Atrophic gastritis (AG) is a histopathological entity that is characterized by chronic inflammation of the gastric mucosa with loss of gastric glandular cells and replacement by intestinal-type epithelium, pyloric-type glands, and fibrous tissue. [ http://www.ncbi.nlm.nih.gov/pubmed/21483628 https://orcid.org/0000-0002-0736-9199 ]
Synonyms: Chronic atrophic gastritis
Term information
- SNOMEDCT_US:84568007
- UMLS:C0017154
Atrophy of the gastric mucosa is the endpoint of chronic processes, such as chronic gastritis associated with Helicobacter pylori (H. pylori) infection, other unidentified environmental factors, and autoimmunity directed against gastric glandular cells.