https://ntp.niehs.nih.gov/go/15980

TDMS Study 97013-13 Pathology Tables

NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05
Route: DOSED WATER                                                                                                Time: 10:01:38
                                                       FINAL #1/TGAC MICE
       Facility:  Battelle Columbus Laboratory
       Chemical CAS #:  79-43-6
       Lock Date:  07/31/01
       Cage Range:  All
       Reasons For Removal:    25019 Moribund Sacrifice                25020 Natural Death
                               25021 Terminal Sacrifice
       Removal Date Range:     All
       Treatment Groups:       Include 001    0 MG/L
                               Include 002    0 MG/L
                               Include 003    500 MG/L
                               Include 004    500 MG/L
                               Include 005    1000MG/L
                               Include 006    1000MG/L
                               Include 007    2000MG/L
                               Include 008    2000MG/L
a  Number of animals examined microscopically at site and number of animals with lesion
                                                              Page   1
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
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DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          15           15           15           15                                     
  Early Deaths                                                                                                                      
    Moribund Sacrifice                                              4            1            4                                     
    Natural Death                                                   3            1            1                                     
  Survivors                                                                                                                         
    Terminal Sacrifice                                15            8           13           10                                     
  Animals Examined Microscopically                    15           15           15           15                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Intestine Large, Rectum                            (2)                       (2)                                                 
      Anus, Squamous Cell Papilloma                    2 (100%)                  2 (100%)                                           
   Liver                                              (15)         (15)         (15)         (15)                                   
   Salivary Glands                                    (1)                                                                           
      Carcinoma                                        1 (100%)                                                                     
   Stomach, Forestomach                               (15)         (15)         (15)         (15)                                   
      Squamous Cell Papilloma                          4 (27%)      3 (20%)      2 (13%)      4 (27%)                               
      Squamous Cell Papilloma, Multiple                1 (7%)       2 (13%)      3 (20%)                                            
   Tooth                                              (2)          (4)          (2)          (2)                                    
      Odontogenic Tumor                                2 (100%)     4 (100%)     2 (100%)     2 (100%)                              
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (15)         (15)         (15)         (15)                                   
   Adrenal Medulla                                    (15)         (15)         (15)         (15)                                   
   Pituitary Gland                                    (15)         (14)         (15)         (15)                                   
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   2                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Ovary                                              (15)         (15)         (15)         (15)                                   
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 HEMATOPOIETIC SYSTEM                                                                                                               
   Lymph Node                                         (1)                                                                           
   Lymph Node, Mandibular                             (15)         (14)         (15)         (15)                                   
   Lymph Node, Mesenteric                             (15)         (13)         (15)         (15)                                   
   Spleen                                             (15)         (15)         (15)         (15)                                   
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Skin                                               (4)          (4)          (2)          (8)                                    
      Squamous Cell Papilloma                          4 (100%)     4 (100%)     1 (50%)      4 (50%)                               
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 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
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 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
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 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (15)         (15)         (15)         (15)                                   
      Alveolar/Bronchiolar Adenoma                                  1 (7%)                    1 (7%)                                
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   3                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (15)         (15)         (15)         (15)                                   
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 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(15)        *(15)        *(15)        *(15)                                   
      Leukemia Erythrocytic                            1 (7%)       1 (7%)                                                          
      Lymphoma Malignant                                                                      1 (7%)                                
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   4                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            10          10           9          10                                       
     Total Primary Neoplasms                           15          15          10          12                                       
   Total Animals with Benign Neoplasms                  8           8           8           7                                       
     Total Benign Neoplasms                            11          10           8           9                                       
   Total Animals with Malignant Neoplasms               2           1                       1                                       
     Total Malignant Neoplasms                          2           1                       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                                  2           4           2           2                                       
     Total Uncertain Neoplasms                          2           4           2           2                                       
____________________________________________________________________________________________________________________________________
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Primary tumors: all tumors except metastatic tumors                                                                              
                                                             Page   5                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          15           15           15           15                                     
  Early Deaths                                                                                                                      
    Moribund Sacrifice                                 1            2            4            1                                     
  Survivors                                                                                                                         
    Terminal Sacrifice                                14           13           11           14                                     
  Animals Examined Microscopically                    15           15           15           15                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (15)         (15)         (15)         (15)                                   
   Salivary Glands                                                              (1)          (1)                                    
      Carcinoma                                                                  1 (100%)     1 (100%)                              
   Stomach, Forestomach                               (15)         (15)         (15)         (15)                                   
      Squamous Cell Papilloma                          1 (7%)       3 (20%)      5 (33%)      3 (20%)                               
      Squamous Cell Papilloma, Multiple                3 (20%)      2 (13%)      2 (13%)      3 (20%)                               
   Tooth                                              (1)          (3)          (4)                                                 
      Odontogenic Tumor                                1 (100%)     3 (100%)     3 (75%)                                            
      Odontogenic Tumor, Multiple                                                1 (25%)                                            
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (15)         (15)         (15)         (15)                                   
   Adrenal Medulla                                    (15)         (15)         (15)         (15)                                   
   Pituitary Gland                                    (14)         (15)         (15)         (15)                                   
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   6                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Spleen                                             (15)         (15)         (15)         (15)                                   
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Skin                                               (4)          (4)          (4)          (6)                                    
      Squamous Cell Papilloma                          2 (50%)      3 (75%)      2 (50%)      3 (50%)                               
      Squamous Cell Papilloma, Multiple                             1 (25%)      2 (50%)      1 (17%)                               
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (15)         (15)         (15)         (15)                                   
      Alveolar/Bronchiolar Carcinoma                                             1 (7%)                                             
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   7                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (15)         (15)         (15)         (15)                                   
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(15)        *(15)        *(15)        *(15)                                   
      Leukemia Erythrocytic                                         1 (7%)                                                          
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   8                                                               
NTP Experiment-Test: 97013-13  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: SUBCHRON 26-WEEK                  WATER DISINFECTION MODEL (DICHLOROACETIC ACID)                      Date: 01/27/05  
Route: DOSED WATER                                                                                                Time: 10:01:38  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/L       500 MG/L     1000MG/L     2000MG/L                                  
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)             7          11          12           8                                       
     Total Primary Neoplasms                            7          13          17          11                                       
   Total Animals with Benign Neoplasms                  6           8           8           7                                       
     Total Benign Neoplasms                             6           9          11          10                                       
   Total Animals with Malignant Neoplasms                           1           2           1                                       
     Total Malignant Neoplasms                                      1           2           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                                  1           3           4                                                   
     Total Uncertain Neoplasms                          1           3           4                                                   
____________________________________________________________________________________________________________________________________
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Primary tumors: all tumors except metastatic tumors                                                                              
                                                             Page   9                                                               
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