Figure 1: (A) Computed tomographic image of a 72-year-old man showing the position of the biopsy needle within the hypodense liver mass (arrow) during a liver biopsy. (B, C) Computed tomographic ...

Portal venous gas and pneumatosis intestinalis, first described in 1955 and 1963 respectively, are radiographic signs that have been traditionally associated with bowel ischemia. 1 Radiographic ...

These low-density areas represent the abnormal gas accumulation within the hepatic portal venous system, which is characteristic of HPVG. The gas can diffuse into small vessels within the liver ...

There was interval marked decrease in the portal venous gas, with residual air seen at the anterior liver segments (Figure 2a). The gastric band was then seen at a phi angle of 33° and interval ...

Both were treated with hyperbaric oxygen therapy (HBOT), with a follow-up CT scan revealing a complete resolution of the portal venous gas. This suggests that HBOT is effective for both symptomatic ...

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