Antralization at the edge of proximal gastric ulcers: Does Helicobacter pylori infection play a role?

Figure 3 Gastric mucosa at the ulcer edge before and after eradication of H. pylori infection in the same patient. A, biopsy of the ulcer edge before H. pylori eradication showing antral-type gastric mucosa with severe active chronic inflammation; B, biopsy of the healed ulcer site after H. pylori eradication showing body-type gastric mucosa with presence of parietal and chief cells in the gastric glands and mild residual chronic inflammation. Haematoxylin & eosin (H&E) staining × 250.