Some patients may develop avascular necrosis on both sides of the body. Typically, the only symptom is joint pain, and this ...

Primary total hip and total knee replacements are among the most common and successful orthopedic procedures worldwide. These ...

That pain is the result of osteonecrosis-- also known as avascular necrosis (AVN). It's the same condition that disrupted the career of baseball and football star Bo Jackson. Osteonecrosis ...