Diffuse meningeal oligodendrogliomatosis characterized by spinal intra-parenchymal nodules on magnetic resonance imaging in a dog

Meningeal oligodendrogliomatosis is a relatively rare neoplasm in dogs. Ante-mortem diagnosis is difficult due to nonspecific neurologic signs overlapping other conditions. The only reported consistent feature is a high level of protein in the cerebrospinal fluid. Veterinary literature offers only 1...

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Bibliographic Details
Published in:Canadian veterinary journal 2020-12, Vol.61 (12), p.1312-1318
Main Authors: Giron, Céline, Paquette, Dominique, Culang, Déborah, Doré, Monique, Masseau, Isabelle
Format: Article
Language:English
Subjects:
Animals
Diagnosis, Differential
Dog Diseases - diagnostic imaging
Dogs
Female
Magnetic Resonance Imaging - veterinary
Meningeal Neoplasms - diagnostic imaging
Meningeal Neoplasms - veterinary
Oligodendroglioma - veterinary
Scientific
Spinal Cord - diagnostic imaging
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Summary:Meningeal oligodendrogliomatosis is a relatively rare neoplasm in dogs. Ante-mortem diagnosis is difficult due to nonspecific neurologic signs overlapping other conditions. The only reported consistent feature is a high level of protein in the cerebrospinal fluid. Veterinary literature offers only 1 case report with magnetic resonance imaging (MRI) of canine spinal meningeal oligodendrogliomatosis in a single dog. In contrast to the predominant diffuse meningeal enhancement shown in that report, we present the case of a young female cane corso dog with marked nodular invasion of the spinal cord on MRI, confirmed by histopathology to be consistent with diffuse meningeal oligodendrogliomatosis. Key clinical message: Meningeal oligodendrogliomatosis should be a differential diagnosis when marked nodular invasion of the spinal cord is seen on MRI, both with and without meningeal enhancement.
ISSN:0008-5286