1
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Prior D, Schmitt AD, Louissaint A, Mata DA, Massaro S, Nardi V, Xu ML. Large B-cell lymphoma with mystery rearrangement: Applying Hi-C to the detection of clinically relevant structural abnormalities. Br J Haematol 2024. [PMID: 38924537 DOI: 10.1111/bjh.19611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024]
Affiliation(s)
- Daniel Prior
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, USA
| | | | - Abner Louissaint
- Department of Pathology, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Stephanie Massaro
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Valentina Nardi
- Department of Pathology, Harvard Medical School, Boston, Massachusetts, USA
| | - Mina L Xu
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut, USA
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2
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Attygalle AD, Chan JKC, Coupland SE, Du MQ, Ferry JA, de Jong D, Gratzinger D, Lim MS, Nicolae A, Ott G, Rosenwald A, Schuh A, Siebert R. What is new in the 5th edition of the World Health Organization classification of mature B and T/NK cell tumors and stromal neoplasms? J Hematop 2024; 17:71-89. [PMID: 38683440 DOI: 10.1007/s12308-024-00585-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024] Open
Abstract
The classification of tumors is essential in the diagnosis and clinical management of patients with malignant neoplasms. The World Health Organization (WHO) provides a globally applicable classification scheme of neoplasms and it was updated several times. In this review, we briefly outline the cornerstones of the upcoming 5th edition of the World Health Organization Classification of Haematolymphoid Tumours on lymphoid neoplasms. As is adopted throughout the 5th edition of the WHO classification of tumors of all organ systems, entities are listed by a hierarchical system. For the first time, tumor-like lesions have been included in the classification, and modifications of nomenclature for some entities, revisions of diagnostic criteria or subtypes, deletion of certain entities, and introduction of new entities are presented along with mesenchymal lesions specific to the stroma of lymph nodes and the spleen. In addition to specific outlines on constitutional and somatic genetic changes associated with given entities, a separate chapter on germline predisposition syndromes related to hematologic neoplasms has been added.
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Affiliation(s)
- Ayoma D Attygalle
- Department of Histopathology, The Royal Marsden Hospital, London, SW3 6JJ, UK
| | - John K C Chan
- Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong SAR, China
| | - Sarah E Coupland
- Department of Molecular and Clinical Cancer Medicine, ISMIB, University of Liverpool, Liverpool, UK
- Liverpool Clinical Laboratories, Liverpool University Hospitals Foundation Trust, Liverpool, UK
| | - Ming-Qing Du
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Judith A Ferry
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.
| | - Daphne de Jong
- Department of Pathology, the Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Dita Gratzinger
- Department of Pathology, Stanford University School of Medicine, Stanford, USA
| | - Megan S Lim
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Alina Nicolae
- Department of Pathology, Hautepierre, University Hospital of Strasbourg, Strasbourg, France
| | - German Ott
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, Auerbachstr. 110, 70376, Stuttgart, Germany.
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany.
| | - Andreas Rosenwald
- Institute of Pathology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
- Cancer Center Mainfranken, Würzburg, Germany
| | - Anna Schuh
- Department of Oncology, University of Oxford, Oxford, UK
| | - Reiner Siebert
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
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3
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Ware AD, Davis K, Xian RR. Molecular Pathology of Mature Lymphoid Malignancies. Clin Lab Med 2024; 44:355-376. [PMID: 38821649 DOI: 10.1016/j.cll.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2024]
Abstract
Lymphoid malignancies are a broad and heterogeneous group of neoplasms. In the past decade, the genetic landscape of these tumors has been explored and cataloged in fine detail offering a glimpse into the mechanisms of lymphomagenesis and new opportunities to translate these findings into patient management. A myriad of studies have demonstrated both distinctive and overlapping molecular and chromosomal abnormalities that have influenced the diagnosis and classification of lymphoma, disease prognosis, and treatment selection.
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Affiliation(s)
- Alisha D Ware
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, 27514, USA
| | - Katelynn Davis
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Rena R Xian
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, 27514, USA; Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Medical Institutions, Johns Hopkins School of Medicine, 1812 Ashland Avenue, Suite 200, Baltimore, MD 21205, USA.
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4
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Hartmann S, Rudelius M. [New classifications of malignant lymphomas - What changes are relevant for practice?]. Dtsch Med Wochenschr 2024; 149:613-620. [PMID: 38749437 DOI: 10.1055/a-2160-5267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
An internationally uniform lymphoma classification is of fundamental importance for the comparability of clinical studies. There are currently 2 parallel classifications: the "International Consensus Classification" and the WHO-classification. Follicular lymphoma 3B is classified separately as follicular large cell lymphoma in WHO-HAEM5. The diagnostic criteria of lymphoplasmocytic lymphoma (LPL) have been adjusted, both classifications recommend molecular testing for MYD88 and CXCR4 mutations. There are no significant diagnostic changes in aggressive B-cell lymphomas. The ICC classify NLPBL and THRLBCL into the group of large B-cell lymphomas (LBCL). NLPHL/NLPBL-specific therapy must be considered, which differs greatly from the therapy of DLBCL, especially in the early stages. Peripheral T-cell lymphomas are a group of nodal T-cell lymphomas with a TFH phenotype and frequent mutations; peripheral T-cell lymphoma (NOS) is therefore a diagnosis of exclusion. Indolent T-cell lymphomas/lymphoproliferations of the GI tract are rare but must be differentiated from aggressive T-cell lymphomas. The WHO-HAEM5 also includes reactive/non-neoplastic lymph node lesions classified according to B or T cell predominance.
