抄録
This case was 70 year-old male. He was received eradication therapy of H. pylori to treat duodenal ulcer. Sixteen years after H. pylori eradication, a redness area was revealed at the lesser curvature of gastric antrum by esophagogastroduodenoscopy. The lesion was revealed moderate differentiated adenocarcinoma via biopsy specimens, and treated by endoscopic submucosal dissection. The histological findings showed that its border was flat and indistinct, and normal columnar epithelium appeared on the surface of cancers. This is a case to suggest characteristics of endoscopic and histological findings of early gastric cancer developed after H. pylori eradication.
