Osteochondritis dissecans (OCD) is a musculoskeletal problem occurring primarily in the maturing skeleton. Early descriptions of the problem came from the surgeons who opened the knee joint looking for the cause of catching and locking symptoms.
Osteochondritis Dissecans (OCD) is an acquired potentially reversible lesion of the subchondral bone which also affects the overlying cartilage. The causes of OCD are unknown. If OCD progresses, it can lead to articular cartilage instability.