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KMID : 1094020170340050377
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Journal of Veterinary Clinics
2017 Volume.34 No. 5 p.377 ~ p.380
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Magnetic Resonance Imaging Diagnosis of Epidural Idiopathic Sterile Pyogranulomatous Inflammation in a Dog
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Hwang Tae-Sung
Shin Chang-Ho
Kim Young-Ki
Yeon Seong-Chan
Lee Hee-Chun
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Abstract
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An 8-year-old, shih-tzu female dog was referred due to neurological signs including paraparesis and back pain. On the complete blood count, hematologic analysis showed elevated leukocytosis. Serum biochemical analysis revealed elevated serum alkaline phosphatase concentration and C-reactive protein concentration. On the neurologic exam, the dog was suspected to have thoracolumbar myelopathy. On magnetic resonance imaging, there were masses within the spinal canal at L1-3 intervertebral disc space that were located dorsal to spinal cord. It was hyperintense on T1-, T2-weighted magnetic resonance images, Fluid-attenuated inversion recovery, and fat suppression images. The contrast-enhanced T1-weighted images showed no enhancement. The lesions were well circumscribed. The spinal cord was compressed and displaced ventrally by the mass. After removal of the masses via L1-L3 dorsal laminectomy, pyogranulomatous inflammation was confirmed by histopathological examination. Six months after surgery, the dog recovered uneventfully and remained fully ambulatory with no neurological deficits. This case demonstrates the utility of magnetic resonance imaging for the diagnosis of spinal canal pyogranulomatous inflammation.
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KEYWORD
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pyogranulomatous inflammation, magnetic resonance image, spinal cord, dog
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