PMC3038658_01
Scout film from abdominal and pelvic CT scan shows crecentic lucencies in the walls of the stool-filled cecum and ascending colon, compatible with pneumatosis.
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fig1
The CT scanogram demonstrated left lower quadrant bowel gas-filled loops, with one loop demonstrating an additional crescentic gas lucency (Figure 1).
Axial noncontrast image of the pelvis shows a curvilinear collection of gas in the dependent wall of the large bowel (arrows). The dependent location of the gas helps distinguish pneumatosis from intraluminal air.
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fig2
The corresponding CT scan of the abdomen without IV contrast was performed demonstrating air within the wall of the bowel wall, especially the pelvic cecum and the patient's remaining rectum (Figure 2).