When blood supply to the area at the end of your bone is cut off, a condition known as osteochondritis dissecans may develop. The affected bone and its covering of cartilage may stay in place and cause no symptoms. Or, a fragment may gradually loosen, separate and cause pain.
The knee is most commonly affected, although osteochondritis dissecans can occur in other joints, including your elbow, hip and ankle.
Most people diagnosed with symptomatic osteochondritis dissecans are older children, teenagers and young adults, particularly those active in sports.
Early diagnosis and treatment of osteochondritis dissecans are important to minimize your risk of long-term disability. If you're treated promptly, your chances of recovery and return to your usual activities, including participation in sports, are good