A rare retrobulbar and chiasmal meningioma in a dog

Author:

Aiello Graciane1,Ripplinger Angel1ORCID,Schwab Marcelo Luís1ORCID,Ferrarin Dênis Antonio1ORCID,Rauber Júlia da Silva1,Areco Walter Cardozo1,Flores Mariana Martins2,Mazzanti Alexandre1ORCID

Affiliation:

1. Universidade Federal de Santa Maria (UFSM), Brazil

2. Universidade Federal de Santa Maria (UFSM, Brazil

Abstract

ABSTRACT: 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.

Publisher

FapUNIFESP (SciELO)

Subject

General Veterinary,Agronomy and Crop Science,Animal Science and Zoology

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