Periódicos Brasileiros em Medicina Veterinária e Zootecnia

p. 01-07

Papiloma de plexo coroide em um cão

Cristina Thomas Heckler, MartaQuevedo Cagnini, Didierdos Santos Ramos, RenataHenrique de Araújo Machado, Luiz

Background: Choroid plexus tumors are uncommon neoplasms derived from the neuroepithelium that covers the ventricular cavity and the central canal of the spinal cord that are characterized by papillar aspect and intraventricular growth. It occurs more commonly in dogs, but it has been reported in horses, cows, ferrets and is rare in cats. After the meningiomas and gliomas, choroid plexus tumors are the third encephalic tumors in dogs. In veterinary medicine, there are not many actual reports of this type of neoplasia, therefore, the aim of this paper was to report a case of a choroid plexus papilloma in a poodle dog.Case: A six year old dog, female, poodle, was admitted at the Veterinary Hospital of the São Paulo State University Júlio de Mesquita Filho with a complaint of seizures for 15 days, blindness and head tilt to the right side. At the neurological examination, it had depression, head tilt to the right, circling and ataxia, postural reactions defi cits, absent menace response, absent light pupillary reflex with mydriasis and augmented patellar refl ex. The patient was submitted to blood harvest to perform CBC count and biochemical profi le (renal and hepatic), which were normal. The cerebrospinal fluid analysis presented a discrete raise of proteins. The animal was treated with phenobarbital and prednisone, under suspicion of infl ammatory disease or encephalic neopla

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