免疫缺陷性疾病是一组由于免疫系统的一种或多种成分缺乏,而致使机体对感染的易感性增加为特征的疾病。近研究发现,本病也易发生自身稳定和免疫监视功能的异常,所以伴发自身免疫性或过敏性疾病以及恶性肿瘤的机率也很高。最近,免疫缺陷病的神经系统并发症渐为人们所重视。本文就该课题作一简要的概述。 Immunodeficiency diseases are a group of diseases characterized by an increased susceptibility of the body to infection due to a deficiency of one or more components of the immune system. Recent studies have found that the disease is also prone to self-stability and immune surveillance abnormalities, so with the possibility of autoimmune or allergic diseases and malignant tumors is also very high. Recently, the nervous system complications of immunodeficiency disease gradually attract people’s attention. This article gives a brief overview of the subject.