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5
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Crane GM. Cancer Biomarkers V: Update on B-Cell Lymphoma Biomarkers. Arch Pathol Lab Med 2024; 148:e90-e95. [PMID: 37776258 DOI: 10.5858/arpa.2023-0056-ra] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2023] [Indexed: 10/02/2023]
Abstract
CONTEXT Pathologists play an increasingly critical role in optimizing testing on scant specimens to ensure patients not only receive a correct and timely diagnosis, but also that the appropriate evaluation of biologic markers, or "biomarkers," is performed to inform prognosis and best guide therapeutic options. Advances in biomarkers have been particularly impactful in the field of hematopathology, where the identification of cytogenetic abnormalities, specific mutations, morphologic features, and/or protein expression may help guide clinical decision-making, including type and intensity of therapy and eligibility for clinical trials. OBJECTIVE To stay up to date with advances in relevant biomarkers for diagnosis, prognosis, and therapy. The Cancer Biomarkers Conference (CBC) has been developed as a highly focused meeting to provide key biomarker updates across medical fields with the inclusion of industry partners, to reach a broader audience, and cross-pollinate emerging areas for biomarker application and future discovery. The objective of this article is to raise awareness of the potential utility of such meetings for improving patient care and facilitating collaboration. DATA SOURCES Recently released guidelines related to B-cell lymphoma diagnosis from the World Health Organization and International Consensus Classification and associated manuscripts are reviewed. Material presented at the CBC conference is summarized. CONCLUSIONS This article covers highlights of the updates presented on B-cell lymphoma biomarkers at the most recent Cancer Biomarkers Conference in Flowood, Mississippi, in September 2022.
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Affiliation(s)
- Genevieve M Crane
- From the Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio
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6
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Sánchez-Beato M, Méndez M, Guirado M, Pedrosa L, Sequero S, Yanguas-Casás N, de la Cruz-Merino L, Gálvez L, Llanos M, García JF, Provencio M. A genetic profiling guideline to support diagnosis and clinical management of lymphomas. Clin Transl Oncol 2024; 26:1043-1062. [PMID: 37672206 PMCID: PMC11026206 DOI: 10.1007/s12094-023-03307-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/09/2023] [Indexed: 09/07/2023]
Abstract
The new lymphoma classifications (International Consensus Classification of Mature Lymphoid Neoplasms, and 5th World Health Organization Classification of Lymphoid Neoplasms) include genetics as an integral part of lymphoma diagnosis, allowing better lymphoma subclassification, patient risk stratification, and prediction of treatment response. Lymphomas are characterized by very few recurrent and disease-specific mutations, and most entities have a heterogenous genetic landscape with a long tail of recurrently mutated genes. Most of these occur at low frequencies, reflecting the clinical heterogeneity of lymphomas. Multiple studies have identified genetic markers that improve diagnostics and prognostication, and next-generation sequencing is becoming an essential tool in the clinical laboratory. This review provides a "next-generation sequencing" guide for lymphomas. It discusses the genetic alterations of the most frequent mature lymphoma entities with diagnostic, prognostic, and predictive potential and proposes targeted sequencing panels to detect mutations and copy-number alterations for B- and NK/T-cell lymphomas.
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Affiliation(s)
- Margarita Sánchez-Beato
- Servicio de Oncología Médica, Grupo de Investigación en Linfomas, Hospital Universitario Puerta de Hierro-Majadahonda, IDIPHISA, Madrid, Spain.
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain.
