open access

Vol 52, No 4 (2021)
Review article
Published online: 2021-08-31
Submitted: 2021-07-13
Accepted: 2021-07-14
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Hodgkin lymphoma: differences and differential diagnosis

Andrzej Gruchała1
DOI: 10.5603/AHP.2021.0058
·
Acta Haematol Pol 2021;52(4):305-308.
Affiliations
  1. National Institute of Oncology, Institute of Research M. Sklodowska-Curie Memory, Krakow Branch, Poland

open access

Vol 52, No 4 (2021)
REVIEW ARTICLE
Published online: 2021-08-31
Submitted: 2021-07-13
Accepted: 2021-07-14

Abstract

Hodgkin lymphoma accounts for approximately 15% of all lymphomas. The World Health Organization 2017 classification lists two main types as separate entities: classic Hodgkin lymphoma and nodular lymphocyte predominant Hodgkin lymphoma (NLPHL).

The morphology of neoplastic cells differs slightly in both types, while these cells in typical cases show a different immunophenotype. Overlapping histological images and immunophenotypes cause diagnostic difficulties and the need for detailed differential analysis. The classic form accounts for about 90% of cases and occurs in four histoclinical subtypes, requires differentiation from other lymphomas and immunoproliferation, and neoplasms with other differentiation. NLPHL occurs in six immunohistochemical patterns. An increase in the number of T lymphocytes and histiocytes, and a disappearance of the nodular structure, are associated with a more aggressive course and the possibility of transformation into diffuse large B-cell lymphoma, most often T-cell/histiocyte rich large B-cell lymphoma. Recent reports demonstrate the importance of stroma in maintaining tumor viability. Accurate histopathological diagnosis must be based on representative material that allows the assessment of the architecture of the tissue.

Abstract

Hodgkin lymphoma accounts for approximately 15% of all lymphomas. The World Health Organization 2017 classification lists two main types as separate entities: classic Hodgkin lymphoma and nodular lymphocyte predominant Hodgkin lymphoma (NLPHL).

The morphology of neoplastic cells differs slightly in both types, while these cells in typical cases show a different immunophenotype. Overlapping histological images and immunophenotypes cause diagnostic difficulties and the need for detailed differential analysis. The classic form accounts for about 90% of cases and occurs in four histoclinical subtypes, requires differentiation from other lymphomas and immunoproliferation, and neoplasms with other differentiation. NLPHL occurs in six immunohistochemical patterns. An increase in the number of T lymphocytes and histiocytes, and a disappearance of the nodular structure, are associated with a more aggressive course and the possibility of transformation into diffuse large B-cell lymphoma, most often T-cell/histiocyte rich large B-cell lymphoma. Recent reports demonstrate the importance of stroma in maintaining tumor viability. Accurate histopathological diagnosis must be based on representative material that allows the assessment of the architecture of the tissue.

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Keywords

classic Hodgkin lymphoma, nodular lymphocyte predominant Hodgkin lymphoma, gray zone lymphoma

About this article
Title

Hodgkin lymphoma: differences and differential diagnosis

Journal

Acta Haematologica Polonica

Issue

Vol 52, No 4 (2021)

Article type

Review article

Pages

305-308

Published online

2021-08-31

DOI

10.5603/AHP.2021.0058

Bibliographic record

Acta Haematol Pol 2021;52(4):305-308.

Keywords

classic Hodgkin lymphoma
nodular lymphocyte predominant Hodgkin lymphoma
gray zone lymphoma

Authors

Andrzej Gruchała

References (19)
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