case_images: PMC3196200_01
case_images: Purulent umbilical discharge with erythema and umbilical mass.
case_images: UROLOGY2011-820924.001.jpg
case_images: PMC3196200_01_UROLOGY2011-820924.001.jpg
case_images: fig1
case_images: Physical examination revealed an initial temperature of 38.9 C, purulent umbilical discharge with erythema, and tender umbilical mass (Figure 1).
case_images: (a) and (b): heterogeneous urachal collection with calculus and gas formation communicating with the umbilicus.
case_images: UROLOGY2011-820924.002.jpg
case_images: PMC3196200_01_UROLOGY2011-820924.002.jpg
case_images: fig2
case_images: Computed tomography scan confirmed the diagnosis of infected urachal sinus showing a heterogeneous collection with calculus and gas formation communicating with the umbilicus (Figures 2(a) and 2(b)). 
case_images: Infra-umbilical midline incision was used to excise the sinus and fibrous tract.
case_images: UROLOGY2011-820924.003.jpg
case_images: PMC3196200_01_UROLOGY2011-820924.003.jpg
case_images: fig3
case_images: An infraumbilical midline incision was used to excise the sinus and fibrous tract (Figure 3).