Background: Obvious scar and deformities are commonly observed with incision anterior to the alar-facial groove in alar excision surgery. The authors explored modified sill and alar excision to correct wide alar base and flare synchronously and decreased incident of unacceptable scar and deformities in Asian patients.
Methods: The authors conducted a retrospective cohort study including 52 consecutive patients undergoing this surgery. Contrary to previous studies, the incision for alar excision was located in the alar-facial groove and was closed by intracutaneous suture. Scars were assessed with visual analog scale and the Stony Brook Scar Evaluation Scale. Ratio of the interalar distance to intercanthal distance, nostril shape, and nostril symmetry was recorded.
Results: The mean follow-up time was 18 months. Visual analog scale results showed 50 patients (96.2%) reported unnoticeable scar and 2 noticeable but acceptable scar. Stony Brook Scar Evaluation Scale results indicated 49 patients (94.2%) with good scar outcomes and 3 (5.8%) with moderate scar outcomes. The mean ratio of interalar distance to intercanthal distance reduced significantly from preoperative 1.10 to postoperative 1.02. The frequency of horizon-shaped nostrils changed from preoperative 16 cases (30.8%) to postoperative 2 cases (3.8%). The frequency of the pear-shaped (preferred shape) nostrils improved from preoperative 15 cases (28.8%) to postoperative 26 cases (50.0%). The frequency of symmetrical nostril shape improved from preoperative 36 patients (69.2%) to 42 (80.8%). There were no patients with complications like alar deformities, and patients' dissatisfaction.
Conclusions: When performing sill and alar excision in Asian patients, the authors recommended a modified approach with the incision for alar excision being placed in the alar-facial groove and closed by intracutaneous suture, which can avoid obvious scar and deformities in Asian patients.Level of evidence: Level 4.
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