Fig. 4From: A giant Brunner’s gland hamartoma being treated as a pedunculated polyp: a case reportMicroscopic pictures. (a) Light microscopy showed hyperplastic lobules of proliferating Brunner’s glands separated by fibrous. H&E staining, scale bar: 1 mm. (b) Brunner’s gland hyperplasia composed of variable size of Brunner’s glands can be observed. H&E staining, scale bar: 100 μmBack to article page