Gastric Metaplasia
Left: 79 year-old man with gastrointestinal bleeding and anemia. Upper endoscopy revealed this nodular
process in the duodenal bulb, which on biopsy proved to be moderately inflamed gastric mucosa.
Right: 84 year-old woman with dyspepsia and anemia. Upper endoscopy demonstrated mucosal nodularity of
the duodenal bulb, which on biopsy proved to be gastric mucosa with chronic inflammation.
Left: Prominent solitary nodular focus of gastric metaplasia in the duodenal bulb. An incidental finding in
a 52 year-old woman with dyspepsia and vomiting.
Right: 69 year old woman undergoing EGD for evaluation of abdominal pain was found to have a 5 mm apparent sessile polyp
in the duodenal bulb. The lesion was excised with a cold snare. Histology revealed gastric heterotopia with nonspecific chronic
inflammation.
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