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Changing prognosis of oral cancer: An analysis of survival and treatment between 1973 and 2014
Author(s) -
Cheraghlou Shayan,
Schettino Amy,
Zogg Cheryl K.,
Judson Benjamin L.
Publication year - 2018
Publication title -
the laryngoscope
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.181
H-Index - 148
eISSN - 1531-4995
pISSN - 0023-852X
DOI - 10.1002/lary.27315
Subject(s) - medicine , stage (stratigraphy) , cancer , neck dissection , head and neck cancer , retrospective cohort study , disease , chemoradiotherapy , malignancy , proportional hazards model , epidemiology , survival analysis , univariate analysis , multivariate analysis , paleontology , biology
Objectives/Hypothesis Oral cavity cancer is the most commonly occurring malignancy of the head and neck. There are limited data suggesting a change in prognosis of oral cavity cancers. We aimed to evaluate temporal trends in demographics, treatment, and prognosis of oral cavity cancer diagnosed between 1973 and 2014 inclusive. Study Design Retrospective database analysis. Methods A retrospective study of 16,030 adult patients diagnosed with oral cavity cancer between 1973 and 2014 inclusive and treated surgically in the Surveillance, Epidemiology, and End Results (SEER) 9 registry was conducted. A supplemental analysis was conducted using data from the National Cancer Database. Multivariate Cox survival regressions and univariate Kaplan‐Meier analyses were conducted. Results The prognosis of both early‐ and late‐stage disease has significantly improved between 1973 and 2014. Among patients with early‐stage disease, 3‐year survival increased from 78.0% (standard error [SE] = 1.3) for those diagnosed from 1973 to 1980 to 92.2% (SE = 1.1) for those diagnosed from 2011 to 2014. Among patients with late‐stage disease, 3‐year survival ranged from 51.9% (SE = 1.5) for those diagnosed from 1973 to 1980 to 70.3% (SE = 1.9) for those diagnosed from 2011 to 2014. For patients with late‐stage disease, this improved prognosis occurred in tandem with increasing usage of chemoradiotherapy as adjuvant therapy. There has also been increasing utilization of neck dissection for early‐ and late‐stage disease, along with higher nodal yields from performed dissections. Conclusions The prognosis of oral cavity cancer has improved significantly from the early 1970s to recent years. In late‐stage oral cancer, this change has been associated with an increased use of adjuvant therapy and adjuvant chemoradiotherapy in particular. Level of Evidence 4 Laryngoscope , 128:2762–2769, 2018

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