https://ntp.niehs.nih.gov/go/20574

TDMS Study 05196-04 Pathology Tables

NTP Experiment-Test: 05196-04         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT03
Study Type: SUBCHRON 90-DAY                                  SODIUM SELENITE                                      Date: 10/19/04
Route: DOSED WATER                                                                                                Time: 07:19:03
       Facility:  TSI Mason Research
       Chemical CAS #:  10102-18-8
       Lock Date:  None
       Cage Range:  All
       Reasons For Removal:    All
       Removal Date Range:     All
       Treatment Groups:       Include 002    0       PPM
                               Include 001    0       PPM
                               Include 004    2       PPM
                               Include 003    2       PPM
                               Include 006    4       PPM
                               Include 005    4       PPM
                               Include 008    8       PPM
                               Include 007    8       PPM
                               Include 010    16      PPM
                               Include 009    16      PPM
                               Include 012    32      PPM
                               Include 011    32      PPM
a  Number of animals examined microscopically at site and number of animals with lesion
                                                              Page   1
NTP Experiment-Test: 05196-04         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT03  
Study Type: SUBCHRON 90-DAY                                  SODIUM SELENITE                                      Date: 10/19/04    
Route: DOSED WATER                                                                                                Time: 07:19:03    
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        0            2            4            8            16           32              
                                                   PPM          PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially In Study                          10           10           10           10           10           10           
  Early Deaths                                                                                                                      
  Survivors                                                                                                                         
    Terminal Sacrifice                                10           10           10           10           10           10           
  Animals Examined Microscopically                    10                         2            1                        10           
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (10)                      (1)                                    (10)         
      Hematopoietic Cell Proliferation                 5 (50%)                   1 (100%)                               4 (40%)     
      Hepatodiaphragmatic Nodule                                                 1 (100%)                                           
   Salivary Glands                                    (10)                                                             (10)         
      Inflammation, Subacute                           2 (20%)                                                          2 (20%)     
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Ovary                                              (10)                      (1)                                    (10)         
      Cyst                                                                       1 (100%)                                           
   Uterus                                             (10)                                   (1)                       (10)         
      Endometrium, Hyperplasia                                                                1 (100%)                              
      Lumen, Dilatation                                1 (10%)                                                                      
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
a  Number of animals examined microscopically at site and number of animals with lesion                                             
                                                             Page    2                                                              
NTP Experiment-Test: 05196-04         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT03  
Study Type: SUBCHRON 90-DAY                                  SODIUM SELENITE                                      Date: 10/19/04    
Route: DOSED WATER                                                                                                Time: 07:19:03    
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        0            2            4            8            16           32              
                                                   PPM          PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (10)                                                             (10)         
      Hemorrhage, Focal                                1 (10%)                                                          3 (30%)     
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   None                                                                                                                             
a  Number of animals examined microscopically at site and number of animals with lesion                                             
                                                             Page    3                                                              
NTP Experiment-Test: 05196-04         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT03  
Study Type: SUBCHRON 90-DAY                                  SODIUM SELENITE                                      Date: 10/19/04    
Route: DOSED WATER                                                                                                Time: 07:19:03    
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          0            2            4            8            16           32              
                                                   PPM          PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially In Study                          10           10           10           10           10           10           
  Early Deaths                                                                                                                      
  Survivors                                                                                                                         
    Terminal Sacrifice                                10           10           10           10           10           10           
  Animals Examined Microscopically                    10                                                               10           
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Liver                                              (10)                                                             (10)         
      Hematopoietic Cell Proliferation                 1 (10%)                                                          1 (10%)     
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Parathyroid Gland                                  (8)                                                              (5)          
      Unilateral, Cyst                                 1 (13%)                                                                      
   Thyroid Gland                                      (10)                                                             (10)         
      Inflammation, Focal, Subacute                                                                                     1 (10%)     
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Bone Marrow                                        (10)                                                             (10)         
      Pigmentation, Hemosiderin                                                                                         1 (10%)     
____________________________________________________________________________________________________________________________________
a  Number of animals examined microscopically at site and number of animals with lesion                                             
                                                             Page    4                                                              
NTP Experiment-Test: 05196-04         INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a)               Report: PEIRPT03  
Study Type: SUBCHRON 90-DAY                                  SODIUM SELENITE                                      Date: 10/19/04    
Route: DOSED WATER                                                                                                Time: 07:19:03    
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          0            2            4            8            16           32              
                                                   PPM          PPM          PPM          PPM          PPM          PPM             
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (10)                                                             (10)         
      Hemorrhage, Focal                                1 (10%)                                                          5 (50%)     
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (10)                                                             (10)         
      Pelvis, Inflammation, Focal                                                                                       1 (10%)     
   Urinary Bladder                                    (10)                                                             (10)         
      Lumen, Concretion                                1 (10%)                                                                      
a  Number of animals examined microscopically at site and number of animals with lesion                                             
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