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Year 2015 - Volume 35, Number 1
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Ocular and annexes neoplasms in dogs and cats in Rio Grande do Sul: cases 265 (2009-2014), 35(1):49-54
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ABSTRACT.- Hesse K.L., Fredo G., Guimarães L.L.B., Reis M.O., Pigatto J.A.T., Pavarini S.P., Driemeier D. & Sonne L. 2015. [Ocular and annexes neoplasms in dogs and cats in Rio Grande do Sul: cases 265 (2009-2014).] Neoplasmas oculares e de anexos em cães e gatos no Rio Grande do Sul: 265 casos (2009-2014). Pesquisa Veterinária Brasileira 35(1):49-54. Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Prédio 42505, Porto Alegre, RS 91540-000, Brazil. E-mail: luciana.sonne@ufrgs.br
Ocular neoplasms cause discomfort, loss of vision or may also reflect systemic diseases. A retrospective study has been performed to identify and analyze ocular and annexes neoplasms obtained by biopsies sent to the Sector of Veterinary Pathology at the Federal University of Rio Grande do Sul (SPV/ UFRGS). 265 diagnoses of ocular and annexes neoplasms, 87.5% in canine species and 12.5% in feline species, were made from January 2009 to December 2014. Neoplasms occurred more in animals over the age of 12 months and animals of old age, dogs (52/232) and cats (21/33) mixed breed were the most affected. The eyelid was most commonly affected in dogs (164/232) and feline (20/33), followed by the third eyelid in dogs (20/232) and eye orbit in cats (5/33). The most common tumor diagnosed was meibomian adenoma in dogs (82/232) and squamous cell carcinoma in cats (10/33) both in the eyelids. Twenty four tumor types have been identified in dogs and 16 in cats. Benign neoplasms in dogs represented the largest number of diagnosis (56%) whereas in cats, there were more cases of malignant neoplasms (75.8%). |
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