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Can routine outpatient follow-up of patients with bladder cancer be improved? A multicenter prospective observational assessment of blue light flexible cystoscopy and fulguration

Authors Zare R, Grabe M, Hermann GG, Malmström PU

Received 8 May 2017

Accepted for publication 9 April 2018

Published 9 October 2018 Volume 2018:10 Pages 151—157


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Jan Colli

Video abstract presented by Reza Zare

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Reza Zare,1 Magnus Grabe,2 Gregers G Hermann,3 Per-Uno Malmström4

1Department of Urology, Vestre Viken HF Bærum Hospital, Oslo, Norway; 2Department of Urology, Skåne University Hospital, University of Lund, Malmö, Sweden; 3Department of Urology, Herlev and Gentofte Hospital, Copenhagen University, Denmark; 4Department of Urology, Institute of Surgical Sciences, Uppsala University, Uppsala, Sweden

Background: The aim of this prospective cohort study was to determine the feasibility of incorporating blue light flexible cystoscopy (BLFC) and biopsy/fulguration into routine outpatient follow-up of non-muscle invasive bladder cancer patients.
Methods: The study included patients with non-muscle-invasive bladder cancer (NMIBC) who were scheduled for routine follow-up. Hexaminolevulinate was instilled in the outpatient department, and the bladder was examined under white light and then with BLFC. Biopsies were taken from all suspicious lesions. Small tumors and suspicious lesions were fulgurated on site; patients with larger lesions were referred to the operating room for resection.
Results: The study included 69 patients, with a mean age of 70 years (range 33–89 years) and a mean duration since NMIBC diagnosis of 8 years. Most patients had high-grade cancer at initial diagnosis (52/69) and were at high risk of recurrence (48/69). Two patients per hour could be assessed using outpatient BLFC. Preparation and instillation of hexaminolevulinate took less than 10 minutes per patient, and patients had an additional waiting time of 45–60 minutes following instillation, while the hexaminolevulinate solution was retained in the bladder before examination. Eleven patients had histologically confirmed tumors that were identified using both white light flexible cystoscopy and BLFC. An additional three patients had tumors that were identified by BLFC only: two with Ta tumors and one with carcinoma in situ. Of the 14 patients with confirmed tumors, 11 could be managed on site with fulguration, whereas three were referred to the operating room. No adverse events attributable to BLFC were reported.
Conclusion: Routine outpatient management of patients with NMIBC using BLFC and on-site biopsy/fulguration is feasible, despite the additional time required for hexaminolevulinate instillation, and appears to allow early detection of recurrent lesions, which can be fulgurated without the need for hospitalization.

Keywords: bladder cancer, blue light, diagnosis, flexible cystoscopy, hexaminolevulinate, outpatients

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