Umbilical-urachal sinus
Infant with
umbilical discharge. Sagittal US of the lower abdomen just inferior to the umbilicus (above) shows a hypoechoic, blind-ending tubular structure that originates from the bladder and which extends inferiorly. Lateral image from a voiding cystourethrogram (below) shows no communication between the bladder and the umbilicus.The diagnosis was urachal sinus.
Congenital
urachal anomalies • Urachus (illustration) - Ganzer Fall bei Radiopaedia
Umbilical-urachal
sinus • Inflamed umbilical-urachal sinus - Ganzer Fall bei Radiopaedia
Umbilical-urachal
sinus • Urachal umbilical sinus - Ganzer Fall bei Radiopaedia
Umbilical-urachal
sinus • Urachal umbilical sinus - Ganzer Fall bei Radiopaedia
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.
Complications
- 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 .
Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu Urachal umbilical sinuses: