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skos:definition |
MSH: The phase of chronic myeloid leukemia following the chronic phase (LEUKEMIA, MYELOID, CHRONIC-PHASE), where there are increased systemic symptoms, worsening cytopenias, and refractory LEUKOCYTOSIS.,NCI: A phase of chronic myelogenous leukemia in which the disease is progressing. In this phase, 10% to 19% of the cells in the blood and bone marrow are blast cells (immature blood cells).,NCI: A phase of chronic myelogenous leukemia characterized by one or more of the following: 1) Myeloblasts accounting for 10-19% of the peripheral blood white cells or of the nucleated cells in the bone marrow, 2) peripheral blood basophils at least 20%, 3) persistent thrombocytopenia that is unrelated to therapy, 4) persistent thrombocytosis despite adequate therapy, 5) increasing white blood cell count and increasing spleen size unresponsive to therapy, and/or evidence of clonal evolution. (WHO, 2001)
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