Elective Neck Dissection can Improve the Overall Survival and Cancer-Specific Survival of T3cN0M0 Glottic Squamous Cell Cancer
Abstract How to treat clinically node-negative (cN0) neck in larynx squamous cell cancer (LSCC) has been subject to considerable discussion. The role of elective neck dissection (END) in patients with T3 glottic squamous cell cancer (GSCC) with cN0 is remain unclear. The objective of this study is to elucidate the role of END in improve the outcome of T3cN0M0 GSCC. Patients with T3cN0M0 GSCC in the Surveillance, Epidemiology, and End Results database (SEER) from 2004 to 2015 were extracted and stratified into END and Non-END cohorts, we found that only 22–58% T3cN0M0 GSCC were performed with END. After Propensity score matching (PSM), END cohort had better overall survival (OS) (median survival time: 93 vs 40 months, respectively; p < 0.0001) and cancer-specific survival (CSS) (HR 0.40, 95%CI 0.26 to 0.64, p = 0.0012) than non-END cohort. In addition, Subgroup analysis also indicated END cohort had better OS or CSS than non-END cohort.This study demonstrated that in patients with T3cN0M0 GSCC, END significantly associated with better survival outcomes compared with non-END.