Urachal remnants in adults

Umbilical Discharge in Pregnant Women With Patent Urachus: A Case Report

“…It is located in the space of Retzius, between transverse fascia and parietal peritoneum in the midline, infra-umbilical extending from the bladder dome to the umbilicus, such as the median umbilical ligament [5]. Histologically, it is composed of an outer layer of smooth muscle, an intermediate connective tissue and an epithelial internal [6]. The inner lining may be absent in up to 31% of cases [7].…”

Infected urachal sinus presenting as infraumbilical mass- A Case report and review of literature

“…Urachal sinus abscess usually occurs by infection of mucinous secretion via the umbilicus or infection of hair follicles at periumbilical region. Umbilical-urachal sinus consists of blind dilatation of the urachus at the umbilical end and may result in periodic discharge 8,9 . The commonly cultured microorganisms from the pus are staphylococcus aureus, Escherichia coli, Enterococcus faecium, Proteus, Citrobacter species, Streptococcus Viridans and Fusobacterium 6,7 .…”

Urachal Abscess Clinically Mimicking a Malignancy

“…In the urachal sinus, presenting in up to 15% of cases, the apical segment of the urachus remains open and communicates with the umbilicus [8]. A vesicourachal diverticulum is more uncommon (3-5% of cases), which is an incomplete obliteration of the inferior portion of the median umbilical ligament that communicates with the vesical end [9,10].…”