J.Jpn. Surg. Soc.. 107(2): 59-63, 2006

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Feature topic

CURRENT TOPICS OF ENDOSCOPIC SURGERY FOR THYROID CANCER

Endoscopic surgery has been introduced in the field of thyroid disease. Endoscopic thyroid surgery is divided into complete endoscopic surgery using CO₂ gas, which is approached from the axilla, mammary areola, and anterior chest; and video-assisted thyroid surgery without CO₂ gas, approached from the neck or anterior chest under the clavicula through a small incision. Many thyroid tumors are benign, and cases of thyroid cancer are few.
Only 7.9％ of patients who underwent endoscopic thyroid surgery in the English and Japanese literature had papillary thyroid cancer. Most of these underwent video-assisted thyroidectomy without gas. The indications for endoscopic surgery in papillary thyroid cancer is microcancer or small tumor without lympnode metastasis before surgery. In follicular thyroid cancer, minimally invasive thyroid cancer of less than 5cm is recommended for endoscopic thyroid surgery. Furthermore, in medullary carcinoma with multiple endocrine neoplasia, prophylactic thyroidectomy can be performed using these endoscopic techniques.
At present, it is still controversial whether endoscopic surgery should be performed to treat thyroid cancer.

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