Abstract
The urinary duct, or urachus, is a tubular structure that drains the bladder and connects it to the umbilical cord to divert urine to the amniotic fluid. It is an extra-fetal temporary organ. It is generally believed that as the embryo develops, such structures usually regress or undergo natural obliteration (overgrowth) and at child's birth turn into a thin fibromuscular bundle, i.e. the middle vesicolumilical ligament. But in the literature, one can find data on the remaining rudimentary lumen in full-term healthy children. The authors describe a clinical case of a 6-year-old child with an urachus cyst that required surgical treatment.
References
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