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Lazy leukocyte syndrome.

F Patrone, F Dallegri, A Rebora

    Blut
    |October 1, 1979
    PubMed
    Summary

    Lazy leukocyte syndrome is a rare condition causing recurrent infections due to defective neutrophil movement. This case highlights impaired granulocyte release despite normal bone marrow reserves.

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    Area of Science:

    • Immunology
    • Hematology
    • Cell Biology

    Background:

    • Neutropenia and recurrent infections can indicate underlying immune dysfunction.
    • Neutrophil function, including chemotaxis and motility, is crucial for combating infections.

    Observation:

    • A 35-year-old woman presented with a history of neutropenia and recurrent infections.
    • Defective neutrophil chemotaxis, random motility, and in vivo migration were observed.
    • Normal bone marrow granulocyte reserves were noted, but etiocholanolone failed to elicit adequate granulocyte release.

    Findings:

    • The patient's presentation is characteristic of Lazy Leukocyte Syndrome.
    • This syndrome involves impaired neutrophil mobilization from bone marrow reserves.
    • Pathophysiological aspects and clinical features of five reported cases are discussed.

    Implications:

    • Understanding Lazy Leukocyte Syndrome is vital for diagnosing and managing recurrent infections in neutropenic patients.
    • Further research into neutrophil mobilization defects can improve therapeutic strategies.
    • This case contributes to the limited literature on Lazy Leukocyte Syndrome, aiding differential diagnosis.

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