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High-resolution sonography of the superficial radial nerve with two case reports

✍ Scribed by Leo H. Visser

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
183 KB
Volume
39
Category
Article
ISSN
0148-639X

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✦ Synopsis

Abstract

The purpose of this study was to find out whether high‐resolution sonography can be used to examine the superficial radial nerve. The sonographic appearance of the superficial radial nerve was assessed in 20 control subjects and the cross‐sectional area could be measured in all subjects. The mean cross‐sectional area of the superficial radial nerve in the control subjects was 2 mm^2^ (SD 0.5 mm^2^, range 1–3 mm^2^). Moreover, two patients with a superficial radial neuropathy and abnormal high‐resolution sonography are reported. One patient had an enlarged nerve after trauma, which was probably a neuroma. The other patient had a histologically proven Schwannoma of the superficial radial nerve. The superficial radial nerve, although small in size, can be visualized by high‐resolution sonography using specific landmarks. High‐resolution sonography can be useful to assess the underlying cause of superficial radial nerve pathology. Muscle Nerve 39: 392–395, 2009

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