血栓性血小板减少性紫癜(TTP)是以溶血性贫血,血少板减少性紫癜,精神神经症状,发热及肾脏损害为特征的疾病,病因不明,亦无有效的治疗方法,往往导致死亡。患者男,75岁。5月初开始有发热等感冒样症状。虽经治疗,发热亦不减退。中旬因突然后头部剧痛,昏迷入院。入院几天后又出现出血倾向,怀疑DIC 送入抢救中心查体:昏迷,T37.3℃。两上肢弥漫性皮下紫癜,眼结膜苍白。虽有精神症状,但神经系统未见异常。入院时末梢血中发现网织红细胞明显增加,贫 Thrombotic thrombocytopenic purpura (TTP) is a disease characterized by hemolytic anemia, thrombocytopenic purpura, neuropsychiatric symptoms, fever and kidney damage. Etiology is unknown and there are no effective treatments that often result in death. Male patient, 75 years old. In early May there are fever-like flu-like symptoms. Although treated, fever does not diminish. Mid-sudden headache after a sudden, coma admitted. A few days after admission bleeding tendency again, suspected DIC into the rescue center examination: coma, T37.3 ℃. Two upper extremity diffuse subcutaneous purpura, pale conjunctiva. Although mental symptoms, but no abnormalities in the nervous system. Admitted to the peripheral blood red blood cells were significantly increased, poor