Diagnostic accuracy of ultrasonography compared with nerve conduction studies in carpal tunnel syndrome

Introduction Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper extremity. Ultrasonography (USG) enables measurement of the median nerve cross-sectional area (CSA) and quantitative assessment of hand muscles. This study aimed to evaluate the diagnostic accuracy of USG findings compared with electrophysiological studies in CTS. Methods In this prospective cross-sectional study, we included 136 wrists from 76 patients presenting to the Neurology Department of Ondoku