Osteonecrosis causes (mnemonic)

Last revised by Arlene Campos on 12 Feb 2025

Mnemonics for the causes of osteonecrosis (previously known as avascular necrosis):

  • STARS

  • PLASTIC RAGS

  • ASEPTIC

Mnemonics

STARS

Most common causes:

PLASTIC RAGS
ASEPTIC
:

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