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  OBJECTIVES The aim of this study was to present surgical techniques and evaluate outcomes of a sternocleidomastoid muscle (SCM) myoperiosteal flap used for the reconstruction of tracheal or laryngotracheal defects after the radical resection of invasive thyroid carcinoma. METHODS A retrospective study was performed for patients at Peking Union Medical College Hospital from January 2008 to December 2018 of papillary thyroid carcinoma with tracheal or laryngotracheal invasion. Patients were enrolled only when they received window resection and reconstruction via an SCM myoperiosteal flap. The primary outcome was a stable airway, and the secondary outcome was survival. RESULTS A total of 15 invasive thyroid carcinoma patients were enrolled in this study. Laryngotracheal and tracheal reconstruction were performed in 11 and 4 patients respectively, with a median vertical defect of 3.5 cm (3.0, 4.5). A stable airway was achieved in 14 patients postoperatively. One patient experienced tracheal stenosis and received a second operation of tracheal sleeve resection and end-to-end anastomosis 105 days after the first operation. Tracheostomy was conducted in 5 out of 15 patients in whom the vertical defects were larger than 4 cm, and the tubes were extubated after a median time of 56 days (32, 84). The median observation time was 55 months (48, 86), and all 15 patients achieved a stable airway and showed no evidence of local recurrence at the end of follow-up. CONCLUSIONS For thyroid carcinoma with tracheal or laryngotracheal invasions, window resection with the SCM myoperiosteal flap reconstruction presented positive results in terms of a stable airway as well as oncological outcomes. The SCM myoperiosteal flap can be an appropriate reconstruction strategy, especially when the defects reach the thyroid cartilage.

Tracheal window resection and reconstruction via sternocleidomastoid flap for invasive thyroid carcinoma