https://ntp.niehs.nih.gov/go/1293

TDMS Study 05044-01 Pathology Tables

                              INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)
                                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE
NTP Experiment-Test: 05044-01                                                                                     Report: PEIRPT05
Study Type: CHRONIC                                                                                               Date: 09/06/94
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45
       Facility:  Battelle Columbus Laboratory
       Chemical CAS #:  106-87-6
       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: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS FEMALE                   0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          60           60           60                                                  
  Scheduled Sacrifice                                 10           10           10                                                  
  Early Deaths                                                                                                                      
    Dead                                               8           13           21                                                  
    Moribund                                          15           14           14                                                  
  Survivors                                                                                                                         
    Terminal Sacrifice                                27           23           15                                                  
  Animals Examined Microscopically                    50           50           50                                                  
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (50)         (50)         (50)                                                
      Neoplastic Nodule                                                          1 (2%)                                             
   Mesentery                                          (4)          (2)                                                              
      Lipoma                                                        1 (50%)                                                         
   Pancreas                                           (48)         (47)         (48)                                                
   Pharynx                                                         (1)          (1)                                                 
      Palate, Squamous Cell Carcinoma                               1 (100%)                                                        
   Stomach, Forestomach                               (50)         (48)         (50)                                                
   Stomach, Glandular                                 (50)         (48)         (50)                                                
   Tongue                                             (1)          (1)          (1)                                                 
      Squamous Cell Papilloma                          1 (100%)     1 (100%)     1 (100%)                                           
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   Heart                                              (50)         (50)         (50)                                                
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Gland, Cortex                              (50)         (48)         (50)                                                
      Adenoma                                          1 (2%)       1 (2%)                                                          
   Adrenal Gland, Medulla                             (50)         (48)         (50)                                                
      Pheochromocytoma Malignant                       1 (2%)                                                                       
      Pheochromocytoma Benign                          2 (4%)       2 (4%)       1 (2%)                                             
      Bilateral, Pheochromocytoma Benign                            1 (2%)                                                          
   Islets, Pancreatic                                 (48)         (48)         (48)                                                
      Adenoma                                                       1 (2%)       1 (2%)                                             
   Parathyroid Gland                                  (47)         (43)         (48)                                                
      Adenoma                                          1 (2%)       1 (2%)                                                          
   Pituitary Gland                                    (47)         (49)         (48)                                                
                                                             Page   2                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS FEMALE                   0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
ENDOCRINE SYSTEM - cont                                                                                                             
      Pars Distalis, Adenoma                          19 (40%)     14 (29%)     17 (35%)                                            
      Pars Distalis, Carcinoma                        14 (30%)     15 (31%)     11 (23%)                                            
   Thyroid Gland                                      (46)         (48)         (49)                                                
      Bilateral, C-Cell, Adenoma                       1 (2%)       2 (4%)                                                          
      C-Cell, Adenoma                                  4 (9%)      12 (25%)      9 (18%)                                            
      C-Cell, Adenoma, Multiple                        1 (2%)                                                                       
      C-Cell, Carcinoma                                             3 (6%)       1 (2%)                                             
      Follicular Cell, Adenoma                         2 (4%)                    1 (2%)                                             
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Clitoral Gland                                     (45)         (50)         (49)                                                
      Adenoma                                          2 (4%)       7 (14%)      3 (6%)                                             
      Carcinoma                                        1 (2%)                                                                       
      Sarcoma                                                                    1 (2%)                                             
   Ovary                                              (50)         (49)         (50)                                                
      Granulosa Cell Tumor Benign                      1 (2%)                                                                       
      Luteoma                                                       1 (2%)                                                          
   Uterus                                             (50)         (50)         (50)                                                
      Carcinoma                                                     1 (2%)                                                          
      Polyp Stromal                                    3 (6%)       7 (14%)      6 (12%)                                            
      Polyp Stromal, Multiple                                       1 (2%)                                                          
      Sarcoma Stromal                                               1 (2%)                                                          
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Blood                                              (3)                       (1)                                                 
   Bone Marrow                                        (50)         (49)         (49)                                                
   Lymph Node                                         (50)         (50)         (50)                                                
      Axillary, Squamous Cell Carcinoma,                                                                                            
          Metastatic, Skin                                                       1 (2%)                                             
   Lymph Node, Mandibular                             (50)         (50)         (50)                                                
   Lymph Node, Mesenteric                             (3)                       (2)                                                 
      Hemangiosarcoma                                                            1 (50%)                                            
   Spleen                                             (50)         (50)         (49)                                                
   Thymus                                             (44)         (43)         (41)                                                
      Thymoma Benign                                                             1 (2%)                                             
      Thymoma Malignant                                1 (2%)                                                                       
