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We present 3 cases in which a unilateral pericranial flap was used to repair defects in the medial orbital and upper lateral nasal areas. All three patients had undergone previous excision of malignant tumors from the upper septum and ethmoid areas. Postoperatively, they all received radiation and then developed wound breakdown with fistula formation, particularly in the area of the incisional site. All 3 patients had undergone previous unsuccessful repair of the fistula. Closure of such fistulas requires well-vascularized nonradiated tissue, which can be provided by a unilateral pericranial flap. This flap is flexible, thin, and well suited to the sinonasal area. Use of this flap avoids the need for a paramedian forehead or other musculocutaneous flap. Cosmetic results were excellent, and there have been no flap breakdowns or complications to date.

The Use of Unilateral Pericranial Flaps for the Closure of Difficult Medial Orbital and Upper Lateral Nasal Defects