Orbital (Retrobulbar) Meningioma in a Simmental Cow-Reference-Cited by-同舟云学术

Orbital (Retrobulbar) Meningioma in a Simmental Cow

Published:2007-07 Issue:4 Volume:44 Page:504-507
ISSN:0300-9858
Container-title:Veterinary Pathology
language:en
Short-container-title:Vet Pathol

Author:

Reis J. L.¹,Kanamura C. T.²,Machado G. M.¹,França R. O.¹,Borges J. R. J.¹,Santos R. L.³

Affiliation:

1. Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasilia, Brasilia, DF, Brazil

2. Diviso de Patologia, Instituto Adolfo Lutz, São Paulo, SP, Brazil

3. Departamento de Clinica e Cirurgia Veterinárias, Escola de Veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil

Abstract

A 12-year-old Simmental cow was presented with a moderately firm irregular whitish mass of approximately 5 cm in diameter, occupying the right orbit. Microscopically, a poorly differentiated neoplasm was observed. The immunohistochemical panel included cytokeratins, vimentin, epithelial membrane antigen, Factor VIII, CD34, Mart-1, Melan A, smooth muscle actin, desmin, chromogranin, neuron-specific enolase, S-100 protein, and MIB-1. The neoplasm was negative for all of them, with the exception of vimentin and S-100 protein. Transmission electron microscopy revealed abundant desmosomes. These findings support the diagnosis of orbital (retrobulbar) meningioma.

Publisher

SAGE Publications

Subject

General Veterinary

Link

http://journals.sagepub.com/doi/pdf/10.1354/vp.44-4-504

Reference12 articles.

1. Immunohistochemical study of Ki-67 (MIB-1), p53 protein, p21WAF1, and p27KIP1 expression in benign, atypical, and anaplastic meningiomas

2. Retrobulbar and Chiasmal Meningioma in a Dog

3. Orbital Meningioma with Intraocular Invasion in a Dog

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