Selective Fascicular Involvement of the Median Nerve Trunk Causing Pseudo-Anterior Interosseous Nerve Syndrome: Ultrasound and MR Imaging Features

被引：3

作者：

Jung, Yoon Young ^{[1
]}

Choi, Yun Sun ^{[1
]}

Lee, Chang-Hun ^{[2
]}

Kwon, Ohyun ^{[3
]}

Kim, Minchul ^{[1
]}

机构：

[1] Eulji Univ, Nowon Eulji Med Ctr, Dept Radiol, 68 Hangeulbiseok Ro, Seoul 01830, South Korea

[2] Eulji Univ, Nowon Eulji Med Ctr, Dept Orthoped Surg, Seoul, South Korea

[3] Eulji Univ, Nowon Eulji Med Ctr, Dept Neurol, Seoul, South Korea

来源：

YONSEI MEDICAL JOURNAL | 2020年 / 61卷 / 06期

关键词：

Anterior interosseous nerve syndrome; median nerve; hourglass-like constriction; fascicular torsion; ultrasonography; magnetic resonance imaging; NEURALGIC AMYOTROPHY; PERIPHERAL-NERVE; CONSTRICTION; TORSION;

D O I：

10.3349/ymj.2020.61.6.547

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Fascicular involvement of the median nerve trunk in the upper arm is uncommon in cases of peripheral neuropathy, and its symptoms are consistent with those of anterior interosseous nerve (AIN) syndrome. We report three cases of focal anterior interosseous fascicular involvement in the median nerve trunk presenting as AIN palsy. Our report emphasizes the unique ultrasonographic and magnetic resonance imaging (MRI) features of swelling, hourglass-like constriction and torsion, and entwinement of the nerve fascicle of the dorsal region of the median nerve, which were confirmed surgically. On MRI, all patients showed denervation changes in the MN territory, as well as in the median nerve territory, without compressing structures.

引用

页码：547 / 552

页数：6

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