From the case: Lightbulb sign

System: Musculoskeletal
Section: Signs
Tag: refs
Modality: Photo (photo)

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

Used in the following article:

  • Lightbulb sign (shoulder dislocation) - “ The lightbulb sign refers to the abnormal AP radiograph appearance of the humeral head in posterior shoulder dislocation. When the humerus disloc...”

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