原发性血小板减少性紫癜(简称ITP)是小儿最常见的一类出血性疾病。本院1973～1975年共收住102例,占同期住院患儿的0.83％。现就此102例患儿的临床资料对本病的急性型和慢性型(包括反复发作型)的诊断、治疗和随访结果分析如下: 诊断标准和方法 ITP的诊断标准是血小板低于10万/μl,骨髓涂片巨核细胞增加或正常,未发现系统性疾病和其它血液学异常,无化学药物接触史等原因不明的一类血小板减少性疾病。临床分型: 1.急性型:起病后6个月内血小板持续恢复正常。 Primary thrombocytopenic purpura (referred to as ITP) is the most common type of hemorrhagic disease in children. Our hospital received a total of 102 cases from 1973 to 1975, accounting for 0.83% of hospitalized children in the same period. The clinical data of 102 cases of this disease on the diagnosis of acute and chronic type (including recurrent) diagnosis, treatment and follow-up results are as follows: Diagnostic criteria and methods ITP diagnostic criteria is platelet less than 100,000 / l , Bone marrow smears megakaryocytes increased or normal, no systemic diseases and other hematological abnormalities, no history of chemical exposure and other unexplained types of thrombocytopenic diseases. Clinical classification: 1. Acute type: within 6 months after onset of platelets continued to return to normal.