[The pathogenesis of primary immune thrombocytopenia].

Primary immune thrombocytopenia (ITP)--formerly known as idiopathic thrombocytopenic purpura--is an autoimmune disorder characterized by immune-mediated thrombocytopenia. The aetiology of ITP remains unknown, but studies have shown that multiple immunological mechanisms are involved in the pathogenesis of ITP.This article aims to provide an overview of our knowledge of the pathogenesis of ITP.