Carpal Tunnel Syndrome Diagnosis: A Narrative Review of Complementary Roles of Neuromuscular Ultrasound and Electrodiagnostic Studies

Yumeng Dong; Yunrui Zhuang; Lingmei Li; Yanduo Li; Huiyan Dai

doi:10.12659/MSM.952034

10 April 2026 : Review article

Carpal Tunnel Syndrome Diagnosis: A Narrative Review of Complementary Roles of Neuromuscular Ultrasound and Electrodiagnostic Studies

Yumeng Dong^{AEF 1}, Yunrui Zhuang^{AEF 2*}, Lingmei Li^{BDF 2}, Yanduo Li^{BC 2}, Huiyan Dai^{DF 3}

DOI: 10.12659/MSM.952034

Med Sci Monit 2026; 32:e952034

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Introduction Literature Search Strategy Application of EDX in CTS Diagnosis Application of NMUS in CTS Diagnosis Comparative Utility and Integrated Clinical Decision-Making Integrated Diagnostic Strategies and Future Trends Conclusions References

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Figure 1 (A) Schematic illustration of the EMG operation. (B) EMG results comparing healthy tissue with tissue affected by CTS. The upper panel of (B) shows typical EMG patterns in healthy tissue, characterized by normal nerve conduction with consistent amplitudes and latencies. The lower panel illustrates EMG findings from a CTS patient, highlighting prolonged DML, reduced CMAP amplitude, and abnormal SCV, indicative of median nerve compression in CTS. CMAP – compound motor action potential; CTS – carpal tunnel syndrome; DML – distal motor latency; EMG – electromyography; SCV – sensory conduction velocity.

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Carpal Tunnel Syndrome Diagnosis: A Narrative Review of Complementary Roles of Neuromuscular Ultrasound and Electrodiagnostic Studies

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