Presentation is commoner in children and rare in adult.
An umbilical-urachal sinus can manifest at ultrasound as a thickened tubular structure along the midline below the umbilicus.
- infection, with possible abscess formation
- concurrent occurrence of a tumor.
History and etymology
It is thought have been first described by Cabriolus in 1550 4.
- 1. Berrocal T, López-pereira P, Arjonilla A et-al. Anomalies of the distal ureter, bladder, and urethra in children: embryologic, radiologic, and pathologic features. Radiographics. 22 (5): 1139-64. Radiographics (full text) - Pubmed citation
- 2. Yu JS, Kim KW, Lee HJ et-al. Urachal remnant diseases: spectrum of CT and US findings. Radiographics. 2001;21 (2): 451-61. doi:10.1148/radiographics.21.2.g01mr02451 - Pubmed citation
- 3. DiSantis DJ, Siegel MJ, Katz ME. Simplified approach to umbilical remnant abnormalities. Radiographics. 1991;11 (1): 59-66. doi:10.1148/radiographics.11.1.1996398 - Pubmed citation
- 4. El Ammari JE, Ahallal Y, El Yazami Adli O et-al. Urachal sinus presenting with abscess formation. ISRN Urol. 2011;2011: 820924. doi:10.5402/2011/820924 - Free text at pubmed - Pubmed citation