Mark D Wilkie1,2, Navdeep S Upile1,2, Andrew S Lau1,2, Stephen P Williams1, Jon Sheard2,3, Tim R Helliwell3, Max Robinson4, Jennifer Rodrigues5, Krishna Beemireddy5, Huw Lewis-Jones6, Rebecca Hanlon6, David Husband7, Aditya Shenoy7, Nicholas J Roland1, Shaun R Jackson1, Fazilet Bekiroglu8, Sankalap Tandon1, Jeffrey Lancaster1, Terence M Jones1,2. 1. Department of Otorhinolaryngology - Head and Neck Surgery, Aintree University Hospital NHS Foundation Trust, Liverpool, United Kingdom. 2. Department of Molecular and Clinical Cancer Medicine, Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom. 3. Department of Pathology, Aintree University Hospital NHS Foundation Trust, Liverpool, United Kingdom. 4. Centre for Oral Health Research, Newcastle University, Newcastle, United Kingdom. 5. Department of Anaesthetics, Aintree University Hospital NHS Foundation Trust, Liverpool, United Kingdom. 6. Department of Radiology, Aintree University Hospital NHS Foundation Trust, Liverpool, United Kingdom. 7. The Clatterbridge Cancer Centre NHS Foundation Trust, Wirral, United Kingdom. 8. Department of Oral and Maxillofacial Surgery, Aintree University Hospital NHS Foundation Trust, Liverpool, United Kingdom.
Abstract
BACKGROUND: The contemporary treatment of oropharyngeal squamous cell carcinoma (SCC) is an area of debate. We report outcomes of a minimally invasive approach involving transoral laser microsurgery (TLM). METHODS: A consecutive series of patients (n = 153) undergoing primary TLM for oropharyngeal SCC from 2006 to 2013 was studied. Human papillomavirus (HPV) status was determined by p16 immunohistochemistry and high-risk HPV DNA in situ hybridization. Survival analyses were evaluated using Kaplan-Meier statistics. RESULTS: Tumor subsites included tonsil (n = 94; 61.5%), tongue base (n = 38; 24.8%), and soft palate (n = 21; 13.7%), with the majority being American Joint Committee on Cancer (AJCC) stage III/IVa (n = 124; 81.0%) and HPV-positive (n = 101; 66.0%). Three-year overall survival (OS), disease-specific survival (DSS), and disease-free survival (DFS) were 84.5%, 91.7%, and 78.2%, respectively. HPV-positivity portended favorable oncologic outcomes. One-year gastrostomy tube (G-tube) dependency was 1.3%. CONCLUSION: To the best of our knowledge, this is the largest single-center TLM oropharyngeal SCC series to date. Our data suggest that TLM +/- postoperative radiotherapy (PORT) results in at least as good oncologic outcomes as chemoradiotherapy (CRT), while conferring swallowing function advantages.
BACKGROUND: The contemporary treatment of oropharyngeal squamous cell carcinoma (SCC) is an area of debate. We report outcomes of a minimally invasive approach involving transoral laser microsurgery (TLM). METHODS: A consecutive series of patients (n = 153) undergoing primary TLM for oropharyngeal SCC from 2006 to 2013 was studied. Human papillomavirus (HPV) status was determined by p16 immunohistochemistry and high-risk HPV DNA in situ hybridization. Survival analyses were evaluated using Kaplan-Meier statistics. RESULTS: Tumor subsites included tonsil (n = 94; 61.5%), tongue base (n = 38; 24.8%), and soft palate (n = 21; 13.7%), with the majority being American Joint Committee on Cancer (AJCC) stage III/IVa (n = 124; 81.0%) and HPV-positive (n = 101; 66.0%). Three-year overall survival (OS), disease-specific survival (DSS), and disease-free survival (DFS) were 84.5%, 91.7%, and 78.2%, respectively. HPV-positivity portended favorable oncologic outcomes. One-year gastrostomy tube (G-tube) dependency was 1.3%. CONCLUSION: To the best of our knowledge, this is the largest single-center TLM oropharyngeal SCC series to date. Our data suggest that TLM +/- postoperative radiotherapy (PORT) results in at least as good oncologic outcomes as chemoradiotherapy (CRT), while conferring swallowing function advantages.
Authors: Brett A Miles; Marshall R Posner; Vishal Gupta; Marita S Teng; Richard L Bakst; Mike Yao; Kryzsztof J Misiukiewicz; Raymond L Chai; Sonam Sharma; William H Westra; Seunghee Kim-Schulze; Bheesham Dayal; Stanislaw Sobotka; Andrew G Sikora; Peter M Som; Eric M Genden Journal: Oncologist Date: 2021-03-18
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