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Computed Tomographic Finding of Hepatic Portal Venous Gas in a Patient with Perforated Sigmoid Adenocarcinoma: Case Report

Hepatic Portal Venous Gas (HPVG) is a rare entity which may require emergent surgical intervention. Detection is usually obtained by various radiological techniques such as plain radiological imaging, Ultrasonography (US) or Computed Tomography (CT) scan. Recognition of portal venous gas is predominately seen in conditions such as mesenteric ischemia and colitis. Portal venous gas alone is usually secondary to an underlying disease which requires surgical intervention. The outcome of the disease is dependent upon the pathology of the underlying cause. In this case, portal venous gas was an incidental finding during computed tomography which was performed for further investigation in an elderly patient with a perforated obstructing bowel tumor.