根据WHO的分类标准,对经纤维胃镜诊断的胃癌前疾病2333例进行了病理检查,结果:①1056例慢性浅表性胃炎中,单纯胃炎751例,占71.1％,轻度肠上皮化生114例占10.8％,中度9例占0.9％。非典型增生208例,占19.7％。②慢性萎缩性胃炎544例,其中单纯胃炎85例占15.6％,肠上皮化生323例,占59.4％,非典型增生290例占53.3％,其中154例同时存在有肠上皮化生和非典型增生。③胃 According to WHO’s classification criteria, 2333 cases of precancerous gastric disease diagnosed by fiberoptic gastroscopy were examined. Results: 11056 cases of chronic superficial gastritis, 751 cases of simple gastritis, accounting for 71.1%, 114 cases of mild intestinal metaplasia Accounting for 10.8%, moderate 9% accounted for 0.9%. 208 cases of atypical hyperplasia, accounting for 19.7%. 2 544 cases of chronic atrophic gastritis, including 85 cases of simple gastritis accounted for 15.6%, 323 cases of intestinal metaplasia, accounting for 59.4%, 290 cases of atypical hyperplasia accounted for 53.3%, of which 154 cases with intestinal metaplasia and atypical Hyperplasia. 3 stomach