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  • Title: Prognostic value of pre-operative serum uric acid levels in esophageal squamous cell carcinoma patients who undergo R0 esophagectomy.
    Author: Chen YF, Li Q, Chen DT, Pan JH, Chen YH, Wen ZS, Zeng WA.
    Journal: Cancer Biomark; 2016 Jun 07; 17(1):89-96. PubMed ID: 27314297.
    Abstract:
    BACKGROUND: The serum uric acid (SUA) is the end-product from the metabolic breakdown of purine nucleotides. It has been considered to be a prognostic factor for malignant tumor in several researches. However, its prognostic value in patients with esophageal squamous cell carcinoma (ESCC) has not been elucidated. METHODS: We retrospectively reviewed the records of 209 ESCC patients who underwent R0 esophagectomy. A receiver operating characteristic (ROC) curve analysis was used to determine the optimal cut-off value for pre-operative SUA levels and to divide the ESCC patients into two groups. Furthermore, we analyzed the pre-operative serum uric acid (SUA) levels and its relationship with the clinicopathological parameters and the prognosis of 209 ESCC patients. RESULTS: Optimal cut-off value for pre-operative SUA in ROC analysis was 304.5 μ mol/l (sensitivity 67.46%, specificity 65.06%). SUA low- or high-levels were associated with gender (P< 0.001), smoking status (P< 0.001), pN statues (P= 0.003) and TNM stage (P= 0.010). SUA levels, tumor differentiation and pTNM stage were independent predictors of ESCC patient survival in a multivariate analysis. CONCLUSIONS: The pre-operative level of SUA is an independent prognostic predictor in ESCC patients who undergo R0 esophagectomy and patients with higher SUA level may have an unfavorable survival probability.
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