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Osteochondral Graft Reconstruction for Osteochondritis Dissecans of the Capitellum
Osteochondritis dissecans (OCD) of the elbow is thought to be caused by repetitive microtrauma to the vulnerable chondroepiphysis of the capitellum, resulting in subchondral bone necrosis, articular cartilage failure, and, ultimately, loose-body formation. OCD is most commonly seen in early adolescent patients and typically manifests as lateral elbow pain, loss of elbow motion, and mechanical symptoms of locking and catching. Numerous classification schemes have been proposed for OCD, and they all categorize these lesions as either stable or unstable. In addition, OCD lesions may be categorized as contained or uncontained based on the presence or absence of intact surrounding articular cartilage and preservation of the bony lateral column of the distal humerus.