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TDMS Study 92013-03 Pathology Tables

NTP Experiment-Test: 92013-03               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                                 4-METHYLIMIDAZOLE                                     Date: 08/06/96
Route: DOSED FEED                                                                                                 Time: 20:37:53

                                                       90-DAY SUBCHRONIC




       Facility:  Microbiological Associates

       Chemical CAS #:  822-36-6

       Lock Date:  01/12/95

       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

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NTP Experiment-Test: 92013-03               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                                 4-METHYLIMIDAZOLE                                     Date: 08/06/96  
Route: DOSED FEED                                                                                                 Time: 20:37:53  
____________________________________________________________________________________________________________________________________
                                                                                                                                    
         FISCHER 344 RATS FEMALE                   UNTREAT      625          1250         2500         5000         10000           
                                                   CONTROL      PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
DISPOSITION SUMMARY                                                                                                                 

  Animals Initially in Study                          10           10           10           10           10           10           
  Early Deaths                                                                                                                      
    Moribund Sacrifice                                                           1                                                  
  Survivors                                                                                                                         
    Terminal Sacrifice                                 3            2            2            2            2                        
    Accidently Killed                                  7            8            7            8            8           10           

  Animals Examined Microscopically                    10            2            5           10           10           10           
                                                                                                                                    
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 ALIMENTARY SYSTEM                                                                                                                  
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 CARDIOVASCULAR SYSTEM                                                                                                              
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 ENDOCRINE SYSTEM                                                                                                                   
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 GENERAL BODY SYSTEM                                                                                                                
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 GENITAL SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 HEMATOPOIETIC SYSTEM                                                                                                               
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 INTEGUMENTARY SYSTEM                                                                                                               
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________

                                                             Page   2                                                               
NTP Experiment-Test: 92013-03               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                                 4-METHYLIMIDAZOLE                                     Date: 08/06/96  
Route: DOSED FEED                                                                                                 Time: 20:37:53  
____________________________________________________________________________________________________________________________________
                                                                                                                                    
         FISCHER 344 RATS FEMALE                   UNTREAT      625          1250         2500         5000         10000           
                                                   CONTROL      PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
                                                                                                                                    
 MUSCULOSKELETAL SYSTEM                                                                                                             
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 NERVOUS SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 RESPIRATORY SYSTEM                                                                                                                 
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 SPECIAL SENSES SYSTEM                                                                                                              
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 URINARY SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             

                                                             Page   3                                                               
NTP Experiment-Test: 92013-03               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                                 4-METHYLIMIDAZOLE                                     Date: 08/06/96  
Route: DOSED FEED                                                                                                 Time: 20:37:53  
____________________________________________________________________________________________________________________________________
                                                                                                                                    
         FISCHER 344 RATS MALE                     UNTREAT      625          1250         2500         5000         10000           
                                                   CONTROL      PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
DISPOSITION SUMMARY                                                                                                                 

  Animals Initially in Study                          10           10           10           10           10           10           
  Early Deaths                                                                                                                      
    Natural Death                                                                                                       1           
  Survivors                                                                                                                         
    Terminal Sacrifice                                10            9            9           10            3            2           
    Accidently Killed                                               1            1                         7            7           

  Animals Examined Microscopically                    10            3           10           10           10           10           
                                                                                                                                    
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 ALIMENTARY SYSTEM                                                                                                                  
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 CARDIOVASCULAR SYSTEM                                                                                                              
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 ENDOCRINE SYSTEM                                                                                                                   
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 GENERAL BODY SYSTEM                                                                                                                
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 GENITAL SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 HEMATOPOIETIC SYSTEM                                                                                                               
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 INTEGUMENTARY SYSTEM                                                                                                               
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________

                                                             Page   4                                                               
NTP Experiment-Test: 92013-03               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                                 4-METHYLIMIDAZOLE                                     Date: 08/06/96  
Route: DOSED FEED                                                                                                 Time: 20:37:53  
____________________________________________________________________________________________________________________________________
                                                                                                                                    
         FISCHER 344 RATS MALE                     UNTREAT      625          1250         2500         5000         10000           
                                                   CONTROL      PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
                                                                                                                                    
 MUSCULOSKELETAL SYSTEM                                                                                                             
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 NERVOUS SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 RESPIRATORY SYSTEM                                                                                                                 
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 SPECIAL SENSES SYSTEM                                                                                                              
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 URINARY SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             

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