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胃癌的发病率很高,在我国许多地区占恶性肿瘤死亡患者的第一位或第二位[1],目前胃镜活检是诊断胃癌的重要手段,但由于胃镜钳取的组织较小,又存在胃镜取材的准确率的问题,比如取到了癌周组织或癌表面的变性坏死物等,都会影响病理诊断,因此胃黏膜活检的诊断往往比胃全切后胃癌的
The incidence of gastric cancer is very high, accounting for the first or the second in many areas of cancer deaths in China [1]. At present, gastroscopic biopsy is an important method to diagnose gastric cancer. However, due to the small tissue taken by gastroscope clamp, The accuracy of endoscopy, such as access to the peritumoral tissue or degeneration of the surface of cancer necrosis and so on, will affect the pathological diagnosis, the diagnosis of gastric mucosal biopsy is often more than gastric resection of gastric cancer