case_images: PMC10757443_01
case_images: UGI endoscopy showing submucosal dimpled polyp in the prepyloric antrum (red arrow).. UGI: upper gastrointestinal.
case_images: 10.1177_2050313X231220830-fig1.jpg
case_images: PMC10757443_01_10.1177_2050313X231220830-fig1.jpg
case_images: fig1-2050313X231220830
case_images: Abdominal multislice computed tomography (MSCT) with injection:which was done before she came to the hospital:revealed an acute angle between the superior mesenteric artery and the aorta with a slightly marked compression on the third segment of the duodenum and a gastric dilatation (Figure 1).
case_images: UGI endosonography showing a mass lesion measuring 7.52 x 3.96 mm in the pylorus of stomach (red arrow).. UGI: upper gastrointestinal.
case_images: 10.1177_2050313X231220830-fig2.jpg
case_images: PMC10757443_01_10.1177_2050313X231220830-fig2.jpg
case_images: fig2-2050313X231220830
case_images: An endoscopic ultrasound (EUS) noted a submucosal polypoid swelling in the prepyloric antral region, which appeared to be a heterogeneous formation with a micro duct (Figure 2 and Figure 3).
case_images: Sagittal CT shows a narrowing of the distance between the superior mesenteric (red arrow) artery and the aorta (blue arrow) measuring 6 mm and an acute angle between the two arteries measuring less than 20  with a slight impression on the third segment of the duodenum (purple arrow) and gastric dilatation, corresponding to the mesenteric artery syndrome.. CT: computed tomography.
case_images: 10.1177_2050313X231220830-fig3.jpg
case_images: PMC10757443_01_10.1177_2050313X231220830-fig3.jpg
case_images: fig3-2050313X231220830
case_images: An endoscopic ultrasound (EUS) noted a submucosal polypoid swelling in the prepyloric antral region, which appeared to be a heterogeneous formation with a micro duct (Figure 2 and Figure 3).
case_images: Sections of gastric mucosa show mild chronic inflammatory cell infiltrates in lamina propria "Brunner glands" (B) along with pancreatic tissue (A).
case_images: 10.1177_2050313X231220830-fig4.jpg
case_images: PMC10757443_01_10.1177_2050313X231220830-fig4.jpg
case_images: fig4-2050313X231220830
case_images: Histopathological examination of the specimen revealed pancreatic acinar cells and ducts (Figure 4).