PMC4799557_01
(a) A computed tomography scan shows a suspicious wall defect at the transverse colon as well as free air densities and pericolic fat infiltration. Arrow indicates free air. (b) An axial computed tomography scan shows the presence of active bleeding of the transverse colon with increased mucosal enhancement. Arrow indicates active bleeding site.
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F1
The CT scan showed a suspicious wall defect in the transverse colon as well as free air densities and pericolic fat infiltration [Figure 1a]. Moreover, the presence of active bleeding and increased mucosal enhancement in the transverse colon were notable [Figure 1b].