Ultrasonography.  2023 Jul;42(3):376-387. 10.14366/usg.22186.

Nerve entrapment syndromes: detection by ultrasound

Affiliations
  • 1Radiology Department, Medical University Innsbruck, Innsbruck, Austria
  • 2Department for Orthopedics and Traumatology, Medical University Innsbruck, Innsbruck, Austria
  • 3Independent MSK Radiology Practice, Heraklion, Greece
  • 4Department of Medical Imaging, Banner University Medical Center, The University of Arizona, College of Medicine, Tucson, AZ, USA

Abstract

Nerve entrapment syndromes are commonly encountered in clinical practice. Accurate diagnosis and management require a knowledge of peripheral neuroanatomy and the recognition of key clinical symptoms and findings. Nerve entrapment syndromes are frequently associated with structural abnormalities of the affected nerve. Therefore, imaging allows the evaluation of the cause, severity, and etiology of the entrapment. High-resolution ultrasonography can depict early and chronic morphological changes within the entire nerve course and is therefore an ideal modality for diagnosing various nerve entrapment syndromes in different regions. This review article presents some of the most common types of nerve entrapment, with special focus on ultrasound imaging and key findings.

Keyword

Entrapment neuropathy; Median nerve; Carpal tunnel syndrome; Ultrasonography; Ulnar nerve
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