Integrative Journal of Bone and Cartilage

Osteonecrosis

Osteonecrosis, also referred to as avascular necrosis (AVN), aseptic necrosis or ischemic bone necrosis, may be a disease leading to the death of bone cells. If the method involves the bones near a joint, it often results in collapse of the joint surface and subsequent arthritis thanks to an irregular joint surface. the precise cause is unknown.

 

Although it can happen in any bone, osteonecrosis most ordinarily affects the ends (epiphysis) of long bones like the femur (thigh bone). Commonly involved bones are the upper femur (ball a part of "> a part of the hip socket) the lower femur (a part of the knee joint), the upper humerus (upper long bone involving the shoulder joint), and therefore the bones of ankle . The disease may affect only one bone, quite one bone at an equivalent time, or quite one bone at different times. Orthopedic surgeons most frequently diagnose the disease using either an X-ray of resonance scan (MRI).

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