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Related Experiment Videos

[Pseudothrombocytes in acute leukemias]

D Trpinac1, M Veg

  • 1Medicinski fakultet, Beograd, Histoloski institut.

Vojnosanitetski Pregled
|May 1, 1993
PubMed
Summary

Pseudoplatelets, cytoplasmic fragments resembling platelets, originate from non-megakaryocyte blood cells. Their presence in leukemia patients causes falsely elevated platelet counts, impacting diagnosis.

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Area of Science:

  • Hematology
  • Cytology
  • Oncology

Context:

  • Pseudoplatelets are observed in patients with leukemia and infections.
  • Their origin differs from typical platelets derived from megakaryocytes.
  • Falsely elevated platelet counts are a clinical concern.

Purpose:

  • To investigate the cytologic origin and characteristics of pseudoplatelets.
  • To examine pseudoplatelets in patients with acute leukemia using transmission electron microscopy.

Summary:

  • Transmission electron microscopy revealed pseudoplatelets in 23 acute leukemia patients.
  • These fragments budded from granulocytic, monocytic, and lymphocytic cells of varying maturity.
  • Pseudoplatelets are distinct from true platelets in their cellular origin.

Impact:

  • Highlights the importance of differentiating pseudoplatelets from true platelets for accurate diagnosis.
  • Provides cytologic evidence for the non-megakaryocytic origin of pseudoplatelets in leukemia.
  • Contributes to understanding hematologic abnormalities in acute leukemia.

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