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KMID : 0939920140460010065
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대한암학회지
2014 Volume.46 No. 1 p.65 ~ p.73
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Clinical Implications of Systemic Inflammatory Response Markers as Independent Prognostic Factors in Colorectal Cancer Patients
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Paik Kwang-Yeol
Lee In-Kyu
Lee Yoon-Suk
Sung Na-Young
Kwon Taek-Soo
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Abstract
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Purpose: Cancer-related inflammation affects many aspects of malignancy. We confirm the effects of early postoperative systemic inflammation on cancer prognosis.
Materials and Methods: Six hundred consecutive patients underwent surgery for colorectal cancer from 2006 to 2009. Measurements of white blood cells, neutrophils, lymphocytes, monocytes, and platelet counts were performed preoperatively, daily until the fourth postoperative day, and subsequently every two days. Patients were divided into three groups based on the days spent on the leukocyte count to drop below 10,000/mm3 after surgery.
Results: Preoperative white blood cell (WBC) counts correlated with stage of disease. In univariate survival analyses, tumor, node, metastasis (TNM) stage, and monocyte count were associated with cancer-free survival. In addition, cancer-free survival outcomes were worse in patients who required more than four days for the normalization of WBC count. A TNM stage greater than II and the neutrophil lymphocyte ratio were associated with the duration of overall survival. In a multivariate analysis of these significant variables, TNM stage, an interval longer than four days for normalization of WBC counts and monocyte count independently associated with cancer-free survival.
Conclusion: Postoperative early inflammatory phase and preoperative monocyte count correlate with poor colon cancer prognosis. We can conclude that preoperative and postoperative inflammatory response and period unfavorably affect the metastatic microenvironment.
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KEYWORD
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Colorectal neoplasms, Inflammation, Perioperative period, Prognosis
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