Osteochondritis Dissecans

This page discusses osteochondritis of the knee. For osteochondritis of the ankle, please see Osteochondral Lesion of the Talus.

Osteochondritis dissecans of the knee is a painful condition that affects the cartilage and underlying bone in the knee joint. Thought to be caused by repeated small stress injuries, patients can experience pain and disability, but usually make a complete recovery with rest and modified activity.