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Ciência Rural

Print version ISSN 0103-8478On-line version ISSN 1678-4596


AIELLO, Graciane et al. A rare retrobulbar and chiasmal meningioma in a dog. Cienc. Rural [online]. 2019, vol.49, n.7, e20180970.  Epub July 15, 2019. ISSN 1678-4596.

A 14-year-old female Dachshund was referred to a veterinary hospital with a history and signalment of head pressing, compulsive walking, and right circling. At ophthalmologic examination, a mature cataract and absence of photomotor reflex in the right eye were observed. The neurological exam revealed multifocal encephalic signs. At necropsy, a conical solid tan mass was observed involving the right optic nerve throughout its extension to the optic chiasm. Histopathological findings confirmed a retrobulbar papillary meningioma, considered rare and seldom included as differential diagnosis in patients with neurological signs.

Keywords : ocular neoplasm; papillary meningioma; central nervous system; canine.

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