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Treatment of patients with clinically lymph node-negative squamous cell carcinoma of the oral cavity

Cited 7 time in Web of Science Cited 9 time in Scopus
Authors
Jang, Won Il; Wu, Hong-Gyun; Park, Charn Il; Kim, Kwang Hyun; Sung, Myoung-Whun; Kim, Myung-Jin; Choung, Pill-Hoon; Lee, Jong-Ho; Choi, Jin-Yong
Issue Date
2008
Publisher
Oxford University Press
Citation
Jpn J Clin Oncol 2008;38:395-401
Keywords
oral cavity cancersquamous cell carcinomalymph node-negativeradiotherapysurgery
Abstract
Methods: Two hundred and twenty-seven patients with oral cavity SCC received radiotherapy with curative intent. We retrospectively analyzed 69 patients with clinically N0 disease. Forty-three patients were treated with surgery followed by radiotherapy (S+EBRT) and 26 with radiotherapy alone (EBRT). The median doses administered were 63.0 Gy for S+EBRT and 70.2 Gy for EBRT.

Results: The rates of occult metastasis were 60% for T1, 69% for T2, 100% for T3 and 39% for T4, respectively, among patients who underwent neck dissection. A contralateral occult metastasis occurred only in two patients. The median follow-up was 39 months (range, 6–170 months). The 5-year overall survival (OS), disease-free survival (DFS), local control (LC) and regional control (RC) rates for all patients were 56, 50, 66 and 79%, respectively. The 5-year OS, DFS, LC and RC rates were 67/39% (P < 0.01), 66/24% (P < 0.01), 87/30% (P < 0.01) and 73/89% (P = 0.11) for S+EBRT/EBRT, respectively.

Conclusions: The risk for occult neck metastasis is high in patients with oral cavity SCC; therefore, elective neck treatment should be considered. Excellent RC for subclinical disease can be achieved with radiotherapy alone. However, external beam radiotherapy alone to primary tumor resulted in poor LC and combined treatment with surgery and radiotherapy appeared to be a better treatment strategy.
ISSN
0368-2811
Language
English
URI
http://hdl.handle.net/10371/69666
DOI
https://doi.org/10.1093/jjco/hyn048
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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