A-to-T flap.

It is a double advancement flap. When primary defect remains triangular-shaped and unilateral replacement seems to be insufficient, surgeon may advence tissue bilaterally. Since their pedicle is wide, isquemia is unplausible. On forehead, due to its inelastic characteristics, it is an excellent reconstructive option for large primary defects. In addition, future scars will be hidden under facial tension lines. Frequently, displacement of Burow's triangles may be necessary.