The lateral thigh free flap is a fasciocutaneous flap based on the cutaneous perforators of the deep femoral vessels. Although originally described in 1983, It has had very few reports in the literature. This article describes the flap and reports our findings and outcomes in nine cadavers (18 thighs) and 33 clinical cases. The position of the vascular pedicle may vary in each case but has always been found to be present. Successful transfer occurred in 30 of 33 cases. Flap loss was attributable to infection, fistula, and hematoma in three of four cases. The flap was especially useful in large defects, most commonly total and base-of-tongue defects. We have found this flap to be reliable and to result in minimal morbidity.
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