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Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
09:02

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Published on: November 26, 2018

Aberrant expression of the CD8 antigen in B cell chronic lymphocytic leukaemia

A Espinosa1, P Bjørk, K Magnussen

  • 1Department of Immunology and Transfusion Medicine, University Hospital of Trondheim, St Olavs Hospital, Olav Kyrresg, Trondheim 17, 7006, Norway. aurora.espinosa@rit.no

Leukemia & Lymphoma
|April 15, 2003
PubMed

Insights

This study details a rare case of B cell chronic lymphocytic leukemia (B-CLL) with aberrant CD8 T cell marker expression. The patient responded well to treatment, showing a significant reduction in leukemia cells.

Area of Science:

  • Hematology
  • Immunology
  • Oncology

Background:

  • B cell chronic lymphocytic leukemia (B-CLL) is a common lymphoid malignancy.
  • Immunophenotyping is crucial for diagnosing and classifying B-CLL.
  • Aberrant antigen expression can occur in B-CLL, impacting prognosis and treatment.

Observation:

  • A 62-year-old female presented with enlarged lymph nodes and suspected B-CLL.
  • Flow cytometry revealed a typical B-CLL immunophenotype.
  • Aberrant expression of the T cell marker CD8 was detected on 64% of leukemic cells.

Findings:

  • The co-expression of CD8 on B-CLL cells is a rare finding.
  • The clinical significance and biological basis of this CD8 aberrant expression remain to be fully elucidated.
  • The patient exhibited a rapid and positive response to treatment.

Implications:

  • This case highlights the importance of comprehensive immunophenotyping in B-CLL diagnosis.
  • Understanding aberrant antigen expression may lead to novel therapeutic strategies.
  • Further research is needed to determine the prognostic and therapeutic implications of CD8 co-expression in B-CLL.

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