原发性血小板减少性紫癜(ITP)是以血小板(pt)减少伴全身不同部位出血为主要表现。中枢神经系统亦威胁生命的脑出血较常发生,而表现脑梗塞者尚未见报道,本文报道3例。病例报告例1 女,32岁。1982年患皮肤紫癜,血小板减少。1988年曾因皮肤、巩膜黄染,尿呈浓茶色, Primary thrombocytopenic purpura (ITP) is the reduction of platelets (pt) with different parts of the body bleeding as the main performance. Central nervous system is also life-threatening cerebral hemorrhage occurs more often, while the performance of cerebral infarction have not been reported, this article reports 3 cases. Case report 1 female, 32 years old. 1982 skin purpura, thrombocytopenia. 1988 was due to the skin, sclera yellow dye, urine was dark brown,