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Perthes disease

Morbus Legg–Calvé–Perthes · Perthesova nemoc

What it is

In children aged 4–10, the ball of the hip loses its blood supply, softens and reshapes; most heal well, especially the young.

Symptoms & signs

  • Limp
  • pain in the hip, groin, thigh or knee
  • stiff hip with reduced rotation
  • shorter leg

🚩 Get help if…

  • call 112 / 911 now Child with a hot, painful hip and fever who won't bear weight
  • see a doctor soon Limp in a child that lasts over a week
  • see a doctor soon Hip, thigh or knee pain in a child aged 4–10
  • see a doctor soon Hip that gets stiffer or the leg that looks shorter

Where it strikes

Medical treatment

  • X-ray and MRI
  • observation and changed activities
  • physiotherapy for movement
  • bracing or osteotomy to keep the ball in the socket

Natural & lifestyle

  • Swimming and cycling instead of running and jumping
  • keep the hip moving

Emerging & experimental

  • Bisphosphonates
  • stem-cell injections

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Hydrotherapy — keeps the hip moving; small studies early / small studies
  • Herbal bone remedies — anecdotal anecdotal / traditional
  • Vitamin D sufficiency — plausible; untested anecdotal / traditional

ICD codes