Increase of mast cells may be associated with infiltration of eosinophils and proliferation of microvessels in gastric eosinophilic granuloma.

Background: Gastric eosinophilic granuloma (GEG) is a rare disease. Recently this disease has begun to increase in China. In the present study, the function and the role of mast cells (MC) in the pathogenesis of GEG were investigated.