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Urol Case Rep. 2016 Oct 7;9:58-61. eCollection 2016 Nov.

Persistent Urinary Incontinence After Nephrectomy: A Case of Inverted-Y Ureteral Duplication with Ectopic Ureteral Insertion into the Vagina.

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Department of Urology, University of Yamanashi Graduate School of Medical Science, Chuo, Yamanashi, Japan.


Inverted-Y ureteral duplication is one of the rarest anomalies of ureteral branching. We encountered a 20-year-old female patient with persistent incontinence even after nephrectomy for ectopic ureteral insertion into the vagina. She had inverted-Y ureteral duplication between the bladder and vagina, and urine was being transported from the bladder to the vagina. To the best of our knowledge, this is a rare case of inverted-Y ureteral duplication with ectopic ureteral insertion into the vagina as well as the ureter into the bladder, which became apparent due to persistent urinary incontinence even after nephrectomy.


Ectopic; Incontinence; Inverted-Y duplication; Ureter

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