Case reports in nephrology and dialysis · 2025
Bladder Stone Incarceration in Posterior Urethral Valve Leading to Urinary Retention: A Case Report.
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Huang Limin, Liu Fei, Wang Yanfei, Jin Yanyan, Zhang Yingying, Fu Haidong, Mao Jianhua
Аннотация
INTRODUCTION: Posterior urethral valve (PUV) and vesical calculus are individually among the most common causes of obstructive lower urinary symptoms in children. Intermittent urinary retention can be caused by a combination of PUVs and bladder stones. There are very few reports of an association between PUVs and bladder calculus.
CASE PRESENTATION: We present a case of intermittent urinary retention resulting from a stone obstructing the PUV. The patient experienced intermittent urinary retention for over a month. A computed tomography scan revealed a bladder stone in the posterior urethra. The intracorporeal lithotripsy for calculus with fulguration of the PUV was performed using holmium:YAG laser.
CONCLUSION: For any boy presenting with urinary retention, we recommend a thorough urethral assessment; the absence of significant abnormalities in the urethra on voiding cystourethrography cannot rule out the presence of relevant PUV; hence, bladder endoscopy may sometimes be required for further evaluation, to rule out vesical calculus and potential PUVs.
CASE PRESENTATION: We present a case of intermittent urinary retention resulting from a stone obstructing the PUV. The patient experienced intermittent urinary retention for over a month. A computed tomography scan revealed a bladder stone in the posterior urethra. The intracorporeal lithotripsy for calculus with fulguration of the PUV was performed using holmium:YAG laser.
CONCLUSION: For any boy presenting with urinary retention, we recommend a thorough urethral assessment; the absence of significant abnormalities in the urethra on voiding cystourethrography cannot rule out the presence of relevant PUV; hence, bladder endoscopy may sometimes be required for further evaluation, to rule out vesical calculus and potential PUVs.