TDMS Study 05043-01 Pathology Tables
INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) 2,4-DIAMINOPHENOL DIHYDROCHLORIDE NTP Experiment-Test: 05043-01 Report: PEIRPT05 Study Type: CHRONIC Date: 09/05/94 Route: GAVAGE Time: 17:45:27 Facility: TSI Mason Research Chemical CAS #: 137-09-7 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: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE .0125 G/ .025G/KG 72VF KG 72LF 72HF ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 60 60 60 Scheduled Sacrifice 10 10 10 Early Deaths Moribund 13 12 16 Dead 7 6 2 Accident 1 Survivors Terminal Sacrifice 30 32 31 Animals Examined Microscopically 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Colon (9) (14) (9) Adenocarcinoma 1 (11%) Intestine Large, Rectum (8) (11) (7) Liver (50) (30) (50) Mesentery (6) (5) (4) Hemangiosarcoma 1 (17%) Pancreas (49) (13) (50) Acinus, Adenoma 1 (8%) Stomach, Forestomach (50) (14) (50) Stomach, Glandular (48) (13) (49) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (13) (49) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland, Cortex (50) (15) (50) Adenoma 1 (2%) Medulla, Osteosarcoma, Metastatic, Uncertain Primary Site 1 (2%) Adrenal Gland, Medulla (47) (15) (48) Pheochromocytoma Benign 2 (4%) 1 (7%) 3 (6%) Islets, Pancreatic (49) (14) (50) Adenoma 1 (7%) Carcinoma 1 (7%) Pituitary Gland (50) (50) (50) Pars Distalis, Adenoma 22 (44%) 26 (52%) 25 (50%) Page 2 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE .0125 G/ .025G/KG 72VF KG 72LF 72HF ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont Pars Distalis, Carcinoma 2 (4%) 3 (6%) Thyroid Gland (50) (12) (50) Bilateral, C-Cell, Adenoma 1 (2%) C-Cell, Adenoma 7 (14%) 6 (12%) C-Cell, Carcinoma 2 (4%) 1 (8%) 3 (6%) Follicular Cell, Adenoma 2 (4%) Follicular Cell, Carcinoma 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (12) (17) (9) Adenoma 1 (8%) 1 (6%) 1 (11%) Adenoma, Moderate 1 (8%) Carcinoma 1 (8%) 5 (29%) 1 (11%) Ovary (49) (15) (49) Osteosarcoma, Metastatic, Uncertain Primary Site 1 (2%) Uterus (50) (15) (50) Polyp Stromal 12 (24%) 4 (27%) 9 (18%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node (49) (49) (50) Deep Cervical, Carcinoma, Metastatic, Thyroid Gland 1 (2%) Lymph Node, Mandibular (44) (10) (46) Lymph Node, Mesenteric (49) (49) (50) Spleen (50) (20) (50) Osteosarcoma, Metastatic, Uncertain Primary Site 1 (2%) Thymus (7) (11) (8) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (27) (29) (19) Carcinoma 3 (11%) Fibroadenoma 12 (44%) 16 (55%) 11 (58%) Fibroadenoma, Multiple 5 (19%) 5 (17%) 2 (11%) Skin (12) (13) (9) Page 3 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE .0125 G/ .025G/KG 72VF KG 72LF 72HF ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont Basal Cell Adenoma 1 (11%) Sebaceous Gland, Adenoma 1 (11%) Subcutaneous Tissue, Fibroma 1 (8%) 1 (8%) Subcutaneous Tissue, Fibrosarcoma 3 (25%) Subcutaneous Tissue, Sarcoma, Multiple 1 (8%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Skeletal Muscle (1) Abdominal, Sarcoma 1 (100%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (11) (50) Carcinoma, Metastatic 2 (4%) Cerebrum, Carcinoma, Deep Invasion, Metastatic, Pituitary Gland 1 (2%) Pons, Glioma NOS 1 (9%) Spinal Cord (1) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (17) (50) Alveolar/Bronchiolar Adenoma 1 (2%) 1 (6%) Carcinoma, Metastatic, Thyroid Gland 1 (6%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM None ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (50) (50) Urinary Bladder (49) (49) (50) Papilloma 1 (2%) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(50) *(50) *(50) Leukemia Mononuclear 13 (26%) 7 (14%) 11 (22%) * Number of animals with any tissue examined microscopically Page 4 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE .0125 G/ .025G/KG 72VF KG 72LF 72HF ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS - cont Multiple Organs *(50) *(50) *(50) Mesothelioma Malignant 1 (2%) ____________________________________________________________________________________________________________________________________ Page 5 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE .0125 G/ .025G/KG 72VF KG 72LF 72HF ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 40 41 47 Total Primary Neoplasms 91 74 83 Total Animals with Benign Neoplasms 32 38 39 Total Benign Neoplasms 65 58 62 Total Animals with Malignant Neoplasms 22 13 19 Total Malignant Neoplasms 26 15 21 Total Animals with Metastatic Neoplasms 3 1 2 Total Metastatic Neoplasm 5 1 2 Total Animals with Malignant Neoplasms 1 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 6 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE .0125 G/ .025G/KG 72 VM KG 72LM 72HM ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 60 60 60 Scheduled Sacrifice 9 10 10 Early Deaths Moribund 15 11 19 Dead 12 16 15 Accident 1 Gavage Death 1 Survivors Dead 1 Terminal Sacrifice 23 20 16 Terminal Sacrifice 1 Animals Examined Microscopically 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Rectum (11) (19) (21) Serosa, Sarcoma, Metastatic 1 (5%) Intestine Small, Duodenum (47) (50) (50) Liver (50) (31) (50) Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) Mesentery (7) (8) (4) Pancreas (50) (22) (50) Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) Acinus, Adenoma 1 (2%) 3 (6%) Acinus, Adenoma, Multiple 1 (5%) Stomach, Forestomach (49) (23) (50) Stomach, Glandular (49) (23) (50) Tongue (1) Squamous Cell Papilloma 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (22) (50) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Gland (50) (50) (50) Adrenal Gland, Cortex (50) (50) (50) Adrenal Gland, Medulla (49) (50) (50) Pheochromocytoma Malignant 7 (14%) 2 (4%) 3 (6%) Page 7 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE .0125 G/ .025G/KG 72 VM KG 72LM 72HM ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont Pheochromocytoma Benign 8 (16%) 7 (14%) 7 (14%) Bilateral, Pheochromocytoma Benign 2 (4%) 1 (2%) Islets, Pancreatic (50) (22) (50) Adenoma 3 (6%) 3 (14%) 2 (4%) Carcinoma 1 (2%) Pituitary Gland (50) (50) (49) Pars Distalis, Adenoma 23 (46%) 17 (34%) 14 (29%) Pars Distalis, Carcinoma 1 (2%) 1 (2%) Thyroid Gland (50) (20) (50) Bilateral, C-Cell, Carcinoma 1 (2%) C-Cell, Adenoma 4 (8%) 4 (20%) 2 (4%) C-Cell, Adenoma, Mild 1 (2%) C-Cell, Carcinoma 1 (2%) 2 (4%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (50) (20) (50) Serosa, Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) Preputial Gland (17) (24) (26) Adenoma 1 (6%) 2 (8%) 2 (8%) Carcinoma 2 (12%) 3 (13%) 2 (8%) Sarcoma, Metastatic, Uncertain Primary Site 1 (4%) Prostate (49) (19) (50) Adenoma 2 (4%) 1 (2%) Seminal Vesicle (50) (25) (50) Testes (50) (50) (50) Bilateral, Interstitial Cell, Adenoma 25 (50%) 25 (50%) 35 (70%) Interstitial Cell, Adenoma 17 (34%) 17 (34%) 11 (22%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (11) (20) (21) Sarcoma, Metastatic, Uncertain