MethodsrThe expression of survivin, PTEN, p53 gene was determined by immunohistochcmistry SABC method in 65 specimens of gastric cancer, 26 of atypical hyperplasia of gastric mucosa, 10 of superficial gastritis, 30 of normal gastric mucoma.

• 方法：应用免疫组织化学链霉亲和素方法(SABC)，检测survivin、PTEN和p53基因在65例胃癌组织、26例不典型增生胃黏膜、10例浅表性胃炎和30例正常胃黏膜组织中的表达。