Neoplastic Process
blast phase Audio
blast phase
Subclass of:
Neoplastic Cell Transformation
Definitions related to blast phase:
  • (blast crisis) A phase of chronic myelogenous leukemia in which 20% or more of the cells in the blood or bone marrow are blast cells (immature blood cells). When tiredness, fever, and an enlarged spleen occur during the blastic phase, it is called blast crisis.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Blast crisis refers to the transformation of chronic myelogenous leukemia (CML) from the chronic or accelerated phase to blast phase. This is characterized by blast cells (?20% by WHO criteria; ?30% by MD Anderson Cancer Center and the International Bone Marrow Transplant Registry criteria) in the peripheral blood smear or the bone...
    Epocrates
    Athenahealth, Inc., 2019
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