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Query: UMLS:C0023473 (chronic myeloid leukemia)
 18,916 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Myeloid leukemia in this series corresponds to the myeloid neoplasms of the 4th WHO classification of pathology and genetics of tumor of haematopoietic and lymphoid tissue. The myeloid neoplasms are composed of six categories, which are 1) myeloproliferative neoplasms (MPN), a new category of 2) myeloid and lymphoid neoplasms with eosinophilia and abnormalities of PDGFRA, PDGFRB or FGFR1, 3) myelodysplastic syndrome (MDS)/MPN, 4) MDS, 5) acute myeloid leukemia (AML) and related precursor neoplasms, and 6) acute leukemias of ambiguous lineage. In MPNs without chronic myelogenous leukemia, the genetic marker of JAK2 V617F is added to the diagnostic criteria for polycythemia vera, essential thrombocythemia and primary myelofibrosis. MDS has the new subtype of refractory cytopenia with unilineage dysplasia composed of refractory anemia, refractory neutropenia and refractory thrombocytopenia. AML with t(9; 11) (p22;q23); MLLT3-MLL, AML with t(6;9) (p23; q34); DEK-NUP214, AML with inv(3) (q21q26.2) or t(3; 3) (q21 ; q26.2); RPN1-EVI1 and AML (megakaryoblastic) with t(1; 22) (p13; q13); RBM15-MKL1 are added to the subtype of AML with recurrent genetic abnormalities, and AML with gene mutations of NPM1 and CEBPA are also added as provisional entities of it. The myeloid neoplasms of the 4th WHO classification are comprehensive and seem to be dynamic by incorporating the results of leukemia researches.
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PMID:[Classification of myeloid leukemias]. 1986 Jan 79

The present study was performed to provide direct evidence on copy number changes during progression from chronic phase (CP) to blastic phase (BP) in chronic myeloid leukemia (CML) through a longitudinal follow-up study. Matched CP and BP samples in three patients were analyzed using high-resolution array comparative genomic hybridization (aCGH) chips. During blastic transformation, loss of large genomic segments including 6q14.1-q22.31, chromosome 7 and 9p13.2-p21.3 were noted. Furthermore, small-sized copy number changes involving cancer-associated genes were observed. In addition, we identified a novel fusion gene consisted of PAX5 and MLLT3 (AF9). It is likely that blastic transformation of CML is a multi-step process associated accumulation of several genomic events which may largely overlap with those found in acute leukemias.
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PMID:Sequential array comparative genomic hybridization analysis identifies copy number changes during blastic transformation of chronic myeloid leukemia. 2230 91