Background: C-reactive protein (CRP) is an early marker for inflammation, and a relationship between serum CRP levels and survival in oral cancer has been demonstrated previously. In this study, we investigated the roles of CRP in different oral cancer subsites. Methods: Three hundred and forty-three oral squamous cell carcinoma patients between June 1999 and March 2015 were retrospectively reviewed. Serum CRP levels were measured preoperatively. Results: The elevation of CRP levels (≥5.0 mg/L) was significantly correlated with pathologic tumor status, pathologic nodal status, nodal extracapsular spread, tumor stage, skin invasion, tumor depth (≥10 mm), and bone invasion. The correlation between elevation of CRP and clinicopathologic factors was more evident in the buccal cancer compared to other tumor subsites. The disease-free survival and overall survival correlation was significant in buccal cancer (p = 0.003 and p < 0.001) but not in tongue cancer (p = 0.119 and p = 0.341) or other oral cancer subsites (p = 0.246 and p = 0.696). Conclusions: Preoperative serum CRP level was a prognosticator in oral squamous cell carcinoma, and its effect was more prominent in buccal cancer that occurs more frequently in areca-quid (AQ) endemic regions.
CITATION STYLE
Tai, S. F., Chien, H. T., Young, C. K., Tsao, C. K., de Pablo, A., Fan, K. H., … Huang, S. F. (2017). Roles of preoperative C-reactive protein are more relevant in buccal cancer than other subsites. World Journal of Surgical Oncology, 15(1). https://doi.org/10.1186/s12957-017-1116-5
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