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Urachal sinus is a type of congenital urachal anomaly resulting from the failure of the umbilical end of the urachus to close, without continuity to the bladder, and that is usually asymptomatic but can present with continuous cloudy umbilical discharge, tender midline infraumbilical mass and fever when infected.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for urachal sinus.
7 publications have been identified in PubMed for urachal sinus. Research spans Case Report / Case Series (86%) and Other (14%).
Karna S (2026). [PMID: 41487973](https://pubmed.ncbi.nlm.nih.gov/41487973/). *Clin Case Rep*. [Case Report / Case Series]
Di Mento C (2026). [PMID: 41804887](https://pubmed.ncbi.nlm.nih.gov/41804887/). *J Laparoendosc Adv Surg Tech A*. [Other]
Ibrahim MT (2025). [PMID: 41211096](https://pubmed.ncbi.nlm.nih.gov/41211096/). *J Med Cases*. [Case Report / Case Series]
Santos C (2025). [PMID: 40951068](https://pubmed.ncbi.nlm.nih.gov/40951068/). *Cureus*. [Case Report / Case Series]
Akshitha E (2025). [PMID: 40199592](https://pubmed.ncbi.nlm.nih.gov/40199592/). *BMJ Case Rep*. [Case Report / Case Series]
Cairo S (2025). [PMID: 39974303](https://pubmed.ncbi.nlm.nih.gov/39974303/). *Urol Case Rep*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 10:41 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Khemchand AK (2024). [PMID: 39095981](https://pubmed.ncbi.nlm.nih.gov/39095981/). *J Minim Access Surg*. [Case Report / Case Series]