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Aseptic Necrosis
(Avascular Necrosis or Osteonecrosis)

Medical Author: William C. Shiel Jr., MD, FACP, FACR

What is aseptic necrosis?

Aseptic necrosis is a bone condition that results from poor blood supply to an area of bone causing bone death. This is a serious condition because the dead areas of bone do not function normally, are weakened, and can collapse. Aseptic necrosis is also referred to as avascular necrosis or osteonecrosis.




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