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Related Experiment Video

Updated: Jul 15, 2026

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
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Preoperative Ultrasound Correctly Localized Peripheral Nerve Abnormalities for Operative Guidance: A Retrospective

Noah Cha1, Esther Zusstone2, Lydia Ko1

  • 1Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, USA.

HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery
|February 3, 2025
PubMed
Summary

Ultrasound-guided skin marking accurately locates peripheral nerve abnormalities, matching operative findings. This technique aids in precise surgical planning for nerve conditions.

Keywords:
image-guided skin markingnerve injurynerve repairperipheral neuropathyultrasound

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Area of Science:

  • Medical Imaging
  • Surgical Navigation
  • Neurology

Background:

  • Accurate localization of nerve abnormalities is crucial for effective intervention.
  • Ultrasound (US) is recognized for its diagnostic accuracy in peripheral neuropathy and preoperative nerve localization.

Purpose of the Study:

  • To evaluate the effectiveness of US-guided preoperative skin marking for localizing peripheral nerve abnormalities.
  • To compare US findings with electrodiagnostic (EDx) reports.

Main Methods:

  • Retrospective review of US examinations for preoperative nerve localization (July 2016 - March 2023).
  • Data collected included US characterization, surgical descriptions, and EDx reports.
  • Analysis of 67 nerves in 55 patients undergoing surgery after US-guided localization and skin marking.

Main Results:

  • US diagnoses included neuroma, transection, scarring, hardware impingement, and fascicular constriction.
  • US findings demonstrated 100% accuracy, confirmed by operative notes.
  • US-guided skin marking precisely correlated with intraoperative nerve site documentation in all cases.

Conclusions:

  • US-guided preoperative skin marking effectively and accurately localizes peripheral nerve abnormalities.
  • US diagnoses were validated by intraoperative findings, supporting its efficacy in mapping peripheral nerves.