ADAMTS13 and thrombotic thrombocytopenic purpura: Until this date, in clinical settings, “DIC” and TTP are considered to be two distinctly different microthrombotic disorders, somehow each arising from utilization of yet undetermined but the same pathogenetic mechanism because “DIC” is clearly a hemostatic disorder causing hemorrhagic syndrome associated with conditions such as sepsis, and TTP is an enzymatic disorder due to ADAMTS13 deficiency.