Duodenal Bulb Mucosa with Hypertrophic Gastric Oxyntic Heterotopia in Patients with Zollinger Ellison Syndrome
Figure 1
Heterotopic Gastric Mucosa in the Duodenum unstained (a) and with Methylene Blue-stained Duodenal tissue. (b) These lesions were seen as macroscopic lesions on endoscopy.
