• 1. Department of Special Examination, Linyi Cancer Hospital, Linyi, Shandong 276000, P. R. China;
  • 2. Ward 1, Department of Head and Neck Surgery, Linyi Cancer Hospital, Linyi, Shandong 276000, P. R. China;
REN ZHongfeng, Email: 516155214@qq.com
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Objective To compare the efficacy of transoral vestibular endoscopic thyroidectomy (TOET) and transaxillary endoscopic thyroidectomy (TAET) by means of a meta-analysis. Methods Relevant literature comparing the two surgical approaches was retrieved via computer from both domestic and international databases from inception to April 2025. The included studies were analyzed using RevMan 5.4 software, with observation indicators including operative time, intraoperative blood loss, number of central lymph nodes dissected, postoperative drainage volume, postoperative pain score, postoperative parathyroid hormone level, postoperative complication rate, length of hospital stay, and cosmetic outcome of the incision. Results A total of 13 studies involving 1 619 patients (784 in the TOET group and 835 in the TAET group) were included. Compared with the TAET group, the TOET group had a longer operative time [MD=17.04, 95%CI (3.40, 30.69), P=0.01], a greater number of central lymph nodes dissected [MD=0.92, 95%CI (0.77, 1.06), P<0.000 01], a higher overall postoperative complication rate [OR=1.52, 95%CI (1.06, 2.17), P=0.02], a shorter hospital stay [MD=–0.14, 95%CI (–0.23, –0.04), P=0.005], and a better cosmetic outcome of the incision [MD=–0.64, 95%CI (–0.77, –0.50), P<0.000 01]. There were no statistically significant differences between the two groups in intraoperative blood loss [MD=–0.29, 95%CI (–1.25, 0.68), P=0.56], postoperative drainage volume [MD=–9.63, 95%CI (–35.38, 16.11), P=0.46], postoperative pain score [MD=0.05, 95%CI (–0.77, 0.86), P=0.91], or postoperative parathyroid hormone level [MD=–2.71, 95%CI (–5.60, 0.18), P=0.07]. Conclusions TOET demonstrates advantages in the number of lymph nodes dissected, cosmetic outcome, and length of hospital stay. However, it is associated with a longer operative time and a higher complication rate. The choice of surgical approach should be based on a comprehensive consideration of the patient’s cosmetic needs, tumor characteristics, and the surgeon’s experience.

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