label: congenital thrombotic thrombocytopenic purpura
label_lc: congenital thrombotic thrombocytopenic purpura
description: Congenital thrombotic thrombocytopenic purpura is the hereditary form of thrombotic thrombocytopenic purpura (TTP) characterized by profound peripheral thrombocytopenia, microangiopathic hemolytic anemia (MAHA) and single or multiple organ failure of variable severity.