Intriguingly, clonally expanded non-leukemic cells expressing MLL-ELL during consolidation therapy were found to be eradicated after allo-HSCT during the monitoring of minimal residual disease in one patient.     ///    "In conclusion, allo-HSCT soon after CR1 represents a promising therapeutic option for adult AML patients with MLL-ELL, although the outcome of allo-HSCT for patients beyond CR1 was dismal.. "    ///     Acute myeloid leukemia (AML) with mixed lineage leukemia-eleven-nineteen lysine-rich leukemia (MLL-ELL) is a rare subtype of MLL-rearranged AML. 