Patent urachus | Figure 1

CincyKidsRad

Cincinnati Children's Radiology

Patent urachus

Longitudinal ultrasound extending from the bladder dome (arrowhead) shows a patent urachus (arrow). Patients with a patent urachus typically present with urine leakage from the umbilicus. Other urachal anomalies include urachal diverticulum, urachal sinus, and urachal cyst.

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Sag CT of the abd shows a track extending from the bladder dome to umbillicus. Urachal remnant anomalies are a spectrum of congenital anomalies including patent urachus (open connection between bladder and skin), urachal sinus (blind ending sinus tract from skin), urachal diverticulum (blind ending tract from bladder), and urachal cyst (cyst, no open connection to skin or bladder). #TummyTuesday](https://app.figure1.com/case-detail/1a294873-487c-4af1-a489-5d5bc7ec466d)



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This is a 5 mo old otherwise healthy male with the persistent irritated umbilicus. Ultrasound shows no urachal cyst, only hernia with peristalsis. There is no drainage. Have tried topical Bactroban with no changes. Have tried topical hydrocortisone with no changes. Differentials appreciated!](https://app.figure1.com/case-detail/3bf69703-906c-4095-9044-6588784f1a92)



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