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以往,人们多用鼻咽部组织进行鼻咽粘膜癌前病变形态学的研究。本文报告用免疫酶法测定病人VCA—IgA抗体,对阳性者的鼻咽部活体组织粘膜各种病变进行观察,试图了解其各种病变在鼻咽癌发生上的意义。材料和方法我们分别于1978年6月,1979年1月,1980年1月,在苍梧县对30岁以上人群应用免疫酶法测定血清VCA—IgA抗体,进行鼻咽癌普查,以VCA—IgA抗体滴度1:2.5
In the past, people mostly used nasopharyngeal tissues for the study of morphological changes of nasopharyngeal precancerous lesions. This article reports the use of immunoenzymatic method to determine the patient's VCA-IgA antibody, and to observe the various lesions of the nasopharynx living tissue mucosa of the positive person, trying to understand the significance of various lesions in the occurrence of nasopharyngeal carcinoma. Materials and Methods We measured serum VCA-IgA antibodies in adults aged over 30 years in Cangwu County in June 1978, January 1979, and January 1980 respectively. We conducted a screening of nasopharyngeal carcinoma to VCA. IgA antibody titer 1:2.5