Current concepts and evidence-based treatment of the osteochondral lesions of the ankle -- MRI in the evaluation of osteochondral lesions -- Evolution of surgical treatment of cartilaginous lesions -- Arthroscopic debridement of osteochondral lesions of the talus -- Mosaicplasty of osteochondral lesions of the ankle -- The conservative treatment in Talar OCD: injections of PRP -- Management of the cystic osteochondral lesions -- Osteochondral ankle injuries in footballers -- Treatment of osteochondral defects of the talus in children -- Rehabilitation and return-to-sports activity after debridement and bone marrow stimulation of osteochondral talar defects.