congenital urachal anomaly urachal cyst https://www.malacards.org/card/urachal_cyst MONDO:0018844 MEDGEN:21770 icd11.foundation:1125432593 NCIT:C85216 UMLS:C0041915 GARD:0005425 urachal cyst (disease) MESH:D014496 Urachal cyst is a congenital urachal anomaly characterized by a failure of complete closure of the urachus, in which both ends are closed but the central lumen remains patent. It is typically asymptomatic but may become clinically significant when infected, presenting as a mass in the umbilical region accompanied by abdominal pain and fever. HP:0012618 urachal cyst (disease) SCTID:17234001 Orphanet:488 MedDRA:10065375 urachal cyst