____________________________________________________________________________________________________________________________________
                                                             Page   3                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS FEMALE                   0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Mammary Gland                                      (50)         (49)         (50)                                                
      Adenocarcinoma                                   2 (4%)       3 (6%)       1 (2%)                                             
      Fibroadenoma                                    14 (28%)     11 (22%)      8 (16%)                                            
      Fibroadenoma, Multiple                           6 (12%)                                                                      
   Skin                                               (50)         (50)         (50)                                                
      Basal Cell Adenoma                               1 (2%)       1 (2%)                                                          
      Back, Squamous Cell Carcinoma                                              1 (2%)                                             
      Back, Sebaceous Gland, Adenoma                   1 (2%)                                                                       
      Scapula, Basal Cell Carcinoma                                 3 (6%)       4 (8%)                                             
      Scapula, Squamous Cell Carcinoma                              8 (16%)     12 (24%)                                            
      Scapula, Squamous Cell Carcinoma, Multiple                    8 (16%)     22 (44%)                                            
      Scapula, Squamous Cell Papilloma                                           1 (2%)                                             
      Sebaceous Gland, Scapula, Adenoma                             1 (2%)       1 (2%)                                             
      Subcutaneous Tissue, Fibroma                     2 (4%)                                                                       
      Subcutaneous Tissue, Lipoma                                                1 (2%)                                             
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   Skeletal Muscle                                    (1)                                                                           
      Abdominal, Rhabdomyosarcoma                      1 (100%)                                                                     
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   Brain                                              (50)         (50)         (50)                                                
      Carcinoma, Metastatic, Pituitary Gland           3 (6%)       3 (6%)       3 (6%)                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (50)         (50)         (50)                                                
      Squamous Cell Carcinoma, Metastatic, Skin                                  3 (6%)                                             
   Nose                                               (49)         (50)         (49)                                                
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   4                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS FEMALE                   0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (50)         (50)         (49)                                                
      Nephroblastoma Malignant                                      1 (2%)                                                          
   Urinary Bladder                                    (50)         (50)         (48)                                                
      Transitional Epithelium, Papilloma                            2 (4%)                                                          
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(50)        *(50)        *(50)                                                
      Leukemia Mononuclear                            12 (24%)     17 (34%)     13 (26%)                                            
      Lymphoma Malignant Histiocytic                   1 (2%)                                                                       
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   5                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS FEMALE                   0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            43          47          44                                                   
     Total Primary Neoplasms                           95         128         119                                                   
   Total Animals with Benign Neoplasms                 39          40          32                                                   
     Total Benign Neoplasms                            62          67          52                                                   
   Total Animals with Malignant Neoplasms              25          38          39                                                   
     Total Malignant Neoplasms                         33          61          67                                                   
   Total Animals with Metastatic Neoplasms              3           3           6                                                   
     Total Metastatic Neoplasm                          3           3           7                                                   
   Total Animals with Malignant Neoplasms                                                                                           
   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   6                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS MALE                     0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          60           60           60                                                  
  Scheduled Sacrifice                                 10           10           10                                                  
  Early Deaths                                                                                                                      
    Moribund                                          31           37           29                                                  
    Dead                                              12            5           16                                                  
    Drowned                                                                      1                                                  
  Survivors                                                                                                                         
    Terminal Sacrifice                                 7            8            4                                                  
  Animals Examined Microscopically                    50           50           50                                                  
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Intestine Large, Cecum                             (45)         (48)         (40)                                                
   Intestine Large, Colon                             (48)         (49)         (40)                                                
      Carcinoma                                                     1 (2%)                                                          
   Intestine Large, Rectum                            (48)         (48)         (44)                                                
      Carcinoma                                                     1 (2%)                                                          
   Intestine Small, Duodenum                          (48)         (50)         (45)                                                
      Adenocarcinoma                                                             1 (2%)                                             
   Intestine Small, Ileum                             (44)         (49)         (37)                                                
   Intestine Small, Jejunum                           (46)         (49)         (42)                                                
   Liver                                              (50)         (50)         (50)                                                
      Carcinoma, Metastatic, Islets, Pancreatic                     1 (2%)                                                          
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
   Mesentery                                          (7)          (6)          (6)                                                 
      Carcinoma, Metastatic, Skin                                                1 (17%)                                            
      Carcinoma, Metastatic, Intestine Large                        1 (17%)                                                         
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (17%)                                                         
   Pancreas                                           (50)         (50)         (45)                                                
      Carcinoma, Metastatic, Intestine Large                        1 (2%)                                                          
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
   Pharynx                                            (2)          (2)                                                              
      Palate, Squamous Cell Papilloma                  1 (50%)                                                                      