| | - Miriam Méndez
- Servicio de Oncología Médica, Grupo de Investigación en Linfomas, Hospital Universitario Puerta de Hierro-Majadahonda, IDIPHISA, Madrid, Spain
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Servicio de Oncología Médica, Hospital Universitario Puerta de Hierro-Majadahonda, IDIPHISA, Madrid, Spain
| | - María Guirado
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Servicio de Oncología Médica, Hospital General Universitario de Elche, Alicante, Spain
| | - Lucía Pedrosa
- Servicio de Oncología Médica, Grupo de Investigación en Linfomas, Hospital Universitario Puerta de Hierro-Majadahonda, IDIPHISA, Madrid, Spain
| | - Silvia Sequero
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Servicio de Oncología Médica, Hospital Universitario San Cecilio, Granada, Spain
| | - Natalia Yanguas-Casás
- Servicio de Oncología Médica, Grupo de Investigación en Linfomas, Hospital Universitario Puerta de Hierro-Majadahonda, IDIPHISA, Madrid, Spain
| | - Luis de la Cruz-Merino
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Servicio de Oncología Médica, Facultad de Medicina, Hospital Universitario Virgen Macarena, Universidad de Sevilla, Instituto de Biomedicina de Sevilla (IBID)/CSIC, Seville, Spain
| | - Laura Gálvez
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Unidad de Gestión Clínica Intercentros de Oncología Médica, Hospitales Universitarios Regional y Virgen de la Victoria, Málaga, Spain
| | - Marta Llanos
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Servicio de Oncología Médica, Hospital Universitario de Canarias, La Laguna, Sta. Cruz de Tenerife, Spain
| | - Juan Fernando García
- Servicio de Anatomía Patológica, Hospital MD Anderson Cancer Center, Madrid, Spain
| | - Mariano Provencio
- Servicio de Oncología Médica, Grupo de Investigación en Linfomas, Hospital Universitario Puerta de Hierro-Majadahonda, IDIPHISA, Madrid, Spain
- Grupo Oncológico para el Tratamiento y Estudio de los Linfomas-GOTEL, Madrid, Spain
- Servicio de Oncología Médica, Departamento de Medicina, Facultad de Medicina, Hospital Universitario Puerta de Hierro-Majadahonda, Universidad Autónoma de Madrid, IDIPHISA, Madrid, Spain
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7
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López C, Fischer A, Rosenwald A, Siebert R, Ott G, Kurz KS. Genetic alterations in mature B- and T-cell lymphomas - a practical guide to WHO-HAEM5. MED GENET-BERLIN 2024; 36:59-73. [PMID: 38835967 PMCID: PMC11006337 DOI: 10.1515/medgen-2024-2005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
The identification of recurrent genomic alterations in tumour cells has a significant role in the classification of mature B- and T-cell lymphomas. Following the development of new technologies, such as next generation sequencing and the improvement of classical technologies such as conventional and molecular cytogenetics, a huge catalogue of genomic alterations in lymphoid neoplasms has been established. These alterations are relevant to refine the taxonomy of the classification of lymphomas, to scrutinize the differential diagnosis within different lymphoma entities and to help assessing the prognosis and clinical management of the patients. Consequently, here we describe the key genetic alterations relevant in mature B- and T-cell lymphomas.
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Affiliation(s)
- Cristina López
- Universität Würzburg Institut für Pathologie Würzburg Germany
| | - Anja Fischer
- Universität Ulm und Universitätsklinikum Ulm Institut für Humangenetik Ulm Germany
| | - Andreas Rosenwald
- Robert-Bosch-Krankenhaus Abteilung für Klinische Pathologie Stuttgart Germany
| | - Reiner Siebert
- Robert-Bosch-Krankenhaus Abteilung für Klinische Pathologie Stuttgart Germany
| | - German Ott
- Universität Ulm und Universitätsklinikum Ulm Institut für Humangenetik Ulm Germany
| | - Katrin S Kurz
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Molecular Pathology Laboratory Barcelona Spain
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8
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Carreras J, Ikoma H, Kikuti YY, Miyaoka M, Hiraiwa S, Tomita S, Kondo Y, Ito A, Nagase S, Miura H, Kawada H, Roncador G, Campo E, Hamoudi R, Nakamura N. Mutational, immune microenvironment, and clinicopathological profiles of diffuse large B-cell lymphoma and follicular lymphoma with BCL6 rearrangement. Virchows Arch 2024; 484:657-676. [PMID: 38462571 DOI: 10.1007/s00428-024-03774-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 02/13/2024] [Accepted: 02/26/2024] [Indexed: 03/12/2024]
Abstract
BCL6-rearrangement (BCL6-R) is associated with a favorable prognosis of follicular lymphoma (FL), but the mechanism is unknown. We analyzed the clinicopathological, immune microenvironment (immune checkpoint, immuno-oncology markers), and mutational profiles of 10 BCL6-R-positive FL, and 19 BCL6-R-positive diffuse large B-cell lymphoma (DLBCL) cases (both BCL2-R and MYC-R negative). A custom-made panel included 168 genes related to aggressive B-cell lymphomas and FL. FL cases were nodal, histological grade 3A in 70%, low Ki67; and had a favorable overall and progression-free survival. DLBCL cases were extranodal in 60%, IPI high in 63%, non-GCB in 60%, EBER-negative; and had a progression-free survival comparable to that of DLBCL NOS. The microenvironment had variable infiltration of M2-like tumor-associated macrophages (TAMs) that were CD163, CSF1R, LAIR1, PD-L1, and CD85A (LILRB3) positive; but had low IL10 and PTX3 expression. In comparison to FL, DLBCL had higher TAMs, IL10, and PTX3 expression. Both lymphoma subtypes shared a common mutational profile with mutations in relevant pathogenic genes such as KMT2D, OSBPL10, CREBBP, and HLA-B (related to chromatin remodeling, metabolism, epigenetic modification, and antigen presentation). FL cases were characterized by a higher frequency of mutations of ARID1B, ATM, CD36, RHOA, PLOD2, and PRPRD (p < 0.05). DLBCL cases were characterized by mutations of BTG2, and PIM1; and mutations of HIST1H1E and MFHAS1 to disease progression (p < 0.05). Interestingly, mutations of genes usually associated with poor prognosis, such as NOTCH1/2 and CDKN2A, were infrequent in both lymphoma subtypes. Some high-confidence variant calls were likely oncogenic, loss-of-function. MYD88 L265P gain-of-function was found in 32% of DLBCL. In conclusion, both BCL6-R-positive FL and BCL6-R-positive DLBCL had a common mutational profile; but also, differences. DLBCL cases had a higher density of microenvironment markers.
