胃活检在早期胃癌、胃的各种良恶性病变以及介于良恶性之间的临界性病变—异型上皮的诊断中都有很大价值,但也还存在一些待解决的问题。本文从以上二个方面对胃活检进行了分析和评价。早期胃癌的活检目前早期胃癌活检的阳性率可达90%以上。据日本癌研会附属医院486例早期胃癌活检结果,分析肉眼类型与阳 Gastric biopsy is of great value in the diagnosis of early-stage gastric cancer, various benign and malignant lesions of the stomach and borderline epithelium, a borderline lesion between benign and malignant lesions. However, there are still some problems to be solved. This article analyzes and evaluates gastric biopsy from the above two aspects. Biopsy of early gastric cancer The current positive rate of early gastric cancer biopsy can reach more than 90%. According to the biopsy results of 486 early gastric cancers in the Affiliated Hospital of Japan Cancer Society, the analysis of the naked eye type and yang