AVASCULAR NECROSIS
The death of bone tissue due to a lack of blood supply.
Avascular necrosis is associated with long-term steroid use and drinking too much alcohol. It's most common in people between the ages of 30 and 60 and often affects the hip.
Early stages may be symptom-free. Eventually, the affected joint may hurt when weight is put on it or when lying down.
Treatment includes physiotherapy, surgery and medication.
