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Published on: February 27, 2019
Fine-needle aspiration of lymph nodes: use of flow cytometry immunophenotyping
1Department of Pathology, University of California San Francisco School of Medicine 94143, USA.
Insights
Fine-needle aspiration aids lymphadenopathy diagnosis. Ancillary studies like flow cytometry and immunophenotyping enhance accuracy for common lymph node conditions.
Area of Science:
- Oncology
- Hematology
- Pathology
Background:
- Fine-needle aspiration (FNA) is a common procedure for evaluating lymphadenopathy.
- Limitations exist in FNA, potentially impacting definitive diagnosis.
- Ancillary studies can improve diagnostic yield.
Purpose of the Study:
- To discuss the utility of ancillary studies in lymph node fine-needle aspiration.
- To highlight the role of flow cytometry and immunophenotyping in diagnosing lymphadenopathies.
Main Methods:
- Review of fine-needle aspiration procedures for lymph nodes.
- Application of flow cytometry and immunophenotyping as ancillary techniques.
- Analysis of diagnostic capabilities for common lymphadenopathies.
Main Results:
- Fine-needle aspiration is a successful method for lymph node evaluation.
- Flow cytometry and immunophenotyping offer solutions to FNA limitations.
- These techniques aid in establishing definitive diagnoses for various lymphadenopathies.
Conclusions:
- Ancillary studies significantly improve the diagnostic accuracy of lymph node FNA.
- Flow cytometry and immunophenotyping are valuable tools for characterizing lymphadenopathies.
- Integration of these methods enhances clinical work-up of lymphadenopathy.
Abstract:
Fine-needle aspiration of lymph nodes can be used successfully in the clinical work-up of lymphadenopathy. The procedure has some limitations, some of which can be overcome by using such ancillary studies as flow cytometry or immunophenotyping. The authors discuss the use of these techniques in establishing definitive diagnosis of the most common and well-recognized lymphadenopathies.

