Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
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00306932607174
alsfakia@gmail.com

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Τρίτη 20 Φεβρουαρίου 2018

Do we need a different staging system for tongue and gingivobuccal complex squamous cell cancers?

Publication date: March 2018
Source:Oral Oncology, Volume 78
Author(s): Piyush Gupta, Jocelyn C. Migliacci, Pablo H. Montero, Daniella Karassawa Zanoni, Jatin P. Shah, Snehal G. Patel, Ian Ganly
ObjectivesTo determine the need for a separate staging system for gingivobuccal complex squamous cell cancers (GBCSCC) based on 5-year overall survival (OS), disease-specific survival (DSS), and recurrence-free survival (RFS) data from one institution.Patients and methodsAn Institutional Review Board (IRB)-approved retrospective analysis was performed on an oral cavity cancer patient database. Patients from 1985 to 2012 with primary surgical treatment for biopsy-proven squamous cell cancer (SCC) from either the oral tongue (TSCC Group) or gingivobuccal complex (GBCSCC Group), were selected as two separate subgroups. The clinicopathologic data were used to stage the patients based on the American Joint Committee on Cancer 7th edition. Survival outcomes including 5-year OS, RFS, and DSS were calculated and analyzed. A multivariate analysis was performed to identify if subsite was an independent predictor for the survival outcomes, adjusting for other variables. A p-value of less than .05 was considered statistically significant.Results936 patients with TSCC and 486 patients with GBCSCC were considered eligible for the analysis. Patients with GBCSCC were more likely to be older (p < .001) and presented with more advanced disease (p < .001) compared to patients with TSCC. Unadjusted hazard ratio (HR) suggested GBCSCC had poor OS compared to TSCC. However, after adjusting for other variables, the adjusted HR was not significant (p = .593). There was no difference in 5-year DSS or RFS in either of the study groups.ConclusionWith similar survival outcomes by stage, there is no justification for using a different staging system for GBCSCC.



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