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Chapter: Abdomen & Pelvis

Subchapter: Gastrointestinal tract (Read entire chapter)

Diagnosis: Diverticulitis

Contrast enhanced CT (IV, oral and rectal contrast) of the abdomen: There are scattered diverticula (white arrows) and wall thickening (black arrows) of about 8 cm of descending colon with associated fat stranding (dotted white arrow) - a classic combination for acute diverticulitis. Left lower frame magnified view of another patient with acute diverticulitis.

For distal bowel evaluation it is always advised to use rectal contrast, which allows a better evaluation of bowel wall and luminal pathologies. Otherwise collapsed bowel could mimic bowel wall thickening.

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