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利用病人血清的免疫学及生物化学测定方法探测体内恶性肿瘤,是癌瘤早期发现、早期诊断所的重要方法,此法在检查中不影响病人健康,利于大规模人群普查。近年来,文献资料一致指出Epstein—Barr病毒(EBV)与鼻咽癌(NPC)密切相关,尽管其病因学的地位尚未确定,但NPC病人血清中对抗EBV的某些抗原,如早期抗原(Early antigen,EA)、病毒壳抗原(Virus capsid antigen,VCA)的抗体(IgA或IgG型)的出现及其滴度高低可作为鼻癌咽早期发现、早期诊断、预后推测等的重要参考。
The use of patient serum immunological and biochemical detection of malignant tumors in vivo detection is an early detection of cancer, an important method of early diagnosis, this method does not affect the health of patients in the examination, which is conducive to large-scale population census. In recent years, the literature consistently pointed out that Epstein-Barr virus (EBV) is closely related to NPC. Although its etiological status has not been confirmed yet, certain antigens against EBV in NPC patients’ serum, such as Early (EAA) and VCA antibodies (IgA or IgG type) and their titer can be used as an important reference for the early detection, early diagnosis and prognosis of nasopharyngeal carcinoma.