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Fig. 4 | Insights into Imaging

Fig. 4

From: Imaging of non-neoplastic duodenal diseases. A pictorial review with emphasis on MDCT

Fig. 4

A 67-year-old man with epigastralgia, fever, and food intolerance. a Initial abdominal ultrasonography shows diffuse thickening of the different layers of the duodenal wall with a slight amount of free periduodenal fluid (arrows) and an adjacent hypoechoic fluid collection (*). b Axial contrast-enhanced CT confirms the presence of a paraduodenal collection with an air-fluid level (*) and surrounding soft-tissue stranding (arrows) caused by acute duodenal diverticulitis. c Axial T2-weighted MRI after conservative therapy shows the outpouching from the duodenal wall is smaller and more well-defined; it now has the appearance of a duodenal diverticulum, and the amount of soft-tissue stranding has decreased

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