TDMS Study 05121-07 Pathology Tables
NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 Facility: Battelle Columbus Laboratory Chemical CAS #: 6533-68-2 Lock Date: 06/01/92 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: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 70 60 70 70 70 Scheduled Sacrifice 10 10 10 10 10 Early Deaths Natural Death 7 3 3 5 6 Moribund Sacrifice 9 10 11 7 7 Dosing Accident 2 1 1 Survivors Terminal Sacrifice 33 36 36 37 38 Animals Examined Microscopically 61 60 60 60 61 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Gallbladder (61) (60) (59) (59) (61) Intestine Large, Rectum (61) (60) (60) (60) (60) Anus, Sarcoma 1 (2%) Intestine Small, Duodenum (61) (60) (59) (60) (61) Hemangiosarcoma 1 (2%) Intestine Small, Jejunum (61) (58) (59) (60) (60) Carcinoma 1 (2%) Liver (61) (60) (60) (60) (61) Hemangiosarcoma 1 (2%) Hemangiosarcoma, Multiple 1 (2%) Hepatocellular Carcinoma 7 (11%) 2 (3%) 5 (8%) 5 (8%) 4 (7%) Hepatocellular Carcinoma, Multiple 1 (2%) 1 (2%) 3 (5%) Hepatocellular Adenoma 11 (18%) 7 (12%) 13 (22%) 9 (15%) 4 (7%) Hepatocellular Adenoma, Multiple 5 (8%) 5 (8%) 2 (3%) Hepatocholangiocarcinoma 1 (2%) Histiocytic Sarcoma 1 (2%) 3 (5%) 2 (3%) 1 (2%) Bile Duct, Carcinoma 1 (2%) Mesentery (7) (5) (9) (4) (5) Carcinoma, Metastatic, Liver 1 (14%) Histiocytic Sarcoma 1 (20%) 1 (20%) Lipoma 1 (20%) Pancreas (61) (60) (60) (60) (61) Carcinoma, Metastatic, Liver 1 (2%) Histiocytic Sarcoma 1 (2%) Salivary Glands (60) (60) (60) (60) (61) Stomach, Forestomach (61) (60) (60) (60) (61) Mast Cell Tumor Benign 1 (2%) Squamous Cell Papilloma 1 (2%) 1 (2%) 2 (3%) Stomach, Glandular (61) (60) (60) (60) (61) Tongue (1) Page 2 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont Squamous Cell Carcinoma 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (61) (60) (60) (60) (61) Carcinoma, Metastatic, Liver 1 (2%) Hepatocholangiocarcinoma, Metastatic, Liver 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (61) (60) (60) (60) (61) Capsule, Adenoma 1 (2%) Adrenal Medulla (61) (58) (59) (59) (60) Pheochromocytoma Malignant 1 (2%) Pheochromocytoma Benign 2 (3%) Islets, Pancreatic (61) (60) (60) (60) (61) Adenoma 1 (2%) 1 (2%) Pituitary Gland (60) (58) (57) (57) (56) Pars Distalis, Adenoma 4 (7%) 1 (2%) 3 (5%) 3 (5%) 3 (5%) Pars Intermedia, Adenoma 1 (2%) 1 (2%) Thyroid Gland (61) (60) (59) (60) (61) Follicular Cell, Adenoma 3 (5%) 1 (2%) 3 (5%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (61) (59) (59) (59) (61) Cystadenoma 4 (7%) 3 (5%) 1 (2%) Fibroma 1 (2%) Hemangiosarcoma 1 (2%) Histiocytic Sarcoma 2 (3%) Luteoma 1 (2%) Uterus (61) (60) (60) (60) (61) Adenoma 1 (2%) Hemangioma 1 (2%) Hemangiosarcoma 1 (2%) 1 (2%) Hemangiosarcoma, Metastatic, Ovary 1 (2%) Histiocytic Sarcoma 2 (3%) Neoplasm NOS 1 (2%) Polyp Stromal 1 (2%) 1 (2%) Page 3 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont Sarcoma Stromal 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (61) (60) (60) (60) (61) Hemangiosarcoma 1 (2%) Histiocytic Sarcoma 1 (2%) 1 (2%) Lymph Node (6) (3) (5) (4) (3) Bronchial, Carcinoma, Metastatic, Harderian Gland 1 (25%) Bronchial, Carcinoma, Metastatic, Liver 1 (17%) Bronchial, Hepatocholangiocarcinoma, Metastatic, Liver 1 (17%) Bronchial, Histiocytic Sarcoma 1 (33%) Mediastinal, Carcinoma, Metastatic, Liver 1 (17%) Mediastinal, Hepatocholangiocarcinoma, Metastatic, Liver 1 (17%) Mediastinal, Histiocytic Sarcoma 1 (17%) 1 (33%) 1 (33%) Lymph Node, Mandibular (59) (57) (55) (58) (61) Histiocytic Sarcoma 1 (2%) Lymph Node, Mesenteric (60) (57) (56) (59) (58) Histiocytic Sarcoma 1 (2%) Spleen (61) (60) (60) (60) (61) Hemangiosarcoma 1 (2%) 1 (2%) Histiocytic Sarcoma 1 (2%) 1 (2%) 1 (2%) 1 (2%) Thymus (57) (53) (53) (56) (55) Hepatocholangiocarcinoma, Metastatic, Liver 1 (2%) Histiocytic Sarcoma 1 (2%) 1 (2%) Mast Cell Tumor Malignant 1 (2%) Mediastinum, Rhabdomyosarcoma, Metastatic, Skeletal Muscle 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (61) (60) (60) (60) (61) Squamous Cell Carcinoma 1 (2%) Subcutaneous Tissue, Fibrosarcoma 1 (2%) 1 (2%) 1 (2%) Subcutaneous Tissue, Hemangiosarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ Page 4 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (61) (60) (60) (60) (61) Hepatocholangiocarcinoma, Metastatic, Liver 1 (2%) Skeletal Muscle (1) (1) Hepatocholangiocarcinoma, Metastatic, Liver 1 (100%) Rhabdomyosarcoma 1 (100%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (61) (60) (60) (60) (61) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (61) (60) (60) (60) (61) Alveolar/Bronchiolar Adenoma 3 (5%) 2 (3%) 4 (7%) 1 (2%) 2 (3%) Alveolar/Bronchiolar Carcinoma 1 (2%) 1 (2%) 3 (5%) 1 (2%) 1 (2%) Carcinoma, Metastatic, Harderian Gland 1 (2%) 1 (2%) Carcinoma, Metastatic, Liver 1 (2%) Hemangiosarcoma, Metastatic, Ovary 1 (2%) Hepatocellular Carcinoma, Metastatic, Liver 1 (2%) 2 (3%) 5 (8%) 1 (2%) Hepatocholangiocarcinoma, Metastatic, Liver 1 (2%) Histiocytic Sarcoma 1 (2%) 2 (3%) Mediastinum, Hemangiosarcoma 1 (2%) Nose (61) (60) (60) (60) (61) Histiocytic Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Harderian Gland (18) (10) (15) (16) (16) Adenoma 1 (6%) 3 (30%) 3 (20%) 2 (13%) 1 (6%) Carcinoma 2 (11%) 1 (7%) 1 (6%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (61) (60) (60) (60) (61) Carcinoma, Metastatic, Liver 1 (2%) Hepatocholangiocarcinoma, Metastatic, Liver 1 (2%) Histiocytic Sarcoma 1 (2%) 1 (2%) Urinary Bladder (60) (60) (58) (59) (61) Page 5 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(61) *(60) *(60) *(60) *(61) Histiocytic Sarcoma 1 (2%) 4 (7%) 2 (3%) 1 (2%) Lymphoma Malignant Lymphocytic 2 (3%) 1 (2%) 3 (5%) 2 (3%) 4 (7%) Lymphoma Malignant Mixed 7 (11%) 5 (8%) 5 (8%) 6 (10%) 3 (5%) Lymphoma Malignant Undifferentiated Cell 1 (2%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 6 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 41 28 36 35 30 Total Primary Neoplasms 64 35 58 45 36 Total Animals with Benign Neoplasms 25 14 25 21 19 Total Benign Neoplasms 33 17 34 22 20 Total Animals with Malignant