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MESH Headings
- Humans
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/pathology
- Lymphoma, Large B-Cell, Diffuse/immunology
- Tumor Microenvironment/immunology
- Tumor Microenvironment/genetics
- Lymphoma, Follicular/genetics
- Lymphoma, Follicular/pathology
- Lymphoma, Follicular/immunology
- Proto-Oncogene Proteins c-bcl-6/genetics
- Male
- Female
- Middle Aged
- Aged
- Mutation
- Adult
- Biomarkers, Tumor/genetics
- Aged, 80 and over
- Gene Rearrangement
- DNA Mutational Analysis
- Progression-Free Survival
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Grants
- 23K06454 the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 15K19061 the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 18K15100 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 24590430 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 2021-B04 Tokai University School of Medicine research incentive assistant plan
- VRI-20-10 ASPIRE, the technology program management pillar of Abu Dhabi's Advanced Technology Research Council (ATRC), via the ASPIRE Precision Medicine Research Institute Abu Dhabi (AS-PIREPMRIAD) award
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Affiliation(s)
- Joaquim Carreras
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan.
| | - Haruka Ikoma
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Yara Yukie Kikuti
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Masashi Miyaoka
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Shinichiro Hiraiwa
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Sakura Tomita
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Yusuke Kondo
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Atsushi Ito
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Shunsuke Nagase
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Hisanobu Miura
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
| | - Hiroshi Kawada
- Department of Hematology, School of Medicine, Tokai University, Tokyo, Japan
| | - Giovanna Roncador
- Monoclonal Antibodies Core Unit, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Elias Campo
- Department of Pathology, Esther Koplowitz Center (CEK), Centro de Investigacion Biomedica en Red de Cancer (CIBERONC), Hospital Clinic Barcelona, August Pi I Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Rifat Hamoudi
- Research Institute for Medical and Health Science, Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Division of Surgery and Interventional Science, University College London, London, UK
- BIMAI-Lab, Biomedically Informed Artificial Intelligence Laboratory, University of Sharjah, Sharjah, United Arab Emirates
| | - Naoya Nakamura
- Department of Pathology, School of Medicine, Tokai University, Tokyo, Japan
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9
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Huibers M, Abla O, Andrés M, Balagué O, Beishuizen A, Carraro E, Chiang A, Csóka M, David BA, de Ville de Goyet M, Gilad G, Hori D, Kotecha RS, Kabickova E, Klapper W, Miakova N, Minard-Colin V, Nakazawa A, Pillon M, Rigaud C, Salaverria I, Tölle I, Verdú-Amorós J, von Mersi H, Wössmann W, Burkhardt B, Attarbaschi A. Large B-cell lymphoma-IRF4+ in children and young people: time to reduce chemotherapy in a rare malignant mature B-cell neoplasm? Blood Adv 2024; 8:1509-1514. [PMID: 38290136 DOI: 10.1182/bloodadvances.2023012109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/12/2024] [Accepted: 01/14/2024] [Indexed: 02/01/2024] Open
Affiliation(s)
- Minke Huibers
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Oussama Abla
- Division of Hematology and Oncology, Department of Pediatrics, Hospital for Sick Children, Toronto, Canada
| | - Mara Andrés
- Department of Pediatric Hematology and Oncology, University Hospital La Fe of Valencia, Valencia, Spain
| | - Olga Balagué
- Hematopathology section, Pathology Department, Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Spain
| | - Auke Beishuizen
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Elisa Carraro
- Maternal and Child Health Department, Pediatric Hematology, Oncology and Stem Cell Transplant Center, University of Padova, Padova, Italy
| | - Alan Chiang
- Department of Paediatrics & Adolescent Medicine, The University of Hong Kong, Hong Kong
| | - Monika Csóka
- Pediatric Clinic (Tűzoltó Street Department), Semmelweis University, Budapest, Hungary
| | - Bianca-Andreea David
- Department of Pediatric Hematology and Oncology, Department of Pediatrics, University Hospital Liège, Liège, Belgium
| | - Maëlle de Ville de Goyet
