https://ntp.niehs.nih.gov/go/13202

TDMS Study 97013-97 Pathology Tables

NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03
Route: GAVAGE                                                                                                     Time: 12:01:00
                                                         FINAL #1 MICE
       Facility:  Battelle Columbus Laboratory
       Chemical CAS #:  75-27-4
       Lock Date:  07/19/01
       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: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          10           10           10           10                                     
  Early Deaths                                                                                                                      
    Natural Death                                      2            1            1            1                                     
    Moribund Sacrifice                                 1                                      2                                     
  Survivors                                                                                                                         
    Terminal Sacrifice                                 7            9            9            7                                     
  Animals Examined Microscopically                    10           10           10           10                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (10)         (10)         (10)         (10)                                   
   Salivary Glands                                                                           (3)                                    
      Duct, Carcinoma                                                                         3 (100%)                              
   Stomach, Forestomach                               (10)         (10)         (10)         (10)                                   
      Squamous Cell Papilloma                          3 (30%)      1 (10%)      3 (30%)      1 (10%)                               
      Squamous Cell Papilloma, Multiple                1 (10%)      6 (60%)      5 (50%)      9 (90%)                               
   Tooth                                              (4)          (3)          (3)          (2)                                    
      Odontogenic Tumor                                4 (100%)     3 (100%)     3 (100%)     2 (100%)                              
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (10)         (10)         (10)         (10)                                   
   Adrenal Medulla                                    (10)         (10)         (10)         (10)                                   
   Pituitary Gland                                    (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   2                                                               
NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Ovary                                              (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Lymph Node                                                                                (1)                                    
      Mediastinal, Squamous Cell Carcinoma,                                                                                         
          Metastatic, Skin                                                                    1 (100%)                              
   Lymph Node, Mandibular                             (10)         (10)         (10)         (9)                                    
      Squamous Cell Carcinoma, Metastatic, Skin                                               1 (11%)                               
   Spleen                                             (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Skin                                               (6)          (5)          (7)          (7)                                    
      Squamous Cell Carcinoma                                                                 1 (14%)                               
      Squamous Cell Papilloma                          3 (50%)      2 (40%)      2 (29%)      3 (43%)                               
      Squamous Cell Papilloma, Multiple                3 (50%)      2 (40%)      4 (57%)      4 (57%)                               
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
                                                             Page   3                                                               
NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(10)        *(10)        *(10)        *(10)                                   
      Leukemia Erythrocytic                                         1 (10%)                                                         
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   4                                                               
NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS FEMALE            0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            10           7           9          10                                       
     Total Primary Neoplasms                           14          15          17          23                                       
   Total Animals with Benign Neoplasms                  8           7           9          10                                       
     Total Benign Neoplasms                            10          11          14          17                                       
   Total Animals with Malignant Neoplasms                           1                       4                                       
     Total Malignant Neoplasms                                      1                       4                                       
   Total Animals with Metastatic Neoplasms                                                  1                                       
     Total Metastatic Neoplasm                                                              2                                       
   Total Animals with Malignant Neoplasms                                                                                           
   Uncertain Primary Site                                                                                                           
   Total Animals with Neoplasms Uncertain-                                                                                          
   Benign or Malignant                                  4           3           3           2                                       
     Total Uncertain Neoplasms                          4           3           3           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: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          10           10           10           10                                     
  Early Deaths                                                                                                                      
    Moribund Sacrifice                                 3            1            4            2                                     
    Accidently Killed                                  1                                                                            
    Dosing Accident                                                 3                                                               
  Survivors                                                                                                                         
    Terminal Sacrifice                                 6            6            6            8                                     
  Animals Examined Microscopically                    10           10           10           10                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Intestine Large, Rectum                            (1)          (1)          (1)          (1)                                    
      Anus, Squamous Cell Papilloma                                                           1 (100%)                              
   Liver                                              (10)         (10)         (10)         (10)                                   
   Salivary Glands                                    (2)                       (2)          (1)                                    
      Duct, Carcinoma                                  2 (100%)                  2 (100%)     1 (100%)                              
   Stomach, Forestomach                               (10)         (10)         (10)         (10)                                   
      Squamous Cell Papilloma                          2 (20%)      1 (10%)      4 (40%)      1 (10%)                               
      Squamous Cell Papilloma, Multiple                6 (60%)      5 (50%)      5 (50%)      5 (50%)                               
   Tooth                                              (4)          (2)          (4)          (4)                                    
      Odontogenic Tumor                                4 (100%)     2 (100%)     4 (100%)     4 (100%)                              
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (10)         (10)         (10)         (10)                                   
   Adrenal Medulla                                    (10)         (10)         (10)         (10)                                   
   Pituitary Gland                                    (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
                                                             Page   6                                                               
NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Epididymis                                         (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Spleen                                             (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Skin                                               (5)          (6)          (5)          (7)                                    
      Squamous Cell Papilloma                          1 (20%)      2 (33%)                   4 (57%)                               
      Squamous Cell Papilloma, Multiple                4 (80%)      4 (67%)      4 (80%)      2 (29%)                               
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   Harderian Gland                                                              (1)                                                 
      Adenoma                                                                    1 (100%)                                           
____________________________________________________________________________________________________________________________________
                                                             Page   7                                                               
NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (10)         (10)         (10)         (10)                                   
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(10)        *(10)        *(10)        *(10)                                   
      Leukemia Erythrocytic                                                      1 (10%)                                            
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   8                                                               
NTP Experiment-Test: 97013-97  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: 26-39 WEEKS                      WATER DISINFECTION MODEL (BROMODICHLOROMETHANE)                      Date: 11/04/03  
Route: GAVAGE                                                                                                     Time: 12:01:00  
____________________________________________________________________________________________________________________________________
         TGAC (FVB/N) HEMIZYGOUS MALE              0 MG/KG      25 MG/KG     50 MG/KG     100                                       
                                                                                          MG/KG                                     
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            10           7          10          10                                       
     Total Primary Neoplasms                           19          14          21          18                                       
   Total Animals with Benign Neoplasms                  8           6          10           7                                       
     Total Benign Neoplasms                            13          12          14          13                                       
   Total Animals with Malignant Neoplasms               2                       3           1                                       
     Total Malignant Neoplasms                          2                       3           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                                  4           2           4           4                                       
     Total Uncertain Neoplasms                          4           2           4           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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