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鼻咽癌在我国是一种常见的癌瘤,其特点是恶性度高、发展快,常可在短期内或尚未出现耳鼻症状时,已经发展到了晚期。有些病人在鼻咽镜检查尚未见原发癌时,就有了颈淋巴结的转移。肿瘤部位的隐蔽或取活检组织技术的差异,使鼻咽癌患者难以得到早期的病理组织学确诊。对 EB 病毒壳抗原相应的 IgA抗体(EBV-VCA-IgA)进行检测,提高了鼻咽癌的早期确诊率。因为 VCA-IgA 抗体的出现可先于肿瘤的确诊10～61个月。我们采用免疫酶法检测了733份血清中 VCA-IgA 抗体的滴度,以≥1:5为阳性,结果见附表。
Nasopharyngeal carcinoma in our country is a common cancer, which is characterized by high degree of malignancy, rapid development, often in the short term or have not appeared when the ototoxicity, has developed to the late. Some patients in the nasopharyngoscopy have not seen the primary cancer, there is a cervical lymph node metastasis. Hidden tumor or take the biopsy tissue technology differences in nasopharyngeal carcinoma patients difficult to get early pathological diagnosis. Detection of EBV-IgA antibody (EBV-VCA-IgA) corresponding to Epstein-Barr virus capsid antigen enhances the early diagnosis of nasopharyngeal carcinoma. Because the emergence of VCA-IgA antibody can be diagnosed before the tumor 10 to 61 months. We used immunoenzymatic assay of 733 serum VCA-IgA antibody titers to ≥ 1: 5 as a positive result is shown in the attached table.