Transoral Endoscopic Thyroidectomy by Vestibular Approach for Differentiated Thyroid Cancer Intraoperatively Invading Strap Muscle.

Background: Transoral endoscopic thyroidectomy vestibular approach (TOETVA) has become increasingly popular in the surgical treatment of thyroid cancer. However, its application in T3b disease has not been well-defined.

Methods: We conducted a quasi-experimental study on patients with an intraoperative diagnosis of T3bN0M0 differentiated thyroid carcinoma from January 2019 to January 2021 in our institution.