Role of local flaps in the prevention of soft tissue necrosis after transoral robotic surgery for tonsillar cancer.

Soft tissue necrosis (STN) can occur after transoral robotic surgery (TORS) with radiation therapy (RT). We investigated the usefulness of local flap reconstruction for preventing STN after TORS in patients with tonsillar cancer. This case-control study retrospectively reviewed clinicopathological data of patients who underwent TORS for tonsillar cancer at a tertiary referral center. The incidence of STN was compared in patients who underwent secondary intention healing or local flap reconstruction, and factors predicting STN were identified. STN occurred in 20 (25%) of 80 patients in the study. The incidence of STN was higher in the secondary intention healing than the flap reconstruction group. Mucositis grade (odds ratio [OR] 3.694, p = 0.02), RT dose (OR 4.667, p = 0.001), and secondary intention healing (OR 14.985, p = 0.035) were predictive factors for STN. Flap reconstruction can prevent STN after TORS with RT in patients with tonsillar cancer. The use of local flaps preserves the minimally invasive nature of TORS.

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Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that might affect the research reported in this paper.