4%) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 7 (14%) Carcinoma, Metastatic, Lung 1 (2%) Osteosarcoma, Metastatic, Uncertain Primary Site 1 (2%) Sarcoma, Metastatic, Lung 2 (4%) Urinary Bladder (49) (50) (48) Schwannoma Malignant 1 (2%) Transitional Epithelium, Papilloma 1 (2%) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(50) *(50) *(50) Leukemia 1 (2%) Leukemia Mononuclear 18 (36%) 10 (20%) 6 (12%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 6 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 47 49 50 Total Primary Neoplasms 84 119 137 Total Animals with Benign Neoplasms 37 42 37 Total Benign Neoplasms 57 80 56 Total Animals with Malignant Neoplasms 24 31 50 Total Malignant Neoplasms 27 39 81 Total Animals with Metastatic Neoplasms 2 20 Total Metastatic Neoplasm 2 69 Total Animals with Malignant Neoplasms 1 2 Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant Total Uncertain Neoplasms ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 7 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 50 50 50 Early Deaths Moribund Sacrifice 27 25 39 Natural Death 5 8 7 Survivors Terminal Sacrifice 18 17 4 Animals Examined Microscopically 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Cecum (45) (49) (49) Intestine Large, Colon (49) (47) (49) Intestine Large, Rectum (46) (48) (48) Intestine Small, Duodenum (48) (49) (48) Adenocarcinoma 1 (2%) Intestine Small, Ileum (46) (45) (46) Peyer's Patch, Fibrous Histiocytoma 1 (2%) Intestine Small, Jejunum (47) (42) (45) Adenocarcinoma 1 (2%) Leiomyosarcoma 1 (2%) Polyp Adenomatous 1 (2%) Liver (50) (50) (50) Adenocarcinoma, Multiple, Metastatic, Intestine Small 1 (2%) Alveolar/Bronchiolar Carcinoma, Multiple, Metastatic, Lung 1 (2%) Fibrous Histiocytoma 1 (2%) Hepatocellular Carcinoma 1 (2%) Hepatocellular Adenoma 1 (2%) Histiocytic Sarcoma 1 (2%) Neoplastic Nodule 1 (2%) Mesentery (4) (7) (6) Hemangioma 1 (25%) Histiocytic Sarcoma 1 (14%) Pancreas (49) (48) (50) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 6 (12%) Histiocytic Sarcoma 1 (2%) Acinus, Adenoma 2 (4%) Stomach, Forestomach (49) (49) (50) Histiocytic Sarcoma 1 (2%) Squamous Cell Papilloma 1 (2%) Tongue (2) (1) Page 8 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont Squamous Cell Carcinoma 1 (50%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Blood Vessel (2) (3) (2) Aorta, Adventitia, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (50%) Heart (50) (50) (50) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 3 (6%) 5 (10%) Fibrous Histiocytoma 1 (2%) Squamous Cell Carcinoma, Metastatic, Lung 2 (4%) Epicardium, Carcinoma, Metastatic, Uncertain Primary Site 1 (2%) Epicardium, Histiocytic Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland (50) (50) (50) Capsule, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Adrenal Gland, Cortex (50) (49) (48) Adenoma 1 (2%) 1 (2%) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) 3 (6%) Medulla, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) 1 (2%) Adrenal Gland, Medulla (46) (47) (47) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 2 (4%) Neuroblastoma Benign 1 (2%) Pheochromocytoma Malignant 1 (2%) 2 (4%) 1 (2%) Pheochromocytoma Benign 12 (26%) 14 (30%) 7 (15%) Pheochromocytoma Benign, Multiple 1 (2%) 3 (6%) Bilateral, Pheochromocytoma Benign 1 (2%) Islets, Pancreatic (49) (48) (50) Adenoma 3 (6%) 5 (10%) 6 (12%) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Carcinoma 4 (8%) 3 (6%) 4 (8%) Carcinoma, Two 1 (2%) Parathyroid Gland (47) (48) (43) Adenoma 1 (2%) Pituitary Gland (49) (49) (48) Pars Distalis, Adenoma 27 (55%) 22 (45%) 16 (33%) Page 9 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont Pars Distalis, Adenoma, Two 2 (4%) 2 (4%) 2 (4%) Pars Distalis, Carcinoma 1 (2%) Pars Intermedia, Adenoma 1 (2%) Thyroid Gland (49) (49) (50) C-Cell, Adenoma 3 (6%) 1 (2%) 3 (6%) C-Cell, Carcinoma 1 (2%) Follicular Cell, Carcinoma 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Tissue NOS (1) (2) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (100%) 1 (50%) Squamous Cell Carcinoma, Metastatic, Lung 1 (50%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (49) (49) (50) Preputial