https://ntp.niehs.nih.gov/go/19198

TDMS Study 96022-02 Pathology Tables

NTP Experiment-Test: 96022-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                            TEF EVALUATION (PCB MIXTURE;PCB 126/PCB 118)                       Date: 04/27/04
Route: GAVAGE                                                                                                     Time: 13:10:29
                                                      31 WEEK SSAC/FINAL#1
       Facility:  Battelle Columbus Laboratory
       Chemical CAS #:  TEFPCBMIX
       Lock Date:  11/04/02
       Cage Range:  All
       Reasons For Removal:    25017 Scheduled Sacrifice
       Removal Date Range:     05/16/00 - 05/17/00
       Treatment Groups:       Include 001    0 NG /  0 UG
                               Include 002    80 NG  /10 UG
                               Include 003    240 NG /30 UG
                               Include 004    800 NG /100 UG
                               Include 005    2400 NG/300 UG
                               Include 006    4000 NG/500 UG
a  Number of animals examined microscopically at site and number of animals with lesion
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NTP Experiment-Test: 96022-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                            TEF EVALUATION (PCB MIXTURE;PCB 126/PCB 118)                       Date: 04/27/04  
Route: GAVAGE                                                                                                     Time: 13:10:29  
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         SPRAGUE-DAWLEY RATS FEMALE                0 NG /       80 NG  /     240 NG /     800 NG /     2400 NG/     4000 NG/        
                                                   0 UG         10 UG        30 UG        100 UG       300 UG       500 UG          
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DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          98           86           98           86           98           86           
  Scheduled Sacrifice                                 16           10           16           10           16           10           
  Early Deaths                                                                                                                      
  Survivors                                                                                                                         
  Animals Examined Microscopically                    10           10           10           10           10           10           
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 ALIMENTARY SYSTEM                                                                                                                  
   None                                                                                                                             
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 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
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 ENDOCRINE SYSTEM                                                                                                                   
   None                                                                                                                             
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 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
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 GENITAL SYSTEM                                                                                                                     
   Uterus                                             (10)         (10)         (10)         (10)         (10)         (10)         
      Hemangioma                                                                                                        1 (10%)     
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 HEMATOPOIETIC SYSTEM                                                                                                               
   None                                                                                                                             
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NTP Experiment-Test: 96022-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                            TEF EVALUATION (PCB MIXTURE;PCB 126/PCB 118)                       Date: 04/27/04  
Route: GAVAGE                                                                                                     Time: 13:10:29  
____________________________________________________________________________________________________________________________________
         SPRAGUE-DAWLEY RATS FEMALE                0 NG /       80 NG  /     240 NG /     800 NG /     2400 NG/     4000 NG/        
                                                   0 UG         10 UG        30 UG        100 UG       300 UG       500 UG          
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   None                                                                                                                             
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 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
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 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
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 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (10)         (10)         (10)         (10)         (10)         (10)         
      Cystic Keratinizing Epithelioma                                                                                   2 (20%)     
      Cystic Keratinizing Epithelioma, Multiple                                                                         1 (10%)     
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 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
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 URINARY SYSTEM                                                                                                                     
   None                                                                                                                             
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NTP Experiment-Test: 96022-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                            TEF EVALUATION (PCB MIXTURE;PCB 126/PCB 118)                       Date: 04/27/04  
Route: GAVAGE                                                                                                     Time: 13:10:29  
____________________________________________________________________________________________________________________________________
         SPRAGUE-DAWLEY RATS FEMALE                0 NG /       80 NG  /     240 NG /     800 NG /     2400 NG/     4000 NG/        
                                                   0 UG         10 UG        30 UG        100 UG       300 UG       500 UG          
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)                                                                         3               
     Total Primary Neoplasms                                                                                        4               
   Total Animals with Benign Neoplasms                                                                              3               
     Total Benign Neoplasms                                                                                         4               
   Total Animals with Malignant Neoplasms                                                                                           
     Total Malignant Neoplasms                                                                                                      
   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                                                                                                      
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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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