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KMID : 1094020140310050439
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Journal of Veterinary Clinics
2014 Volume.31 No. 5 p.439 ~ p.444
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Spinal Syringomyelia Secondary to an Intracranial Microcystic Meningioma in a Dog
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Won Sang-cheol
Kim Jae-Hoon
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Abstract
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A 5-year-old, 2.7 kg female maltese dog was presented a local veterinary clinic with one week history ofhindlimb lameness associated with patellar luxation. Reduction of bilateral medial patellar luxation was operated usingtrochlear resection and lateral reinforcement technique. Three weeks after the surgery, the dog showed bending spinewith pain in thoracic and lumbar region, continuous ataxia and intermittent convulsion. Magnetic resonance imagingscanning revealed a hyperintense mass in right frontal lobe of brain and abnormal cavitation from cervical cord tothird lumbar cord. Histopathologically, neoplasm in brain composed of meningothelial cells showed loosely reticularor lace-like morphology with numerous extracellular cystic spaces of variable size and shape. Neoplastic cells werepositive for vimentin and negative for neuron specific enolase and glial fibrillary acidic protein. Irregular shaped enlargecentral canal-like cavity was existed in cervical and lumbar cords. In our best knowledge, this report described theclinical findings, imaging and histopathologic characteristics of unusual intracranial microcystic meningioma withsecondary syringomyelia in a dog.
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KEYWORD
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convulsion, dog, magnetic resonance imaging, microcystic meningioma, syringomyelia
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