Abstract

Reconstruction of lips after squamous cell carcinoma (SCC) removal should restore functional and aesthetic roles; however, it remains a challenge. In this study we describe the clinical features of lip SCC and suggest a reconstruction algorithm. We retrospectively analyzed 34 patients with lip SCC who underwent reconstruction after Mohs micrographic surgery between January 2006 and March 2022. The mean age of the patients was 70.2 years. Seven tumors were on the upper lip and 27 tumors were on the lower lip. Twenty-five defects were located on the mucosal lip, eight defects involved both the mucosal and cutaneous lips, and one defect was confined to the cutaneous lip. Eighteen defects were smaller than 50% of the total lip size, and 16 were larger than 50%. Primary closure was mostly performed for defects smaller than 50% of the lip size (9/18 cases), and local flap, according to the location and size of the defects, was performed for larger defects. Thirteen patients experienced postoperative complications but improved within 1 year after surgery, except for one patient. We suggest a reconstruction algorithm with a 50% cut-off value. Defects smaller than 50% of the lip size could be reconstructed by primary closure. Even larger defects could be reconstructed by creation of a local flap from the remaining adjacent tissue with minimal postoperative complications.

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