Avascular necrosis causes (mnemonic)

Last revised by Dr Muhammad Asadullah Munir on 10 Jul 2020

Mnemonics for the causes of avascular necrosis (AVN) or more correctly osteonecrosis:

  • STARS
  • PLASTIC RAGS
  • ASEPTIC

Mnemonics

STARS

Most common causes:

PLASTIC RAGS
ASEPTIC

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