The investigators have previously proposed a prediction model for difficult transoral and submental thyroidectomy through a retrospective study. In order to better promote transoral and submental endoscopic approach for thyroid surgery and to set up an appropriate training course, the investigators aim to renovate and validate the prediction model through a prospective study.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
1.Number of participants with recurrent laryngeal nerve injury 1.Number of participants with recurrent laryngeal nerve injury Number of participants with recurrent laryngeal nerve injury
Timeframe: through study completion, an average of 1 year
Number of participants with hypoparathyroidism Number of participants with hypoparathyroidism Number of participants with hypoparathyroidism
Timeframe: through study completion, an average of 1 year
Number of participants with mental nerve injury
Timeframe: through study completion, an average of 1 year
operative time
Timeframe: immediately at the end of the surgery