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自体免疫性血小板减少性紫癜,或称原发性血小板减少性紫癜(简称ITP),本病在临床上可以分为两种类型,即急性型,多发病于儿童;慢性型,多见于成年人。临床上以皮肤粘膜的出血为主要特征,少数患者可同时伴有缺铁性贫血。一、急性型ITP 急性ITP可发病于各种年龄,但临床上以儿童为多见,特别是2～5岁的儿童,男女发病率相近。约有80％的病例在发病前先有上呼吸道感染或病毒感染史。
Autoimmune thrombocytopenic purpura, or primary thrombocytopenic purpura (referred to as ITP), the disease can be divided into two types of clinically, namely, acute type, frequently occurring in children; chronic type, more common in adults . Clinical skin and mucous membrane bleeding as the main feature, a small number of patients can be accompanied by iron deficiency anemia. First, acute ITP Acute ITP can occur at all ages, but clinically more common in children, especially children aged 2 to 5 years, the incidence of male and female similar. About 80% of cases before the onset of upper respiratory tract infection or viral infection history.