Role of multidetector row computed tomography in the diagnosis of acute peritonitis due to gastrointestinal perforation

Abstract

Peritonitis caused by an infection by the resident flora of the gastrointestinal tract resulting from a break of the integrity of the intestinal tract is a secondary peritonitis.The type and degree of peritoneal contamination depends on the site of perforation.CT direct signs of gastrointestinal perforation are extraluminal air with gas bubbles in close proximity to the discontinuity in the gastrointestinal wall, focal wall defect, and leakage of luminal contrast when administrated.CT signs of peritonitis due to gastrointestinal perforation more frequently depicted are increased fat density adjacent to the site of wall defect, perigastrointestinal fluid, stranding, and gas bubbles in close proximity to the site of perforation.