Neoplastic Process
acute leukemia Audio
a·cute leu·ke·mi·a [ uh-kyoot loo-kee-mee-uh ]
Definitions related to acute leukemia:
  • A clonal (malignant) hematopoietic disorder with an acute onset, affecting the bone marrow and the peripheral blood. The malignant cells show minimal differentiation and are called blasts, either myeloid blasts (myeloblasts) or lymphoid blasts (lymphoblasts).
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • A rapidly progressing cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of white blood cells to be produced and enter the blood stream.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Leukemia in which the involved cell shows little or no differentiation, usually consisting of blast cells; two types are distinguished, acute lymphocytic and acute myelogenous leukemia.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.