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ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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2/2019
vol. 14
 
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abstract:
Original paper

Does restaging transurethral resection of bladder tumor influence outcomes in patients treated with BCG immunotherapy? 491 cases in 20 years’ experience

Wojciech Krajewski
,
Romuald Zdrojowy
,
Katarzyna Kościelska-Kasprzak
,
Janusz Dembowski
,
Michał Wróbel
,
Mateusz Łuczak
,
Anna Kołodziej

Videosurgery Miniinv 2019; 14 (2): 284–296
DOI: https://doi.org/10.5114/wiitm.2018.79993
Online publish date: 2018/12/19
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Introduction
Bladder cancer is one of the most common malignancies worldwide.

Aim
To analyse the influence of restaging transurethral resection of bladder tumour (reTURB) on outcomes in patients treated with BCG immunotherapy.

Material and methods
We analysed a database of 491 patients who were treated in a Bacillus Calmette-Guérin (BCG) outpatient department between 1998 and 2016. A minimum of 12 months of follow-up was required. The study included 235 patients with a history of the reTURB procedure and 256 patients without reTURB. The patients were analysed in terms of recurrence-free (RFS), progression-free (PFS), cancer-specific and overall survival.

Results
The RFS was significantly higher in the reTURB group for both general and subgroup analysis (T1HG, TaHG). The PFS was significantly higher in the reTURB group for both general and subgroup analysis (TaHG). In patients without lamina muscularis in the specimen there was a greater improvement in RFS due to the reTURB procedure than for other patients. ReTURB performed in T1 tumours with massive lamina propria infiltration had a positive influence on RFS. In patients with reTURB the presence of focal invasion was related to lower risk of progression. Both overall and cancer-specific survival were significantly improved by the reTURB procedure in T1HG and HG tumours.

Conclusions
This study highlights the importance of reTURB. It was found that the patients with TaHG tumours benefited the most in terms of RFS, PFS and cancer-specific survival. It was also demonstrated that massive lamina propria infiltration in T1 tumours is associated with the worst outcomes.

keywords:

non-muscle invasive bladder cancer, recurrence, progression, BCG immunotherapy, return
  
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