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Preleukemia in children

J Blank, B Lange

    The Journal of Pediatrics
    |April 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Preleukemic syndromes in children can precede acute myelomonocytic leukemia (AMML), presenting with anemia and complications. Early treatment is crucial before life-threatening issues arise, though effective therapies remain limited.

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    Area of Science:

    • Pediatric Hematology Oncology
    • Leukemia Research
    • Cancer Etiology

    Background:

    • Acute myelomonocytic leukemia (AMML) in children can manifest with a preleukemic phase.
    • The incidence of preleukemic AMML in children is comparable to adult rates.

    Observation:

    • Preleukemic phase lasted 3-35 months, characterized by anemia, infections, and bleeding in some.
    • Steroid therapy showed objective responses in some patients before AMML diagnosis.
    • Two patients died before AMML-specific therapy, and all ultimately succumbed to the disease.

    Findings:

    • Unexplained cytopenias, peripheral blasts, and specific blood/marrow abnormalities indicate preleukemia.
    • Combination therapy including cytosine arabinoside and anthracyclines achieved complete remission in four patients.

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  • Despite treatment, all pediatric patients in the study died, highlighting the aggressive nature of the disease.

    • Implications:

    • Early diagnosis of preleukemic syndromes in children is critical for timely intervention.
    • Treatment timing for pediatric preleukemia remains uncertain due to limited effective therapies for acute nonlymphocytic leukemia (ANLL).
    • Initiating treatment before severe infectious or hemorrhagic complications is advised to improve outcomes.