PMC6180888_01
Panoramic image of the abdominal ultrasound showing patent urachus, with presence of gas (arrow).
bjrcr.20150226.g001.jpg
PMC6180888_01_bjrcr.20150226.g001.jpg
fig1
Ultrasonography revealed the presence of a heterogeneous mass of size 7.2 x 3.2 cm in the midline extending from the anterior and superior wall of the urinary bladder to the umbilicus with presence of gas (Figure 1).
Longitudinal scan colour power Doppler showing hypoechoic lesion anterior to the aorta (Ao) with increased vascularity; the triangular aspect of the vesical dome (V) is noteworthy.
bjrcr.20150226.g002.jpg
PMC6180888_01_bjrcr.20150226.g002.jpg
fig2
Colour power Doppler showed increased vascularity (Figure 2).
Sagittal CT image showing hypodense mass, anterior and superior to the vesical dome extending to the umbilicus. The presence of liquid collection adjacent to the umbilicus (arrow) is significant.
bjrcr.20150226.g003.jpg
PMC6180888_01_bjrcr.20150226.g003.jpg
fig3
CT scan of the abdomen confirmed the presence of a tubular mass extending from the umbilicus to the dome of the urinary bladder (Figure 3).
Axial CT image showing abscess formation in patent urachus posterior to the abdominal muscles. The rim enhancement with contrast (white arrow) and the fat stranding (black arrow) are significant.
bjrcr.20150226.g004.jpg
PMC6180888_01_bjrcr.20150226.g004.jpg
fig4
Contrast CT scan showed rim enhancment, with low density of the fluid collection and fat stranding (Figure 4).