the 16 patients who had preleukemic syndromes included those with refractory sideroblastic and megaloblastic anemia ( with or without an excess of blasts ) , idiopathic pancytopenia or pure erythrocytic aplasia , paroxysmal nocturnal hemoglobinuria , idiopathic refractory neutropenia , agranulocytosis or thrombocytopenia , and persistent eosinophilia .
C0002888
megaloblastic anemia
C0030312
pancytopenia