“两对半”不同组合模式的意义
正常情况: HBsAg,HBsAb,HBeAg,HBeAb,HBcAb 五项乙肝的血清标志均为阴性。
异常: HBsAg,HBsAb,HBeAg,HBeAb,HBcAb 五项乙肝的血清标志常联合检测,称之为乙肝“两对半”试验,它们的组合模式如表。
血清标志 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
HBsAg | + | + | + | + | - | - | - | - |
HBsAb | - | - | - | - | + | + | - | - |
HBeAg | + | - | - | - | - | - | - | - |
HBeAb | - | - | - | + | - | + | + | - |
HBcAb | + | + | - | + | - | - | + | + |
血清标志 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 21 |
HBsAg | + | + | + | + | + | + | + | - | - | - | - | - - |
HBsAb | - | - | - | + | + | + | + | - | + | + | - | - + |
HBeAg | + | - | + | - | + | - | - | + | + | + | + | - - |
HBeAb | - | + | + | - | - | + | - | - | - | - | + | + - |
HBcAb | - | - | + | - | + | + | + | + | - | + | + | - + |
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