Complex midfacial defects: Is the extended Abbé flap the ideal solution to a tough problem?

The aim of this study was to investigate the role of the extended Abbé flap in the reconstruction of complex midfacial defects (upper lip, nasal base and medial cheek). We describe our personal experience with this method and present some interesting aspects from the relevant literature. Between 2003 and 2017 we retrospectively evaluated the records of all patients with defects of the upper lip and nasal base after the resection of malignant tumors or traumata and reconstruction by means of the extended Abbé flap. We looked for information on the origin of the defect, the functional result, the aesthetic outcome and postoperative complications. The functional result of the reconstruction of the oral commissure was assessed with regard to postoperative subjective speech integrity, preservation of competence of the oral sphincter and lip sensation. The aesthetic outcome was evaluated with regard to limitations in facial expression and scar formation. The study included 8 patients. Follow-up in the oncological cases was 85 months (range: 20-150 months). No tumor recurrences were detected. All patients achieved normal oral competence and mouth opening. No cases of blunting or microstomia were detected. Reconstruction of the upper lip and nasal base with the extended Abbé flap is associated with an outstanding functional outcome that is cosmetically very acceptable.

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