Hyperplastic polyps arising in autoimmune metaplastic atrophic gastritis patients: is this a distinct clinicopathological entity?

The GHP(s) arising in AMAG patients is a distinct subgroup of GHP(s) and was an important precancerous lesion. The biopsy from surrounding non-polypoid mucosa was essential to evaluate the underlying etiology of the GHPs, and endoscopists should pay attention to these.