   Salivary Glands                                    (50)         (50)         (50)                                                
      Carcinoma, Metastatic, Skin                                                1 (2%)                                             
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
   Stomach, Forestomach                               (50)         (50)         (47)                                                
   Stomach, Glandular                                 (50)         (50)         (48)                                                
      Leiomyosarcoma                                   1 (2%)                                                                       
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
   Tongue                                                          (1)          (1)                                                 
      Squamous Cell Papilloma                                       1 (100%)                                                        
                                                             Page   7                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS MALE                     0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   Heart                                              (50)         (50)         (50)                                                
      Carcinoma, Metastatic, Skin                                                1 (2%)                                             
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Gland, Cortex                              (50)         (50)         (50)                                                
      Medulla, Squamous Cell Carcinoma, Metastatic,                                                                                 
           Skin                                                     1 (2%)                                                          
   Adrenal Gland, Medulla                             (50)         (50)         (50)                                                
      Pheochromocytoma Malignant                                                 2 (4%)                                             
      Pheochromocytoma Benign                          6 (12%)     11 (22%)                                                         
      Bilateral, Pheochromocytoma Benign               2 (4%)       4 (8%)                                                          
   Islets, Pancreatic                                 (50)         (50)         (46)                                                
      Adenoma                                          1 (2%)       2 (4%)       3 (7%)                                             
      Carcinoma                                                     2 (4%)                                                          
   Parathyroid Gland                                  (49)         (45)         (45)                                                
      Adenoma                                                       2 (4%)       1 (2%)                                             
   Pituitary Gland                                    (50)         (50)         (48)                                                
      Pars Distalis, Adenoma                          24 (48%)     26 (52%)     26 (54%)                                            
      Pars Distalis, Adenoma, Multiple                                           1 (2%)                                             
      Pars Distalis, Carcinoma                         2 (4%)       1 (2%)                                                          
   Thyroid Gland                                      (48)         (50)         (43)                                                
      C-Cell, Adenoma                                  7 (15%)      5 (10%)      2 (5%)                                             
      C-Cell, Adenoma, Multiple                                     1 (2%)                                                          
      C-Cell, Carcinoma                                2 (4%)                                                                       
      Follicular Cell, Adenoma                         1 (2%)       3 (6%)       3 (7%)                                             
      Follicular Cell, Carcinoma                       1 (2%)       1 (2%)                                                          
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Epididymis                                         (50)         (50)         (48)                                                
   Preputial Gland                                    (49)         (49)         (50)                                                
      Adenoma                                                       3 (6%)       1 (2%)                                             
      Squamous Cell Papilloma                                       2 (4%)                                                          
   Prostate                                           (49)         (50)         (50)                                                
   Testes                                             (50)         (50)         (50)                                                
                                                             Page   8                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS MALE                     0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
GENITAL SYSTEM - cont                                                                                                               
      Bilateral, Interstitial Cell, Adenoma           34 (68%)     35 (70%)     25 (50%)                                            
      Interstitial Cell, Adenoma                      10 (20%)      5 (10%)     14 (28%)                                            
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Blood                                              (7)          (1)          (2)                                                 
   Bone Marrow                                        (50)         (50)         (49)                                                
      Femoral, Squamous Cell Carcinoma, Metastatic,                                                                                 
           Skin                                                     1 (2%)                                                          
   Lymph Node                                         (50)         (50)         (50)                                                
      Mediastinal, Carcinoma, Metastatic, Skin                                   1 (2%)                                             
   Lymph Node, Mandibular                             (50)         (49)         (50)                                                
   Lymph Node, Mesenteric                             (7)          (10)         (3)                                                 
      Carcinoma, Metastatic, Intestine Large                        1 (10%)                                                         
      Mediastinal, Squamous Cell Carcinoma,                                                                                         
          Metastatic, Skin                                          1 (10%)                                                         
   Spleen                                             (50)         (50)         (49)                                                
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
   Thymus                                             (41)         (40)         (42)                                                
      Thymoma Benign                                   1 (2%)                                                                       
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Mammary Gland                                      (45)         (48)         (42)                                                
      Adenocarcinoma                                   1 (2%)       2 (4%)                                                          
      Fibroadenoma                                     1 (2%)       1 (2%)       1 (2%)                                             
   Skin                                               (50)         (50)         (50)                                                
      Basal Cell Adenoma                               1 (2%)                                                                       
      Basal Cell Carcinoma                             1 (2%)       1 (2%)                                                          
      Keratoacanthoma                                                            2 (4%)                                             
      Trichoepithelioma                                                          1 (2%)                                             
      Back, Keratoacanthoma                                         1 (2%)                                                          
      Back, Squamous Cell Carcinoma                                 2 (4%)       1 (2%)                                             
      Back, Subcutaneous Tissue, Fibroma                            1 (2%)                                                          
      Back, Sebaceous Gland, Adenoma                                1 (2%)                                                          
      Scapula, Basal Cell Adenoma                                                4 (8%)                                             
