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Abstract:
A 2-month old squirrel monkey (Saimiri sciureus) succumbed following a month of frequent petit mal seizures. At autopsy the only gross abnormality was a separation of the parietal suture line of the cranium. Hematoxylin and eosin stains revealed multiple focal glial nodules throughout the brain. Granulomatous hepatitis and nephritis were also present. These lesions were not typical of any reported disease in the squirrel monkey. Special stains for mucosis, tuberculosis, and toxoplasmosis were unrewarding. The bacterial stains, however, revealed gram positive, slightly curved bacilli typical of the protozoal parasite Nosema cuniculi. Electron microscopy also revealed the Nosema organism. Nosema causes a clinically silent granulomatous encephalitis and meningitis in rabbits, rats and mice, and occasionally in other animals including man. The authors believe this to be the first case of nosematosis in the squirrel monkey. (Author)
| Limitations: |
 APPROVED FOR PUBLIC RELEASE |
| Description: |
Special rept. |
| Pages: |
13 |
| Report Date: |
24 JAN 1972 |
| Report Number: |
0461647 |
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