The use of pedicled chimeric superficial circumflex iliac artery perforator (SCIP) flap as lymphatic interpositional flap for deep thigh defect reconstruction: A case report

Abstract

The tumors affecting the thigh region are complex to manage, requiring a patient-tailored and multidisciplinary approach. Because of their aggressiveness, soft tissue sarcomas (STS) often grow very quickly and they must be removed before they might cause major impairments. A safe margin excision may lead to large defects that require a surgical reconstruction with either free or pedicled flaps. Another relevant aspect, which is gaining more and more attention in the last few years, regards the lymphatic complications that commonly occur after these procedures. The thigh region anatomically accommodates the major lymphatics responsible for the whole leg drainage, and these vessels are often inevitably compromised during the tumor removal. For this reason, plastic surgeons should take into account not only to the aesthetic and functional result, but they should also try to prevent lymphatic sequelae such as lymphocele and lymphedema. The purpose of this report is to describe the potential of a pedicled SCIP flap, used as a lymphatic interpositional flap, in order to restore the lymphatic drainage of the thigh after a major impairment. A 57-year-old patient presenting a thigh sarcoma received a surgical excision leaving a 35 cm × 25 cm defect affecting the anterior compartment. To fulfill all these concerns, a lymphatic interpositional SCIP flap was performed, in pedicled and chimeric fashion. It allowed to completely bury a large (35 cm × 16 cm) soft tissue island, preserving a smaller (5cm × 4cm) skin paddle to monitor the whole flap survival. Moreover, the lymphatic issue was faced by preserving the lymphatic vessels running into the flap and moving them into the affected area in order to enhance the lymphatic neo-angiogenesis and offering an additional pattern for lymph drainage. Post-operative course was uneventful and at 9months follow up the reconstructive result was successful with no signs of lymphatic sequelae. Therefore, we believe that the SCIP flap might be a promising solution for small-to-moderate size thigh defect reconstructions since it is able to satisfy all the typical requirements of this delicate region.