Abstract
Factors involved in neck lymph node metastasis (NLM) and prognosis of early tongue squamous cell carcinoma (SCC) remain unknown. We analyzed disease-specific survival (DSS) and NLM including tumor budding grade (TBG) among 64 patients with cT1/2N0 tongue SCC. Univariate analysis of DSS of primary lesions uncovered significant differences in new cT, pT, new pT, pDiameter, venous infiltration, and TBG. Multivariate analysis selected only TBG3 as a predictor of NLM (odds ratio, 9.55; 95% confidence interval [CI], 1.80-50.8; P = .008), and a prognostic factor for DSS (hazard ratio, 4.41; 95% CI, 1.34-14.5; P = .02). The sole predictor of NLM and the prognosis of early tongue SCC was TBG, indicating that it might help to select overwhelming risk patients.
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