Lightbulb sign

Case contributed by Ian Bickle
Diagnosis not applicable

Presentation

Fro illustration purposes.

Photograph
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Info

A traditional incandescent light bulb, with its characteristic cone like shape.

Photograph courtesy of Roger Bickle, Melton Mowbray, UK.

Case Discussion

A posterior shoulder dislocation on the AP radiograph adopts a shape described at appearing like a traditional lightbulb.

 

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