- Department of Pediatric Hematology and Oncology, Cliniques universitaires Saint-Luc, UC Louvain, Brussels, Belgium
| | - Gil Gilad
- Department of Pediatric Hematology and Oncology, Schneider Children's Medical Center, Petah Tikva, and Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Daiki Hori
- Department of Hematology and Oncology for children and adolescents, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - Rishi S Kotecha
- Department of Clinical Haematology, Oncology, Blood and Marrow Transplantation, Perth Children's Hospital, Perth, Australia
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, Australia
- Curtin Medical School, Curtin University, Perth, Australia
| | - Edita Kabickova
- Department of Pediatric Hematology and Oncology, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Wolfram Klapper
- Hematopathology Section, Department of Pathology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Natasha Miakova
- Department of Pediatric Hematology and Oncology, Federal Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Veronique Minard-Colin
- Department of Pediatric and Adolescent Oncology, Gustave-Roussy Cancer Campus, Paris-Sacaly University, Villejuif, France
| | - Atsuko Nakazawa
- Department of Clinical Research, Saitama Children's Medical Center, Saitama, Japan
| | - Marta Pillon
- Hematopathology section, Pathology Department, Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Spain
| | - Charlotte Rigaud
- Department of Pediatric and Adolescent Oncology, Gustave-Roussy Cancer Campus, Paris-Sacaly University, Villejuif, France
| | - Itziar Salaverria
- Department of Pathology, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Ida Tölle
- Pediatric Hematology and Oncology and NHL-BFM Study Center, University Hospital Münster, Münster, Germany
| | - Jaime Verdú-Amorós
- Department of Pediatric Hematology and Oncology, University Hospital La Fe of Valencia, Valencia, Spain
- Department of Pediatric Hematology and Oncology, Hospital Clínico Universitario, Biomedical Research Institute, INCLIVA, Valencia, Spain
| | - Hannah von Mersi
- Department of Pediatric Hematology and Oncology, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
| | - Wilhelm Wössmann
- Pediatric Hematology and Oncology and NHL-BFM Study Center, Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Birgit Burkhardt
- Pediatric Hematology and Oncology and NHL-BFM Study Center, University Hospital Münster, Münster, Germany
| | - Andishe Attarbaschi
- Department of Pediatric Hematology and Oncology, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria
- St. Anna Children's Cancer Research Institute, Vienna, Austria
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10
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Pizzi M, Bongiovanni L, Lorenzi L, Righi S, Scarmozzino F, Balzarini P, Santoro L, Mussolin L, Carraro E, Pillon M, Bonaldi L, Vianello F, Agostinelli C, Ponzoni M, Dei Tos AP, Sabattini E. Large B-cell lymphoma with IRF4 rearrangement: a multi-centric study with focus on potential misleading phenotypes. Virchows Arch 2024; 484:521-526. [PMID: 37962684 DOI: 10.1007/s00428-023-03689-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 10/22/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023]
Abstract
Large B-cell lymphoma with IRF4 rearrangement (LBCL-IRF4) is a rare lymphoid neoplasm, usually occurring in the pediatric/young-adult age. Despite this, subsets of cases occur in elderly patients and express CD5, possibly entering the differential diagnosis with adult aggressive lymphomas, such as blastoid/pleomorphic mantle cell lymphoma (MCL-B/P). To better characterize the clinical-pathological features and differential diagnosis of LBCL-IRF4, we conducted a multi-centric study on 12 cases, focusing on CD5, Cyclin D1, and SOX11 expression. While most cases had typical presentation, adult-to-elderly age at diagnosis and unusual anatomic locations were reported in 3/12 (25.0%) and 2/12 (16.7%) patients, respectively. Histologically, CD5 was positive in 4/12 (33.3%) cases, Cyclin D1 was invariably negative, and SOX11 was weakly/partially expressed in 1/12 (8.3%) case. In conclusion, LBCL-IRF4 can have unconventional clinical presentations that may challenge its recognition. Although CD5 is frequently expressed, negativity for Cyclin D1 and SOX11 contributes to the differential diagnosis with MCL-B/P.
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Affiliation(s)
- Marco Pizzi
- Surgical Pathology and Cytopathology Unit, Department of Medicine - DIMED, University of Padua School of Medicine, via A. Gabelli, 61, 35121, Padua, PD, Italy.
