Umbilical-urachal sinus

Dr Bahman Rasuli and Radswiki et al.

An umbilical-urachal sinus belongs to the spectrum of congenital urachal anomalies and represents a non-communicating dilatation of the urachus at the umbilical end.

Clinical presentation

Presentation is commoner in children and rare in adult.

Radiographic features

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 to have been first described by Cabriolus in 1550 4.

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Article information

rID: 12213
Synonyms or Alternate Spellings:
  • Urachal umbilical sinuses

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Cases and figures

  • Figure 1: umbilical-urachal sinus
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  • Case 1
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  • Case 2: inflamed umbilical-urachal sinus
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  • Umbilical granulo...
    Case 3
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  • 1
    Case 4
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