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Pylephlebitis, a septic thrombophlebitis of the portal vein, is an uncommon but serious complication following an abdominal site of infection, most frequently diverticulitis or appendicitis. It has a high mortality rate, yet it commonly presents with unspecific abdominal complaints and fever, making diagnosis by clinical and laboratory examinations alone, impossible. This report highlights the extensive computed tomography (CT) findings of pylephlebitis with multiple hepatic abscesses thought to be secondary to diverticulitis, in a patient presenting with septic shock. Radiological characteristics differentiating the liver lesions from malignancy, and showing the ascending pathway of vascular involvement from the inferior mesenteric vein to portal veins is presented, as well as the search for the primary site of infection. Recognizing and understanding the imaging findings in pylephlebitis is crucial for diagnosis and avoiding delay of appropriate treatment for this otherwise often fatal condition.