The past decade has witnessed rapid advances in gasless transaxillary endoscopic thyroidectomy (GTET) for thyroid cancer, which has become a reliable procedure with good therapeutic effectiveness, aesthetic benefits, and safety. This procedure has been widely promoted in some Asian countries; however, few studies have described the specific surgical steps for unilateral low-risk thyroid cancer. Based on a review of the literature and our own clinical experience, we introduce in detail the surgical procedure of GTET for the unilateral low-risk thyroid cancer, briefly summarized into Li's 6 steps: surgical position and incision design; creation of surgical cavities; dissection of the superior pole of the thyroid and its vessels, and identification and protection of superior laryngeal nerve; identification and protection of the superior parathyroid gland, and identification of the inferior parathyroid gland; identification and protection of the recurrent laryngeal nerve and the inferior parathyroid gland, and central neck dissection; and processing of the suspensory ligaments of thyroid gland and en bloc resection of the tumor. The six-step approach is simple to learn. The lymph nodes are dissected first, followed by resection of the primary lesion and protect important structures, which meets the principles of radical tumor treatment. It is hoped that the proposed Li's six-step method can promote the standardized, safe, and wide application in treating early thyroid cancer.
Keywords: Thyroidectomy; endoscopy; gasless; thyroid cancer; transaxillary thyroidectomy.
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