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Curr Rev Musculoskelet Med. 2008 Dec;1(3-4):234-7. doi: 10.1007/s12178-008-9030-7. Epub 2008 Jun 11.

Obturator neuropathy.

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1
Memorial Family Medicine, 714 N. Michigan St., South Bend, IN 46601, USA. jtnobles@hotmail.com

Abstract

Obturator neuropathy is a difficult clinical problem to evaluate. One possible cause of pain is due to fascial entrapment of the nerve. Symptoms include medial thigh or groin pain, weakness with leg adduction, and sensory loss in the medial thigh of the affected side. Radiographic imaging provides limited diagnostic help. MRI may detect atrophy in the adductors of the leg. However, it is unable to detect any abnormality of the nerve or in the fibro-osseus tunnel. The best test for diagnosis is by electromyography (EMG) and can be confirmed by a local nerve block. Pharmacologic management of pain and physical therapy can be helpful in the acute phase of injury. Surgical decompression of the nerve should be considered for lesions documented by EMG or local nerve block, for those with predisposing risk factors (prior surgery, pelvic trauma, or hematoma) and with prolonged or severe lesions.

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