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A Simple and Practical Guide for Triaging Lymphocyte-rich Effusions for Ancillary Studies
Chih-Yi Liu1, Shih-Sung Chuang2
1Division of Pathology, Sijhih Cathay General Hospital, New Taipei City.
Advances in Anatomic Pathology
|November 24, 2020
Summary
Diagnosing lymphocyte-rich effusions can be challenging. This study presents a practical algorithm using cell appearance and clinical data to guide diagnosis and ancillary testing for accurate hematopathology.
Area of Science:
- Cytopathology
- Hematopathology
- Oncology
Background:
- Lymphocyte-rich effusions pose diagnostic challenges, potentially indicating benign conditions, primary effusion lymphoma, or secondary malignant effusions.
- Cytomorphologic examination is crucial but can be difficult, especially with small lymphocytes, leading to diagnostic uncertainty.
Purpose of the Study:
- To present a simple, practical algorithmic approach for the diagnosis of lymphocyte-rich effusions.
- To guide cytologists and cytopathologists in triaging specimens for further hematopathologic workup.
Main Methods:
- Utilizing cytomorphology (lymphocyte size, cellular atypia) and clinical information (history of lymphoma).
- Developing an algorithm to triage lymphocyte-rich effusion samples for ancillary studies like immunophenotyping and molecular assays.
Main Results:
- The proposed algorithm facilitates the differentiation of benign reactive conditions from malignant lymphomas.
- It aids in determining the necessity of comprehensive hematopathologic investigations.
Conclusions:
- A combined approach of cytomorphology, clinical correlation, and judicious use of ancillary techniques is essential for accurate diagnosis.
- The algorithmic approach improves the diagnostic yield and management of lymphocyte-rich effusions.