| | - Lucia Bongiovanni
- Haematopathology Diagnostic Area, Pathology Unit, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Luisa Lorenzi
- Section of Pathology, Department of Molecular and Translational Medicine, University of Brescia School of Medicine, Spedali Civili di Brescia, Brescia, Italy
| | - Simona Righi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- Hematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Federico Scarmozzino
- Surgical Pathology and Cytopathology Unit, Department of Medicine - DIMED, University of Padua School of Medicine, via A. Gabelli, 61, 35121, Padua, PD, Italy
| | - Piera Balzarini
- Section of Pathology, Department of Molecular and Translational Medicine, University of Brescia School of Medicine, Spedali Civili di Brescia, Brescia, Italy
| | - Luisa Santoro
- Surgical Pathology and Cytopathology Unit, Department of Medicine - DIMED, University of Padua School of Medicine, via A. Gabelli, 61, 35121, Padua, PD, Italy
| | - Lara Mussolin
- Oncohematology Unit, Maternal and Child Health Department, Pediatric Hematology, Oncology and Stem Cell Transplant Center, University of Padua School of Medicine, Padua, Italy
| | - Elisa Carraro
- Oncohematology Unit, Maternal and Child Health Department, Pediatric Hematology, Oncology and Stem Cell Transplant Center, University of Padua School of Medicine, Padua, Italy
| | - Marta Pillon
- Oncohematology Unit, Maternal and Child Health Department, Pediatric Hematology, Oncology and Stem Cell Transplant Center, University of Padua School of Medicine, Padua, Italy
| | - Laura Bonaldi
- Immunology and Molecular Oncology Unit, IRCSS Istituto Oncologico Veneto, Padua, Italy
| | - Fabrizio Vianello
- Hematology and Clinical Immunology Unit, Department of Medicine - DIMED, University of Padua School of Medicine, Padua, Italy
| | - Claudio Agostinelli
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- Hematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Maurilio Ponzoni
- Haematopathology Diagnostic Area, Pathology Unit, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Angelo Paolo Dei Tos
- Surgical Pathology and Cytopathology Unit, Department of Medicine - DIMED, University of Padua School of Medicine, via A. Gabelli, 61, 35121, Padua, PD, Italy
| | - Elena Sabattini
- Hematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
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11
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Iorgulescu JB, Medeiros LJ, Patel KP. Predictive and prognostic molecular biomarkers in lymphomas. Pathology 2024; 56:239-258. [PMID: 38216400 DOI: 10.1016/j.pathol.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 01/14/2024]
Abstract
Recent advances in molecular diagnostics have markedly expanded our understanding of the genetic underpinnings of lymphomas and catalysed a transformation in not just how we classify lymphomas, but also how we treat, target, and monitor affected patients. Reflecting these advances, the World Health Organization Classification, International Consensus Classification, and National Comprehensive Cancer Network guidelines were recently updated to better integrate these molecular insights into clinical practice. We summarise here the molecular biomarkers of lymphomas with an emphasis on biomarkers that have well-supported prognostic and predictive utility, as well as emerging biomarkers that show promise for clinical practice. These biomarkers include: (1) diagnostic entity-defining genetic abnormalities [e.g., B-cell acute lymphoblastic leukaemia (B-ALL) with KMT2A rearrangement]; (2) molecular alterations that guide patients' prognoses (e.g., TP53 loss frequently conferring worse prognosis); (3) mutations that serve as the targets of, and often a source of acquired resistance to, small molecular inhibitors (e.g., ABL1 tyrosine kinase inhibitors for B-ALL BCR::ABL1, hindered by ABL1 kinase domain resistance mutations); (4) the growing incorporation of molecular measurable residual disease (MRD) in the management of lymphoma patients (e.g., molecular complete response and sequencing MRD-negative criteria in multiple myeloma). Altogether, our review spans the spectrum of lymphoma types, from the genetically defined subclasses of precursor B-cell lymphomas to the highly heterogeneous categories of small and large cell mature B-cell lymphomas, Hodgkin lymphomas, plasma cell neoplasms, and T/NK-cell lymphomas, and provides an expansive summary of our current understanding of their molecular pathology.
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Affiliation(s)
- J Bryan Iorgulescu
- Molecular Diagnostics Laboratory, Department of Hematopathology, Division of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L Jeffrey Medeiros
- Molecular Diagnostics Laboratory, Department of Hematopathology, Division of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Keyur P Patel
- Molecular Diagnostics Laboratory, Department of Hematopathology, Division of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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12
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Hare L, Trotman J, Tarpey P, Hook E, Burke GAA. Challenging our understanding of B-cell lymphomagenesis and risk: Paediatric high-grade B-cell lymphoma, not otherwise specified with a DDX3X::MLLT10 fusion and an IGH deletion. Pediatr Blood Cancer 2024; 71:e30810. [PMID: 38102963 DOI: 10.1002/pbc.30810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 12/17/2023]
Abstract
We report a unique case of high-grade B-cell lymphoma, not otherwise specified in a 5-year-old child. Whole-genome sequencing revealed a DDX3X::MLLT10 fusion, usually seen in T-cell acute lymphoblastic leukaemia (ALL). This suggests the novel idea that MLLT10 fusions are capable of driving B-cell malignancies. An IGH deletion usually only seen in adults was also found. These unique genetic findings provide novel insights into B-cell lymphomagenesis. The child remains in remission 7 year post chemotherapy, which demonstrates that novel complex molecular findings do not always denote high-risk disease.
