Abstract
To analyse the mid-term oncological results and to asses predictive factors for recurrence and survival after nephron-sparing surgery (NSS) for renal cell carcinoma. This is a retrospective study that includes 198 Partial Nephrectomies performed at our institution for malignant renal tumours. Demographic information and pathological characteristics were obtained, and completed statistical analysis was performed to assess predictors for overall survival (OS) and overall recurrence in our sample. The presence of positive surgical margins (PSM) in the surgical specimen was reported in 13.6 %. At a median of follow-up of 56.1 months, the non-adjusted cancer-specific mortality, DSS and OS were 100, and 93.4 %, respectively. In the bivariate analysis regarding predictive factors for recurrence, bilaterality and NSS indication (elective or imperative) were statistically significant (p = 0.03 and p = 0.05 respectively). On multivariate analysis only bilaterality was a significant predictor of recurrence (p = 0.03), while high Fuhrman grade was for survival (p = 0.006). Our data suggest that patients with bilateral tumours have a higher incidence of local recurrence. Regarding overall survival, our data showed more risk of death at 5 years in those patients with high Fuhrman grade. No differences were found among PSM and negative surgical margins patients regarding oncological outcomes.
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