Duodenal diverticulitis

Case contributed by Michael P Hartung
Diagnosis almost certain


Upper abdominal pain.



Large, thick-walled, inflamed duodenal diverticulum projecting from the medial 2nd portion. It is filled with mottled material resembling stool, and does not have oral contrast. 

3 months previously


Prominent duodenal diverticulum is filled with oral contrast and not inflamed. 

Case Discussion

Diverticula can occur anywhere along the GI tract and become inflamed. Duodenal diverticula are a common finding on CT, but diverticulitis is uncommon. In this case, inspissated material fills the inflamed diverticulum and likely caused erosion of the diverticular wall, resulting in diverticulitis. 

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