In our study, the frequency of FLT3-ITD mutation in adult AML was 14.43% which is lower than reported in other published studies [8, 19, 20, 22, 28, 35], but still in the variation range of frequency of ITD mutations (13–27%) reported by some study group [12, 21] (Table 2). Here, FLT3 is linked to acute myeloid leukemia.