Reconstruction Of A Full-Thickness Lateral Alar Defect Using A Superiorly Based Folded Nasolabial Flap Without A Cartilage Graft: A Single-Stage Operation
JOURNAL OF CRANIOFACIAL SURGERY(2021)
Abstract
When reconstructing a lateral alar defect of the nose, satisfactory aesthetic and functional results are difficult to achieve through a single-stage surgery alone. Here the authors describe a new innovative surgical technique using a superiorly based folded nasolabial flap through a single-stage surgery alone. An 85-year-old male patient visited plastic surgery clinic with sudden enlargement of a mass 3 or 4 days before the visit. On the basis of the biopsy test results, a diagnosis of basal cell carcinoma on the right lateral alar was made. A full-thickness lateral alar resection was performed while maintaining the shape of the right alar rim (outer skin defect: 2.2 x 2 cm(2) and inner mucosal defect: 1.4 x 1.3 cm(2)). Next, a single-stage reconstruction with a superiorly based folded turnover nasolabial flap was performed for the full-thickness lateral alar defect. Six months after the reconstructive surgery, no wound complication and nostril collapse occurred. The surgical method used in this case has many advantages. First, the authors' method is performed only in a single stage. Second, the flap is based on a rich vascular supply from the angular artery, which eliminates the possibility of flap necrosis through multiple turnovers. Third, because the turnover nasolabial flap is a construct of the epidermis, dermis, and subcutaneous fat, the flap is quite stiff thus reducing the possibility of nostril collapse. Fourth, the procedure leaves no scars in the superior area of the nose other than the nasolabial fold scar.
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Key words
Alar reconstruction, nasolabial fold flap, single stage
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