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为了探讨大肠癌单克隆抗体（ＭＡ）在大肠癌诊断中的意义，本文采用大肠癌ＭＡ金标免疫斑点法对２６例大肠癌患者粪便检测肿瘤相关抗原，并与血清中癌胚抗原（ＣＥＡ）测定进行比较，同时与１５例良性肠道疾病对照，结果显示：大肠癌ＭＡ金标免疫斑点法阳性率８４６％，ＣＥＡ阳性率３８５％，对照组１３３％，差异有显著性，这表明大肠癌ＭＡ金标免疫斑点法对大肠癌筛选及早期诊断有一定价值
In order to investigate the significance of monoclonal antibody (MA) in the diagnosis of colorectal cancer, colorectal MA gold-labeled immunospot assay was used to detect tumor-associated antigens in 26 cases of colorectal cancer patients and it was correlated with serum carcinoembryonic antigen (CEA). The results were compared and compared with 15 cases of benign bowel diseases. The results showed that the positive rate of colorectal MA gold immunospot assay was 84.6%, CEA positive rate was 38.5%, and the control group was 13.5%. There was a significant difference. Sex, which indicates that MA gold-labeled immunospot assay for colorectal cancer is valuable for screening and early diagnosis of colorectal cancer