Ulnar Neuropathy With Normal Electrodiagnosis and Abnormal Nerve Ultrasound

Joon Shik Yoon, Francis O. Walker, Michael S. Cartwright

Research output: Contribution to journalArticlepeer-review

65 Citations (Scopus)


Yoon JS, Walker FO, Cartwright MS. Ulnar neuropathy with normal electrodiagnosis and abnormal nerve ultrasound. Ulnar neuropathy at the elbow (UNE) is the second most common entrapment neuropathy. It is diagnosed with electrodiagnostic studies, but they can yield false-negative results. Ultrasound was used to examine 4 patients with UNE and negative electrodiagnostic findings, and it showed ulnar nerve enlargement near the elbow in all cases, with a mean cross-sectional area of 20.1mm2. This indicates that ultrasound may be a useful tool for assessing those with UNE symptoms and normal electrodiagnostic findings.

Original languageEnglish
Pages (from-to)318-320
Number of pages3
JournalArchives of Physical Medicine and Rehabilitation
Issue number2
Publication statusPublished - 2010 Feb
Externally publishedYes


  • Case report
  • Electromyography
  • Nerve conduction studies
  • Rehabilitation
  • Ulnar neuropathies
  • Ultrasonography

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation


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