Behavior of squamous cell carcinoma of the floor of the mouth. Is supraomohyoid neck dissection sufficiently safe to manage clinically N0 patients?

Background Studies on neck management of early-stage floor of mouth (FOM) squamous cell carcinoma (SCC) are very few and controversial. We aimed to study whether elective neck dissection (END) for patients with clinically stage T1N0M0 (cT1N0M0) FOM SCC is beneficial for survival. Methods Information on patients diagnosed with cT1N0M0 FOM SCC between 2004 and 2015 was collected from the Surveillance, Epidemiology and End Results (SEER) database. Cox proportional risk models and Kaplan–Meier curves were used for survival analysis and log-rank tests were performed to compare whether overall survival (OS) and cancer-specific survival (CSS) differed. Propensity score matching (PSM) was performed to eliminate the effect of confounding variables. Results There were 1014 patients with cT1N0M0 FOM SCC. Among them, END group: 455 cases; observation group: 559 cases. COX regression analysis before PSM demonstrated hazard ratio (HR) in the observation group compared to END (OS: 1.108 (.926–1.326), P = .262; CSS: 1.033 (.772–1.382), P = .827). There was no survival difference between END and observation survival before PSM (5-year OS: 71.8% vs. 67.8%, P = .180; 5-year CSS: 84.5% vs. 84.8%, P = .930); the matched results were the same as before PSM. Conclusion Observation may be a more appropriate option compared with END in cT1N0M0 FOM SCC.

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Association of Elective Neck Dissection With Survival in cT1N0M0 Floor of Mouth Squamous Cell Carcinoma: A Population-Based Propensity Score Matching Analysis

Xiang

Wang

et al. 2023

Ear Nose Throat J

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Behavior of squamous cell carcinoma of the floor of the mouth. Is supraomohyoid neck dissection sufficiently safe to manage clinically N0 patients?

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References 14 publications

Association of Elective Neck Dissection With Survival in cT1N0M0 Floor of Mouth Squamous Cell Carcinoma: A Population-Based Propensity Score Matching Analysis

Association of Elective Neck Dissection With Survival in cT1N0M0 Floor of Mouth Squamous Cell Carcinoma: A Population-Based Propensity Score Matching Analysis

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