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Transurethral en bloc resection with bipolar button electrode for non-muscle invasive bladder cancer

  • Urology - Original Paper
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Abstract

Purpose

Transurethral resection of bladder tumor (TURBT) using a wire loop is considered the gold standard for staging and treating non-muscle invasive bladder cancer (NMIBC). TURBT is associated with serious disadvantages that facilitate tumor recurrence. The present study evaluated the safety and efficacy of the bipolar button electrode for en bloc resection of NMIBC.

Methods

From January 2013 to July 2016, 82 consecutive patients newly diagnosed with NMIBC received transurethral en bloc resection with bipolar button electrode. Operative details, pathological result, and intraoperative and postoperative complications regarded as safety outcomes were documented. Each patient was followed up for ≥ 18 months.

Results

A total of 118 neoplasms were removed en bloc from 82 patients. The mean tumor diameter was 2.42 ± 1.34 cm. The average operation time was 35 ± 14 min. No complications such as bladder bleeding, vesicle perforation, and obturator nerve reflex occurred during the treatment. Pathological evaluations showed urothelial carcinoma with stage Ta low grade in 26 patients, T1 high grade in 51 patients, and T2 high grade in 5 patients. In addition, the bladder detrusor muscle layer was provided in all cases. The 18-month recurrence-free survival was 88.5% (23/26) and 74.5% (38/51) for Ta and T1 patients, respectively.

Conclusions

The current results demonstrated that transurethral en bloc resection with bipolar button electrode is an effective, feasible, and safe treatment for NMIBC.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 81472389).

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Authors and Affiliations

  1. Department of Urology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, No. 301 Yanchang Road, Shanghai, 200092, China

    Junfeng Zhang, Longsheng Wang, Shiyu Mao, Mengnan Liu, Wentao Zhang, Ziwei Zhang, Yadong Guo, Bisheng Huang, Yang Yan & Xudong Yao

  2. Department of Urology, Affiliated Hospital of Inner Mongolia Medical University, No. 1 North Tongdao Road, Huhhot, 010050, China

    Yong Huang

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  1. Junfeng Zhang
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  2. Longsheng Wang
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Correspondence to Xudong Yao.

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The authors declare no conflict of interest.

Ethics approval

All procedures involving human participants were performed in accordance with the ethical standards of the Institutional Research Committee and the 1964 Declaration of Helsinki. Informed consent was obtained from all individual participants included in the study.

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Zhang, J., Wang, L., Mao, S. et al. Transurethral en bloc resection with bipolar button electrode for non-muscle invasive bladder cancer. Int Urol Nephrol 50, 619–623 (2018). https://doi.org/10.1007/s11255-018-1830-0

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  • DOI: https://doi.org/10.1007/s11255-018-1830-0

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