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  • Title: Increased preoperative serum C-reactive protein level predicts a poor prognosis in patients with localized renal cell carcinoma.
    Author: Komai Y, Saito K, Sakai K, Morimoto S.
    Journal: BJU Int; 2007 Jan; 99(1):77-80. PubMed ID: 16956357.
    Abstract:
    OBJECTIVE: To evaluate the value of the preoperative serum C-reactive protein (CRP) level in the prognosis of patients with localized renal cell carcinoma (RCC). PATIENTS AND METHODS: The study comprised 101 patients who had a radical nephrectomy for localized RCC (pT1-3N0M0). An elevated CRP was defined as >0.5 mg/dL before surgery. Survival rates for each variant were calculated using the Kaplan-Meier method, with the difference between survival curves evaluated using the log-rank test. Multivariate analysis was by Cox proportional hazard model; for all analyses the difference was considered significant when P < 0.05. RESULTS: The median (range) follow-up was 55 (2-187) months; 26 patients (26%) had high CRP levels, and 12 (46%) of these and three (4.0%) of the remaining 75 died from disease. The 5- and 10-year disease-specific survival rates (75% and 30%, respectively) in patients with high CRP levels were significantly worse than those in patients with normal CRP levels (both 93%, P < 0.001). In other variants, preoperative haemoglobin concentration, pathological stage, grade, histological type and microvascular tumour invasion were also related to disease-specific survival. By the Cox proportional hazards model, pathological stage and an elevated CRP were the most important prognostic factors for disease-specific survival in patients with localized RCC (P = 0.008 and 0.012, respectively). CONCLUSION: The preoperative CRP level was associated with poor survival in patients with localized RCC.
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