• J Lee, R J Wisneski, and G E Lutz.
• Department of Physical Medicine and Rehabilitation, Hospital for Special Surgery, New York 10021, USA.
• Arch Phys Med Rehabil. 2000 Jun 1; 81 (6): 837-9.

AbstractThis report describes a case of a professional baseball pitcher who developed acute left lumbar radicular symptoms after a baseball game and was subsequently sidelined for the rest of the season. Physical examination revealed depressed reflexes in the left posterior tibialis and left medial hamstring muscles, mild weakness in the left extensor hallucis longus, and positive dural tension signs. Magnetic resonance imaging demonstrated an ovoid mass at the L4-L5 level, causing compression of the dura. Surgical resection of the mass resulted in resolution of his symptoms. Pathology revealed that the mass was a ganglion cyst. A ganglion cyst is a rare cause of lumbar radiculopathy and should be considered in the differential diagnosis if a patient with lumbar radiculopathy fails to respond to conservative treatment.

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