Diagnosis of carpal tunnel syndrome assessed using high-frequency ultrasonography: cross-section areas of 8-site median nerve

Clinical Rheumatology
Guangxiang YuZhe Wang

Abstract

This study aimed to determine the most suitable site for diagnosis of carpal tunnel syndrome (CTS) by examining an 8-site measurement of the median nerve's cross-sectional area (CSA). A total of 36 wrists of 26 patients with nerve conduction study (NCS) proven CTS, along with 34 wrists of 23 controls whose age and gender were matched with the patients, were evaluated with ultrasonography. The CSAs of the median nerve at eight predetermined sites including at the sites of 3, 2, and 1 cm proximal to the wrist crease, wrist crease, as well as at the sites of 1, 2, 3. and 4 cm distal to the wrist crease were obtained. The correlation between CSA and NCS severity, and duration of clinical CTS symptoms was analyzed. Receiver operating characteristic (ROC) curves was applied to determine the optimum cut-off point and to evaluate the diagnostic sensitivity and specificity of sonographic measurements. The CSAs of the median nerves at the eight sites were significantly higher in the CTS subjects, relative to the controls. Moreover, anatomical variation of the median nerve was found in the CTS group. ROC results indicated the areas under curve (AUC) at the site of 4 cm distal to the wrist crease were the largest with 0.874 cm(2), and an o...Continue Reading

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Citations

Mar 18, 2017·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Hala R El HabashyAya S Ahmed
Sep 21, 2017·Hand : Official Journal of the American Association for Hand Surgery·Jared A CrastoJohn R Fowler
Jun 13, 2018·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Sehnaz TezcanOya Umit Yemisci
Sep 28, 2017·Archives of Physical Medicine and Rehabilitation·Ana Torres-CostosoIván Cavero-Redondo
Jun 4, 2021·Hand : Official Journal of the American Association for Hand Surgery·Toshiyuki OkuraEtsuo Chosa

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