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{{DISPLAYTITLE:The 2022 classifications of B-cell lymphomas and plasma cell disorders}}
{{#seo:
|title=The 2022 classifications of B-cell lymphomas and plasma cell disorders - Top Italian Scientists Journal
|description=Tumors derived from B-lymphocytes at their various stage of maturation and differentiation (human B-cell lymphomas and leukemias) are the commonest hematological malignancies.
|keywords=Classification; B-cell; Lymphoma; Hodgkin; non-Hodgkin; Leukemia; Multiple Myeloma; plasma cell; WHO; ICC
|citation_author=Piccaluga, Pier Paolo; Khattab, Shaimaa
|citation_journal_title=Top Italian Scientists Journal 
|citation_publication_date=2024/03/05 
|citation_title=The 2022 classifications of B-cell lymphomas and plasma cell disorders
|citation_keywords=Classification; B-cell; Lymphoma; Hodgkin; non-Hodgkin; Leukemia; Multiple Myeloma; plasma cell; WHO; ICC
|citation_publisher=Top Italian Scientists
|citation_volume=1
|citation_issue=2
|citation_doi=10.62684/PYHQ4306
|citation_issn=3033-5132
|}}
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| '''Published'''
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| March 5, 2024
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| '''Title''' 
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| style="width:200px;" | The 2022 classifications of B-cell lymphomas and plasma cell disorders
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| '''Authors'''
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|   Pier Paolo Piccaluga, Shaimaa Khattab
|-
| '''DOI'''
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| [https://doi.org/10.62684/PYHQ4306 10.62684/PYHQ4306]
|-
| '''Keywords'''
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| Classification; B-cell; Lymphoma; Hodgkin; non-Hodgkin; Leukemia; Multiple Myeloma; plasma cell; WHO; ICC
|-
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'''[https://topitalianscientists.org/tis/4025/Pier_Paolo_Piccaluga_-_Top_Italian_Scientist_in_Biomedical_Sciences Pier Paolo Piccaluga]'''<sup>(a,b)</sup>, '''Shaimaa Khattab'''<sup>(a,b)</sup>

<sup>(a)</sup> Biobank of Research, IRCCS Azienda Ospedaliera-Universitaria di Bologna Policlinico di S. Orsola, Bologna, Italy. 

<sup>(b)</sup> Department of Medical and Surgical Sciences, Bologna University School of Medicine, Bologna, Italy. 

''Correspondence to'': Pier Paolo Piccaluga, Biobank of Research, IRCCS Azienda Ospedaliera-Universitaria di Bologna, Policlinico di S. Orsola; Institute of Hematology and Medical Oncology “L&A Seràgnoli” - Department of Medical and Surgical Sciences, University of Bologna, Italy; Via Massarenti, 9 – 40138 Bologna, Italy - Phone +39 0512141468 - Fax   +39 0512144037 – e-mail: pierpaolo.piccaluga@unibo.it

==Abstract==
Tumors derived from B-lymphocytes at their various stage of maturation and differentiation (human B-cell lymphomas and leukemias) are the commonest hematological malignancies. Previous editions of the World Health Organization (WHO) classification of Hematopoietic and lymphoid neoplasms, edited in 2001, 2008, and 2017, intended to standardize the diagnosis of hemopoietic neoplasms overall.
Recent advances in lymphoma research, mostly based on genomic as well as molecular analyses, have dramatically expanded our knowledge of lymphoma biology, this leading to improved diagnostic criteria, upgrading of provisional entities, and identification of new tumor types.
In 2022, two frameworks for classifying hematolymphoid neoplasms were proposed: the WHO-HAEM5 and the International Consensus Classification (ICC). Since a common nosography is essential for advancing health science and providing a foundation for precision medicine, it is critical to recognize possible differences and harmonize the diverse approaches. In this article, the Authors summarizes the key differences between the two most recent classifications by focusing on tumors derived from B-lymphocytes and plasma cells.

==Declarations==
===Acknowledgments===
Prof. Pier Paolo Piccaluga is currently affiliated to the Jomo Kenyatta University of Agriculture and Technology (Nairobi, Kenya), The University of Nairobi (Nairobi, Kenya), and the University of Botswana (Gaborone, Botswana).

===Conflict of Interest===
The Authors declare that there is no conflict of interest.

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