<prompt> Answer this question truthfullyWhat is the definition of antiphospholipid syndrome?  <response>: <reason> Antiphospholipid syndrome should be differentiated from conditions such as hemolytic uremic syndrome - thrombotic thrombocytopenic purpura HUS-TTP, disseminated intravascular coagulation DIC, p aroxysmal nocturnal hemoglobinuria, SLE, HELLP syndrome and other myeloproliferative diseases. 