https://ntp.niehs.nih.gov/go/16309

TDMS Study 97013-90 Pathology Tables

NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03
Route: DOSED WATER                                                                                                Time: 09:34:47
                                                         FINAL #1 MICE
       Facility:  Battelle Columbus Laboratory
       Chemical CAS #:  79-43-6
       Lock Date:  07/31/01
       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: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
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         P53+/-(C57BL/6) FEMALE                    0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          10           10           10           10                                     
  Early Deaths                                                                                                                      
    Moribund Sacrifice                                              1                                                               
    Natural Death                                                                             1                                     
  Survivors                                                                                                                         
    Terminal Sacrifice                                10            9           10            9                                     
  Animals Examined Microscopically                    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                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Uterus                                             (10)         (10)         (10)         (10)                                   
      Polyp Stromal                                                 1 (10%)                                                         
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 HEMATOPOIETIC SYSTEM                                                                                                               
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   2                                                               
NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
____________________________________________________________________________________________________________________________________
         P53+/-(C57BL/6) FEMALE                    0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Skin                                                            (1)                       (1)                                    
      Subcutaneous Tissue, Rhabdomyosarcoma                                                   1 (100%)                              
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 MUSCULOSKELETAL SYSTEM                                                                                                             
   Bone                                                            (1)                       (1)                                    
      Osteosarcoma                                                  1 (100%)                  1 (100%)                              
   Skeletal Muscle                                                 (1)                       (1)                                    
      Osteosarcoma, Metastatic, Bone                                1 (100%)                  1 (100%)                              
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 NERVOUS SYSTEM                                                                                                                     
   Spinal Cord                                                     (1)                                                              
      Osteosarcoma, Metastatic, Bone                                1 (100%)                                                        
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 RESPIRATORY SYSTEM                                                                                                                 
   None                                                                                                                             
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 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
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 URINARY SYSTEM                                                                                                                     
   None                                                                                                                             
                                                             Page   3                                                               
NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
____________________________________________________________________________________________________________________________________
         P53+/-(C57BL/6) FEMALE                    0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)                         2                       2                                       
     Total Primary Neoplasms                                        2                       2                                       
   Total Animals with Benign Neoplasms                              1                                                               
     Total Benign Neoplasms                                         1                                                               
   Total Animals with Malignant Neoplasms                           1                       2                                       
     Total Malignant Neoplasms                                      1                       2                                       
   Total Animals with Metastatic Neoplasms                          1                       1                                       
     Total Metastatic Neoplasm                                      2                       1                                       
   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                                                                              
                                                             Page   4                                                               
NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
____________________________________________________________________________________________________________________________________
         P53+/-(C57BL/6) MALE                      0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          10           10           10           10                                     
  Early Deaths                                                                                                                      
    Natural Death                                      1                         1                                                  
  Survivors                                                                                                                         
    Terminal Sacrifice                                 9           10            9           10                                     
  Animals Examined Microscopically                    10           10           10           10                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (10)         (10)         (10)         (10)                                   
      Hepatocellular Adenoma                                        2 (20%)                                                         
      Osteosarcoma, Metastatic, Bone                   1 (10%)                                                                      
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 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
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 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (10)         (10)         (10)         (10)                                   
      Thymoma Malignant, Metastatic, Thymus                         1 (10%)                                                         
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 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   5                                                               
NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
____________________________________________________________________________________________________________________________________
         P53+/-(C57BL/6) MALE                      0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Spleen                                             (10)         (10)         (10)         (10)                                   
   Thymus                                             (10)         (10)         (10)         (10)                                   
      Thymoma Malignant                                             1 (10%)                                                         
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 INTEGUMENTARY SYSTEM                                                                                                               
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   Bone                                               (1)          (1)                                                              
      Osteosarcoma                                     1 (100%)     1 (100%)                                                        
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 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (10)         (10)         (10)         (10)                                   
      Thymoma Malignant, Metastatic, Thymus                         1 (10%)                                                         
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 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
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 URINARY SYSTEM                                                                                                                     
   Kidney                                             (10)         (10)         (10)         (10)                                   
      Thymoma Malignant, Metastatic, Thymus                         1 (10%)                                                         
                                                             Page   6                                                               
NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
____________________________________________________________________________________________________________________________________
         P53+/-(C57BL/6) MALE                      0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(10)        *(10)        *(10)        *(10)                                   
      Lymphoma Malignant                                                         1 (10%)                                            
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     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   7                                                               
NTP Experiment-Test: 97013-90  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                       WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 12/05/03  
Route: DOSED WATER                                                                                                Time: 09:34:47  
____________________________________________________________________________________________________________________________________
         P53+/-(C57BL/6) MALE                      0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)             1           3           1                                                   
     Total Primary Neoplasms                            1           4           1                                                   
   Total Animals with Benign Neoplasms                              2                                                               
     Total Benign Neoplasms                                         2                                                               
   Total Animals with Malignant Neoplasms               1           2           1                                                   
     Total Malignant Neoplasms                          1           2           1                                                   
   Total Animals with Metastatic Neoplasms              1           1                                                               
     Total Metastatic Neoplasm                          1           3                                                               
   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   8                                                               
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