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Related Experiment Videos

Plasmacytoid T-cells in a reactive lymph node. Detection by flow cytometry?

R Brubaker1, S H Swerdlow

  • 1Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati.

American Journal of Clinical Pathology
|April 1, 1990
PubMed
Summary

Plasmacytoid T-cells (PTCs) are now identifiable in reactive lymph nodes using flow cytometry. This finding helps prevent misdiagnosis of T-cell neoplasms.

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Area of Science:

  • Immunology
  • Hematology
  • Cell Biology

Background:

  • Plasmacytoid T-cells (PTCs) are recognized histologically in reactive lymph nodes.
  • Previous studies have not identified PTCs as a distinct population in reactive lymph nodes via flow cytometry.

Observation:

  • This study reports a case of reactive lymph node hyperplasia.
  • Prominent aggregates of PTCs were observed histologically.
  • A distinct cell population with a characteristic PTC immunophenotype was identified using flow cytometry.

Findings:

  • Flow cytometry successfully identified plasmacytoid T-cells (PTCs) as a distinct population in a reactive lymph node.
  • The identified PTCs exhibited an immunophenotype consistent with this cell type.

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Implications:

  • This identification method aids in distinguishing reactive PTCs from neoplastic T-cells.
  • Prevents potential misinterpretation of T-cell populations in flow cytometry analysis.
  • Enhances diagnostic accuracy in lymph node pathology.