期刊
JOURNAL OF SURGICAL ONCOLOGY
卷 102, 期 5, 页码 443-449出版社
WILEY
DOI: 10.1002/jso.21547
关键词
oral cancer; TNM classification; stage grouping; prognosis; multivariate analysis
Background: Carcinoma of the oral cavity is classified according to the TNM staging system of the UICC The staging system is under continuous revision The aim of our study was to assess the prognostic value of the UICC sixth edition for oral cancer, which was established in 2003 Methods: Three-hundred treatment-naive patients with oral squamous cell carcinoma (OSCC) of stages I-IVb were reviewed retrospectively Patients with stage-I disease were treated solely surgically, and patients with stage II-IVb received a multi modal treatment Overall survival was plotted by Kaplan-Meier analysis Prognostic factors were identified through univariate and multivariate analysis Results: Univariate analysis showed a significant impact of T stage (P = 0 009), N stage (P < 0 001). and UICC stage (P <0 001) on overall survival However, no statistical differences were observed between stages T4a and T4b (P = 0 176) and UICC stages IVa and IVb (P = 0 306) Conclusions: T stage. N stage. and UICC stage grouping are good predictors of overall survival in patients with OSCC Neither the division of stage T4 into T4a and To in the sixth edition nor the split of stage IV into IVa and IVb showed significant differences in overall survival between the subgroups J. Surg Oncol 2010, 102.443-449 (C) 2010 Wiley-Liss. Inc
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