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Update in shoulder magnetic resonance imaging

D S Uri1, J B Kneeland, M K Dalinka

  • 1Department of Radiology, University of Pennsylvania Medical Center, Philadelphia, USA.

Magnetic Resonance Quarterly
|March 1, 1995
PubMed
Summary

Magnetic resonance (MR) imaging advances shoulder pain diagnosis by improving characterization of rotator cuff disease and glenohumeral instability. Post-surgical MR evaluation presents challenges due to artifacts.

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Area of Science:

  • Orthopedics
  • Radiology
  • Sports Medicine

Background:

  • The shoulder's extensive range of motion makes the glenohumeral joint inherently unstable.
  • Support relies on surrounding muscular, ligamentous, and tendonous structures, which are susceptible to disorders causing pain and dysfunction.
  • Advancements in magnetic resonance (MR) imaging enhance the characterization of shoulder abnormalities.

Purpose of the Study:

  • To review the utility of MR imaging in diagnosing shoulder pain and dysfunction.
  • To discuss MR's role in evaluating rotator cuff disease and glenohumeral instability.
  • To highlight challenges in postoperative MR assessment of the shoulder.

Main Methods:

  • Review of current literature on MR imaging techniques for shoulder pathologies.
  • Discussion of MR findings in rotator cuff impingement, tears, and tendinosis.
  • Evaluation of MR arthrography for glenohumeral instability compared to conventional MR.

Main Results:

  • MR imaging allows for improved characterization and earlier diagnosis of shoulder abnormalities.
  • MR is effective in evaluating rotator cuff impingement and tears.
  • MR arthrography shows improved diagnostic performance for instability over conventional MR, though postoperative assessment remains challenging due to artifacts.

Conclusions:

  • Advanced MR techniques are crucial for diagnosing shoulder pain, rotator cuff disease, and instability.
  • MR arthrography enhances the evaluation of glenohumeral instability.
  • Postoperative MR imaging of the shoulder requires careful interpretation due to potential artifacts hindering assessment of recurrent issues.

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