article_snippet.sent: Avascular necrosis is bone death due to poor blood supply.
article_snippet.sent: The flow of blood to a section of bone can be interrupted if bone is fractured or the joint becomes dislocated.
article_snippet.sent: a rare condition can lead to the eventual collapse of bone.
article_snippet.sent: a rare condition is most common in people between the ages of 30 and 60, though most suffer from a rare condition in the hip and shoulder.
article_snippet.sent: a rare condition has caused her weight-bearing shin bone to die from lack of oxygen.
article_snippet.sent: Doctors have been baffled by the condition, which has never been seen before on a leg bone and usually affects joints.
article_snippet.sent: A scan of Bluck's shin bone, which has left doctors baffled by the rare condition .
highlights_snippet.sent: The 18-year-old was diagnosed with avascular necrosis in Hannah Bluck distal tibia .
  