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논문 기본 정보

자료유형
학술저널
저자정보
William John Yaxley (Department of Urology QEII Jubilee Hospital Brisbane Australia.) Troy Gianduzzo (The University of Queensland School of Medicine) Boon Kua (Wesley Hospital) Rachel Oxford (Wesley Hospital) John William Yaxley (The University of Queensland School of Medicine Brisbane Australia.)
저널정보
대한비뇨기과학회 Investigative and Clinical Urology Investigative and Clinical Urology Vol.63 No.3
발행연도
2022.5
수록면
285 - 293 (9page)
DOI
https://doi.org/10.4111/icu.20210472

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Purpose: Focal irreversible electroporation (IRE) for prostate cancer aims to reduce quality of life complications, however outcomes data remains limited. We aimed to evaluate histological in-field clearance of prostate cancer at ≥12 months post-IRE. Materials and Methods: Retrospective review of prospectively acquired data of consecutive patients treated between August 2018 and August 2021. Significant recurrence was defined as a ≥6 mm core Gleason 3+3, or ≥Gleason 3+4 with ≥4 mm tumour length. A second definition of any focus of International Society of Urological Pathology (ISUP) ≥2 was also analysed. Results: The median follow-up of the entire cohort is 23 months (range 3?39 mo). For 64 primary IRE procedures, surveillance biopsy was performed in 40/50 (80.0%) with ≥12 months follow-up. Significant in-field recurrence occurred in 3/40 (7.5%), or 4/40 (10.0%) with any focus of ISUP >2. Significant out-of-field recurrence occurred in 5/40 (12.5%). In salvage IRE, three patients (3/6, 50.0%) have undetectable prostate-specific antigen levels, two have no residual cancer on biopsy and one patient had out-of-field recurrence. For sexually active men, erectile function was maintained in 24/28 (85.7%) of primary IRE. No incontinence developed in primary IRE (0/64). Conclusions: Focal primary IRE for prostate cancer is associated with 90% infield ablation of any ISUP grade >2 cancer with a low risk of urinary incontinence or impotence. Surveillance prostate biopsies are required to exclude progression despite a normal post-IRE multiparametric magnetic resonance imaging (mpMRI). Salvage IRE is a promising option for localised recurrence after prostate radiotherapy with low morbidity.

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