血小板减少性紫癜(ITP)是小儿时期最常见的获得性血液病,无年龄与性别差异,而青春期后女性多见。血小板减少通常与免疫因素与抗血小板因子有关,今就以下三方面加以讨论。一、ITP的诊断(一) 临床症状:在诊断中还是有其价值的,表现为突然出血,包括皮肤出血(如紫癜、瘀斑),有时粘膜出血,鼻衄,牙龈出血。但也有可能为中间型,出 Thrombocytopenic purpura (ITP) is the most common childhood acquired hematological disease, no age and gender differences, and more common in adolescent women. Thrombocytopenia is usually associated with immune factors and anti-platelet factor, the following three aspects to be discussed. First, the diagnosis of ITP (A) clinical symptoms: in the diagnosis or its value, manifested as sudden bleeding, including skin bleeding (such as purpura, ecchymosis), and sometimes mucosal bleeding, epistaxis, bleeding gums. But it is also possible for the middle type out