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  • Title: The role of multiparametric flow cytometry in the detection of minimal residual disease in acute leukaemia.
    Author: Lee D, Grigoriadis G, Westerman D.
    Journal: Pathology; 2015 Dec; 47(7):609-21. PubMed ID: 26517623.
    Abstract:
    Flow cytometry is the most accessible method for minimal residual disease (MRD) detection due to its availability in most haematological centres. Using a precise combination of different antibodies, immunophenotypic detection of MRD in acute leukaemia can be performed by identifying abnormal combinations or expressions of antigens on malignant cells at diagnosis, during and post treatment. These abnormal phenotypes, referred to as leukaemia-associated immunophenotypes (LAIPs) are either absent or expressed at low frequency in normal bone marrow (BM) cells and are used to monitor the behaviour and quantitate the amount of residual disease following treatment. In paediatric acute lymphoblastic leukaemia (ALL), the level of MRD by multiparametric flow cytometry (MPFC) during therapy is recognised as an important predictor of outcome. Although less extensively studied, adult ALL and adult and paediatric acute myeloid leukaemia (AML) have also demonstrated similar findings. The challenge now is incorporating this information for risk-stratification so that therapy can be tailored individually and ultimately improve outcome while also limiting treatment-related toxicity. In this review we will elaborate on the current and future role of MPFC in MRD in acute leukaemia while also addressing its limitations.
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