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Comparison of laparoscopic radical nephrectomy and open radical nephrectomy for pathologic stage T1 and T2 renal cell carcinoma with clear cell histologic features: a multi-institutional study

Authors
 Wooju Jeong ; Koon H. Rha ; Sung H. Hong ; Young B. Jeong ; Seung H. Jeon ; Gyung T. Sung ; Ill Y. Seo ; Tae G. Kwon ; Seok-Soo Byun ; Hyeon H. Kim 
Citation
 Urology, Vol.77(4) : 819~824, 2011 
Journal Title
 Urology 
ISSN
 0090-4295 
Issue Date
2011
Abstract
OBJECTIVES: To assess the oncologic efficacy of laparoscopic radical nephrectomy (LRN) compared with open radical nephrectomy (ORN) in patients with clear cell renal cell carcinoma (RCC). METHODS: We analyzed the data from 2561 patients who had undergone radical nephrectomy for RCC at 26 institutions in Korea from June 1998 to December 2007. The clinical data of 631 patients with clear cell RCC in the LRN group were compared with the clinical data of 924 patients in the ORN group. The patients with Stage pT3 or greater and those with lymph node or distant metastases were excluded to avoid a selection bias. To evaluate the technical adequacy and oncologic outcome, we compared the perioperative parameters and 5-year overall and disease-free survival rates. RESULTS: The operative time was significantly longer in the LRN group than in the ORN group (219 ± 77 vs 182 ± 62 minutes, P < .001), but the estimated blood loss and complication rate were significantly lower in the LRN group than in the ORN group (P < .001 and P < .001, respectively). On univariate analysis, the LRN group had 5-year overall (93.5% vs 89.8%, P = .120) and recurrence-free (94.0% vs 92.8%, P = .082) survival rates equivalent to those of the ORN group. Even after adjusting for age, sex, T stage, tumor grade, and body mass index in a Cox proportional hazards model, statistically significant differences between the 2 groups were not found for the 5-year overall (hazard ratio 1.523, P = .157) and recurrence-free (hazard ratio 0.917, P = .773) survival rates. CONCLUSIONS: Our large multi-institutional data have shown that LRN provides survival outcomes equivalent to those of ORN in patients with Stage pT1-T2 clear cell RCC.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/94293
DOI
10.1016/j.urology.2010.06.024
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Urology
Yonsei Authors
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Link
 http://www.sciencedirect.com/science/article/pii/S0090429510008563
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