通过检查病人血清以达到早期发现癌瘤的目的,是目前肿瘤防治研究中的重要方向之一。由于Epstein-Barr病毒(EBV)经常伴随于鼻咽癌(NPC)中,通过检测血清中抗EBV某些抗体,可以作为NPC早期诊断的重要参考,目前测定抗病毒壳抗原(Virus capsid antigen)的免疫球蛋白A抗体(VCA-IgA)已较广泛地用于NPC的早期发现,然而,酶学测定法用 The purpose of early detection of cancer by examining the patient’s serum is one of the most important directions in the current research on tumor prevention and treatment. Since Epstein-Barr virus (EBV) is often accompanied by nasopharyngeal carcinoma (NPC), it can be used as an important reference for the early diagnosis of NPC by detecting serum anti-EBV antibodies. Currently, the antiviral capsid antigen (Virus capsid antigen) is measured. Immunoglobulin A antibodies (VCA-IgA) have been more widely used for early detection of NPCs, however, enzymatic assays are used