Primary Site 1 (5%) Lymph Node (50) (50) (50) Lymph Node, Mandibular (49) (14) (47) Lymph Node, Mesenteric (49) (49) (50) Spleen (50) (29) (50) Hemangiosarcoma 1 (3%) Sarcoma 1 (2%) 2 (7%) 1 (2%) Page 8 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE .0125 G/ .025G/KG 72 VM KG 72LM 72HM ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) Sarcoma, Poorly Differentiated 1 (2%) Thymus (17) (17) (24) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (9) (10) (12) Fibroadenoma 4 (44%) Skin (20) (26) (28) Basal Cell Adenoma 1 (5%) 1 (4%) 1 (4%) Keratoacanthoma 2 (10%) 3 (11%) Keratoacanthoma, Multiple 1 (4%) Squamous Cell Carcinoma 1 (5%) 1 (4%) Squamous Cell Papilloma 1 (4%) 1 (4%) Trichoepithelioma 1 (4%) Sebaceous Gland, Carcinoma 1 (5%) Subcutaneous Tissue, Fibroma 1 (5%) 1 (4%) Subcutaneous Tissue, Fibrosarcoma 1 (5%) 1 (4%) 1 (4%) Subcutaneous Tissue, Sarcoma 1 (5%) Subcutaneous Tissue, Sarcoma, Metastatic, Uncertain Primary Site 1 (4%) Subcutaneous Tissue, Schwannoma Malignant 1 (4%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Skeletal Muscle (2) Abdominal, Sarcoma 1 (50%) Hindlimb, Sarcoma, Metastatic, Uncertain Primary Site 1 (50%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (20) (50) Astrocytoma Malignant 1 (2%) Glioma NOS 1 (5%) Granular Cell Tumor Benign 1 (2%) Squamous Cell Carcinoma, Early Invasion, Metastatic, Zymbal's Gland 1 (5%) ____________________________________________________________________________________________________________________________________ Page 9 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE .0125 G/ .025G/KG 72 VM KG 72LM 72HM ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (30) (50) Alveolar/Bronchiolar Adenoma 2 (4%) 3 (6%) Carcinoma, Metastatic, Zymbal's Gland 1 (2%) Pheochromocytoma Malignant, Metastatic, Adrenal Gland 1 (3%) Sarcoma, Metastatic, Uncertain Primary Site 1 (2%) Nose (12) (21) (21) Sarcoma, Metastatic, Uncertain Primary Site 1 (5%) Nares, Squamous Cell Papilloma 1 (5%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Zymbal's Gland (1) (1) (2) Carcinoma 1 (100%) 1 (100%) 1 (50%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (49) (50) Sarcoma, Metastatic 1 (2%) Renal Tubule, Adenoma 1 (2%) Renal Tubule, Carcinoma 1 (2%) Transitional Epithelium, Carcinoma 1 (2%) Urinary Bladder (50) (48) (50) Transitional Epithelium, Carcinoma 1 (2%) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(50) *(50) *(50) Leukemia Mononuclear 7 (14%) 4 (8%) 5 (10%) Mesothelioma Malignant 2 (4%) 3 (6%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 10 NTP Experiment-Test: 05043-01 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC 2,4-DIAMINOPHENOL DIHYDROCHLORIDE Date: 09/05/94 Route: GAVAGE Time: 17:45:27 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE .0125 G/ .025G/KG 72 VM KG 72LM 72HM ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 49 46 49 Total Primary Neoplasms 126 100 112 Total Animals with Benign Neoplasms 47 45 48 Total Benign Neoplasms 96 81 91 Total Animals with Malignant Neoplasms 24 16 18 Total Malignant Neoplasms 30 18 21 Total Animals with Metastatic Neoplasms 2 2 Total Metastatic Neoplasm 2 13 Total Animals with Malignant Neoplasms 1 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 11 ------------------------------------------------------------ ---------- END OF REPORT ---------- 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