tailieunhanh - Bệnh thần kinh

Suprascapular bệnh thần kinh là nguyên nhân phổ biến của An Đau vai và Điểm yếu thể được bỏ qua và do yếu tố bệnh nguyên như năm. Các dây thần kinh suprascapular IS dễ bị nén ở notch suprascapular cũng như tại các notch spinoglenoid. Những nguyên nhân khác bao gồm tổn thương thần kinh suprascapular lực kéo | Suprascapular Neuropathy Anthony A. Romeo MD D. Daniel Rotenberg MD and Bernard R. Bach Jr MD Abstract Suprascapular neuropathy is an uncommon cause of shoulder pain and weakness and therefore may be overlooked as an etiologic factor. The suprascapular nerve is vulnerable to compression at the suprascapular notch as well as at the spino-glenoid notch. Other causes of suprascapular neuropathy include traction injury at the level of the transverse scapular ligament or the spinoglenoid ligament and direct trauma to the nerve. Sports involving overhead motion such as tennis swimming and weight lifting may result in traction injury to the suprascapular nerve leading to dysfunction. The diagnosis of suprascapular neuropathy is based on clinical findings and abnormal electrodiagnostic test results after the exclusion of other causes of shoulder pain and weakness. Magnetic resonance imaging may provide an anatomic demonstration of nerve entrapment and muscle atrophy. With this modality ganglion cysts are recognized with increasing frequency as a source of external compression of the suprascapular nerve. Without evidence of a discrete lesion compressing the nerve nonoperative treatment should include physical therapy and avoidance of precipitating activities. When nonoperative treatment fails to alleviate symptoms or when a discrete lesion such as a ganglion cyst is present surgical decompression is warranted. Decompression gives reliable pain relief but recovery of shoulder function and restoration of atrophied muscle tissue may be incomplete. J Am Acad Orthop Surg 1999 7 358-367 scapular ligament the fibrous tissue of the scapula or the glenohumeral joint. Magnetic resonance MR imaging of the shoulder is highly sensitive and specific in demonstrating the presence and size of Anatomy The suprascapular nerve is a motor nerve that arises from the upper trunk of the brachial plexus formed by the C5 and C6 roots occasionally with a contribution from the C4 root. The

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