Oncological and functional outcomes of transoral robotic surgery for oropharyngeal cancer |
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| Authors: | Young Min Park Won Shik Kim Hyung Kwon Byeon Sei Young Lee Se-Heon Kim |
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| Institution: | 1. Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Republic of Korea;2. Department of Otorhinolaryngology, Chung-Ang University College of Medicine, Seoul, Republic of Korea;1. Department of Oromaxillofacial-Head and Neck Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning 110002, PR China;2. Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning 110002, PR China;3. Department of Clinical Epidemiology and Evidence-based Medicine, The First Affiliated Hospital, China Medical University, Shenyang, PR China;1. The University of Utah School of Medicine, Otolaryngology Head and Neck Surgery, 50 North Medical Drive 3C-120, Salt Lake City, UT 84132, United States;2. University of Washington, Department of Otolaryngology – Head and Neck Surgery, Health Sciences Building, Suite BB1165, Box 356515, Seattle, WA 98195-6515, United States;3. Fred Hutchinson Cancer Research Center, 2000 Circle of Hope Drive, Salt Lake City, UT 84112, United States;4. University of Washington, Department of Radiation Oncology, 1959 NE Pacific St. Box 356043, Seattle, WA 98195, United States;1. Department of Head-Neck Surgery, Otolaryngology, Head-Neck and Oral Surgery Unit, Morgagni Pierantoni Hospital, Azienda USL della Romagna, Forlì, Italy;2. Department of Emergency, Burn Center, Bufalini Hospital, Azienda USL della Romagna, Cesena, Italy |
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| Abstract: | In this prospective study we analysed the oncological and functional results of transoral robotic surgery (TORS) to find out if it was suitable as a minimally invasive treatment for oropharyngeal cancer. Between April 2008 and September 2011, 39 patients with oropharyngeal cancer were treated by TORS. We assessed overall and disease-free survival by the Kaplan–Meier test, and we used videopharyngography and the functional outcome swallowing scale (FOSS) to evaluate swallowing. We used nasometry to estimate hypernasality, and acoustic waveform analysis to evaluate the voice. Thirty-seven patients (95%) had histologically clear margins of resection. Overall survival at 2 years was 96% and disease-free survival 92%. An oral diet was tolerable after a mean of 6 (range 1–18) days. No serious swallowing difficulties were seen on the videopharyngogram. Thirty-six of 38 patients could swallow well (97%) with FOSS scores ranging from 0 to 2 (1 patient had a poor score but was able to take an oral diet after postural training). Voices were maintained close to the normal range on the acoustic waveform analysis. The oncological and functional results of TORS were quite acceptable for the treatment of oropharyngeal cancer. TORS is a valid treatment for selected patients with oropharyngeal cancer. |
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