Gastrointestinal perforation CT
[{CMG}}; Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D[1]
Overview
Chest CT
- When fluoroscopy is equivocal, and there is persisting suspicion of perforation. 2, 4
- Pleural or mediastinal fluid
- Pneumomediastinum or pneumothorax
Abdominal CT
- 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].
