Treatment-related determinants of survival in early-stage (T1-2N0M0) oral cavity cancer: A population-based study.

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Treatment-related determinants of survival in early-stage (T1-2N0M0) oral cavity cancer: A population-based study.

Head Neck. 2017 Feb 25;:

Authors: Sowder JC, Cannon RB, Buchmann LO, Hunt JP, Hitchcock Y, Lloyd S, Grossmann KF, Monroe MM

Abstract
BACKGROUND: National guidelines support both surgical and radiotherapy (RT) as initial treatment options for early-stage oral cavity squamous cell carcinoma (SCC). There remains limited data evaluating the survival outcomes of RT and the current practice patterns for these lesions.
METHODS: We conducted a retrospective review of 8274 patients in the Surveillance, Epidemiology, and End Results (SEER) database from 1988 to 2008 with T1 to T2N0M0 oral cavity SCC. Primary outcomes were 5-year overall survival (OS) and disease-specific survival (DSS).
RESULTS: Surgical therapy had significantly improved OS (140 months; p < .001) and DSS (217 months; p < .001) compared to surgery with adjuvant RT (104 and 163 months, respectively) and definitive RT (68 and 136 months, respectively). The use of radiation alone was associated with an increased T classification, hard palate, retromolar trigone primary site lesions, and advanced patient age.
CONCLUSION: Primary radiation without surgery continues to be used in a subset of early-stage oral cavity SCCs, in which it is associated with decreased OS and DSS. © 2017 Wiley Periodicals, Inc. Head Neck, 2017.

PMID: 28236368 [PubMed - as supplied by publisher]

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