免疫组化检测二期梅毒皮损梅毒螺旋体

Chinese Journal of Dermatology(2012)

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Abstract
目的 探讨免疫组化法(IHC)对二期梅毒皮损中梅毒螺旋体(TP)的定性和定位诊断的价值.方法 采用特异性兔抗人TP多克隆抗体标记的IHC和W-S镀银染色法分别检测25例二期梅毒皮损及对照组15例非TP感染性皮损中的TP.结果 IHC和W-S法检测二期梅毒皮损中TP的阳性率分别是80.00%和44.00%,差异具有统计学意义(Fisher's Exact Test,P=0.046).IHC检测阳性的20例均可在表皮内查见TP,11例可在真皮中查到TP.TP数量与皮损类型有关,扁平湿疣>丘疹>斑丘疹>斑疹(x2=15.694,P=0.011).对照组皮损中均未检出TP.结论 IHC对二期梅毒皮损中TP的检测优于传统W-S镀银染色法,对二期梅毒的诊断具有重要价值,其对TP的准确定位还有助于梅毒皮损形成的研究.
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Key words
Syphilis,cutaneous,Silver staining,Immunohistochemistry
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