Vesicourachal diverticulum

Last revised by Ashesh Ishwarlal Ranchod on 31 Oct 2023

Vesicourachal diverticulum, or just urachal diverticulum, is one of the congenital urachal remnant abnormalities.

It is the proximal equivalent of a urachal umbilical sinus, representing a result of the failure of the urachus to close at the urinary bladder, forming an out-pouching of variable length from the anterosuperior aspect of the urinary bladder, which does not communicate with the umbilicus

This anomaly is identified as a urine-filled anterosuperior extension from the bladder dome on all imaging modalities. 

A urachal diverticulum frequently coexists with congenital obstruction of the lower urinary tract. Rarely a malignancy can arise within the diverticulum: see urachal carcinoma

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Cases and figures

  • Figure 1: vesicourachal diverticulum
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  • Case 1
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  • Case 2
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  • Case 3: infected vesicourachal diverticulum
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  • Case 4
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  • Case 5: with a calculus
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