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食道에 發生하는 良性 및 惡性疾患에서의 CEA, β-HCG 그리고 α-fetoprotein의 免役組織化學的 反應樣相에 관한 硏究
高大坤,金世民 고려대학교 의과대학 1988 고려대 의대 잡지 Vol.25 No.1
There are several well known, useful tumor makers in regarding to early detection and prognostic information of certain tumors. For example, CEA for colon cancer, HCG for choriocarcinoma and AFP for hepatoma are like these. But very little investigation has been undertaken to the tumors of esophageal origin for marker expression . The author studied human esophageal neoplasm in comparison to non-neoplastic esophageal epithelium for the presence of CEA, Beta-HCG and Alpha-fetoprotein using the peroxidase-antiperoxidase technique. Study cases totalled to 28 cases. Among these, study group were 17 cases, and control group were 11 cases. The results are as follows: 1. In acanthosis and esophagitis, CEA was positively reactive in upper keratinized layer. Beta-HCG had positive reaction to the cytoplasmic membrane weakly. AFP was negative in esophagitis. 2. In esophageal ulcers, CEA was positive, but the degree of reaction was variable. Beta-HCG was negative. AFP was mostly negative, but very weakly reactive to ulcer border. 3. In papilloma, CEA was diffusely positive, and in dysplasia, CEA was reactive weakly. 4. In squamous cell carcinoma; ⅰ) CEA had positive reaction in all cases, especially strong positivity in moderately differentiated squamous cell carcinoma. It appeared the CEA reactivity was related to keratin or keratin precursor. ⅱ) Beta-HCG had positive reaction in 59.2% of esophageal squamous cell. ⅲ) AFP had positive reaction in 33.3% of esophageal squamous cell. 5. If squamous cell epithelium had been injured and had neoplastic change due to certain causes, the positivity of CEA reaction was disturbed and showed a variety of reaction pattern. 6. It was well known that CEA was reactive to gastrointestinal tract adenocarcinoma, but it did not seem right that one shhould differentiate adenocarcinoma from squamous cell carcinoma in regarding to positivity or negativity of CEA reaction only, because squamous cell had also positive reaction to CEA as seen in this study. And it seemed that CEA reaction was related to keratin production in squamous cell. 7. While Beta-HCG and AFP did not show particular reaction pattern to esophageal squamous epithelial cells though they are weakly reactive, the more study should be necessary to utilize as diagnostic aid.