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应用免疫组织化学ABC技术对82例人食管鳞状上皮和鳞癌标本进行6种凝集素标记观察。结果表明,食管非癌上皮和鳞癌中6种凝集素的分布和含量有明显差异,非癌上皮的凝集素受体主要分布在胞膜上,而从异型增生开始到高分化鳞癌至低分化鳞癌,所结合的凝集素受体的分布逐渐从胞膜移至胞浆和核膜上,凝集素结合的阳性率随细胞分化水平的降低而逐渐升高,表明慢性炎性增生和不典型增生是食管粘膜癌变的基础。
Immunohistochemical ABC technique was used to observe six lectin markers in 82 human esophageal squamous epithelial and squamous cell carcinoma specimens. The results showed that the distribution and content of six lectins in esophageal non-cancer epithelium and squamous cell carcinoma were significantly different. The non-cancer epithelial lectin receptors mainly distributed in the cell membrane, and from the beginning of dysplasia to well-differentiated squamous cell carcinoma to low. In differentiated squamous cell carcinoma, the binding of the lectin receptors bound gradually migrates from the cell membrane to the cytoplasm and nuclear membrane, and the positive rate of lectin binding gradually increases as the level of cell differentiation decreases, suggesting chronic inflammatory hyperplasia and not Typical hyperplasia is the basis of canceration of the esophagus.