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Related Experiment Video

Updated: Jul 9, 2026

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MR arthrography in glenohumeral instability.

H J Van der Woude1, F M Vanhoenacker

  • 1Dept of Radiology, Onze Lieve Vrouwe Gasthuis Amsterdam, The Netherlands. H.J.vanderWoude@olvg.nl

JBR-BTR : Organe De La Societe Royale Belge De Radiologie (SRBR) = Orgaan Van De Koninklijke Belgische Vereniging Voor Radiologie (KBVR)
|December 19, 2007
PubMed
Summary

Accurate magnetic resonance (MR) imaging, especially MR arthrography, is crucial for diagnosing shoulder instability. Specific MR sequences, including the abduction and external rotation (ABER) view, best detect labral tears and rotator cuff injuries.

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Area of Science:

  • Orthopedics
  • Radiology
  • Sports Medicine

Background:

  • Glenohumeral instability requires precise imaging for effective treatment planning.
  • Surgical strategies, whether arthroscopic or open, depend on accurate diagnostic findings.

Purpose of the Study:

  • To highlight the importance of MR arthrography in evaluating glenohumeral instability.
  • To detail optimal MR imaging techniques for detecting capsular-labrum complex injuries.

Main Methods:

  • Utilizing TI-weighted sequences with fat suppression in multiple planes (axial, oblique sagittal, coronal).
  • Advocating for an additional series in the abduction and external rotation (ABER) position.
  • Analyzing anatomical variants that may mimic labral tears and Bankart lesion variations.

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Main Results:

  • MR arthrography is the optimal technique for detecting, localizing, and characterizing capsular-labrum injuries.
  • The ABER series effectively depicts inferior capsular-labrum abnormalities and undersurface spinatus tendon tears.
  • Understanding anatomical variants is key to accurate interpretation of shoulder MR arthrograms.

Conclusions:

  • Accurate MR imaging, particularly MR arthrography with specific sequences like ABER, is essential for managing glenohumeral instability.
  • This imaging modality guides surgical decision-making by precisely identifying injuries to the capsular-labrum complex and rotator cuff.