Role of sonography in the evaluation of unstable os acromiale

Jay Smith, Diane L. Dahm, Karen L. Newcomer-Aney

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Os acromiale is a relatively common anatomic variation in which the acromial apophysis fails to completely fuse with the scapula.1-4 Although typically regarded as an incidental finding, os acromiale may produce symptoms arising from the hypermobile nonunion site itself or as a result of downward impingement on the underlying rotator cuff.1,5,6 Identifying symptomatic os acromiale can be clinically challenging when a patient has shoulder pain, resulting in delayed diagnosis.5,7,8 This report highlights the use of sonography to identify symptomatic unstable os acromiale in an 18-year-old multisport athlete with refractory posttraumatic shoulder pain.

Original languageEnglish (US)
Pages (from-to)1521-1526
Number of pages6
JournalJournal of Ultrasound in Medicine
Issue number10
StatePublished - Oct 1 2008

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging


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