Avascular necrosis of the femoral head on X‑ray: 5 real cases

Real, openly licensed radiographs showing avascular necrosis of the femoral head. Study what to look for, then open each case and read it yourself before revealing the answer.

What to look for

  • Crescent sign, sclerosis, collapse.

Learn: Hip fracture

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Cases

Other bone & joint disease diagnoses

Diagnoses come from each image's documented source. Credits and licences are shown on each case and on the image credits page.