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1 From the Department of Radiology, College of Physicians and Surgeons, Columbia University, New York Hospital-Cornell Medical Center, New York, New York
2 From the Department of Radiology, New York Hospital-Cornell Medical Center, New York, New York
Four examples of gas occurring within the walls of the stomach are presented. Analysis of these patients plus those reported in the medical literature suggests that the pathogenesis of this phenomenon is related so increased intragastric pressure incident to obstruction or gastroscopic inflation, the trauma of severe vomiting, or impairment of mucosal integrity by ischemia or infection. The gas is probably of intraluminal origin although in some instances it may also come from gas forming bacteria. The clinical significance of this finding depends on the nature of the underlying abnormality.
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