<prompt> AML - bad prognostic factor is?Preceding MDSInv 16Auer rodsType M4  <response>: Ans. is a i.e., Preceding MDS Prognostic factors in AMLo Age 40 yearso Age 2 years or 55 yearso M2, M3, M4 forms of AMLo MO, M6, M7 forms of AMLo Blast cell with Auer rodso Complex karyotypeso TLC25 x 109LoTLC 100 x 109Lo t15; 17, t 8;21, invl6o Deletions 5q, 7q Monosomy 5 or 7o Leukemia without preceeding MDSo AML with preceding MDS or anticancer drug exposure 