Imaging of shoulder instability

Massimo De Filippo, Silvia Schirò, Dani Sarohia, Antonio Barile, Luca Saba, Simone Cella, Alessandro Castagna

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations


The shoulder enjoys the widest range of motion of all the joints in the human body, therefore requires a delicate balance between stability and motility. The glenohumeral joint is inclined to fall into two main instability categories: macro and micro. Macroinstability can be traumatic or atraumatic, with anterior or posterior dislocation of the humeral head. Microinstability falls within the broader section of acquired instability in overstressed shoulder caused by repeated joint stress. Anterior traumatic instability is the most frequent entity and a relatively common injury in young and athletic population. While shoulder instability is a clinical diagnosis, imaging impacts the patient management by detailing the extent of injury, such as capsulo-labral-ligamentous tears, fracture, and/or dislocation, describing the predisposing anatomic conditions and guide the therapetic choice. The aim of this comprehensive review is to cover the imaging findings of shoulder instability by different imaging techniques.

Original languageEnglish (US)
JournalSkeletal Radiology
StateAccepted/In press - Jan 1 2020


  • Computed tomography arthrography
  • Magnetic resonance arthrography
  • Shoulder anatomic variant
  • Shoulder instability

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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