Presentation
Past history of constipation. Now abdominal pain ? diverticulitis
Patient Data
Age: 65 years
Gender: Male
From the case:
Stercoral ulcer and perforation of the sigmoid colon
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Large focal collection of feces in the sigmoid without signs of obstruction or diverticular disease but with local wall thickening in the sigmoid and signs of a local perforation by way of free intraperitoneal gas (arrow).
Case Discussion
Stercoral ulcer is thought to be an ischemic phenomenon due to the pressure effect of a large, hard fecal bolus on the bowel wall, i.e. pressure necrosis. If prolonged and severe, the colon can perforate.
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