The indication for surgery in most children with posttraumatic cubitus varus is the presence of an unsightly deformity. The function of the limb is generally not impaired. Lateral closing-wedge supracondylar osteotomy, although a widely used corrective procedure, tends to produce lateral condylar prominence, thus jeopardizing the cosmetic outcome. The authors used the dome supracondylar osteotomy, as described by Tien et al, as the corrective procedure for cubitus varus in 12 consecutive children. The average follow-up was 2.3 (range 1-4) years. The objective evaluation was done by one of the authors by measuring the pre- and postoperative lateral condylar prominence index, carrying angle, and the range of movement at the elbow. The patients and parents were also asked to self-assess the cosmetic outcome. There were seven excellent and five good results. None of the children showed a prominent lateral humeral condyle. Hypertrophic scar formation and ulnar neurapraxia were seen in one patient each. These results were comparable to the published results of lateral closing-wedge osteotomy in terms of correction of carrying angle and preservation of elbow motion and were superior to those of the lateral closing-wedge osteotomy in terms of the prominence of lateral humeral condyle, acceptability of the scar, and cosmesis. The authors offer independent verification of the observation that the technique of dome osteotomy as described by Tien et al for the correction of the posttraumatic cubitus varus is a simple, safe, and technically sound procedure that prevents the lateral condyle from becoming prominent and yields an excellent cosmetic outcome.

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