Bennett lesion of the shoulder

A Bennett lesion is mineralization of the posterior band of the inferior glenohumeral ligament as a result of extra-articular posterior capsular avulsion injury. 

It should not to be confused with Bennett fracture dislocation of the thumb.

Radiographic features

It is best seen on CT or axillary view x-ray of the shoulder as a curvi-linear extra-articular calcification along the posteroinferior rim of the osseous glenoid.

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Article Information

rID: 985
Synonyms or Alternate Spellings:
  • Bennett lesion
  • Bennett lesions
  • Bennett lesion of the shoulders
  • Bennett lesions of the shoulder
  • Bennett lesion of shoulder

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