Abstract

Detection and monitoring of minimal residual disease (MRD) are essential components of programmed therapy. They are crucial for the choice of treatment strategy and for prognostic purposes practically in all hematologic diseases. MRD is often detected by multicolor flow cytometry, the method with fairly high specificity and sensitivity. However, to identify MRD in acute myeloid leukemia patients is one of the most challenging tasks flow cytometry specialists are faced with. Cytometric data analysis requires the expert knowledge of immunophenotype of all maturing bone marrow cells. Besides, MRD analysis in acute myeloid leukemia has not been standardized while approaches suggested by different studies vary considerably. The present paper reports the experience of MRD analysis, demonstrates the gating strategy, immunophenotype description of normal non-tumor hematopoietic cells, and presents some examples of MRD assessment. Additionally, panels of monoclonal antibodies are provided, along with an evaluation of their advantages and disadvantages.

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