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作者用新近发展起来的抗生物素-生物素酶标染色法(ABC法)探讨了癌胚抗原(CEA)与特定时期胚胎抗原(SSEA-1)在结肠癌时的分布以探讨其对结肠癌的诊断价值。结果显示CEA存在于几乎所有结肠癌病例(29/30),但也可在约40％左右的正常粘膜表面上皮细胞或腺上皮细胞膜上呈现。SSEA-1存在于约84％
The authors studied the distribution of carcinoembryonic antigen (CEA) and specific period embryonic antigen (SSEA-1) in colon cancer using a newly developed avidin-biotinylated staining method (ABC method) to investigate its effect on colon cancer. The diagnostic value. The results show that CEA is present in almost all cases of colon cancer (29/30), but it can also be present in about 40% of normal mucosal epithelial cells or glandular epithelial cell membranes. SSEA-1 is present at approximately 84%