What causes avascular necrosis?
Bones are living tissues, which are fed by blood vessels. Bone that is avascular (without blood) for long cannot survive, becomes brittle and eventually collapses, causing severe arthritis and dysfunction in the affected joint.
Author: Chay Goebel
First answered: 17 Jul 2015
Last reviewed: 19 May 2018
Rating: 4.2/5 Votes: 643