Posterior shoulder dislocation

Case contributed by Dr Craig Hacking



Patient Data

Age: 39
Gender: Female
Modality: X-ray

The appearance is suggestive of a posterior glenohumeral dislocation with a lightbulb sign on the frontal projection.

The acromioclavicular joint is well aligned and no fracture is evident.

Case Discussion

Posterior shoulder dislocation is far less common that anterior dislocation and classically seen in patients post electrocution or seizures.

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Case Information

rID: 35746
Case created: 21st Apr 2015
Last edited: 3rd Sep 2015
Inclusion in quiz mode: Included

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