Diagnostic value of upper gastrointestinal imaging for duodenal webbing in adults: A case report

Figure 3 Conventional gastroscopic images: Conventional gastroscopy reveals no deformation of the duodenal bulb, with a velvety appearance of the mucosa and no ulcers observed. In the upper part of the descending duodenum, the mucosa appears spherical and can change shape and flatten with intestinal peristalsis. Thickening of the mucosa in the descending duodenum: Ectopic pancreas? Narrowing and deformation of the descending duodenum.