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Multidimensional flow cytometry immunophenotyping of hematologic malignancy
Guido Pagnucco1, Laura Vanelli, Francesco Gervasi
1Division of Hematology, Department of Oncology, A.R.N.A.S. Civico-Benfratelli, G. Di Cristina e M. Ascoli, 90100 Palermo, Italy.
Insights
Flow cytometry immunophenotyping reveals aberrant cell phenotypes in hematologic malignancies. Advanced gating strategies improve the identification and characterization of these neoplastic cells.
Area of Science:
- Hematology
- Immunology
- Cell Biology
Background:
- Flow cytometry is crucial for immunophenotyping hematologic malignancies.
- Neoplastic cells classically mirror normal cell precursors but often show aberrant phenotypes.
- Aberrant phenotypes are linked to genetic abnormalities and are nearly universal in many hematologic cancers.
Purpose of the Study:
- To review recent advancements in flow cytometry techniques.
- To highlight the role of improved gating strategies in identifying neoplastic cells.
- To enhance the characterization of various hematologic malignancies.
Main Methods:
- Review of recent literature on flow cytometry applications in hematology.
- Analysis of established and novel gating strategies for cell population analysis.
- Correlation of immunophenotypic data with specific hematologic malignancies.
Main Results:
- Flow cytometry immunophenotyping is a key diagnostic tool.
- Aberrant phenotypes are common in hematologic malignancies, reflecting underlying genetic changes.
- Specific gating strategies are essential for accurate identification and characterization of neoplastic cells.
Conclusions:
- Flow cytometry, particularly with advanced gating, is vital for diagnosing hematologic malignancies.
- Understanding aberrant phenotypes aids in disease classification and monitoring.
- Continued research in flow cytometry enhances diagnostic precision for blood cancers.
Abstract:
Immunophenotyping of hematologic malignancies represents one of the most relevant clinical applications of flow cytometry. Classically, leukemic/lymphomatous cells have been considered to reflect the immunophenotypic characteristics of different precursors and mature healthy cells blocked at certain differentiation stages. Recently, accumulating evidence has shown that neoplastic cells display several aberrant phenotypic patterns. These aberrant phenotypes are believed to reflect genetic abnormalities present in pathologic cells, and recent data have shown that at least in acute leukemias, myelodysplastic syndromes, chronic lymphoproliferative disorders, and plasma cell dyscrasias, they may be present in almost all patients. The aim of this work is to review recent advances in flow cytometry and the role of gating strategies more useful in the identification and characterization of neoplastic cells of different hematologic malignancies.