摘要
INTRODUCTION Primary immune thrombocytopenia(ITP)of childhood is an acquired,immune-mediated,bleeding disorder charac-terized by an isolated platelet counts decreased without an identifed cause during childhood.1 The main pathogenesis is loss of immune tolerance,which leads to immune-mediated platelet destruction and/or suppression of platelet production.
基金
National Science and Technology Major Project(Grant/Award Number:2017ZX09304029001)
Pediatric Special Project,Center for Collaborative Development of Pediatric Discipline,Beijing Hospital Administration(Grant/Award Number:XTZD20180205)。