The authors have combined locking intramedullary nailing (SIGN) with modified external fixater on 34 patients in which bilateral leg lengthening were made to improve their height, from October 2011 to February 2014; who were 18-35 years old. Medical records included average limb lengthening, mean duration of external fixation, mean consolidation index, functional results, cosmetic results, psychological results, and complications. Average limb lengthening was 6.32 +/- 1.41 em (range, 3.3-8.5cm). The mean duration of external fixation was 17,01 +/- 2,66 days/em, and the mean consolidation index was 48,44 +/- 8,26 days/em. All distracted segments healed spontaneously without refracture or malalignment exception of 1 patient who had bone graft; 6 patiens chad pin-site infections and 28 patiens had equinus contracture. Osteomyelitis was not encountered in the series. Bilateral leg-lengthening using a SIGN nail and modified external fixater in combination was found to be reliable and effective and reduced external fixation time with few complications.
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