Neoplasms 26 16 22 21 14 Total Malignant Neoplasms 31 17 24 23 16 Total Animals with Metastatic Neoplasms 5 2 7 1 Total Metastatic Neoplasm 19 2 8 1 Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 1 Total Uncertain Neoplasms 1 ____________________________________________________________________________________________________________________________________ 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: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 70 60 70 70 70 Scheduled Sacrifice 10 10 10 10 10 Early Deaths Natural Death 6 6 4 5 2 Moribund Sacrifice 4 2 7 4 7 Dosing Accident 1 1 Accidently Killed 2 1 Survivors Terminal Sacrifice 40 41 39 39 39 Animals Examined Microscopically 60 60 60 60 60 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Small, Duodenum (60) (60) (60) (60) (60) Adenoma 1 (2%) Intestine Small, Jejunum (60) (60) (60) (59) (60) Carcinoma 1 (2%) Intestine Small, Ileum (59) (60) (59) (60) (58) Liver (60) (60) (60) (60) (60) Carcinoma, Multiple 1 (2%) Hemangioma 1 (2%) Hemangiosarcoma 3 (5%) Hemangiosarcoma, Multiple 1 (2%) Hemangiosarcoma, Metastatic, Skin 1 (2%) Hemangiosarcoma, Metastatic, Spleen 1 (2%) 1 (2%) Hepatoblastoma 1 (2%) Hepatocellular Carcinoma 6 (10%) 4 (7%) 13 (22%) 5 (8%) 8 (13%) Hepatocellular Carcinoma, Multiple 1 (2%) 2 (3%) Hepatocellular Adenoma 11 (18%) 5 (8%) 20 (33%) 7 (12%) 8 (13%) Hepatocellular Adenoma, Multiple 17 (28%) 1 (2%) 5 (8%) 3 (5%) Hepatocholangiocarcinoma 1 (2%) Histiocytic Sarcoma 3 (5%) 1 (2%) Ito Cell Tumor NOS, Multiple 1 (2%) Hepatocyte, Hepatocellular Adenoma 1 (2%) Mesentery (5) (1) (3) (3) (2) Hemangiosarcoma 1 (33%) Histiocytic Sarcoma 1 (50%) Pancreas (60) (60) (60) (60) (60) Stomach, Forestomach (60) (60) (60) (60) (60) Mast Cell Tumor Benign 1 (2%) Mast Cell Tumor Malignant 1 (2%) Squamous Cell Papilloma 2 (3%) 1 (2%) Page 8 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont Tooth (14) (4) (5) (2) Odontoma 1 (7%) 1 (25%) 2 (40%) 1 (50%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (60) (60) (60) (60) (60) Hemangiosarcoma, Metastatic, Spleen 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Islets, Pancreatic (60) (60) (60) (60) (60) Adenoma 3 (5%) 1 (2%) 1 (2%) Pituitary Gland (58) (58) (56) (55) (53) Pars Distalis, Adenoma 1 (2%) Pars Intermedia, Adenoma 1 (2%) 1 (2%) 1 (2%) Thyroid Gland (60) (60) (60) (60) (60) Follicular Cell, Adenoma 1 (2%) 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (60) (60) (60) (60) (60) Hemangiosarcoma, Metastatic, Bone Marrow 1 (2%) Preputial Gland (60) (60) (60) (59) (60) Sarcoma 1 (2%) Seminal Vesicle (60) (60) (60) (60) (60) Adenoma 1 (2%) Testes (60) (60) (60) (60) (60) Interstitial Cell, Adenoma 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (60) (60) (60) (60) (60) Hemangiosarcoma 1 (2%) Hemangiosarcoma, Metastatic, Liver 1 (2%) Hemangiosarcoma, Metastatic, Skin 1 (2%) Hemangiosarcoma, Metastatic, Spleen 1 (2%) Lymph Node (2) (1) (2) (3) Bronchial, Carcinoma, Metastatic, Liver 1 (50%) Page 9 