Gastric inverted hyperplastic polyp: A rare cause of iron deficiency anemia

Figure 3 Microscopy of the endoscopic submucosal dissection specimen. A: Well-circumscribed inverted growth pattern into the submucosal layer was shown (HE staining, × 10); B: Endophytic proliferation of hyperplastic columnar cells and connected with inflamed surface epithelium was shown. No architectural or cytological atypia was found (HE staining, × 100).