Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/39174
Title: Concomitant Bladder Tumor Is a Risk Factor for Bladder Recurrence but Not Upper Tract
Authors: Liu, Kang
Zhao, Hongda
Alvarez-Maestro, Mario
Gravas, Stavros
VAN RENTERGHEM, Koenraad 
Zeng, Guohua
Ng, Chi-Fai
Laguna, Pilar
Teoh, Jeremy Yuen-Chun
De La Rosette, Jean
Issue Date: 2022
Publisher: MDPI
Source: Current Oncology, 29 (12) , p. 9284 -9293
Abstract: Objective: To evaluate the clinical outcomes of UTUC patients with or without concurrent bladder tumor. Design, Setting, and Participants: The Clinical Research Office of the Endourology Society-Urothelial Carcinomas of the Upper Tract (CROES-UTUC) Registry included 1134 UTUC patients with or without concurrent bladder tumor treated between 2014 and 2019. Results: In 218 (19.2%) cases, concurrent bladder tumor was present, while in 916 (80.8%) patients, no bladder cancer was found. In the multivariable Cox regression analysis, concomitant bladder tumor (hazard ratio (HR) 1.562, 95% confidence interval (CI) 0.954-2.560, p = 0.076) indicated a trend associated with recurrence-free survival for UTUC. Further data dissection confirmed that concomitant bladder tumor is a risk factor of bladder recurrence (HR 1.874, 95% CI 1.104-3.183, p = 0.020) but not UTUC recurrence (HR 0.876, 95% CI 0.292-2.625, p = 0.812). Kidney-sparing surgery (KSS) (HR 3.940, 95% CI 1.352-11.486, p = 0.012), pathological T staging >= pT2 (HR 2.840, 95% 1.039-7.763, p = 0.042) were significantly associated with UTUC recurrence. KSS does not affect bladder recurrence (HR 0.619, 95% CI 0.242-1.580, p = 0.315). A limitation is the retrospective nature of the present study analysis. Conclusions: The presence of concomitant bladder tumor does not increase risk of UTUC recurrence, but it results in an increased risk of bladder recurrence. KSS does not affect bladder recurrence and can still be considered in patients with concomitant bladder tumor.
Notes: Teoh, JYC (corresponding author), Chinese Univ Hong Kong, SH Ho Urol Ctr, Dept Surg, Hong Kong 999077, Peoples R China.
jeremyteoh@surgery.cuhk.edu.hk
Keywords: concomitant bladder tumor;upper tract urothelial carcinoma;kidney-sparing surgery;recurrence-free survival
Document URI: http://hdl.handle.net/1942/39174
ISSN: 1198-0052
e-ISSN: 1718-7729
DOI: 10.3390/curroncol29120727
ISI #: 000900604800001
Rights: 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
Category: A1
Type: Journal Contribution
Appears in Collections:Research publications

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