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Updated: Feb 7, 2026
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Modeling Spontaneous Metastatic Renal Cell Carcinoma mRCC in Mice Following Nephrectomy
Published on: April 29, 2014
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Minimally Invasive Partial versus Radical Nephrectomy for Non-metastatic pT3a Renal Cell Carcinoma: a Multicenter
Xiangpeng Zou1,2, Zhenhua Liu1,2, Yunhan Luo1,2
1Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China.
Summary
Minimally invasive partial nephrectomy (MIS-PN) offers comparable oncologic outcomes to radical nephrectomy (MIS-RN) for pT3aN0M0 renal cell carcinoma (RCC). MIS-PN demonstrates superior renal function preservation, making it a viable option for selected patients.
Area of Science:
- Urology
- Oncology
- Nephrology
Background:
- Minimally invasive surgery is increasingly used for renal cell carcinoma (RCC).
- Partial nephrectomy (PN) aims to preserve renal function, while radical nephrectomy (RN) involves complete tumor removal.
- Evaluating oncological and functional outcomes is crucial for treatment decisions in pT3aN0M0 RCC.
Purpose of the Study:
- To compare oncological and functional outcomes of minimally invasive partial nephrectomy (MIS-PN) versus minimally invasive radical nephrectomy (MIS-RN).
- To assess recurrence-free survival (RFS) and renal function preservation in patients with pT3aN0M0 RCC.
Main Methods:
- Multicenter retrospective study of 303 patients with pT3aN0M0 RCC.
- Propensity score matching (PSM) and inverse probability weighting (IPW) were used to balance patient characteristics.
- Kaplan-Meier survival analysis and multivariable analyses (MVA) evaluated oncological and functional outcomes, including chronic kidney disease (CKD-S).
Main Results:
- No significant difference in recurrence-free survival (RFS) between MIS-PN and MIS-RN after PSM.
- MIS-RN was independently associated with a higher risk of developing chronic kidney disease (CKD-S) postoperatively.
- MIS-RN was also identified as a risk factor for more severe CKD (CKD-S3b) at the new baseline.
Conclusions:
- MIS-PN provides comparable oncological outcomes to MIS-RN for pT3aN0M0 RCC.
- MIS-PN offers superior renal function preservation compared to MIS-RN.
- MIS-PN is a viable option for selected pT3a RCC patients requiring nephron preservation.
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