https://ntp.niehs.nih.gov/go/6146

TDMS Study 96007-05 Pathology Tables

NTP Experiment-Test: 96007-05         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT18
Study Type: CHRONIC                                  WITH AVERAGE SEVERITY GRADES[b]                              Date: 07/14/03
Route: GAVAGE                                     TOXIC EQUIVALENCY FACTOR EVALUATION(PECDF)                      Time: 14:41:20
                                                       14 WEEK SSAC RATS
       Facility:  Battelle Columbus Laboratory
       Chemical CAS #:  57117-31-4
       Lock Date:  07/25/02
       Cage Range:  All
       Reasons For Removal:    25017 Scheduled Sacrifice
       Removal Date Range:     07/08/99 - 07/09/99
       Treatment Groups:       Include All
a  Number of animals examined microscopically at site and number of animals with lesion
b  Average severity grade (1-minimal;2-mild;3-moderate;4-marked)
                                                              Page   1
NTP Experiment-Test: 96007-05         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT18  
Study Type: CHRONIC                                  WITH AVERAGE SEVERITY GRADES[b]                              Date: 07/14/03    
Route: GAVAGE                                     TOXIC EQUIVALENCY FACTOR EVALUATION(PECDF)                      Time: 14:41:20    
____________________________________________________________________________________________________________________________________
         SPRAGUE-DAWLEY RATS FEMALE                   0 NG/KG      6 NG/KG      20 NG/KG     44 NG/KG     92 NG/KG     200          
                                                                                                                       NG/KG        
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DISPOSITION SUMMARY                                                                                                                 
  Animals Initially In Study                          98           98           98           98           98           98           
  Scheduled Sacrifice                                 16           16           16           16           16           16           
  Early Deaths                                                                                                                      
  Survivors                                                                                                                         
  Animals Examined Microscopically                    10           10           10           10           10           10           
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 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (10)         (10)         (10)         (10)         (10)         (10)         
      Fatty Change, Diffuse                                                                                             2 [1.0]     
      Inflammation                                     9 [1.0]     10 [1.0]     10 [1.0]     10 [1.1]     10 [1.1]     10 [1.0]     
      Pigmentation                                                                                                      2 [1.0]     
      Hepatocyte, Hypertrophy                                       1 [1.0]      3 [1.0]      3 [1.0]      4 [1.0]      7 [1.0]     
   Pancreas                                           (10)                                                             (10)         
      Acinus, Atrophy                                  1 [2.0]                                                                      
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 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
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 ENDOCRINE SYSTEM                                                                                                                   
   Thyroid Gland                                      (10)         (10)         (10)         (10)         (9)          (10)         
      Follicular Cell, Hypertrophy                                  3 [1.0]      3 [1.3]      4 [1.0]      7 [1.4]      7 [2.0]     
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
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 GENITAL SYSTEM                                                                                                                     
   Ovary                                              (10)         (10)         (10)         (10)         (10)         (10)         
      Atrophy                                          1 [3.0]      1 [3.0]      1 [4.0]      1 [3.0]      3 [3.0]                  
   Uterus                                             (10)                                                             (10)         
      Metaplasia, Squamous                             1 [1.0]                                                                      
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Average severity grade (1-minimal;2-mild;3-moderate;4-marked)                                                                    
                                                             Page    2                                                              
NTP Experiment-Test: 96007-05         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT18  
Study Type: CHRONIC                                  WITH AVERAGE SEVERITY GRADES[b]                              Date: 07/14/03    
Route: GAVAGE                                     TOXIC EQUIVALENCY FACTOR EVALUATION(PECDF)                      Time: 14:41:20    
____________________________________________________________________________________________________________________________________
         SPRAGUE-DAWLEY RATS FEMALE                   0 NG/KG      6 NG/KG      20 NG/KG     44 NG/KG     92 NG/KG     200          
                                                                                                                       NG/KG        
____________________________________________________________________________________________________________________________________
GENITAL SYSTEM - CONT                                                                                                               
      Endometrium, Hyperplasia, Cystic                 4 [3.3]                                                          3 [3.7]     
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 HEMATOPOIETIC SYSTEM                                                                                                               
   Spleen                                             (10)                                                             (10)         
      Pigmentation                                    10 [1.0]                                                         10 [1.0]     
   Thymus                                             (10)         (9)          (8)          (9)          (10)         (10)         
      Atrophy                                                                    3 [1.0]                                2 [1.0]     
      Necrosis                                                                                1 [1.0]                               
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 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)         
      Inflammation                                                                                                      1 [1.0]     
      Inflammation, Chronic Active                     2 [2.0]                                                          4 [1.8]     
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 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   None                                                                                                                             
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Average severity grade (1-minimal;2-mild;3-moderate;4-marked)                                                                    
                                                             Page    3                                                              
NTP Experiment-Test: 96007-05         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT18  
Study Type: CHRONIC                                  WITH AVERAGE SEVERITY GRADES[b]                              Date: 07/14/03    
Route: GAVAGE                                     TOXIC EQUIVALENCY FACTOR EVALUATION(PECDF)                      Time: 14:41:20    
____________________________________________________________________________________________________________________________________
         SPRAGUE-DAWLEY RATS FEMALE                   200 NG/                                                                       
                                                      KG STOP                                                                       
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially In Study                          50                                                                            
  Early Deaths                                                                                                                      
  Survivors                                                                                                                         
  Animals Examined Microscopically                                                                                                  
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 ALIMENTARY SYSTEM                                                                                                                  
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   None                                                                                                                             
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 HEMATOPOIETIC SYSTEM                                                                                                               
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Average severity grade (1-minimal;2-mild;3-moderate;4-marked)                                                                    
                                                             Page    4                                                              
NTP Experiment-Test: 96007-05         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT18  
Study Type: CHRONIC                                  WITH AVERAGE SEVERITY GRADES[b]                              Date: 07/14/03    
Route: GAVAGE                                     TOXIC EQUIVALENCY FACTOR EVALUATION(PECDF)                      Time: 14:41:20    
____________________________________________________________________________________________________________________________________
         SPRAGUE-DAWLEY RATS FEMALE                   200 NG/                                                                       
                                                      KG STOP                                                                       
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   None                                                                                                                             
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Average severity grade (1-minimal;2-mild;3-moderate;4-marked)                                                                    
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