The effectiveness of partial versus radical nephrectomy for pT3aN0M0 renal cell carcinoma: A propensity score analysis
Asian Journal of Surgery(2023)
Abstract
The survival benefit of partial nephrectomy (PN) in pT3a RCC patients is controversial. Here we aimed to explore the potential benefit of PN for pT3aN0M0 renal cell carcinoma (RCC). Data of patients with pT3aN0M0 RCC who were diagnosed between 2010 and 2012 in the National Cancer Institute Surveillance, Epidemiology, and End Results (SEER) database were retrospectively collected. Overall survival (OS) and cancer specific survival (CSS) were compared using a Cox proportional hazards model between PN and radical nephrectomy (RN) in pT3aN0M0 RCC. Propensity score (–adjusted, –stratified, –weighted, and –matched) analyses were performed to control for imbalances in individual risk factors. A total of 1277 patients with pT3aN0M0 RCC were identified, of whom 200 patients were treated with PN and 1077 patients were RN. PN showed favorable OS and CSS in 0–4 cm pT3aN0M0 RCC (P < 0.05), and similar OS and CSS in 4–7 cm pT3aN0M0 RCC, compared with RN using un-adjusted analyses. The Propensity score analyses further demonstrated the survival benefit of PN compared with the RN in 0–4 cm pT3aN0M0 RCC (P < 0.05). In this retrospective study, PN was associated with improved survival compared with RN in 0–4 cm pT3aN0M0 RCC. Moreover, survival was comparable between PN and RN in 4–7 cm pT3aN0M0 RCC. These data provided evidence that PN could be an alternative choice for T3aN0M0 RCC less than 7 cm. Particularly, patients with 0–4 cm pT3aN0M0 RCC might benefit from PN.
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Key words
radical nephrectomy,renal cell carcinoma,pt3an0m0
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