胃癌的早期诊断、早期治疗是提高疗效、延长患者存活期的关键。本研究探讨癌胚抗原(CEA)、肿瘤抗原(CA)199、甲胎蛋白(AFP)3种肿瘤标志物单项检测与联合检测的比较,以探讨其在胃癌中的应用与诊断价值。1对象与方法1.1研究对象:收集我院住院的患者137例,男性73例,女性64例,年龄16～86岁,平均55.7岁,所有病例根据影 Early diagnosis of gastric cancer, early treatment is to improve the efficacy and prolong survival of patients the key. This study was to compare the single detection and the combined detection of three tumor markers of CEA, CA199 and AFP in order to investigate its application and diagnostic value in gastric cancer. 1 Subjects and Methods 1.1 The object of study: 137 cases of hospitalized patients collected in our hospital, 73 males and 64 females, aged 16 to 86 years, mean 55.7 years old, all cases based on video