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采用免疫酶法检测疗前鼻咽癌39例、放疗后鼻咽癌19例和分泌性中耳炎22例的中耳积液 EBVCA-IgA 抗体滴度与相应血清的滴度基本相同。鼻咽癌组的抗体阳性率和几何平均滴度均明显高于对照组分泌性中耳炎。这项检测方法可用于鼻咽癌的早期诊断、鉴别诊断和放疗后判断疗效与复发。
Enzyme-linked immunosorbent assay (EBMCA-IgA) showed that the titer of EBVCA-IgA was the same as that of the corresponding serum in 39 cases of nasopharyngeal carcinoma before treatment, 19 cases of nasopharyngeal carcinoma after radiotherapy and 22 cases of secretory otitis media. Nasopharyngeal carcinoma antibody positive rate and geometric mean titer were significantly higher than the control group of secretory otitis media. This test method can be used for early diagnosis of nasopharyngeal carcinoma, differential diagnosis and radiotherapy to determine the efficacy and recurrence.