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Arthroscopic Treatment of Osteochondral Lesions of the Talus
Osteochondral lesions of the talus (OLTs) are a common source of ankle pain and instability. They are defined as a defect in the articular hyaline cartilage, predominantly within the weight-bearing area of the talar dome, and with involvement of the underlying bone. Although trauma is implicated in many cases, it does not account for the etiology of every lesion. The etiology of OLTs has been debated since 1888, when König first described “osteochondritis dissecans” of the knee, which he suggested was the result of spontaneous necrosis.