Step Cut.gifUlnar shortening osteotomy is a widely accepted procedure for surgical treatment of ulnar impaction syndrome, but many techniques require special instrumentation to achieve accurate shortening, adequate fixation, and sufficient rotational control. In the November 2, 2016 issue of The Journal of Bone & Joint Surgery, Papatheodorou et al. report on outcomes in 164 patients who underwent so-called “step-cut” osteotomies for positive ulnar variances that ranged from +1 to +6 mm.

The technique itself, which utilizes a standard neutralization plate and lag screw for fixation, is summarized and illustrated in the article. The authors emphasize that the step-cut approach does not require special jigs or instrumentation.

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