Tumor thickness and risk of lymph node metastasis in patients with squamous cell carcinoma of the tongue.

Mücke, Thomas; Kanatas, Anastasios; Ritschl, Lucas M; Koerdt, Steffen; Tannapfel, Andrea; Wolff, Klaus-Dietrich; Loeffelbein, Denys; Kesting, Marco

doi:10.1016/j.oraloncology.2015.11.010

2016

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Dokumenttyp:: Journal Article
Autor(en):: Mücke, Thomas; Kanatas, Anastasios; Ritschl, Lucas M; Koerdt, Steffen; Tannapfel, Andrea; Wolff, Klaus-Dietrich; Loeffelbein, Denys; Kesting, Marco
Titel:: Tumor thickness and risk of lymph node metastasis in patients with squamous cell carcinoma of the tongue.
Abstract:: Oral squamous cell carcinomas, and tongue malignancies in particular, are among the most common tumors of the oral cavity. Classification for therapeutic and prognostic purposes is routinely made using the tumor, node, metastasis (TNM) system; however, current definitions do not include tumor thickness. We therefore aimed to identify variables associated with survival, and to evaluate the correlation between tumor thickness and the occurrence of lymph node metastasis.All patients undergoing radical tumor resection for squamous cell carcinomas of the tongue between 2000 and 2012 were included. Specimens were analyzed histopathologically and co-variables were interpreted. Follow-up was performed clinically and radiologically for at least 3years according to current guidelines.We included 492 patients who had a median follow-up of 70months. Variables associated with survival (p<0.05) were age, tumor stage, N stage, UICC (Union for International Cancer Control) stage, tumor grade, and recurrence. In the receiver operating characteristic curve and Youden-Index analyses, the optimal tumor thickness cut-off was 8mm to detect significant differences in overall survival.We highlight the importance of tumor thickness as a predictive variable in tongue cancer. Specifically, a cut-off point of 8mm allowed for a more accurate and statistically precise prediction of lymph node metastasis. These findings could supplement the current classification of tongue cancers and form the basis for treatment.
Zeitschriftentitel:: Oral Oncol
Jahr:: 2016
Band / Volume:: 53
Seitenangaben Beitrag:: 80-4
Sprache:: eng
Volltext / DOI:: doi:10.1016/j.oraloncology.2015.11.010
PubMed:: http://view.ncbi.nlm.nih.gov/pubmed/26625728
Print-ISSN:: 1368-8375
TUM Einrichtung:: Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Clinical Medicine Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie (Prof. Wolff)2016