自身免疫性慢性荨麻疹的诊治

被引:10
作者
宋志强
钟华
郝飞
机构
[1] 中国人民解放军第三军医大学西南医院皮肤科
关键词
慢性荨麻疹; 自身免疫性荨麻疹; 自体血清皮肤试验; 抗IgE高亲和力受体; 治疗;
D O I
暂无
中图分类号
R758.24 [荨麻疹];
学科分类号
100206 ;
摘要
慢性荨麻疹(CU)的病因尚未完全阐明,其可能的因素涉及变态反应、假变态反应、慢性感染和自身反应。高达30%~50%的CU出现针对FcεRI a链或IgE本身的自身抗体。这些存在于患者循环系统中的自身抗体可导致皮肤嗜碱性细胞和肥大细胞活化释放组胺并引起风团。因此,大部分慢性特发性荨麻疹(CIU)是内源性自身免疫引起的。不伴自身抗体的CU病因仍不清楚,最近的研究显示部分患者内源性嗜碱性细胞和肥大细胞功能缺陷,导致其组胺释放模式发生改变。CU的严重性和临床类型变化很大,治疗方案应个体化。
引用
收藏
页码:88 / 91
页数:4
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