“…To date, various surgical procedures have been performed, including bone fragment fixation, such as the pull-out method, peg graft, and closed wedge of the lateral condyle of the humerus, for which excellent outcomes have been reported. 4,11,12,17,19,30,31,33,35 In particular, recent mosaicplasty of the knee has been useful in enabling reconstruction of the articular surface through the continuity of the hyaline cartilage and the subchondral bone. 1,7,8,26,34 However, results indicate that despite cartilage implant, it is mainly cancellous bone that causes serious limitations, and because insertion of the lateral wall is surgically difficult in patients with extensive loss, the defective portion may not be completely covered and may result in poor outcomes.…”