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find Author "WULimeng" 1 results
  • EXTENDED NASOLABIAL FLAPS IN MANAGEMENT OF ANTERIOR BUCCAL MUCOSAL DEFECTS

    ObjectiveTo investigate the feasibility of the extended nasolabial flap in repairing small or medium anterior buccal mucosal defects. MethodsBetween March 2013 and April 2014, 10 patients with anterior buccal mucosal defects were treated with extended nasolabial flaps. There were 8 males and 2 females with the average age of 47.2 years (range, 39-62 years). The left side was involved in 4 cases and the right side in 6 cases. The pathological types included 3 cases of oral leukoplakia (OLK), 3 cases of OLK with malignant changes, 1 case of malignant oral lichen planus, and 3 cases of papilloma. The clinical course ranged from 2 to 15 months (mean, 7.1 months). The resection was restricted to the mucosa and little buccinators without cheek penetration, and the defects ranged from 2.5 to 4.0 cm in width and 3.5 to 5.5 cm in length. The distance between defect and the corner of the mouth was 0.5 to 1.5 cm. A falcate flap was designed along the nasolabial fold with a pedicle lateral beside the corner of the mouth. The flap was lifted in the plane of the superficial muscular aponeurotic system from both terminal points to the region of the central pedicle. Then the flap was transposed intraorally through a transbuccal tunnel to cover the mucosal defect while the extra-oral incision was closed directly. ResultsAll flaps completely survived and all wounds healed primarily. All patients were followed up 6 to 18 months (mean, 10.4 months). All patients regained symmetrical appearances and normal mouth commissure only with linear scars hidden in the nasolabial folds. The mouth opening was 2.7 to 3.5 cm (mean, 3.1 cm) at last follow-up. The intraoral flaps healed perfectly with thin and flat outlooks. No cheek biting or fish-mouth deformity was observed. ConclusionThe extended nasolabial flap can be used to repair small or medium anterior buccal mucosal defects because it has the advantages of reliable blood supply, flexibility in design, simplicity in harvesting, and hidden donor site scars.

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