Abstract
Pilephlebitis or portal septic thrombosis is a rare complication secondary to inflammatory and/or septic processes of abdominal structures whose venous drainage converges to the portal venous system 1. This pathology consists of the formation of thrombi in small caliber vessels within the affected abdominal region, which can progress to directly affect the portal vein and intrahepatic vessels, as well as septic embolisms causing serious complications for the patient's health, such as liver abscesses, liver failure, portal hypertension, etc. abdominal sepsis and even death 2. The main pathologies in which this entity can occur are acute appendicitis, diverticulitis, acute cholecystitis, although others such as pelvic inflammatory disease have also been mentioned 3. The most frequently isolated etiologic agents are Bacteroides fragilis and Escherichia coli 4
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