Abstract
BACKGROUND: The aim of this study is to evaluate the correlation of coagulation tests with various clinicopathological variables and tumor markers among colorectal cancer (CRC) patients.
MATERIALS AND METHODS: Ninety-four CRC patients were included for evaluation of clinicopathological factors, coagulation assays and tumor marker levels.
RESULTS: Metastatic disease was related with elevated INR (p= 0.03). Stage III patients had higher D-dimer values compared with stage II patients (p= 0.03). Correlation of tumor markers indicated a tendency towards elevated D-dimer levels for CEA values higher than median (p= 0.01). High CA 19-9 levels were also associated with higher INR (p= 0.007). Elderly age, distant metastasis, high CEA, CA-19-9 and LDH levels were associated with poorer overall-survival. CEA level was the only independent prognostic factor in multivariate analysis.
CONCLUSIONS: Coagulation assays can be utilized as predictors of disease extent in CRC. Elevated D-dimer and INR values may indicate higher disease stage. Correlation of D-dimer levels with CEA supports their value for assessing tumor burden.
Keywords: Tumor marker, coagulation, colon cancer, D-dimer, CEA, CA 19-9
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