Cytogenetic studies, including CBFB-MYH11 inv [10] qualitative analysis, FLT3-ITD mutation analysis, PML-RARA t [11, 12] qualitative analysis, and AML-ETO (RUNX1-RUNX1T1) t(8; 21) qualitative analysis, were performed but were negative for all. This evidence concerns the gene RUNX1T1 and acute myeloid leukemia.