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KMID : 1001920110490060384
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Journal of Korean Neurosurgical Society
2011 Volume.49 No. 6 p.384 ~ p.386
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Sudden Foot Drop Caused by Foraminal Gas Pseudocyst
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Kim Hyun-Sook
Kim Heyun-Sung
Kim Seok-Won
Shin Ho
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Abstract
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A foraminal gas pseudocyst is a rare cause of lumbar radiculopathy. The association with a sudden foot drop has not been previously reported. Here, a 67-year-old woman with sudden foot drop on the left side is reported. Computed tomography and magnetic resonance imaging identified a foraminal gas containing lesion compressing the left L5 root at the L5-S1 foramen. The foraminal gas containing lesion compressing the L5 ganglion was successfully removed by the posterior approach. The histological diagnosis was a gas pseudocyst. This unique case of surgically proven gas pseudocyst indicates that it should be included in the differential diagnosis of patients presenting with sudden foot drop.
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KEYWORD
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Gas pseudocyst, Foramen, Foot drop
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