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Affiliation(s)
- Lucy Hare
- Department of Pathology, University of Cambridge, Cambridge, UK
- Department of Paediatric Haematology, Oncology and Palliative Care, Addenbrooke's Hospital, Cambridge, UK
| | - Jamie Trotman
- East-Genomics Laboratory Hub (GLH) Genetics Laboratory, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Patrick Tarpey
- East-Genomics Laboratory Hub (GLH) Genetics Laboratory, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Elizabeth Hook
- Department of Pathology, University of Cambridge, Cambridge, UK
- Department of Pathology, Addenbrooke's Hospital, Cambridge, UK
| | - G A Amos Burke
- Department of Paediatric Haematology, Oncology and Palliative Care, Addenbrooke's Hospital, Cambridge, UK
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13
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Fend F, van den Brand M, Groenen PJ, Quintanilla-Martinez L, Bagg A. Diagnostic and prognostic molecular pathology of lymphoid malignancies. Virchows Arch 2024; 484:195-214. [PMID: 37747559 PMCID: PMC10948535 DOI: 10.1007/s00428-023-03644-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/26/2023]
Abstract
With the explosion in knowledge about the molecular landscape of lymphoid malignancies and the increasing availability of high throughput techniques, molecular diagnostics in hematopathology has moved from isolated marker studies to a more comprehensive approach, integrating results of multiple genes analyzed with a variety of techniques on the DNA and RNA level. Although diagnosis of lymphoma still relies on the careful integration of clinical, morphological, phenotypic, and, if necessary molecular features, and only few entities are defined strictly by genetic features, genetic profiling has contributed profoundly to our current understanding of lymphomas and shaped the two current lymphoma classifications, the International Consensus Classification and the fifth edition of the WHO classification of lymphoid malignancies. In this review, the current state of the art of molecular diagnostics in lymphoproliferations is summarized, including clonality analysis, mutational studies, and gene expression profiling, with a focus on practical applications for diagnosis and prognostication. With consideration for differences in accessibility of high throughput techniques and cost limitations, we tried to distinguish between diagnostically relevant and in part disease-defining molecular features and optional, more extensive genetic profiling, which is usually restricted to clinical studies, patients with relapsed or refractory disease or specific therapeutic decisions. Although molecular diagnostics in lymphomas currently is primarily done for diagnosis and subclassification, prognostic stratification and predictive markers will gain importance in the near future.
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Affiliation(s)
- Falko Fend
- Institute of Pathology and Neuropathology and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany.
| | - Michiel van den Brand
- Pathology-DNA, Location Rijnstate Hospital, Arnhem, the Netherlands
- Department of Pathology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Patricia Jta Groenen
- Department of Pathology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) 'Image Guided and Functionally Instructed Tumor Therapies', Eberhard Karls University Tübingen, Tübingen, Germany
| | - Adam Bagg
- Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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14
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Rodriguez-Pinilla SM, Dojcinov S, Dotlic S, Gibson SE, Hartmann S, Klimkowska M, Sabattini E, Tousseyn TA, de Jong D, Hsi ED. Aggressive B-cell non-Hodgkin lymphomas: a report of the lymphoma workshop of the 20th meeting of the European Association for Haematopathology. Virchows Arch 2024; 484:15-29. [PMID: 37530792 PMCID: PMC10791773 DOI: 10.1007/s00428-023-03579-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/22/2023] [Accepted: 06/07/2023] [Indexed: 08/03/2023]
Abstract
Aggressive B-cell non-Hodgkin lymphomas are a heterogeneous group of diseases and our concepts are evolving as we learn more about their clinical, pathologic, molecular genetic features. Session IV of the 2020 EAHP Workshop covered aggressive, predominantly high-grade B-cell lymphomas, many that were difficult to classify. In this manuscript, we summarize the features of the submitted cases and highlight differential diagnostic difficulties. We specifically review issues related to high-grade B-cell lymphomas (HGBCLs) with MYC and BCL2 and/or BCL6 rearrangements including TdT expression in these cases, HGBCL, not otherwise specified, large B-cell lymphomas with IRF4 rearrangement, high-grade/large B-cell lymphomas with 11q aberration, Burkitt lymphoma, and pleomorphic mantle cell lymphoma. Since the workshop, the 5th edition of the WHO Classification for Haematolymphoid Tumours (WHO-HAEM5) and International Consensus Classification (ICC) 2022 were published. We endeavor to use the updated terminology.
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Affiliation(s)
| | - Stefan Dojcinov
- Department of Pathology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
| | - Snjezana Dotlic
- Department of Pathology and Cytology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Sarah E Gibson
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ, USA
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, Goethe University Frankfurt Am Main, Frankfurt Am Main, Germany
| | - Monika Klimkowska
- Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital, Stockholm, Sweden
| | - Elena Sabattini
- Haematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Thomas A Tousseyn
- Department of Imaging and Pathology, Translational Cell and Tissue Research Lab, KU Leuven, Leuven, Belgium
| | - Daphne de Jong
- Department of Pathology, Amsterdam UMC, Location VUMC, De Boelelaan 1117, 1081HV, Amsterdam, The Netherlands.
| | - Eric D Hsi
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
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15
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Jaffe ES. Evolution of Lymphoma Diagnosis in the Era of Personalized Medicine: A Marriage of Pathology and Genomics for Clinical Practice. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1880-1886. [PMID: 37734589 PMCID: PMC10734280 DOI: 10.1016/j.ajpath.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/15/2023] [Indexed: 09/23/2023]
Abstract
The modern taxonomy of disease builds a framework for precision medicine, by which traditional pathologic criteria are integrated with clinical and genomic features to define disease entities. Two of the most common subtypes of lymphoma on a worldwide basis are follicular lymphoma (FL) and diffuse large B-cell lymphoma. Although BCL2 translocation is the signature lesion of most nodal FL, recent studies have identified significant diversity among follicle center-derived lesions. BCL2-negative FL is a genetically heterogeneous disease that occurs in both nodal and extranodal sites. Several distinct entities have been recognized in the pediatric age group, including pediatric-type FL, testicular FL, and interferon regulatory factor 4 (IRF4)-rearranged large B-cell lymphoma. Diffuse large B-cell lymphoma is a family of aggressive B-cell neoplasms with marked variation in pathogenesis and clinical features. Gene expression profiling >20 years ago identified the cell of origin as a key discriminator, but more recently high-throughput sequencing has identified highly varied mutational profiles that point the way in the future toward improvements in targeted therapy and patient outcome.
