The Journal of urology · 2021
The Impact of Upper Tract Urothelial Carcinoma Diagnostic Modality on Intravesical Recurrence after Radical Nephroureterectomy: A Single Institution Series and Updated Meta-Analysis.
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Sharma Vidit, Miest Tanner S, Juvet Tristan S, Toussi Amir, Packiam Vignesh, Chamie Karim, Matin Surena F, Boorjian Stephen A, Thompson R Houston, Frank Igor, Tollefson Matthew K, Potretzke Aaron M
Аннотация
PURPOSE: Diagnostic ureteroscopic biopsy for upper tract urothelial carcinoma (UTUC) has been hypothesized to increase intravesical recurrence of urothelial carcinoma after radical nephroureterectomy (RNU). Moreover, the impact of ureteroscopy without biopsy or percutaneous biopsy on intravesical recurrence remains unknown. Herein, we compared post-RNU intravesical recurrences across UTUC diagnostic modalities.
MATERIALS AND METHODS: Patients undergoing RNU at our institution between 1995 and 2019 were categorized by UTUC diagnostic modality: 1) no ureteroscopy or percutaneous biopsy; 2) percutaneous biopsy; 3) ureteroscopy without biopsy; 4) ureteroscopic biopsy. Intravesical recurrences were compared using Kaplan-Meier analyses and Cox-proportional hazard models. Results of group 4 vs 1 were pooled with the literature using a fixed effects meta-analysis.
RESULTS: In a cohort of 834 RNU patients, 210 (25.2%) had undergone no ureteroscopy, 57 (6.6%) percutaneous biopsy, 125 (15.0%) ureteroscopy without biopsy, and 442 (53.0%) ureteroscopic biopsy. Two-year intravesical recurrence rates were 15.0%, 12.7%, 18.4%, and 21.9% for groups 1 through 4, respectively (p=0.09). Multivariable analysis found that group 4 had increased intravesical recurrences (HR 1.40, p=0.04) relative to group 1 while group 2 (HR 1.07, p=0.87) and group 3 (HR 1.15, p=0.54) did not. Group 4 remained associated with intravesical recurrence on subset analyses accounting for post-RNU surveillance cystoscopy frequency. On meta-analysis including 11 other series, ureteroscopic biopsy was associated with intravesical recurrence (HR 1.47, p <0.01).
CONCLUSIONS: Ureteroscopic biopsy before RNU, but not percutaneous biopsy or ureteroscopy without biopsy, was associated with increased intravesical recurrence. Clinical trials of intravesical chemotherapy after ureteroscopic biopsy are warranted to reduce intravesical recurrences.
MATERIALS AND METHODS: Patients undergoing RNU at our institution between 1995 and 2019 were categorized by UTUC diagnostic modality: 1) no ureteroscopy or percutaneous biopsy; 2) percutaneous biopsy; 3) ureteroscopy without biopsy; 4) ureteroscopic biopsy. Intravesical recurrences were compared using Kaplan-Meier analyses and Cox-proportional hazard models. Results of group 4 vs 1 were pooled with the literature using a fixed effects meta-analysis.
RESULTS: In a cohort of 834 RNU patients, 210 (25.2%) had undergone no ureteroscopy, 57 (6.6%) percutaneous biopsy, 125 (15.0%) ureteroscopy without biopsy, and 442 (53.0%) ureteroscopic biopsy. Two-year intravesical recurrence rates were 15.0%, 12.7%, 18.4%, and 21.9% for groups 1 through 4, respectively (p=0.09). Multivariable analysis found that group 4 had increased intravesical recurrences (HR 1.40, p=0.04) relative to group 1 while group 2 (HR 1.07, p=0.87) and group 3 (HR 1.15, p=0.54) did not. Group 4 remained associated with intravesical recurrence on subset analyses accounting for post-RNU surveillance cystoscopy frequency. On meta-analysis including 11 other series, ureteroscopic biopsy was associated with intravesical recurrence (HR 1.47, p <0.01).
CONCLUSIONS: Ureteroscopic biopsy before RNU, but not percutaneous biopsy or ureteroscopy without biopsy, was associated with increased intravesical recurrence. Clinical trials of intravesical chemotherapy after ureteroscopic biopsy are warranted to reduce intravesical recurrences.