Child health · UKMLA & AKT

Perthes disease

A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise perthes disease — the full SA Note notes add investigations, management, complications and 10 practice questions.

Key high-yield points

  • Idiopathic avascular necrosis (AVN) of the femoral epiphysis in children
  • Age: typically 4-8 years (peak 5-7); boys 4x more than girls
  • Bilateral in ~10-12% of cases (usually at different stages)

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