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Published on: August 23, 2024
[Morphologic and immunophenotypic analysis of angioimmunoblastic T-cell lymphoma]
Yuan-yuan Zheng1, Gang Chen, Xiao-ge Zhou
1Department of Pathology, Beijing Friendship Hospital, Capital University of Medical Sciences, Beijing 100050, China.
Summary
CD10 and CXCL13 are specific markers for diagnosing angioimmunoblastic T-cell lymphoma (AITL). Proliferative follicular dendritic cells (FDCs) in AITL may originate from germinal centers, aiding in diagnosis.
Area of Science:
- Hematology
- Immunopathology
- Oncology
Context:
- Angioimmunoblastic T-cell lymphoma (AITL) is an aggressive non-Hodgkin lymphoma.
- Accurate diagnosis relies on identifying specific immunophenotypic markers.
- The origin of reactive follicular dendritic cells (FDCs) in AITL is not fully understood.
Purpose:
- To investigate the diagnostic utility of CD10 and CXCL13 in AITL.
- To characterize the morphologic and immunophenotypic features of AITL.
- To explore the potential origin of proliferative FDCs in AITL.
Summary:
- Immunohistochemical analysis of 29 AITL cases revealed CD10 expression in 75.9% and CXCL13 in 82.8%.
- CD10 and CXCL13 demonstrated higher specificity and sensitivity for AITL diagnosis compared to bcl-6.
- Proliferative FDCs were observed in all AITL cases, with some cases showing extension beyond germinal centers, suggesting a germinal center origin.
Impact:
- CD10 and CXCL13 serve as valuable diagnostic markers for AITL.
- Understanding FDC origin may provide insights into AITL pathogenesis.
- This study enhances diagnostic accuracy for AITL, potentially improving patient outcomes.
