Abstract
Background
This study aimed to investigate the long-term oncologic outcomes of laparoscopic radical nephroureterectomy (LRNU) and open radical nephroureterectomy (ORNU) for patients with clinical and pathologic T3N0M0 upper tract urothelial carcinoma (UTUC).
Methods
Among 375 UTUC patients who underwent radical nephroureterectomy, this study identified 144 pT3N0M0 patients as cohort 1 after propensity score (PS) matching. Among 399 UTUC patients, the study identified 110 cT3N0M0 patients as cohort 2 after PS matching. Oncologic outcomes such as intravesical recurrence-free survival (IVRFS) and cancer-specific survival (CSS) were assessed by multivariate Cox’s regression analysis.
Results
Cohort 1 of pT3N0M0 UTUC had 3-year CSS and IVRFS rates of 67.9 and 52.7%, respectively, in the LRNU group, which were significantly lower than in the ORNU group (81.4%, p = 0.039 and 71.6%, p = 0.046). The multivariate Cox’s regression analysis identified the type of surgical approach (LRNU vs. ORNU) as one of the independent prognostic factors for CSS (hazard rate [HR], 1.88, p = 0.043) and IVRFS (HR, 1.75, p = 0.049). Cohort 2 of cT3N0M0 UTUC had 3-year CSS and IVRFS rates of 48.5 and 41.4%, respectively, in the LRNU group, which were significantly lower than in the ORNU group (65.8%, p = 0.049 and 67.2%, p = 0.047), and the type of surgical approach (LRNU vs. ORNU) remained as one of the independent prognostic factors for CSS and IVRFS.
Conclusions
Based on clinical and pathologic T3N0M0 UTUC populations after PS adjustments, LRNU resulted in poorer CSS and IVRFS than ORNU.
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Acknowledgment
This work was supported in part by Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (#10649875). The funders had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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Shigeta, K., Kikuchi, E., Abe, T. et al. Long-Term Oncologic Outcomes of Laparoscopic Versus Open Radical Nephroureterectomy for Patients with T3N0M0 Upper Tract Urothelial Carcinoma: A Multicenter Cohort Study with Adjustment by Propensity Score Matching. Ann Surg Oncol 26, 3774–3781 (2019). https://doi.org/10.1245/s10434-019-07623-1
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DOI: https://doi.org/10.1245/s10434-019-07623-1