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Related Experiment Videos

[Nonsymptomatic leukocytosis].

D Sauter1, K Spiekermann, M Feuring-Buske

  • 1Labor für Leukämiediagnostik, Medizinische Klinik III Klinikum der Universität München Grosshadern. daniela.sauter@med.uni-muenchen.de

MMW Fortschritte Der Medizin
|August 3, 2007
PubMed
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This summary is machine-generated.

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Leukocytosis, an elevated white blood cell count, can stem from various causes including infections or cancers. Further investigation like differential blood counts is crucial when the cause is unclear or serious conditions are suspected.

Area of Science:

  • Hematology
  • Clinical Pathology

Background:

  • Leukocytosis, an elevated white blood cell count, is frequently encountered in clinical settings.
  • It can result from an increase in neutrophils or other leukocyte populations.
  • Causes range from primary blood disorders like leukemia to reactive conditions such as infections and inflammation.

Purpose of the Study:

  • To outline the etiological spectrum of leukocytosis.
  • To describe the diagnostic approach for uncertain cases.
  • To highlight emergency situations like leukostasis.

Main Methods:

  • Review of etiological factors for leukocytosis.
  • Description of diagnostic work-up including differential blood counts, laboratory tests, bone marrow examination, microbiology, and imaging.

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  • Identification of emergency criteria for leukostasis.

    • Main Results:

    • Leukocytosis commonly arises from reactive causes like infections, smoking, inflammation, or drugs.
    • Primary causes include leukemia and lymphomas.
    • Moderate leukocytosis without a clear trigger warrants observation.

    Conclusions:

    • The differential blood count is central to diagnosing the cause of leukocytosis.
    • Diagnostic work-up is guided by clinical context and initial findings.
    • Leukostasis is a medical emergency requiring immediate intervention, such as leukapheresis.