preferred_name: congenital thrombotic thrombocytopenic purpura
preferred_name_lc: congenital thrombotic thrombocytopenic purpura
label: THROMBOTIC THROMBOCYTOPENIC PURPURA, HEREDITARY, INFANTILE- OR ADULT-ONSET
label_lc: thrombotic thrombocytopenic purpura, hereditary, infantile- or adult-onset