[Retrograde osteochondral grafting for osteochondral lesion of the talus: a new technique eliminating malleolar osteotomy].

Osteochondral grafting is one of the most effective treatment options for osteochondral lesions of the talus. However, the necessity for a medial malleolar osteotomy is the major drawback of the technique. This report presents a case treated with retrograde osteochondral grafting that eliminated the need for a medial malleolar osteotomy. An osteochondral lesion of the medial talus was detected in a 49-year-old woman. Under arthroscopic guidance, the talus was entered from the sinus tarsi region to establish a tunnel extending to the lesion. An osteochondral graft taken from the ipsilateral knee was inserted into the distal end of the tunnel and was advanced to the joint surface. Postoperative computed tomography scans showed that the graft completely filled the tunnel and provided congruency with the articular surface. Details of this technique are described.