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Radiation Oncology
Published in: Radiation Oncology 1/2010

Open Access 01-12-2010 | Research

Clinical outcomes for T1-2N0-1 oral tongue cancer patients underwent surgery with and without postoperative radiotherapy

Authors: Su Jung Shim, Jihye Cha, Woong Sub Koom, Gwi Eon Kim, Chang Geol Lee, Eun Chang Choi, Ki Chang Keum

Published in: Radiation Oncology | Issue 1/2010

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Abstract

Background

The aim of this study was to assess the results of curative surgery with and without radiotherapy in patients with T1-2N0-1 oral tongue squamous cell carcinoma (OSCC) and to evaluate survival and prognostic factors.

Methods

Retrospective analysis of 86 patients with T1-2N0-1 OSCC who received surgery between January 2000 and December 2006. Fourteen patients (16.3%) received postoperative radiotherapy (PORT). Patient characteristics, tumor characteristics, treatment modality, failure patterns, and survival rates were analyzed.

Results

The median follow-up was 45 months. The five-year overall survival (OS) and disease-free survival (DFS) rates were 80.8% and 80.2%, respectively. Higher tumor grade and invasion depth ≥ 0.5 cm were the significant prognostic factors affecting five-year OS and DFS (OS rate; 65% vs. 91%, p = 0.001 for grade; 66% vs. 92%, p = 0.01 for invasion depth: DFS rate; 69% vs. 88%, p = 0.005 for grade; 66% vs. 92%, p = 0.013 for invasion depth). In the risk group, there was no local failure in patients with postoperative radiotherapy.

Conclusions

In T1-2N0-1 OSCC, factors that affected prognosis after primary surgery were higher tumor grade and deep invasion depth over 0.5 cm. Postoperative radiotherapy should be considered in early oral tongue cancer patients with these high-risk pathologic features.
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Metadata
Title
Clinical outcomes for T1-2N0-1 oral tongue cancer patients underwent surgery with and without postoperative radiotherapy
Authors
Su Jung Shim
Jihye Cha
Woong Sub Koom
Gwi Eon Kim
Chang Geol Lee
Eun Chang Choi
Ki Chang Keum
Publication date
01-12-2010
Publisher
BioMed Central
Published in
Radiation Oncology / Issue 1/2010
Electronic ISSN: 1748-717X
DOI
https://doi.org/10.1186/1748-717X-5-43

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