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特发性血小板减少性紫癜的发病机制 被引量:13

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摘要 特发性血小板减少性紫癜(idiopathic thrombocytopenic purpura,ITP)是一种器官特异性自身免疫性疾病,以免疫介导的血小板减少为特征。临床表现为外周血中血小板减少,皮肤、黏膜或内脏出血。传统观点认为ITP的发病机制以体液免疫异常为主,即由于患者体内的自身抗体与血小板结合,致敏的血小板被单核巨噬细胞系统过度破坏,但这并不能完全解释ITP的发病。多年来对ITP发病机制的研究发现,除体液免疫机制外,在ITP尤其是慢性ITP的发病中,细胞免疫起了非常重要的作用。
作者 侯明 秦平
出处 《内科理论与实践》 2008年第2期96-102,共7页 Journal of Internal Medicine Concepts & Practice
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