Surgical decompression of an accessory bicipital aponeurosis associated with median neuropathy in the antecubital fossa: A case report.

Q3 Medicine Surgical Neurology International Pub Date : 2021-12-20 eCollection Date: 2021-01-01 DOI:10.25259/SNI_520_2021

Mark Richard Kraemer, Mark D Corriveau, Michael J Tuite, Amgad S Hanna

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引用次数: 1

Abstract

Background: Accessory muscles in the arm are well-known anatomical variants which have been hypothesized as sources of neurovascular compression syndromes. We report a rare presentation of neuropathy secondary to an accessory biceps aponeurosis causing compression of the median nerve in the antecubital fossa.

Case description: A 65-year-old man presented with a 5-year history of numbness and pain associated with arm flexion. Electromyography was normal and exam revealed mild weakness in the median nerve distribution; however, magnetic resonance imaging demonstrated an accessory biceps tendon overlaying the median nerve in the antecubital fossa. The patient underwent surgical decompression of the median nerve with detachment of the accessory tendon resulting in clinical improvement.

Conclusion: Anomalous biceps musculature should be considered in the workup and treatment of proximal median neuropathy.

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手术减压伴肘前窝正中神经病变的二头副腱膜:1例报告。

背景:手臂副肌是众所周知的解剖变异，被假设为神经血管压迫综合征的来源。我们报告一个罕见的神经病变继发于副二头肌腱膜，导致肘前窝正中神经受压。病例描述:65岁男性，5年伴有手臂屈曲的麻木和疼痛病史。肌电图正常，检查显示正中神经分布轻度无力;然而，磁共振成像显示副二头肌肌腱覆盖在肘前窝的正中神经。患者行正中神经手术减压伴副腱脱离，临床改善。结论:在近端正中神经病变的检查和治疗中应考虑肱二头肌异常。

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