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TDMS Study 93027-11 Pathology Tables

NTP Experiment-Test: 93027-11               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                       PEROXISOME PROJECT (DIBUTYL PHTHALATE)                          Date: 07/08/99
Route: DOSED FEED                                                                                                 Time: 09:48:44

                                                       13 WEEK SUBCHRONIC




       Facility:  Battelle Columbus Laboratory

       Chemical CAS #:  84-74-2

       Lock Date:  06/12/96

       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: 93027-11               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                       PEROXISOME PROJECT (DIBUTYL PHTHALATE)                          Date: 07/08/99  
Route: DOSED FEED                                                                                                 Time: 09:48:44  
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         SPRAGUE-DAWLEY RATS MALE                  0 PPM        1000         2500         5000         10,000       20,000          
                                                                PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
DISPOSITION SUMMARY                                                                                                                 

  Animals Initially in Study                          10           10           10           10           10           10           
  Early Deaths                                                                                                                      
  Survivors                                                                                                                         
    Terminal Sacrifice                                10           10           10           10           10           10           

  Animals Examined Microscopically                    10           10           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                                                                                                                             
____________________________________________________________________________________________________________________________________
NTP Experiment-Test: 93027-11               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                       PEROXISOME PROJECT (DIBUTYL PHTHALATE)                          Date: 07/08/99  
Route: DOSED FEED                                                                                                 Time: 09:48:44  
____________________________________________________________________________________________________________________________________
                                                                                                                                    
         SPRAGUE-DAWLEY RATS MALE                  0 PPM        1000         2500         5000         10,000       20,000          
                                                                PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
                                                                                                                                    
 MUSCULOSKELETAL SYSTEM                                                                                                             
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 NERVOUS SYSTEM                                                                                                                     
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 RESPIRATORY SYSTEM                                                                                                                 
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 SPECIAL SENSES SYSTEM                                                                                                              
                                                                                                                                    
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
 URINARY SYSTEM                                                                                                                     
                                                                                                                                    
   Kidney                                             (10)         (10)         (10)         (10)         (10)         (10)         
      Renal Tubule, Carcinoma                                                                 1 (10%)                               
                                                                                                                                    
NTP Experiment-Test: 93027-11               INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (a)                     Report: PEIRPT02
Study Type: SUBCHRON 90-DAY                       PEROXISOME PROJECT (DIBUTYL PHTHALATE)                          Date: 07/08/99  
Route: DOSED FEED                                                                                                 Time: 09:48:44  
____________________________________________________________________________________________________________________________________
                                                                                                                                    
         SPRAGUE-DAWLEY RATS MALE                  0 PPM        1000         2500         5000         10,000       20,000          
                                                                PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
                                                                                                                                    
TUMOR SUMMARY                                                                                                                       
                                                                                                                                    
   Total Animals with Primary Neoplasms (b)                                                 1                                       
     Total Primary Neoplasms                                                                1                                       
                                                                                                                                    
   Total Animals with Benign Neoplasms                                                                                              
     Total Benign Neoplasms                                                                                                         
                                                                                                                                    
   Total Animals with Malignant Neoplasms                                                   1                                       
     Total Malignant Neoplasms                                                              1                                       
                                                                                                                                    
   Total Animals with Metastatic Neoplasms                                                                                          
     Total Metastatic Neoplasm                                                                                                      
                                                                                                                                    
   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                                                                              
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