钝性创伤后单纯前臂内侧皮神经损伤 1 例报告
Isolated medial antebrachial cutaneous nerve injury after blunt trauma: a case report.
机构信息
Student Research Committee, Department of Physical Medicine and Rehabilitation, Shiraz University of Medical Sciences, Shiraz, Iran.
Department of Physical Medicine and Rehabilitation, Shiraz Geriatric Research Center, Shahid Faghihi Hospital, Shiraz University of Medical Sciences, Karimkhan Zand Street, Shiraz, 71348-44119, Iran.
出版信息
J Med Case Rep. 2023 Mar 13;17(1):91. doi: 10.1186/s13256-023-03797-1.
BACKGROUND
The medial antebrachial cutaneous nerve is a branch of the brachial plexus that contains C8-T1 segments. Injury of this nerve by various mechanisms has been reported in the literature; however, currently, there is no reported case of medial antebrachial cutaneous nerve injury in the setting of acute blunt trauma.
CASE PRESENTATION
This case report presents the case of a 34-year-old Persian female with dysesthesia and pain in the medial side of the forearm immediately following a blunt trauma by mechanism of elbow external rotation. On electrodiagnostic evaluation, the medial antebrachial cutaneous nerve sensory nerve action potential of the symptomatic side had a significant amplitude drop (more than 50%), compared with the other side. On follow-up electrodiagnosis, after several sessions of physical therapy, the medial antebrachial cutaneous nerve sensory nerve action potential still had a significant amplitude difference.
CONCLUSION
Blunt trauma can be one of the causes of medial antebrachial cutaneous nerve involvement. An electrodiagnostic study can be helpful in the diagnosis of this nerve injury after blunt trauma.
背景
正中前臂皮神经是臂丛的一个分支，包含 C8-T1 节段。文献中有多种机制导致该神经损伤的报道；然而，目前尚无急性钝性创伤情况下正中前臂皮神经损伤的报道。
病例介绍
本病例报告介绍了一位 34 岁的波斯女性，在肘部外旋机制的钝性创伤后立即出现前臂内侧感觉异常和疼痛。在电诊断评估中，症状侧正中前臂皮神经感觉神经动作电位的振幅明显下降（超过 50%），与对侧相比。在后续的电诊断中，经过几次物理治疗后，正中前臂皮神经感觉神经动作电位仍存在明显的振幅差异。
结论
钝性创伤可能是正中前臂皮神经受累的原因之一。电诊断研究有助于诊断钝性创伤后的这种神经损伤。
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