Avascular necrosis

external

• Synonyms

  • AVN

• Causes

  • Intracapsular fracture neck of femur
  • Perthe disease
  • Scaphoid fracture
  • Corticosteroid
  • Bisphosphonate
  • Sickle cell crisis
  • Caisson disease
  • Arterial embolus
  • Primary vasculitis
  • Systemic lupus erythematosus
  • Antiphospholipid syndrome

• Effects

  • Non-union

• Parents

  • Orthopaedic pathology
  • Bone infarct