Treatment of Mild Ulnar Longitudinal Deficiency with a Z-Shaped Ulna Lengthening Osteotomy: A Report of 2 Cases.

Pediatric patients with symptomatic mild ULD are often mistaken for ulnar negative variance with radioulnar impingement and may be successfully treated using this newly described technique. The ulnar malangulation is corrected at the apex of the deformity, and the clinical and radiographic outcomes have been successful.