【摘 要】
：
目的 探讨小肠移植后亚临床型细胞性排斥反应(SCR)的临床表现、肠镜下改变和病理特点.方法 小肠移植1例,受者为女性,34岁,供者为男性.应用抗CD52单克隆抗体行诱导治疗,术后单
【机 构】
：
南京军区南京总医院病理科,南京军区南京总医院普通外科
论文部分内容阅读
目的 探讨小肠移植后亚临床型细胞性排斥反应(SCR)的临床表现、肠镜下改变和病理特点.方法 小肠移植1例,受者为女性,34岁,供者为男性.应用抗CD52单克隆抗体行诱导治疗,术后单用他克莫司(Tac)、无皮质激素的维持治疗方案.怀疑发生可疑排斥反应(IND)级至I级排斥反应时,提高血Tac浓度,行短程小剂量皮质激素治疗,排斥反应控制不佳时,则行甲泼尼龙冲击治疗;发生中度排斥反应时提高血Tac浓度,给予甲泼尼龙2 g,随后应用皮质激素递减方案.术后头2个月内,每周行2次肠镜和病理学检查,之后频次减为1次/周.结果 至随访结束患者已存活19个月(611 d),期间共发生有临床症状的急性排斥反应6次,亚临床排斥反应3次.3次亚临床排斥反应时,2次肠镜下未见明显改变,1次表现为斑点状的充血、水肿,放大肠镜下绒毛数量轻度减少.3次亚临床排斥反应的病理检查中,1次以黏膜上皮剥脱为主,隐窝上皮损伤较轻,组织学改变符合轻度急性排斥反应;而另2次以隐窝上皮的损伤为主,为可疑急性排斥反应.结论 SCR可能是临床排斥反应的早期阶段,无明显临床症状,肠镜下改变不明显,诊断主要依靠病理学检查,但必须排除移植肠血管病变、肠梗阻、各类炎症等术后并发症.
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