Synopsis
foveolar hyperplasia
edema
smooth-muscle proliferation in the lamina propria
only normal numbers or a minor increase in chronic inflammatory cells
neutrophilic polymorphonuclear cells not seen (Unless there is erosion)
Etiology
chemical irritant
drug
bile-associated chemical gastritis (bile reflux gastritis),
- partial gastrectomy with gastroenteric anastomosis and bile reflux
NSAID (NSAID-associated chemical gastritis)
alcohol
no specific association