twenty-nine children with bone marrow aplasia and less than 1000 leucocytes/mm3 were treated : 20 had acute lymphoblastic leukaemia or lymphoma ( first episode 13 , relapse 7 , including 3 undergoing bone marrow transplantation ) , 6 had acute myeloblastic leukaemia ( first episode 4 , relapse during transplantation 2 ) , and there was 1 case each of idiopathic bone marrow aplasia , metastatic sympathico-blastoma and lymphohistiocytosis .
C0002874
bone marrow aplasia
C0348890
idiopathic bone marrow aplasia