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OSTEONECROSIS, Causes, Signs and Symptoms, Diagnosis and Treatment.

. Chapters 0:00 Introduction 0:55 Causes of Osteonecrosis 1:48 Symptoms of Osteonecrosis 2:11 Diagnosis of Osteonecrosis 3:06 Treatment of Osteonecrosis Osteonecrosis also called avascular necrosis, or bone infarction is a condition that results from an interruption of blood supply to the bone. • The bone is a living tissue that requires blood, a lack of blood flow to the bone can lead to the death of bone tissue. If not treated, it can eventually cause the bone to collapse. • The condition also causes the bone to lose its smooth shape, leading to severe arthritis. • The most commonly affected joint is the hip bone but other common sites are the knees, shoulder, and ankles. • Estimate has shown that as many as 20,000 people develop the condition annually. • Anyone can be affected, but osteonecrosis is most prevalent in people between the ages of 20 and 50.