case_images: PMC9998406_01
case_images: Esophagogastroduodenoscopy demonstrating the pedunculated duodenal polyp.
case_images: 10.1177_23247096231159811-fig1.jpg
case_images: PMC9998406_01_10.1177_23247096231159811-fig1.jpg
case_images: fig1-23247096231159811
case_images: Patient underwent esophagogastroduodenoscopy (EGD) that revealed a 2-cm hiatal hernia, grade B esophagitis, and a large 50-mm partially obstructing pedunculated duodenal polyp extending from the duodenal sweep to the second portion of the duodenum (Figure 1).
case_images: Histological evaluation of the pedunculated duodenal polyp. Polypoid duodenal mucosa showing Brunner's gland hyperplasia and chronic inflammation, focal villous blunting noted, with no evidence of increased intraepithelial lymphocytes, adenomatous changes, or dysplasia.
case_images: 10.1177_23247096231159811-fig2.jpg
case_images: PMC9998406_01_10.1177_23247096231159811-fig2.jpg
case_images: fig2-23247096231159811
case_images: Histopathological evaluation of the polyp showed benign Brunner's gland hyperplasia (Figure 2).