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Updated: Jan 28, 2026

Retzius-Sparing Robot-Assisted Radical Prostatectomy
Published on: May 19, 2022
Prostatic artery pseudoaneurysm presenting with hematuria following robot-assisted radical prostatectomy: a case
Sotaro Kayano1,2, Ken Shibata1,2, Eriko Nishi1,2
1Department of Urology, SUBARU Health Insurance Society Ota Memorial Hospital, 455-1 Oshima-cho, Ota-shi, Gunma, 373-8585 Japan.
Abstract:
Pseudoaneurysm following robot-assisted radical prostatectomy is an infrequent complication. We present a rare case of gross hematuria caused by a pseudoaneurysm. A 76-year-old man was diagnosed with prostatic adenocarcinoma and underwent robot-assisted radical prostatectomy. On postoperative day 9, he presented with gross hematuria and clot retention, accompanied by anemia. Bladder irrigation was performed, resulting in improvement of the hematuria. Contrast-enhanced computed tomography revealed a pseudoaneurysm. As his hematuria improved and his vital signs remained stable, angiography was performed on postoperative day 10. This revealed a pseudoaneurysm arising from the prostatic artery, which was successfully treated with transcatheter arterial embolism. His postoperative course was uneventful, and he was discharged on postoperative day 14. Pseudoaneurysm after robot-assisted prostatectomy is rare but important to consider in patients with delayed hematuria. Early diagnosis and embolization can lead to good outcomes.
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