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KMID : 0366220120470040245
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Korean Journal of Hematology
2012 Volume.47 No. 4 p.245 ~ p.254
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Measurements of treatment response in childhood acute leukemia
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Campana Dario
Coustan-Smith Elaine
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Abstract
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Measuring response to chemotherapy is a backbone of the clinical management of patients with acute leukemia. This task has historically relied on the ability to identify leukemic cells among normal bone marrow cells by their morphology. However, more accurate ways to identify leukemic cells have been developed, which allow their detection even when they are present in small numbers that would be impossible to be recognized by microscopic inspection. The levels of such minimal residual disease (MRD) are now widely used as parameters for risk assignment in acute lymphoblastic leukemia (ALL) and increasingly so in acute myeloid leukemia (AML). However, different MRD monitoring methods may produce discrepant results. Moreover, results of morphologic examination may be in stark contradiction to MRD measurements, thus creating confusion and complicating treatment decisions. This review focusses on the relation between results of different approaches to measure response to treatment and define relapse in childhood acute leukemia.
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KEYWORD
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Acute lymphoblastic leukemia, Acute myeloid leukemia, Flow cytometry, Polymerase chain reaction, Minimal residual disease, Remission
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