What are the causes of avascular necrosis (AVN) of the femoral head?

Causes of avascular necrosis (AVN) of the femoral head

  • Congenital dislocation of the hip
  • Perthes' disease
  • Trauma (subcapital fractures of the femur)
  • Steroid therapy
  • SLE
  • Sickle cell anaemia
  • Diabetes mellitus
  • Alcohol abuse
  • Gaucher's disease
  • HIV inflection
  • Caisson's disease 
avascular necrosis (AVN) of the femoral head


Source:

  • Rapid review of clinical medicine for MRCP part 2, 2nd Edition, by Sanjay Sharma and Rashmi Kaushal; Q-357
  • Kumar and Clark's clinical medicine, 9th Edition; page 659
  • Davidson's Principles and Practice of Medicine; 23rd Edition; page 1055

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