“…The infective process affects the endothelium originating thrombosis than migrate through portal drainage and affect its territory, and its intrahepatic branches being able, if untreated, to originate hepatic abscesses, septic shock, hepatic dis-function, progression of the thrombosis to the mesenteric territory, secondary intestinal ischemia,etc. [1,2].The most frequent cause reported is diverticulitis (30%), followed by appendicitis (19%), inflammatory bower disease, pancreatitis, and others [1].In this case, the cause was initially suspected to be an intra-abdominal sepsis located in the sigma, with secondary suspicion after colonoscopy of a focal diverticulitis.The symptoms are totally unspecific being the more common ones, fever (86%) and abdominal pain (82%).…”