case_images: PMC7264957_01
case_images: Abdominal CT scan showing a dilated stomach and a calcified stone impacted in the second portion of duodenum.
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case_images: PMC7264957_01_gr1.jpg
case_images: fig0005
case_images: Abdominal computed tomography (CT) scan showed the presence of a dilated stomach and a large stone impacted in the duodenum (Fig. 1), caused by a cholecysto-duodenal fistula, without the presence of further gallstone in the gallbladder.
case_images: Gallstone impacted in the duodenum measuring 7 x 3.5 cm.
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case_images: PMC7264957_01_gr2.jpg
case_images: fig0010
case_images: The stone measured 7 x 3.5 cm (Fig. 2).
case_images: PMC7264957_02
case_images: Abdominal CT scan showing a subtotal stenosis of the lumen of the second duodenal portion.
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case_images: PMC7264957_02_gr3.jpg
case_images: fig0015
case_images: Abdominal CT scan showed the presence of a subtotal stenosis of the lumen of the second duodenal portion caused by a nodular lesion (Fig. 3) with concomitant gastric distension.
case_images: Upper endoscopy demonstrates a large, round, smooth mass occupying alomst the entire duodenal lumen.
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case_images: PMC7264957_02_gr4.jpg
case_images: fig0020
case_images: Esophagogastroduodenoscopy revealed a large, round, smooth, non-friable and non-fleshy mass (gallstone) occupying almost the entire duodenal lumen (Fig. 4).
case_images: (a) Gastrotomy at the antrum. (b) Extraction of the gallstone from the stomach.
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case_images: PMC7264957_02_gr5.jpg
case_images: fig0025
case_images: III and underwent laparotomy. Intraoperatively, the gallbladder was found to be adherent to the duodenum and a gallstone was found impacted in the second part of the duodenum and was manually moved into the stomach to be retrieved by a gastrotomy (Fig. 5).