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在我国,胃癌的死亡率占所有恶性肿瘤死亡率的23.02%,居癌死亡的第一位。胃癌的发生是多种因素相互作用的结果,目前普遍认为,幽门螺杆菌—慢性胃炎—胃粘膜萎缩—肠化生—异型增生—胃癌,是胃癌发生的基本模式。本文重点介绍胃炎肠上皮化生与胃癌的关系。 1 概述 1.1 定义和分类肠上皮化生(以下称肠化)是指胃粘膜上皮被肠型上皮所替代。肠化可发生于各种不同的背景胃粘膜。按化生上皮功能来分,肠化可分为完全型和不
In our country, the death rate of gastric cancer accounted for 23.02% of all malignant tumor deaths, ranking first in cancer deaths. The occurrence of gastric cancer is a result of a variety of factors, the current prevalence that Helicobacter pylori - chronic gastritis - gastric mucosal atrophy - intestinal metaplasia - dysplasia - gastric cancer is the basic pattern of gastric cancer. This article focuses on the relationship between gastritis intestinal metaplasia and gastric cancer. 1 Overview 1.1 Definition and Classification Intestinal metaplasia (hereinafter referred to as intestinal metaplasia) refers to the gastric mucosal epithelium was replaced by intestinal epithelium. Intestinalization can occur in a variety of different background gastric mucosa. According to metaplastic epithelial function points, intestinal metaplasia can be divided into complete and not