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Journal of Biological Sciences

Year: 2007 | Volume: 7 | Issue: 2 | Page No.: 462-463
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Authors

Hossein Nourani

Bijan Ziaee

Keywords

Research Article

The First Report of Intracranial Meningioma in a Donkey

Hossein Nourani and Bijan Ziaee
An intracranial meningioma was diagnosed in a 6-year-old male donkey. At necropsy, the tumor was found in longitudinal fissure between cerebral hemispheres and easily removed from the brain. Grossly, the mass was 12 x 4 x 6 mm, well defined, smooth, lenticular shape, firm and gray-white. In one pole, the mass color was red-brown. On the cut surface, the mass had solid appearance. Histopathological examination of the mass revealed meningothelial cells around a central vascular core and perivascular cell free zone. The neoplastic meningothelial cells had elongate or round nuclei and abundant cytoplasm with indistinct borders. According to macroscopic and microscopic features, the mass was diagnosed as papillary meningioma.
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