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Pathogenesis and clinical features―recent progress in research:leukemic transformation of myeloproliferative disorders Itaru Matsumura 1 1Department of Hematology/Oncology, Osaka University Graduate School of Medicine Keyword: 急性骨髄性白血病(AML) , 骨髄異形成症候群(MDS) , 染色体異常 , JAK2 pp.271-279
Published Date 2010/3/15
DOI https://doi.org/10.11477/mf.1542102253
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During the long-term courses of myeloproliferative disorders(MPDs), leukemic transformation is observed in 5~15% of polycythemia vera(PV), 2~5% of essential thrombocytosis(ET), and 10~30% of primary myelofibrosis(PMF)cases. Several, but not all of the retrospective studies have shown that therapeutic drugs such as busulfan and hydroxiurea raise the risk of leukemic transformation from PV and ET, while it is considered to be the natural course of PMF. In about half of the acute myeloid leukemia(AML)cases that developed from JAK2V617F-positive MPDs, AML cells are JAK2V617F-negative. So, further gene alterations are suspected to be involved in the pathogenesis of MPD and/or their leukemic transformation.


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電子版ISSN 1882-1367 印刷版ISSN 0485-1420 医学書院

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