The Reversed Fasciosubcutaneous Flap in the Leg

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Abstract
A reversed fasciosubcutaneous tissue flap in the leg is described. This distally based flap is vascularized by the perforating cutaneous branches of the peroneal and tibialis posterior arteries. It must carry all its subcutaneous tissue. A study on the vascularization of the subcutaneous tissue reveals the predominance of the vascular network in this layer with regard to the dermal or fascial plane. The dermal vascular network at the donor site is sufficient to let the skin survive without its underlying subcutaneous vascular support. The flap can reach the malleolar and heel region. The advantages of this technique are (1) easy dissection, (2) preservation of the major vascular pedicles of the lower limb, (3) skin preservation at the donor site, thus preserving the shape of the limb, and (4) versatility (it is supple and can adapt to every surface, and it can be grafted on the deep or the superficial side). The addition of this technique to the armamentarium of the reconstructive surgeon has proved to be very useful in repairing soft-tissue defects in the lower limb. Often it can replace the classical fasciocutaneous flap or even a free flap.

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