X-ray

Left shoulder

Frontal
Modality: X-ray (Frontal)

- “ Typical appearance of ankylosing spondylitis related humeral head enthesitis with an excellent example of the radiographic hatchet sign. ”

Used in the following articles:

  • Hatchet sign (ankylosing spondylitis) - “ Hatchet sign refers to the limited erosion of the lateral aspect of humeral head that produces a hatchet shaped deformity. This finding is typical...”
  • Hill-Sachs lesion - “ Hill-Sachs lesions are a posterolateral humeral head compression fracture, typically secondary to recurrent anterior shoulder dislocations, as the...”

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