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Evaluation of FoxP3 expression in peripheral T-cell lymphoma


Bonzheim, I; Geissinger, E; Tinguely, M; Roth, S; Grieb, T; Reimer, P; Wilhelm, M J; Rosenwald, A; Müller-Hermelink, H K; Rüdiger, T (2008). Evaluation of FoxP3 expression in peripheral T-cell lymphoma. American Journal of Clinical Pathology, 130(4):613-619.

Abstract

Peripheral T-cell lymphomas (PTCLs) are biologically heterogeneous and have not been successfully correlated with specific T-cell subsets. We investigated PTCL, not otherwise specified (NOS), angioimmunoblastic T-cell lymphoma (AILT), and anaplastic large cell lymphoma (ALCL) cases for FoxP3 expression to determine a potential derivation from regulatory T (Treg) cells. One PTCL-NOS case strongly expressed FoxP3 in the neoplastic T cells and showed unusual histomorphologic features with a dense infiltration of the lymph node by immunoblastic T cells and almost no reactive background infiltrate. The patient died shortly after diagnosis, suggesting that biologic properties of Treg cells may have contributed to the rapidly fatal clinical course. All remaining PTCL-NOS and AILT cases showed FoxP3 positivity only in the reactive infiltrate. Among ALCL cases, 4 of 6 ALK+ cases displayed weak and inhomogeneous FoxP3 expression in the tumor cells. FoxP3+ PTCL-NOS presumably derived from bona fide Treg cells occurs but seems rare in the Western population.

Abstract

Peripheral T-cell lymphomas (PTCLs) are biologically heterogeneous and have not been successfully correlated with specific T-cell subsets. We investigated PTCL, not otherwise specified (NOS), angioimmunoblastic T-cell lymphoma (AILT), and anaplastic large cell lymphoma (ALCL) cases for FoxP3 expression to determine a potential derivation from regulatory T (Treg) cells. One PTCL-NOS case strongly expressed FoxP3 in the neoplastic T cells and showed unusual histomorphologic features with a dense infiltration of the lymph node by immunoblastic T cells and almost no reactive background infiltrate. The patient died shortly after diagnosis, suggesting that biologic properties of Treg cells may have contributed to the rapidly fatal clinical course. All remaining PTCL-NOS and AILT cases showed FoxP3 positivity only in the reactive infiltrate. Among ALCL cases, 4 of 6 ALK+ cases displayed weak and inhomogeneous FoxP3 expression in the tumor cells. FoxP3+ PTCL-NOS presumably derived from bona fide Treg cells occurs but seems rare in the Western population.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Pathology and Molecular Pathology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2008
Deposited On:21 Jan 2009 12:54
Last Modified:06 Dec 2017 17:04
Publisher:Lippincott Wiliams & Wilkins
ISSN:0002-9173
Publisher DOI:https://doi.org/10.1309/L65GWEQ803PP6VX1
PubMed ID:18794055

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