Objective: Locally advanced thyroid carcinoma is relatively rare;extrathyroid extension, such as to the trachea, is one of the most important prognostic factors. Surgical resection is the mainstay of treatment, and appropriate surgical planning is crucial for obtaining a reasonable prognosis and quality of life of the patients. Case Report: Herein, we report a case of advanced thyroid carcinoma involving the trachea. Total thyroidectomy and window resection of the trachea were performed. The tracheal defect was approximately 2.5 × 3.0 cm in size, extending from the first to the third tracheal cartilage, and was reconstructed with auricular cartilage and covered with the sternohyoid muscles of both sides in a single-stage surgical procedure. The tracheal stoma was closed 2 weeks after the surgery. There were no postoperative complications. Conclusion: This reconstruction of the relatively small defect of the trachea provided excellent functional and cosmetic results.
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