Predictors of Mortality in HPV‐Associated Oropharynx Carcinoma Treated With Surgery Alone
2019
OBJECTIVE: Survival outcomes for human papillomavirus-associated oropharynx squamous cell carcinoma (HPV + OPSCC) treated with surgery alone are unclear. To increase understanding, we assessed overall survival (OS) outcomes using the national cancer database (NCDB). METHODS: We conducted a retrospective analysis of OS of 736 NCDB HPV + OPSCC patients who underwent surgery alone from 2010 to 2014 using univariate and multivariate analyses and the Kaplan-Meir method. RESULTS: Multivariable analysis found the following independent risk factors for death: American Joint Commission on Cancer (AJCC) 8th edition pathologic stage(p)N2 versus pN0 disease (hazard ratio [HR], 5.5; P = 0.000006), macroscopic extranodal extension (ENE) versus non-ENE (HR, 4.9; P 20 LNs removed during neck dissection, the 3-year OS rates were 93% and 95%, respectively, and the 5-year OS rates were 91% and 95%, respectively. CONCLUSION: In the context of the lack of detail and possible inaccuracies found in the NCDB, surgery alone for AJCC 8th edition stage I HPV + OPSCC, particularly pT1-T2, pN0-N1 with ≤4 pathologic LNs, without ENE, and with negative surgical margins has a high OS. LEVEL OF EVIDENCE: 4 Laryngoscope, 2019.
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