Right sided abdominal pain radiating to the right flank
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There are multiple locules of gas in the periphery of the liver which appear to be within the portal venous system. A locule of gas is located in a left gastric vein, with apparent gas within the mucosae of the stomach. Hepatic steatosis with some distension of the esophagus.
Normal appearance of the bowel. Patchy ground glass change with some tree-in-bud opacities through the lower zones of the lungs.
Portal venous gas appears to arise from gastric emphysema. Given clinical status of patient, emphysematous gastritis will have to be ruled out. Lower zone opacities possibly representing bronchopneumonia.
Gastric emphysema is a relatively rare finding and could represent potentially serious pathology.
- raised intragastric pressure (eg. gastric outlet obstruction)
- post-gastroscopy (from air insufflation from instrumentation)
- severe mucosal injury (eg. from violent vomiting)
- dissection of air from the mediastinum (eg. pneumothorax)
Emphysematous gastritis is the other cause of this radiographic appearance and represents proliferation of gas-forming microorganisms in the gastric wall. This condition has a poor prognosis and primary treatment is with broad-spectrum intravenous antibiotics, intravenous fluids and nutritional support.
- 1. Harmse W, Smith V, Stoker A. Intramural gastric air-gastric pneumatosis of emphysematous gastritis?. SA Journal of Radiology. 2007;11(3):57-8.