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Inflamed umbilical-urachal sinus

Case contributed by Bruno Di Muzio
Diagnosis probable

Presentation

Periumbilical abdominal pain.

Patient Data

Age: 19-year-old
Gender: Female

US Abdo/pelvis

ultrasound

Cecal appendix was not identified. In the umbilical region, where the patient complains of pain, a tubular structure is identified tracking from the umbilicus to the bladder dome. This structure is dilated in its proximal umbilical portion, where it shows anechoic cystic component and thick walls with hyperemia on Doppler.

Annotated image

Annotated images delineating the urachus remnants (yellow lines) with proximal umbilical sinus dilatation.  

Case Discussion

The clinical and sonographic features favor an inflamed/infected umbilical urachal sinus

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