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KMID : 0613320030090020212
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Journal of the Korean Bone and Joint Tumor Soceity
2003 Volume.9 No. 2 p.212 ~ p.216
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Ganglionic Cyst of the Peroneal Nerve - A Case Report -
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Song Kwang-Soon
Jeon Si-Hyun
Kim In-Kyu
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Abstract
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A Common peroneal nerve palsy caused by ganglionic cyst is very rare condition but well recognised entities. There have been three previous reports describing the magnetic resonance image (MRI) findings of peroneal nerve entrapment due to a ganglionic cyst. Ultrasonography, MRI, and electromyography (EMG), nerve conduction velocity (NCV), and microscopic examination were taken for diagnosis. A tubular structure near the fibular neck extending longitudinally over several slices with an inferior extension towards the superior tibiofibular joint with high T2 signal intensity was characteristic. The peroneal nerve was exposed and the ganglionic cyst was excised. The nerve was paralysed immediately after operation, but at 4 month after operation, started recovery of the function gradually and has recovered completely at 7 month. MRI is helpful to detect the extent, location, and origin of the cyst. Meticulous surgical excision can provide favorable result.
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KEYWORD
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Ganglionic cyst, Peroneal nerve, MRI, Excision
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