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Chronic lymphoid leukemias and lymphoproliferative disorders
1Department of Pathology, University of New Mexico Health Sciences Center, Albuquerque 87106, USA. kfoucar@salud.unm.edu
Summary
Chronic lymphoproliferative disorders (CLPDs) involve mature B or T cell proliferation. This review focuses on leukemic CLPDs, detailing their blood and bone marrow characteristics for accurate diagnosis and classification.
Area of Science:
- Hematology
- Oncology
- Immunology
Background:
- Chronic lymphoproliferative disorders (CLPDs) arise from clonal expansion of mature B or T lymphocytes.
- CLPDs manifest primarily in the blood and bone marrow (leukemias) or extramedullary sites (lymphomas).
Purpose of the Study:
- To review leukemic chronic lymphoproliferative disorders.
- To emphasize the hematologic and bone marrow features crucial for diagnosis and classification.
Main Methods:
- Integration of morphologic, immunophenotypic, and clinical data for classification.
- Discussion of common B-cell and T-cell CLPD subtypes.
Main Results:
- CLPD classification necessitates a multidisciplinary approach.
- Distinct B-cell and T-cell CLPD entities exhibit characteristic blood and bone marrow findings.
Conclusions:
- Accurate classification of CLPDs relies on combining morphology, immunophenotype, and clinical context.
- Genotypic analysis may offer prognostic and biologic insights into CLPDs.