      Scapula, Basal Cell Carcinoma                                 1 (2%)       2 (4%)                                             
      Scapula, Basal Cell Carcinoma, Multiple                                    1 (2%)                                             
      Scapula, Basal Cell Carcinoma, Metastatic,                                                                                    
           Skin                                                                  1 (2%)                                             
      Scapula, Carcinoma                                                         1 (2%)                                             
      Scapula, Keratoacanthoma                                      1 (2%)       1 (2%)                                             
      Scapula, Squamous Cell Carcinoma                             10 (20%)     12 (24%)                                            
      Scapula, Squamous Cell Carcinoma, Multiple                   22 (44%)     24 (48%)                                            
      Scapula, Squamous Cell Carcinoma, Metastatic,                                                                                 
                                                             Page   9                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS MALE                     0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
INTEGUMENTARY SYSTEM - cont                                                                                                         
           Skin                                                     1 (2%)                                                          
      Scapula, Squamous Cell Papilloma                              3 (6%)       6 (12%)                                            
      Sebaceous Gland, Scapula, Adenoma                             1 (2%)       1 (2%)                                             
      Subcutaneous Tissue, Fibroma                     1 (2%)       1 (2%)                                                          
      Subcutaneous Tissue, Hemangioma                               1 (2%)                                                          
      Subcutaneous Tissue, Liposarcoma                              1 (2%)                                                          
      Subcutaneous Tissue, Sarcoma                     1 (2%)                                                                       
      Subcutaneous Tissue, Scapula, Fibrosarcoma                                 1 (2%)                                             
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   Skeletal Muscle                                                 (1)          (1)                                                 
      Diaphragm, Carcinoma, Metastatic, Skin                                     1 (100%)                                           
      Diaphragm, Intercostal, Squamous Cell                                                                                         
          Carcinoma, Metastatic, Skin                               1 (100%)                                                        
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   Brain                                              (50)         (50)         (49)                                                
      Carcinoma, Metastatic, Pituitary Gland           1 (2%)                                                                       
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (50)         (50)         (50)                                                
      Carcinoma, Metastatic                                                      1 (2%)                                             
      Carcinoma, Metastatic, Skin                                                1 (2%)                                             
      Chordoma                                         1 (2%)                                                                       
      Pheochromocytoma Malignant, Metastatic,                                                                                       
          Adrenal Gland                                                          1 (2%)                                             
      Squamous Cell Carcinoma, Metastatic, Skin                     4 (8%)       1 (2%)                                             
      Squamous Cell Carcinoma, Metastatic,                                                                                          
          Uncertain Primary Site                                    1 (2%)                                                          
   Nose                                               (50)         (50)         (49)                                                
   Trachea                                            (50)         (49)         (48)                                                
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   Eye                                                (7)          (3)          (6)                                                 
   Zymbal's Gland                                                               (2)                                                 
      Adenoma                                                                    1 (50%)                                            
      Carcinoma                                                                  1 (50%)                                            
____________________________________________________________________________________________________________________________________
                                                             Page  10                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS MALE                     0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (50)         (50)         (49)                                                
      Carcinoma, Metastatic, Skin                                                1 (2%)                                             
      Squamous Cell Carcinoma, Metastatic, Skin                     1 (2%)                                                          
      Renal Tubule, Adenoma                                                      1 (2%)                                             
   Urinary Bladder                                    (49)         (50)         (49)                                                
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(50)        *(50)        *(50)                                                
      Leukemia Mononuclear                            16 (32%)     15 (30%)     15 (30%)                                            
      Mesothelioma Malignant                           1 (2%)       2 (4%)       1 (2%)                                             
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page  11                                                               
NTP Experiment-Test: 05044-01  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                  4-VINYL-1-CYCLOHEXENE DIEPOXIDE                              Date: 09/06/94  
Route: DERMAL,SOLUTION                                                                                            Time: 10:15:45  
____________________________________________________________________________________________________________________________________
         FISCHER 344 RATS MALE                     0 MG/ML      50 MG/ML     100 MG/                                                
                                                                             ML                                                     
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            50          49          49                                                   
     Total Primary Neoplasms                          117         173         156                                                   
   Total Animals with Benign Neoplasms                 50          45          46                                                   
     Total Benign Neoplasms                            90         111          94                                                   
   Total Animals with Malignant Neoplasms              24          39          41                                                   
     Total Malignant Neoplasms                         27          62          62                                                   
   Total Animals with Metastatic Neoplasms              1           7           5                                                   
     Total Metastatic Neoplasm                          1          23          11                                                   
   Total Animals with Malignant Neoplasms                           1                                                               
   Uncertain Primary Site                                                                                                           
   Total Animals with Neoplasms Uncertain-                                                                                          
   Benign or Malignant                                                                                                              
     Total Uncertain Neoplasms                                                                                                      
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a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Primary tumors: all tumors except metastatic tumors                                                                              
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