Hodgkin Lymphoma: Biology and Differential Diagnostic Problem

Hodgkin lymphomas (HLs) are lymphoid neoplasms that are morphologically defined as being composed of dysplastic cells, namely, Hodgkin and Reed–Sternberg cells, in a reactive inflammatory background. The biological nature of HLs has long been unclear; however, our understanding of HL-related genetic...

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Main Authors: Taishi Takahara, Akira Satou, Toyonori Tsuzuki, Shigeo Nakamura
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Diagnostics
Subjects:
Online Access:https://www.mdpi.com/2075-4418/12/6/1507
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author Taishi Takahara
Akira Satou
Toyonori Tsuzuki
Shigeo Nakamura
author_facet Taishi Takahara
Akira Satou
Toyonori Tsuzuki
Shigeo Nakamura
author_sort Taishi Takahara
collection DOAJ
description Hodgkin lymphomas (HLs) are lymphoid neoplasms that are morphologically defined as being composed of dysplastic cells, namely, Hodgkin and Reed–Sternberg cells, in a reactive inflammatory background. The biological nature of HLs has long been unclear; however, our understanding of HL-related genetics and tumor microenvironment interactions is rapidly expanding. For example, cell surface overexpression of programmed cell death 1 ligand 1 (CD274/PD-L1) is now considered a defining feature of an HL subset, and targeting such immune checkpoint molecules is a promising therapeutic option. Still, HLs comprise multiple disease subtypes, and some HL features may overlap with its morphological mimics, posing challenging diagnostic and therapeutic problems. In this review, we summarize the recent advances in understanding the biology of HLs, and discuss approaches to differentiating HL and its mimics.
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spelling doaj.art-267d95ce758b48718f5002fe0ee6eaf22023-11-23T16:19:20ZengMDPI AGDiagnostics2075-44182022-06-01126150710.3390/diagnostics12061507Hodgkin Lymphoma: Biology and Differential Diagnostic ProblemTaishi Takahara0Akira Satou1Toyonori Tsuzuki2Shigeo Nakamura3Department of Surgical Pathology, Aichi Medical University, Nagakute 480-1195, JapanDepartment of Surgical Pathology, Aichi Medical University, Nagakute 480-1195, JapanDepartment of Surgical Pathology, Aichi Medical University, Nagakute 480-1195, JapanDepartment of Pathology and Laboratory Medicine, Nagoya University, Nagoya 464-8601, JapanHodgkin lymphomas (HLs) are lymphoid neoplasms that are morphologically defined as being composed of dysplastic cells, namely, Hodgkin and Reed–Sternberg cells, in a reactive inflammatory background. The biological nature of HLs has long been unclear; however, our understanding of HL-related genetics and tumor microenvironment interactions is rapidly expanding. For example, cell surface overexpression of programmed cell death 1 ligand 1 (CD274/PD-L1) is now considered a defining feature of an HL subset, and targeting such immune checkpoint molecules is a promising therapeutic option. Still, HLs comprise multiple disease subtypes, and some HL features may overlap with its morphological mimics, posing challenging diagnostic and therapeutic problems. In this review, we summarize the recent advances in understanding the biology of HLs, and discuss approaches to differentiating HL and its mimics.https://www.mdpi.com/2075-4418/12/6/1507Hodgkin lymphomageneticstumor microenvironment
spellingShingle Taishi Takahara
Akira Satou
Toyonori Tsuzuki
Shigeo Nakamura
Hodgkin Lymphoma: Biology and Differential Diagnostic Problem
Diagnostics
Hodgkin lymphoma
genetics
tumor microenvironment
title Hodgkin Lymphoma: Biology and Differential Diagnostic Problem
title_full Hodgkin Lymphoma: Biology and Differential Diagnostic Problem
title_fullStr Hodgkin Lymphoma: Biology and Differential Diagnostic Problem
title_full_unstemmed Hodgkin Lymphoma: Biology and Differential Diagnostic Problem
title_short Hodgkin Lymphoma: Biology and Differential Diagnostic Problem
title_sort hodgkin lymphoma biology and differential diagnostic problem
topic Hodgkin lymphoma
genetics
tumor microenvironment
url https://www.mdpi.com/2075-4418/12/6/1507
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AT akirasatou hodgkinlymphomabiologyanddifferentialdiagnosticproblem
AT toyonoritsuzuki hodgkinlymphomabiologyanddifferentialdiagnosticproblem
AT shigeonakamura hodgkinlymphomabiologyanddifferentialdiagnosticproblem