Arch Hand Microsurg 2019; 24(2): 183-188  
Revisiting the Cross-Leg Flap: A Degraded or Still Useful Method?
Ha Hyun Yu, Youngwoong Choi
Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea
Correspondence to: Youngwoong Choi
Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine, 1342 Dongil-ro, Nowon-gu, Seoul 01757, Korea
TEL: +82-2-950-1048, FAX: +82-2-932-6373, E-mail: pshero2@naver.com
Received: December 18, 2018; Revised: February 18, 2019; Accepted: February 27, 2019; Published online: June 1, 2019.
© Korean Society for Surgery of the Hand, Korean Society for Microsurgery, and Korean Society for Surgery of the Peripheral Nerve. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Since the development of microsurgery, the cross-leg flap has not been a preferred method of lower extremity reconstruction. However, it is being used in several centers and has shown favorable results. This report presents our experience in treating lower extremity injuries using the cross-leg flap. We studied three patients with lower extremity defect who underwent cross-leg flap surgery. As there was no proper perforator for local flap or recipient vessel for free flap in the ipsilateral leg, two underwent the posterior tibial artery island cross-leg flap and one had the latissimus dorsi free flap, wherein the recipient vessels comprised the contralateral posterior tibial vessels. All procedures were successful without any severe complications. We recommend that cross-leg flaps be considered not only in cases of multiple vessel injuries or when no other options are available but also in cases of broad trauma or where scar tissue is present around the defect.
Keywords: Lower limb, Injuries, Reconstructive surgery, Wounds, Surgical flaps


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