Tag: Bone Death


Avascular Necrosis (Osteonecrosis)

What is avascular necrosis? Avascular necrosis is bone death that occurs when the blood supply to the bones is decreased or stopped. Without an adequate blood supply, the bone breaks down and dies and collapses. If the bone affected is near a joint, the joint may also collapse. Although any bone can be affected, avascular […]


What is Avascular Necrosis?

Avascular necrosis (AVN) or osteonecrosis is a disease where the blood flow to the femoral head is damaged. Part of the bone of the femoral head then undergoes necrosis – it dies. When the bone dies, it becomes painful. The pain may be present either with activity or at rest. The joint surface of the femoral […]