• Jun Jia, Meng-Qi Jia, and Hai-Xiao Zou.
• State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079, China.
• Head Neck. 2018 Nov 1; 40 (11): 2383-2388.

BackgroundThe treatment failure for oral squamous cell carcinoma (SCC) frequently takes the form of local and regional recurrences. We investigated the role of lingual lymph nodes (LLNs) in the recurrence of SCC of the tongue and the floor of the mouth.MethodsA total of 111 patients with SCC of the tongue and the floor of the mouth who received treatment between 2012 and 2017 were included in this study. The patients with lingual lymph nodes that were confirmed to be metastasis on pathological examination were classified into the LNN group. The demographic and clinical data differences between the No-LLN group and the LLN group were compared. Statistical analyses were performed using the Pearson chi-square test RESULTS: The total incidence of LLNs was 17.12% (19/111) and 5 patients (4.5%) demonstrated LLN metastases. All the patients with LLN metastases had a neck lymph node status of N2 classification. The incidence and metastasis of the LLNs were associated with pathological classifications of SCC of the tongue and the floor of the mouth.ConclusionsLLNs are rare in patients with SCC of the tongue and the floor of the mouth, and they would be ready to be omitted. The dissection of these LLNs would be of benefit to those patients with advanced pathological grade.© 2018 Wiley Periodicals, Inc.

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