CASE REPORT article
Front. Oncol.
Sec. Cancer Imaging and Image-directed Interventions
This article is part of the Research TopicInnovations in Treating Ureteral Strictures and Upper Urinary Tract IssuesView all 5 articles
Case report: a misdiagnosed large bladder stone after laparoscopic radical prostatectomy and literature review
Provisionally accepted
- 1Yinzhou No.2 Hospital, Ningbo, China
- 2ningbo urology and nephrology hospital, Ningbo, Zhejiang Province, China
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Large bladder stone is uncommon disease, and its diagnosis is sometimes challenging. Herein we reported the case of a 75-year-old male patient who was admitted to undergo open cystostomy for a diagnosis of "urinary incontinence, urethral stricture, post-radical prostatectomy state, and urinary tract infection". But during the operation, we found that he was miss-diagnosed by preoperative MRI examination, and he had a large bladder stone measuring about 6×5 cm and weighing 105 grams. Furthermore, the stone was found to be caused by a migrated Hem-o-lok clip originating from the previous laparoscopic radical prostatectomy. The eventual treatment is open cystolithotomy. Postoperatively, careful re-interpretation of the MRI film revealed a stone in the bladder. But the large stone was missed preoperatively. Doctors should be aware of the characteristics of bladder stone on MRI examination, and the diagnosis of bladder stones formed by foreign bodies requires a combination of multiple imaging methods to be confirmed.
Keywords: Bladder stone, case report, prostate cancer, Misdiagnosis, Hem-o-lok
Received: 23 Dec 2024; Accepted: 24 Nov 2025.
Copyright: © 2025 Gao and Xu. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Wenbo Gao
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