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Signification of C4d deposition in liver rejection
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- Author:
- No author available
- Journal Title:
- WORLD CHINESE JOURNAL OF DIGESTOLOGY
- Issue:
- 11
- DOI:
- 10.3969/j.issn.1009-3079.2005.11.014
- Key Word:
- C4d;沉积;肝移植排斥反应
Abstract： 目的:研究肝移植排斥反应中C4d沉积的部位和意义.方法:对肝移植患者的肝穿刺标本作C4d免疫组化染色,观察C4d阳性沉积情况与肝脏病理改变的关系.结果:急性细胞性排斥反应中的69.2%肝移植标本,在肝小叶汇管区小血管壁及肝血窦壁上有C4d的沉积.33.3%移植后乙肝复发和28.6%乙型肝炎的标本中,仅汇管区小血管壁有C4d的沉积,而无肝血窦壁上C4d的沉积.12例器官保存性损伤的肝标本中1例汇管区小血管壁及肝血窦壁上有C4d的沉积,此例1 mo后再次穿刺发现急性细胞性排异反应.肝移植后胆管阻塞的标本中没有发现C4d的沉积.结论:C4d在肝血窦壁的沉积可以作为肝移植急性排斥反应鉴别诊断一个比较特异的免疫组化指标.
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