Diverticular disease in a pediatric patient with Crohn’s disease mimicking a perforated post-appendectomy appendiceal stump

Le résumé fourni par la source

We present the finding of a diverticulum in the colonic wall of the cecum, arising in the context of ileocecal stricture in a child with Crohn disease mimicking a post-appendectomy perforated appendiceal stump. To our knowledge, a non-Meckel diverticulum in a pediatric patient with Crohn disease has not yet been reported and we examine the mechanics behind it. According to the Laplace Law, the pressure inside a container with curved walls is inversely proportional to its radius. A diverticulum forms at the point of maximum stricture and at the locus of least resistance (weakness) in the bowel wall due to the inflammatory bowel disease. The long-time interval between diagnosis of ileocecal stricture and surgery (9 months) is important to allow the formation of this diverticulum. Continued follow-up in adulthood is warranted due to an increased risk of intestinal diverticular disease and neoplasms in patients with Crohn disease.

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