Abstract
Purpose
Preoperative elevation of markers of systemic inflammation is associated with a poor outcome in several cancers. The purpose of this study was to evaluate the prognostic significance of preoperative systemic inflammatory markers in patients with non-metastatic upper urinary tract cancer (UUTC).
Methods
The records of 84 patients with non-metastatic UUTC who had undergone nephroureterectomy were reviewed, and the associations between preoperative clinical variables and recurrence-free survival (RFS) were analyzed by univariate and multivariate analyses.
Results
Clinical tumor stage, neutrophil count, and neutrophil-to-lymphocyte ratio were significantly associated with RFS in univariate analysis. Multivariate analysis showed that clinical T stage (hazard ratio [HR], 3.009; 95 % confidence interval [CI], 1.149–9.321; p = 0.024) and neutrophil count (HR, 3.521; 95 % CI, 1.423–9.108; p = 0.007) were independent predictors of RFS. The 3-year RFS in patients with a neutrophil count <4,000/μL was significantly higher than that in patients with a neutrophil count ≥4,000/μL (82.9 vs. 51.0 %, p = 0.004). Based on clinical T stage (T2 or less vs. T3 or greater) and neutrophil count (<4,000 vs. ≥4,000/μL), patients were stratified into 3 groups: low, intermediate, and high risk groups. RFS rates were significantly different between the 3 groups (p = 0.0005).
Conclusions
Preoperative neutrophil count was an independent predictor of RFS in patients with non-metastatic UUTC. Stratification of patients based on neutrophil count and clinical T stage may be valuable for preoperative patient counseling and identifying patients with poor prognosis who may be candidates for neoadjuvant chemotherapy.
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Acknowledgments
This study was partially supported by the “Strategic Research-Based Support” Project for private universities with matching funds from MEXT (Ministry of Education, Culture, Sports, and Science), Japan.
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Hashimoto, T., Ohno, Y., Nakashima, J. et al. Clinical significance of preoperative peripheral blood neutrophil count in patients with non-metastatic upper urinary tract carcinoma. World J Urol 31, 953–958 (2013). https://doi.org/10.1007/s00345-012-0942-x
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DOI: https://doi.org/10.1007/s00345-012-0942-x