PMC5545816_01
CT scan from 2 years prior demonstrating duodenitis (green circle) and periduodenal inflammatory change (yellow arrow).
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Two years prior the duodenal lesion was identified when he first presented to his local hospital with symptoms of gastric outlet obstruction (Fig. 1).
Preoperative CT scan demonstrating (A) gastric outlet obstruction and (B) paraduodenal inflammatory changes (yellow arrow).
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At the time of presentation to our centre, computed tomography (CT) revealed narrowing at the junction of the 1st and 2nd part of the duodenum in conjunction with a cystic lesion abutting the pancreatic head (Fig. 2).
EUS 1 month preoperatively demonstrating cystic lesion in duodenal wall.
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Echoendoscopic evaluation revealed two hypoechoic, heterogenous, poorly demarcated lesions arising from the duodenal muscularis propria and abutting the pancreatic head; these lesions measured 12 x 4 mm and 5 x 3 mm (Fig. 3).