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Expression of CK19 is an independent predictor of negative outcome for patients with squamous cell carcinoma of the tongue.
Oncotarget 2016 November 16
OBJECTIVES: To explore the prognostic role of CK19 expression in squamous cell carcinomas within a well-defined cohort of oral tongue cancer patients.
METHODS: In our retrospective study, we investigated 129 patients with tongue cancer that had suitable material for inclusion in a tissue microarray (TMA). Where possible, samples were taken from central and peripheral regions of the tumor to generate a representative sample of the tumor. The expression level of CK19 was assessed by immunohistochemical staining.
RESULTS: Expression of CK19 in squamous cell carcinoma of the tongue was identified as a negative predictor for overall survival (OS; p<0.000) and disease specific survival (DSS; p=0.001). No significant difference could be shown for disease free survival (DFS) between patients with positive and negative CK19 staining (p=.094).
CONCLUSION: This is the first description of the highly significant role of CK19 in a selective, organ specific head and neck cancer cohort. Our results are of special importance against the background that CK19 positive carcinomas revealed a significantly poorer prognosis and therefore emphasize its prognostic and possible diagnostic role in tongue cancer.
METHODS: In our retrospective study, we investigated 129 patients with tongue cancer that had suitable material for inclusion in a tissue microarray (TMA). Where possible, samples were taken from central and peripheral regions of the tumor to generate a representative sample of the tumor. The expression level of CK19 was assessed by immunohistochemical staining.
RESULTS: Expression of CK19 in squamous cell carcinoma of the tongue was identified as a negative predictor for overall survival (OS; p<0.000) and disease specific survival (DSS; p=0.001). No significant difference could be shown for disease free survival (DFS) between patients with positive and negative CK19 staining (p=.094).
CONCLUSION: This is the first description of the highly significant role of CK19 in a selective, organ specific head and neck cancer cohort. Our results are of special importance against the background that CK19 positive carcinomas revealed a significantly poorer prognosis and therefore emphasize its prognostic and possible diagnostic role in tongue cancer.
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