Avascular necrosis

Etiology

Risk factors

  • Corticosteroid use
  • Trauma
  • SLE
  • Pancreatitis
  • Alcoholism
  • Gout
  • Sickle cell disease
  • Infiltrative disease, e.g., Gaucher disease

DDx

  • Osteoarthritis or rheumatoid arthritis
  • Fracture
  • Joint pain due to other causes

See related DDx

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Last updated: December 1, 2014