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Updated: Jan 29, 2026

Flow Cytometry-based Assay for the Monitoring of NK Cell Functions
Published on: October 30, 2016
Flow Cytometry Applications in the Diagnosis of T/NK-Cell Lymphoproliferative Disorders
Dragan Jevremovic1, Horatiu Olteanu1
1Division of Hematopathology, Department of Pathology and Laboratory Medicine, Mayo Clinic, Rochester, Minnesota.
Insights
Flow cytometry is crucial for diagnosing, predicting outcomes, and monitoring T-cell and NK-cell lymphoproliferative disorders. This method aids in understanding immunophenotypic markers for better patient management.
Area of Science:
- Immunology
- Hematology
- Clinical Cytometry
Background:
- T-cell and NK-cell lymphoproliferative disorders require precise diagnostic tools.
- Flow cytometry offers a detailed analysis of cellular characteristics.
Purpose of the Study:
- To provide a comprehensive overview of flow cytometry's role in T and NK-cell lymphoproliferative disorders.
- To discuss diagnostic, prognostic, and follow-up applications of flow cytometry.
Main Methods:
- Review of immunophenotypic features of normal and abnormal T and NK cells.
- Discussion of technical aspects, diagnostic approaches, and interpretation pitfalls in flow cytometry.
- Inclusion of new immunophenotypic markers and correlation with ancillary tests.
Main Results:
- Flow cytometry is essential for accurate diagnosis and prognosis.
- It plays a key role in monitoring treatment response and managing patients.
- New markers enhance diagnostic capabilities.
Conclusions:
- Flow cytometry is indispensable for the comprehensive management of T and NK-cell lymphoproliferative disorders.
- Integration with other tests improves diagnostic accuracy.
- The technique is vital for patient follow-up and therapeutic strategies.
Abstract:
This article provides an overview of the role of flow cytometry in the diagnosis, prognosis, and follow-up of T and NK-cell lymphoproliferative disorders. For each category, we will briefly discuss the immunophenotypic features of normal T and NK cells, and address technical issues in flow cytometry, the approach to diagnosis in various contexts, pitfalls in interpretation, and its use in follow-up and post-therapy management. In addition to reviewing the diagnostic, prognostic, and therapeutic utility of flow cytometric immunophenotyping in several of specific T and NK cell entities, we will also cover some of the new immunophenotypic markers. Furthermore, we will touch upon incorporation of flow cytometry in the final diagnosis, including correlation with other ancillary tests. © 2019 International Clinical Cytometry Society.
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