Gastrointestinal perforation CT

	Gastrointestinal perforation Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D [2]

Overview

When fluoroscopy is equivocal, and there is persisting suspicion of perforation. 2, 4
Pleural or mediastinal fluid
Pneumomediastinum or pneumothorax

Signs of perforation on abdominal CT scanning include:
Extraluminal oral contrast
free fluid or food collections
discontinuity of the intestinal wall
localized peritoneal fat stranding
bowel wall thickening
oral contrast, then often the leak can be seen directly as contrast spills out of the perforation site
fistula
intra-abdominal abscess
[82,93,99,100].