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Carcinoma de células escamosas no olho de bovino com invasão cerebral através dos nervos cranianos Ocular squamous cell carcinoma in a cow with cerebral invasion through cranial nerves

By Ricardo Rocha de Barros, Raquel Rubia Rech, Aline de Marco Viott and Claudio Severo Lombardo de Barros

Abstract

Um carcinoma de células escamosas foi removido do olho de uma vaca de 7 anos de idade que apresentava ptose da orelha esquerda, salivação e perda de peso progressiva. Devido ao mau prognóstico, a vaca foi submetida à eutanásia 9 meses após a cirurgia. Na necropsia e no exame histopatológico, foi observado que o tumor havia invadido o tronco encefálico através dos nervos cranianos. Outros achados de necropsia significativos incluíam pneumonia de aspiração e atrofia por desnervação do músculo temporal esquerdo.<br>A squamous cell carcinoma of the eye was removed from a 7-year-old cow which presented drooping of left ear, drooling and progressive loss of weight. Due to poor prognosis it was euthanatized 9 months after surgery. At necropsy and histopathological examination it was found that the tumor had invaded the brain stem through the cranial nerves. Additional necropsy significant findings included aspiration pneumonia and denervation atrophy of the left temporal muscle

Topics: neoplasia, câncer de olho, invasão cerebral, doenças de bovinos, neoplasia, eye cancer, cerebral invasion, cattle diseases, Animal culture, SF1-1100, Agriculture, S, DOAJ:Animal Sciences, DOAJ:Agriculture and Food Sciences, Agriculture (General), S1-972
Publisher: Universidade Federal de Santa Maria
Year: 2006
DOI identifier: 10.1590/S0103-84782006000500051
OAI identifier: oai:doaj.org/article:3a2e84b8055e4f7fa4f33b46ded863d8
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