Mechanical bowel perforation
Mechanical bowel perforation is a relatively uncommon occurrence.
Bowel perforation redirects to this article. This article covers the differential diagnosis of bowel perforation.
Causes of perforation
- Inflammatory bowel disease - Crohn's disease, toxic megacolon.
- Diverticular disease.
- Malignancy - see tumour perforation in colorectal cancer.
- Duodenal ulcer.
- Iatrogenic, e.g. complication of a surgery, colonscopy.
- Typically elderly.
- Trauma, e.g. gunshot wound, sharp force trauma.
- Typically younger people that were "minding their own business".
- Foreign body.
- Fibrinous exudate.
- Bowel wall thickening, focal.
- Perforation - may or may not be obvious.
- Free air.
- Microabscess formation - esp. at serosal aspect.
- Other causes of small bowel obstruction.
ILEUM, BOWEL RESECTION: - SMALL BOWEL WITH FOCAL TRANSMURAL INFLAMMATION, EDEMA, SEROSITIS AND EARLY MICROABSCESS FORMATION -- COMPATIBLE WITH PERFORATION. - FIBROUS ADHESIONS. - ONE BENIGN LYMPH NODE. - NEGATIVE FOR MALIGNANCY.