Radiation oncology (London, England) · 2018
Prognostic significance of tumor-infiltrating lymphocytes in patients with operable tongue cancer.
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Chen Wan-Yu, Wu Chen-Tu, Wang Chun-Wei, Lan Keng-Hsueh, Liang Hsiang-Kuang, Huang Bing-Shen, Chang Yih-Leong, Kuo Sung-Hsin, Cheng Ann-Lii
Аннотация
BACKGROUND: Our aim was to investigate the prognostic significance of tumor-infiltrating lymphocytes (TILs) in operable tongue cancer patients.
METHODS: The presence of CD3+, CD4+, CD8+, and forkhead box protein P3-positive (FOXP3+) TILs in tumor tissues obtained from 93 patients during surgery was examined using immunohistochemistry.
RESULTS: The 3-year overall survival (OS) of patients with a low CD8/FOXP3 ratio was significantly lower than that of patients with a high CD8/FOXP3 ratio (63.8% vs. 87.3%, p = 0.001). Patients with high FOXP3 had a significantly lower 3-year regional recurrence-free survival (RRFS) than did patients with low FOXP3 (49.3% vs. 87.3%, univariate log rank p = 0.000). A low CD4/FOXP3 ratio (68.4% vs. 93.7%, univariate log rank p = 0.002) was significantly unfavorable prognostic factors for 3-year distant metastasis-free survival (DMFS).
CONCLUSIONS: In addition to clinicopathological characteristics, TIL markers represent prognosticators for clinical outcomes.
METHODS: The presence of CD3+, CD4+, CD8+, and forkhead box protein P3-positive (FOXP3+) TILs in tumor tissues obtained from 93 patients during surgery was examined using immunohistochemistry.
RESULTS: The 3-year overall survival (OS) of patients with a low CD8/FOXP3 ratio was significantly lower than that of patients with a high CD8/FOXP3 ratio (63.8% vs. 87.3%, p = 0.001). Patients with high FOXP3 had a significantly lower 3-year regional recurrence-free survival (RRFS) than did patients with low FOXP3 (49.3% vs. 87.3%, univariate log rank p = 0.000). A low CD4/FOXP3 ratio (68.4% vs. 93.7%, univariate log rank p = 0.002) was significantly unfavorable prognostic factors for 3-year distant metastasis-free survival (DMFS).
CONCLUSIONS: In addition to clinicopathological characteristics, TIL markers represent prognosticators for clinical outcomes.