PMC3816040_01
CT showing hepatic portal venous gas (Case 1).
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Branching air filled structures within the liver extending to the periphery, representing portal venous radicles, were noted (Figure 1).
CT showing gas within the posterior gastric wall, indicative of gastric ischaemia (Case 1).
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Furthermore, gas was seen within several upper abdominal mesenteric veins and within the posterior gastric wall, indicative of gastric ischaemia (Figure 2).
CT showing a calcified plaque at the origin of the celiac axis (Case 1).
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A calcified plaque was noted at the origin of the celiac axis, believed to be the causative factor for the patient's recurrent postprandial abdominal pain and current clinical picture (Figure 3).
CT showing resolution of the hepatic portal venous gas (Case 1).
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CT of abdomen was carried out. CT revealed significant interval improvement:no intraabdominal gas was seen (Figure 4).
PMC3816040_02
CT showing extensive hepatic portal venous gas, gas within the stomach wall and its draining veins, the gallbladder, common bile duct, and within the majority of the walls of the small bowel (Case 2).
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Gas was seen within the portal vein with extensive gas noted within the liver, within the stomach wall and its draining veins, the gallbladder, common bile duct, and within the majority of the walls of the small bowel (Figure 5).
CT showing nonenhancement of the superior mesenteric artery following contrast. The celiac axis is heavily calcified with minimal contrast enhancement (Case 2).
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The celiac axis was heavily calcified throughout with minimal contrast enhancement (Figure 6).