Abstract
Pericranial flap is a composite flap involving the periosteum of the skull with its overlying loose areolar tissue termed subgaleal fascia. The multiple blood supply of the pericranial tissue enables this versatility, with a rich, anastomosing arterial supply from the supraorbital, supratrochlear, superficial temporal, posterior auricular, and occipital vessels. Thus, the shape, size, and location of the pericranial flap could be altered as long as a sufficient pedicle width could be fashioned to maintain a blood supply. In our study, we have performed wide bipedicled pericranial flap in scalp reconstruction in 2 cases. After tumor excision was completed, a pericranial flap was planned on the caudal side of the defect. A bipedicle-based pericranial flap was outlined with the use of a sharp dissection; this flap was elevated in a submusculoaponeurotic plane. The bipedicled pericranial flap, whose arterial supply was from the superficial and posterior auricular arteries, was transposed to the frontal defect.We preferred a bipedicled flap, whose arterial supply is from the superficial temporal and posterior auricular arteries to augment vascular supply. If a large, long pericranial flap is required, making the flap pedicled ensures stable blood supply.
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