目的研究内镜下美蓝染色对胃癌前病变和早期胃癌的诊断价值。
Objective To study the value of methylene blue staining in diagnosis of precancerous lesions and early gastric cancer.
结论：清热养阴降浊方对治疗胃癌前病变确有疗效，且能降低胃液CEA含量及对HP有抑杀作用。
Conclusion: HYTM possesses definite curative effect for GPL and CAL decrease gastric juice CEA content and kill HP.
方法：采用免疫组织化学sp方法对57例胃癌组织、32例癌前病变和对照组20例正常胃黏膜进行MCM5表达的检测。
Methods: Immunohistochemistry SP method was used to detect expression of MCM5 in 57 cases of gastric carcinoma, 32 cases of precancerous lesion and 20 cases of normal gastric mucosa.
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