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont Mediastinal, Carcinoma, Metastatic, Liver 1 (50%) Mediastinal, Histiocytic Sarcoma 1 (33%) Lymph Node, Mandibular (59) (59) (58) (57) (56) Lymph Node, Mesenteric (58) (53) (56) (56) (57) Carcinoma, Metastatic, Liver 1 (2%) Hemangiosarcoma, Metastatic, Spleen 1 (2%) Histiocytic Sarcoma 3 (5%) 1 (2%) Spleen (60) (60) (60) (60) (60) Hemangiosarcoma 1 (2%) 1 (2%) Hemangiosarcoma, Multiple 1 (2%) Hemangiosarcoma, Metastatic, Liver 1 (2%) Hemangiosarcoma, Metastatic, Skin 1 (2%) Histiocytic Sarcoma 2 (3%) 1 (2%) Thymus (51) (55) (54) (50) (50) Carcinoma, Metastatic, Liver 1 (2%) Mediastinum, Hemangioma 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (60) (60) (60) (60) (60) Mast Cell Tumor Malignant 1 (2%) Subcutaneous Tissue, Hemangiosarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (60) (60) (60) (60) (60) Alveolar/Bronchiolar Adenoma 13 (22%) 10 (17%) 7 (12%) 7 (12%) 6 (10%) Alveolar/Bronchiolar Adenoma, Multiple 1 (2%) 1 (2%) 2 (3%) 1 (2%) Alveolar/Bronchiolar Carcinoma 2 (3%) 1 (2%) 4 (7%) 1 (2%) 2 (3%) Alveolar/Bronchiolar Carcinoma, Multiple 1 (2%) Carcinoma, Metastatic, Harderian Gland 2 (3%) Carcinoma, Metastatic, Liver 1 (2%) Hepatocellular Carcinoma, Metastatic, Liver 3 (5%) 2 (3%) 3 (5%) 1 (2%) 3 (5%) Histiocytic Sarcoma 1 (2%) 1 (2%) Nose (60) (60) (60) (60) (60) Page 10 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont Mast Cell Tumor Malignant 2 (3%) 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Harderian Gland (20) (18) (20) (21) (16) Adenoma 3 (15%) 1 (6%) 1 (5%) 1 (5%) 2 (13%) Carcinoma 4 (20%) 1 (5%) 1 (6%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (60) (60) (60) (60) (60) Histiocytic Sarcoma 1 (2%) Artery, Hepatocellular Carcinoma, Metastatic, Liver 1 (2%) Renal Tubule, Adenoma 1 (2%) Renal Tubule, Carcinoma 2 (3%) Urinary Bladder (60) (60) (60) (60) (59) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(60) *(60) *(60) *(60) *(60) Histiocytic Sarcoma 3 (5%) 1 (2%) Leukemia Lymphocytic 1 (2%) 1 (2%) 1 (2%) Lymphoma Malignant Lymphocytic 1 (2%) 1 (2%) 3 (5%) Lymphoma Malignant Mixed 3 (5%) 3 (5%) 2 (3%) 1 (2%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 11 NTP Experiment-Test: 05121-07 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC SCOPOLAMINE HYDROBROMIDE TRIHYDRATE Date: 04/03/96 Route: GAVAGE Time: 22:04:19 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0 MG/KG 0 MG/KG 1 MG/KG 5 MG/KG 25 MG/KG FEED RTD ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 47 26 45 32 31 Total Primary Neoplasms 73 36 70 44 39 Total Animals with Benign Neoplasms 40 20 32 22 19 Total Benign Neoplasms 52 24 38 27 21 Total Animals with Malignant Neoplasms 17 11 25 16 16 Total Malignant Neoplasms 20 12 32 17 18 Total Animals with Metastatic Neoplasms 4 4 5 4 3 Total Metastatic Neoplasm 6 5 6 10 4 Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 1 Total Uncertain Neoplasms 1 ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 12 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------