Gland (49) (48) (49) Carcinoma 3 (6%) 2 (4%) 1 (2%) Squamous Cell Carcinoma 1 (2%) Prostate (48) (50) (46) Adenocarcinoma 1 (2%) Adenoma 1 (2%) Seminal Vesicle (46) (47) (49) Testes (50) (50) (50) Bilateral, Interstitial Cell, Adenoma 19 (38%) 23 (46%) 23 (46%) Interstitial Cell, Adenoma 14 (28%) 15 (30%) 16 (32%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (49) (49) Lymph Node (50) (50) (50) Mediastinal, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 3 (6%) 1 (2%) Mediastinal, Histiocytic Sarcoma 1 (2%) Lymph Node, Mandibular (48) (44) (46) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Fibrous Histiocytoma 1 (2%) Mediastinal, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Lymph Node, Mesenteric (47) (48) (48) Histiocytic Sarcoma 1 (2%) Page 10 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont Spleen (50) (49) (50) Hemangiosarcoma 1 (2%) Thymus (36) (42) (43) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 4 (9%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (43) (46) (47) Adenoma 1 (2%) Fibroadenoma 1 (2%) 1 (2%) Skin (50) (49) (50) Basal Cell Adenoma 1 (2%) 1 (2%) Basal Cell Carcinoma 1 (2%) Keratoacanthoma 2 (4%) 2 (4%) Squamous Cell Papilloma 1 (2%) Trichoepithelioma 1 (2%) Subcutaneous Tissue, Fibroma 4 (8%) 2 (4%) 3 (6%) Subcutaneous Tissue, Lipoma 1 (2%) 1 (2%) Subcutaneous Tissue, Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (49) (49) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Periosteum, Femur, Fibrous Histiocytoma 1 (2%) Right, Femur, Osteosarcoma 1 (2%) Skeletal Muscle (1) (1) Hindlimb, Fibrous Histiocytoma 1 (100%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (50) (50) Granular Cell Tumor Benign 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (50) (50) Alveolar/Bronchiolar Adenoma 1 (2%) 11 (22%) 11 (22%) Alveolar/Bronchiolar Adenoma, Multiple 2 (4%) Alveolar/Bronchiolar Carcinoma 18 (36%) 4 (8%) Alveolar/Bronchiolar Carcinoma, Multiple 4 (8%) 35 (70%) Page 11 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont Alveolar/Bronchiolar Carcinoma, Two 4 (8%) 7 (14%) Fibrous Histiocytoma 1 (2%) Histiocytic Sarcoma 1 (2%) Pheochromocytoma Malignant, Metastatic, Adrenal Gland 1 (2%) Sarcoma 1 (2%) Squamous Cell Carcinoma 1 (2%) 14 (28%) Squamous Cell Carcinoma, Two 5 (10%) Mediastinum, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Pleura, Mediastinum, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Nose (48) (49) (50) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Zymbal's Gland (1) (2) (1) Adenoma 1 (100%) Carcinoma 1 (100%) Squamous Cell Papilloma 2 (100%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (50) (50) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) 5 (10%) Squamous Cell Carcinoma, Metastatic, Lung 2 (4%) Bilateral, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Capsule, Histiocytic Sarcoma 1 (2%) Ureter (1) (1) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (100%) Urinary Bladder (49) (49) (48) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(50) *(50) *(50) Histiocytic Sarcoma 1 (2%) Leukemia Mononuclear 27 (54%) 26 (52%) 22 (44%) Lymphoma Malignant 1 (2%) Mesothelioma Malignant 3 (6%) 2 (4%) 5 (10%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 12 NTP Experiment-Test: 05072-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC TETRANITROMETHANE Date: 09/09/94 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 01:16:35 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE CONTROL 2 PPM 5 PPM ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 48 49 50 Total Primary Neoplasms 140 190 199 Total Animals with Benign Neoplasms 47 46 49 Total Benign Neoplasms 92 114 98 Total Animals with Malignant Neoplasms 38 43 50 Total Malignant Neoplasms 48 76 101 Total Animals with Metastatic Neoplasms 2 6 20 Total Metastatic Neoplasm 2 13 42 Total Animals with Malignant Neoplasms 1 Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant Total Uncertain Neoplasms ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 13 ------------------------------------------------------------ ---------- END OF REPORT 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