Umbilical-urachal sinus

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Umbilical-urachal sinus
Other names: Urachal sinus
PMC4744458 12879 2016 1405 Fig2 HTML.png
Urachal sinus white arrow was seen attached to anterior surface of sigmoid colon arrow

Umbilical-urachal sinus is a congenital disorder of the urinary bladder caused by failure of obliteration of proximal or distal part of the allantois, and the presentation of this anomaly is more common in children and rarer in adults.[1][2][3]

It is thought have been first described by Cabriolus in 1550.[4]

Possible complications include:

See also


  1. Berrocal, Teresa; López-Pereira, Pedro; Arjonilla, Antonia; Gutiérrez, Julia (2002). "Anomalies of the Distal Ureter, Bladder, and Urethra in Children: Embryologic, Radiologic, and Pathologic Features". Radiographics. Berrocal T, López-pereira P, Arjonilla A et-al. 22 (5): 1139–1164. doi:10.1148/radiographics.22.5.g02se101139. PMID 12235344.
  2. Yu, Jeong-Sik; Kim, Ki Whang; Lee, Hwa-Jin; Lee, Young-Jun; Yoon, Choon-Sik; Kim, Myung-Joon (2001). "Urachal remnant diseases: spectrum of CT and US findings". Radiographics. Yu JS, Kim KW, Lee HJ et-al. 21 (2): 451–461. doi:10.1148/radiographics.21.2.g01mr02451. PMID 11259707.
  3. Disantis, D. J.; Siegel, M. J.; Katz, M. E. (1991). "Simplified approach to umbilical remnant abnormalities". Radiographics. DiSantis DJ, Siegel MJ, Katz ME. 11 (1): 59–66. doi:10.1148/radiographics.11.1.1996398. PMID 1996398.
  4. "Urachal sinus presenting with abscess formation". El Ammari JE, Ahallal Y, El Yazami Adli O et-al. doi:10.1148/radiographics.11.1.1996398. PMID 1996398. {{cite journal}}: Cite journal requires |journal= (help)