X-ray
AP
Modality: X-ray (AP)

- “ Posterior dislocations are rare and occur in 2 to 4% of shoulder dislocations; the humeral head is displaced posteriorly due to axial loading of t...”

Used in the following articles:

  • 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...”
  • Posterior shoulder dislocation - “ Posterior shoulder dislocations are far less common than anterior shoulder dislocations and can be tricky to identify if only AP projections are o...”
  • Upper limb radiography - “ Upper limb radiography is the radiological investigation of the shoulder girdle, humerus, ulna, radius, carpals and metacarpals of the hand. It is...”
  • Shoulder (AP view) - “ The shoulder AP view is a standard projection that makes up the two view shoulder series. The projection demonstrates the shoulder in its natural ...”

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