Perthes disease

Case contributed by Dr Andrew Kirby

Presentation

Limp for 6 weeks, not improving

Patient Data

Gender: Male

Left proximal femoral epiphysis avascular necrosis

X-ray

Left proximal femoral epiphysis is irregular with loss of volume compared to the normal right side. The diagnosis is avascular necrosis and is idiopathic in this case: Perthes.

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