known prior diagnosis of myelodysplasia (MDS); or therapy related AML; or White cell count at presentation > 100,000; or Presence of extramedullary leukemia at diagnosis; or Unfavorable FAB type (M0, M5-7); or High-risk cytogenetics (such as those associated with MDS, abnormalities of 5, 7, 8, Philadelphia chromosome, complex karyotype); or High risk molecular markers such as FLT3 mutations; or Requirement for 2 or more inductions to achieve CR1