Urachal fistula

A urachal fistula is a congenital disorder caused by the persistence of the allantois (later, urachus), the structure that connects an embryo's bladder to the yolk sac. Normally, the urachus closes off to become the median umbilical ligament; however, if it remains open, urine can drain from the bladder to an opening by the umbilicus.[1]

Urachal fistula
SpecialtyUrology

This condition is a rare defect, mostly found in children, and is also known as an open or patent urachus[2][3]

References
  1. Sadler, Thomas W. (2011-12-15). Langman's Medical Embryology. Lippincott Williams & Wilkins. ISBN 9781451113426.
  2. "Patent urachus repair". MedlinePlus.
  3. Hassan, Shadwa; Koshy, June; Sidlow, Richard; Leader, Hadassa; Horowitz, Mark (2017). "To excise or not to excise infected urachal cysts: A case report and review of the literature". Journal of Pediatric Surgery Case Reports. 22: 35–38. doi:10.1016/j.epsc.2017.05.003.


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