Abstract
Purpose
The purpose of the study was to evaluate the effect of second-look ureteroscopy (SU) in the endoscopic operative work-up of patients with upper tract urothelial carcinoma (UTUC).
Materials and methods
Patients with UTUC who underwent SU between 2016 and 2021 were included. Cancer detection rate (CDR) at SU was defined as endoscopic visualization of tumor. The effect of SU on recurrence-free survival (RFS), radical nephroureterectomy-free survival (RNU-FS), bladder cancer-free survival (BC-FS), and cancer-specific survival (CSS) was estimated using the Kaplan–Meier method. Multivariate logistic regression analysis (MLR) assessed predictors of negative SU. Finally, we evaluated the effect of SU timing on oncological outcomes, classifying SUs as “early” (≤ 8 weeks) and “late” (> 8 weeks).
Results
Overall, 85 patients underwent SU. The CDR at SU was 44.7%. After a median follow-up was 35 (IQR: 15–56) months, patients with positive SU had a higher rate of UTUC recurrence (47.4% vs 19.1%, p = 0.01) and were more frequently radically treated (34.2% vs 8.5%, p = 0.007). Patients with high-grade disease (hazard ratio [HR]: 3.14, 95% CI 1.18–8.31; p = 0.02) had a higher risk of UTUC recurrence, while high-grade tumor (HR: 3.87, 95%CI 1.08–13.77; p = 0.04) and positive SU (HR: 4.56, 95%CI 1.05–22.81; p = 0.04) were both predictors of RNU. Low-grade tumors [odds ratio (OR): 5.26, 95%CI 1.81–17.07, p = 0.003] and tumor dimension < 20 mm (OR: 5.69, 95%CI 1.48–28.31, p = 0.01) were predictors of negative SU. Finally, no significant difference emerged regarding UTUC recurrence, RNU, BC-FS, and CSM between early vs. late SUs (all p > 0.05).
Conclusions
SU may help in identifying patients with UTUC experiencing an early recurrence after conservative treatment. Patients with low-grade and small tumors are those in which SU could be safely postponed after 8 weeks.
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Data availability
The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- NSS:
-
Nephron-sparing surgery
- SU:
-
Second-look ureteroscopy
- UTUC:
-
Upper tract urothelial carcinoma
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AG, GB, AT, PV, JMG, FS, JA, PI, AU, PD, JH, FA, JP, and AB helped in protocol/project development. AG and GB helped in data collection or management. GB helped in data analysis. GB, AG, and AB contributed to manuscript writing/editing.
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Gallioli, A., Basile, G., Territo, A. et al. The importance of second-look ureteroscopy implementation in the conservative management of upper tract urothelial carcinoma. World J Urol 41, 2743–2749 (2023). https://doi.org/10.1007/s00345-023-04577-8
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DOI: https://doi.org/10.1007/s00345-023-04577-8