《英文msh词典》Purpura,Thrombocytopenic,Autoimmune
[同义词] Purpura,Thrombocytopenic,Autoimmune
[主题词] Purpura,Thrombocytopenic,Idiopathic
[中文释义] 紫癜,血小板减少性,自身免疫
[英文释义] Thrombocytopenia occurring in the absence of toxic exposure or a disease associated with decreased platelets. It is mediated by immune mechanisms,in most cases IMMUNOGLOBULIN G autoantibodies which attach to platelets and subsequently undergo destruction by macrophages. The disease is seen in acute (affecting children) and chronic (adult) forms.