Avascular necrosis (AVN) is a bone disease occurring when bone does not receive blood. In absence of blood supply bone dies resulting in bone deformity and collapse. It's a common condition seen frequently in young adults in the age group of 20-40 years. Males are more prone to it compared to females with an observed male to female ratio of 5:1. AVN could be due to trauma such as fracture or dislocation of the bone. However, it can also occur due to non-traumatic reasons including excess steroid intake, alcohol abuse, etc.

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