Exploring the spectrum of incidental gastric polyps in autoimmune gastritis

Aims Gastric polyps originate from abnormally proliferative gastric mucosa. Chronic atrophic autoimmune gastritis (CAAG) is an organ-specific autoimmune disease targeting parietal cells and leading to hypo/achlorhydria and hypergastrinemia, which exert a proliferative effect on the gastric mucosa. We examine the association between incidental gastric polyps and CAAG.