Osteochondritis dissecans of the knee is identified with increasing frequency in the young adult patient. Left untreated, osteochondritis dissecans can lead to the development of osteoarthritis at an early age, resulting in progressive pain and disability. Treatment of osteochondritis dissecans may include nonoperative or operative intervention. Surgical treatment is indicated mainly by lesion stability, physeal closure, and clinical symptoms. Reestablishing the joint surface, maximizing the osteochondral biologic environment, achieving rigid fixation, and ensuring early motion are paramount to fragment preservation. In cases where the fragment is not amenable to preservation, the treatment may include complex reconstruction procedures, such as marrow stimulation, osteochondral autograft, fresh osteochondral allograft, and autologous chondrocyte implantation. Treatment goals include pain relief, restoration of function, and the prevention of secondary osteoarthritis.
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