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Laparoscopic renal cryoablation: 8-year, single surgeon outcomes
Monish Aron1, Kazumi Kamoi, Erick Remer
1Catherine and Joseph Aresty Department of Urology, University of Southern California Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA. monisharon@hotmail.com
The Journal of Urology
|January 22, 2010
Summary
Laparoscopic renal cryoablation offers effective oncological outcomes for select renal masses. This minimally invasive procedure shows a 5-year disease-specific survival rate of 92% and a 10-year rate of 83%.
Area of Science:
- Urology
- Oncology
- Minimally Invasive Surgery
Background:
- Renal masses require effective oncological treatment.
- Laparoscopic renal cryoablation is a minimally invasive option.
- Long-term oncological outcomes need evaluation.
Purpose of the Study:
- To assess oncological outcomes of laparoscopic renal cryoablation.
- To evaluate survival rates in patients with renal masses treated laparoscopically.
- To identify predictors of survival after renal cryoablation.
Main Methods:
- Retrospective analysis of 80 patients undergoing laparoscopic renal cryoablation (1997-2008).
- Minimum 5-year follow-up with MRI and biopsy.
- Multivariate analysis to determine survival predictors.
Main Results:
- 5-year disease-specific survival: 92%; 10-year: 83%.
- 5-year disease-free survival: 81%; 10-year: 78%.
- Previous radical nephrectomy for renal cell carcinoma predicted survival (p=0.023).
Conclusions:
- Laparoscopic renal cryoablation is an effective oncological treatment for select renal masses.
- High long-term survival rates are achievable.
- Prior radical nephrectomy is a significant predictor of outcomes.
