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Transoral Robotic Surgery(TORS) for Base of Tongue Cancer One Surgeon's 7-yr Follow up Results
Dept. of Otorhinolaryngology, Yonsei Univ. College of Medicine©ö Dept. of Otolaryngology, Jaesaeng Hosp.2
Hwan KIM, Hwan KIM1, Young Min PARK2, Jae won CHANG1, Won Shik KIM1, Eun Chang CHOI1, Se-Heon KIM1
¸ñÀû: Operations on the base of tongue is not easy to access through transoral approach as well as external approach. There are variable surgical approaches for resection on base of tongue cancer, but reports about indications of individual approaches are lacking. In this study, we suggest a new surgical technique by TORS on base of tongue cancer. ¹æ¹ý:From 2008 to 2015, IRB based prospective study was conducted. The nineteen patients who were surgically treated with base of tongue cancer by TORS were reviewed. We evaluated the surgical margin, the mean time required for tolerable oral diet and decannulation, and surgery related complications Also we evaluate the voice and swallowing function after surgery periodically.. °á°ú:We performed TORS on 19 patients with base of tongue cancer. Two among the 19 patients were salvage operation cases after concurrent chemoradiotherapy. 17 patients(89.5%) had histologically clear margin of resection. Overall survival at 5 years was 82% and disease free survival was 82%. During the follow-up period, 2 patients died of pneumonia regardless of disease, 1 patient had a nodal recurrence requiring a salvage operation. The other 16 patients survived with no evidence of disease. 11 patients underwent intraoperative tracheotomy to prevent an airway compromise due to excessive swelling and severe bleeding. Decannulation was completed within 7.9 days on average, and no vocal functional loss was reported. Normal swallowing was possible within an average of 5.2 days(range 1-15). No chronic aspirations were seen on the follow up videopharyngogram. °á·Ð:TORS has shown promising data to support that it provides better visualization and access to tongue base tumors via a minimally invasive approach, with comparable oncologic outcomes to traditional open surgery. More importantly, TORS offers less morbidity due to the operation and a better functional outcome.


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