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Portal venous gas. Report of three cases.
Ann Hepatol
September 2009
Department of General and Gastrointestinal Surgery, UMAE Hospital de Especialidades CMN Siglo XXI (IMSS), México City, México.
Unlabelled: When portal venous gas (PVG) is found, it is usually considered an ominous sign. It is now more frequently found because of the improvement in imaging studies, mainly through computed tomography (CT). It was first related primarily to mesenteric ischemia.
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