J sign (shoulder)

The J sign refers to the appearance of the inferior glenohumeral ligament in the presence of a humeral avulsion of the glenohumeral ligament (HAGL lesion). The normal U-shaped inferior glenohumeral recess is retracted away from the humerus, appearing in the shape of "J" in right shoulder, or reversed "J" in left shoulder in coronal oblique views 2.

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Article information

rID: 7516
Section: Signs
Synonyms or Alternate Spellings:
  • J sign of shoulder
  • J-sign of shoulder

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