Nerve Entrapment Syndromes at the Wrist and Elbow by Sonography

Andrea S. Klauser, Tommaso Buzzegoli, Mihra S. Taljanovic, Sylvia Strobl, Stefan Rauch, James Teh, Julia Wanschitz, Wolfgang Löscher, Carlo Martinoli

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


Nerve entrapment syndromes of the upper extremity are associated with structural abnormalities or by an intrinsic abnormality of the nerve. Nerve entrapment syndromes generally have a typical clinical presentation, and findings on physical examination and in conjunction with electrodiagnostic studies imaging is used to evaluate the cause, severity, and etiology of the entrapment. With the development of high-frequency linear array transducers (12-24 MHz), ultrasound (US) is incomparable in terms of spatial resolution to depict morphological aspects and changes in nerves. US can identify the abnormalities causing entrapment, such as fibrous bands, ganglia, anomalous muscles, and osseous deformities, with the advantage of dynamic assessment under active and passive examination. US is a unique diagnostic modality that allows superb visualization of both large and small peripheral terminal nerve branches of the upper extremity and enables the correct diagnosis of various nerve entrapment syndromes.

Original languageEnglish (US)
Pages (from-to)344-353
Number of pages10
JournalSeminars in Musculoskeletal Radiology
Issue number3
StatePublished - Jul 1 2018


  • median nerve
  • nerve entrapment
  • radial nerve
  • sonography
  • ulnar nerve

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Radiology Nuclear Medicine and imaging


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