Abstract
Transitional Meningioma in a Dog
Highlights
IntroductionCASEMeningioma is the most common primary brain tumor in dogs and originates from the abnormal proliferation of meningoendothelial cells
The aim of this study was to report the case of a transitional grade II meningioma in a Poodle dog, aged 13 years, which was attended at the Universidade Estadual de Santa Cruz (UESC) Veterinary Hospital
Samples of the mass were collected, preserved in 10% formalin, and sent to the HV-UESC Histopathology Laboratory, where they were processed using the conventional paraffin inclusion technique followed by hematoxylin-eosin (HE) staining
Summary
CASEMeningioma is the most common primary brain tumor in dogs and originates from the abnormal proliferation of meningoendothelial cells. Given that the clinical manifestations are not pathognomonic, the diagnosis of this disease requires the use of specialized imaging techniques such as computed tomography and magnetic resonance imaging [6,8,9], which are not yet available in most veterinary centers in Brazil Such tests might accurately diagnose canine intracranial meningiomas, they do not allow for evaluation of the specific neoplastic subtype or gradation. The prognosis of the affected animal is poor, as it was in this case, which leads to euthanasia This is a report of a case of intracranial transitional meningioma accompanied by progressive neurological alterations, in which an ante mortem diagnosis is difficult due to the limited use of computerized tomography in routine veterinary practice
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