Ultrasonography in severe carpal tunnel syndrome

Muscle & Nerve
Kristel M KasiusJan Meulstee

Abstract

In up to 30% of patients with carpal tunnel syndrome (CTS), the cross-sectional area (CSA) of the median nerve may not be enlarged. We hypothesize that this could be the result of secondary atrophy of the nerve in severe CTS. The aim of this study was to measure the ultrasonographic CSA of the median nerve at the wrist in patients with severe CTS. In 14 consecutive patients with clinically and electrophysiologically defined severe CTS, the CSA of the median nerve was measured and compared with that of control subjects. CSA of the median nerve exceeded the upper limit of normal in the majority of patients with severe CTS. Atrophy of the median nerve in severe CTS does not explain negative ultrasonographic test results. Instead, the CSA of the median nerve is enlarged in most patients with severe CTS.

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Citations

Jan 26, 2016·PM & R : the Journal of Injury, Function, and Rehabilitation·Gary GoldbergJason D Tucker
Aug 19, 2014·Muscle & Nerve·Jasem Y Al-HashelRossen T Rousseff
Jul 26, 2016·Annals of Rehabilitation Medicine·Hye Young HanDae-Hyun Jang
Mar 5, 2017·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Hyun Im MoonSung-Bom Pyun
Mar 7, 2014·Muscle & Nerve·Kristel M KasiusWim Im Verhagen
Apr 26, 2016·Journal of Occupational Health·Tomasz WolnyAndrzej Myśliwiec
Apr 30, 2019·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Vasudeva Iyer
Jul 22, 2018·Hand : Official Journal of the American Association for Hand Surgery·Gideon NkrumahJohn R Fowler
May 16, 2021·American Journal of Physical Medicine & Rehabilitation·Shawn P JorgensenJohn Norbury

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