Abstract
A 75-year-old man was treated with a percutaneous coronary intervention for myocardial infarction. Six hours after the percutaneous coronary intervention, his abdomen had become gradually distended. His vital signs were stable, and his abdomen was mildly tender without peritoneal signs. Contrast-enhanced computed tomography of the abdomen revealed massive air accumulation within the hepatoportal vein and gastric wall (Figure A, arrows). He was diagnosed as gastric pneumatosis with hepatoportal venous gas.
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