Application of flow cytometry immunophenotypic analysis for the diagnosis of mature B-cell lymphomas/leukemias

Hong Fang1, Sa A Wang1, L Jeffrey Medeiros1

  • 1Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.

Human Pathology
|December 21, 2024
PubMed

Insights

Flow cytometry immunophenotyping (FCI) is crucial for diagnosing mature B-cell lymphomas and leukemias using small biopsy samples. This method efficiently analyzes multiple cell antigens, aiding in timely diagnosis and guiding further testing.

Area of Science:

  • Hematology
  • Immunology
  • Oncology

Background:

  • Flow cytometry immunophenotyping (FCI) is essential for diagnosing mature B-cell lymphomas/leukemias.
  • Small fine needle aspiration and needle core biopsies are increasingly utilized for diagnosis.
  • FCI offers multiparametric analysis of antigen expression on individual cells.

Purpose of the Study:

  • To present practical approaches for utilizing FCI in diagnosing mature B-cell neoplasms.
  • To discuss the immunophenotypic features of common mature B-cell neoplasms.
  • To highlight diagnostic challenges and potential pitfalls of FCI in this context.

Main Methods:

  • Review of common and practical approaches for FCI in mature B-cell neoplasm diagnosis.
  • Analysis of immunophenotypic features of mature B-cell neoplasms.
  • Discussion of diagnostic challenges and pitfalls.

Main Results:

  • FCI provides simultaneous qualitative and quantitative analysis of multiple antigens on single cells.
  • FCI offers time-sensitive information for triaging immunohistochemical and molecular studies.
  • The review details common diagnostic strategies and potential issues in FCI.

Conclusions:

  • FCI is an indispensable tool for diagnosing mature B-cell lymphomas/leukemias, especially from small biopsies.
  • The multiparametric nature of FCI allows for comprehensive cellular analysis.
  • Understanding FCI features, challenges, and pitfalls is key for accurate diagnosis.