前立腺全摘除術前の膀胱鏡検査で偶然発見された膀胱癌の検討

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タイトル別名
  • Bladder Cancer Detected Incidentally by Cystoscopy before Radical Prostatectomy
  • ゼンリツセン ゼンテキジョジュツゼン ノ ボウコウキョウ ケンサ デ グウゼン ハッケン サレタ ボウコウ ガン ノ ケントウ

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Radical prostatectomy is the treatment of choice for localized prostate cancer. In our institution, preoperative cystoscopy is performed routinely to clarify the prostate anatomy, including the median lobe and position of ureteral orifices. We conducted a retrospective analysis of 721 patients, from January 2008 to December 2022, our aim being to assess the clinical course of bladder cancer discovered incidentally through cystoscopy prior to radical prostatectomy. We found that bladder cancer was detected in eight of these patients (1.1%), seven of whom had low-grade, non-invasive, papillary urothelial carcinomas ; the remaining patient had a high-grade lesion. Notably, the pathological stage was Ta in all cases. The median duration of follow-up of patients with bladder cancer was initially set at 21 months (12-24 months). During the follow-up period, bladder cancer recurrence was identified in three patients. Patients who remained recurrence-free beyond the follow-up period underwent radical therapy. Importantly, no evidence of prostate cancer progression was detected throughout the follow-up period. Thus, incidental bladder cancer detected prior to radical prostatectomy is predominantly non-invasive, ensuring safe treatment of both the bladder and prostate cancers. Our findings suggest that cystoscopy could be omitted.

収録刊行物

  • 泌尿器科紀要

    泌尿器科紀要 70 (2), 39-43, 2024-02-29

    泌尿器科学術研究会

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