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Affiliation(s)
- Elaine S Jaffe
- Hematopathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.
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16
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Gibson SE, Dojcinov S, Dotlic S, Hartmann S, Hsi ED, Klimkowska M, Melle F, Pileri SA, Ramsower CA, Rech K, Rimsza LM, Rodriguez-Pinilla SM, Tousseyn TA, de Jong D, Sabattini E. Mediastinal large B cell lymphoma and surrounding gray areas: a report of the lymphoma workshop of the 20th meeting of the European Association for Haematopathology. Virchows Arch 2023; 483:733-749. [PMID: 37530791 DOI: 10.1007/s00428-023-03550-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/03/2023] [Accepted: 04/21/2023] [Indexed: 08/03/2023]
Abstract
Session 3 of the 2021 European Association for Haematopathology/Society for Hematopathology Workshop focused on mediastinal large B cell lymphomas and surrounding gray areas. One half of the session was dedicated to primary mediastinal large B cell lymphoma (PMBL) and included cases with classic clinicopathologic features, as well as cases with either morphologic or immunophenotypic variation, and PMBL-like cases with primary extramediastinal disease. The role of additional immunophenotyping and/or molecular testing to aid in the diagnosis of PMBL was discussed. The second half of the session focused on mediastinal and non-mediastinal gray zone lymphomas (GZL) with features intermediate between diffuse large B cell lymphoma (DLBCL) and classic Hodgkin lymphoma (CHL). Several cases illustrating the current challenges in separating this entity from PMBL/DLBCL and CHL were presented. There was discussion regarding the clinical and genetic differences between mediastinal and non-mediastinal GZLs. Rare cases of PMBL and GZL associated with EBV or follicular lymphoma were reviewed. Finally, several cases included in the session highlighted composite or sequential CHL and PMBL/DLBCL and/or GZL, highlighting challenges in separating such cases from GZL.
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Affiliation(s)
- Sarah E Gibson
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ, USA
| | - Stefan Dojcinov
- Department of Pathology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
| | - Snjezana Dotlic
- Department of Pathology and Cytology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, Goethe University Frankfurt Am Main, Frankfurt Am Main, Germany
| | - Eric D Hsi
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Monika Klimkowska
- Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital, Stockholm, Sweden
| | - Federica Melle
- Division of Haematopathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Stefano A Pileri
- Division of Haematopathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | | | - Karen Rech
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Lisa M Rimsza
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ, USA
| | | | - Thomas A Tousseyn
- Department of Imaging and Pathology, Translational Cell and Tissue Research Lab, KU Leuven, Louvain, Belgium
| | - Daphne de Jong
- Department of Pathology, Amsterdam UMC, Location VUMC, De Boelelaan 1117, 1081HV, Amsterdam, The Netherlands.
| | - Elena Sabattini
- Haematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
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17
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Grau M, López C, Martín-Subero JI, Beà S. Cytogenomics of B-cell non-Hodgkin lymphomas: The "old" meets the "new". Best Pract Res Clin Haematol 2023; 36:101513. [PMID: 38092483 DOI: 10.1016/j.beha.2023.101513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 12/18/2023]
Abstract
For the routine diagnosis of haematological neoplasms an integrative approach is used considering the morphology, and the immunophenotypic, and molecular features of the tumor sample, along with clinical information. The identification and characterization of recurrent chromosomal aberrations mainly detected by conventional and molecular cytogenetics in the tumor cells has a major impact on the classification of lymphoid neoplasms. Some of the B-cell non-Hodgkin lymphomas are characterized by particular chromosomal aberrations, highlighting the relevance of conventional and molecular cytogenetic studies in their diagnosis and prognosis. In the current genomics era, next generation sequencing provides relevant information as the mutational profiles of haematological malignancies, improving their classification and also the clinical management of the patients. In addition, other new technologies have emerged recently, such as the optical genome mapping, which can overcome some of the limitations of conventional and molecular cytogenetics and may become more widely used in the cytogenetic laboratories in the upcoming years. Moreover, epigenetic alterations may complement genetic changes for a deeper understanding of the pathogenesis underlying B-cell neoplasms and a more precise risk-based patient stratification. Overall, here we describe the current state of the genomic data integrating chromosomal rearrangements, copy number alterations, and somatic variants, as well as a succinct overview of epigenomic changes, which altogether constitute a comprehensive diagnostic approach in B-cell non-Hodgkin lymphomas.
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Affiliation(s)
- Marta Grau
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain
| | - Cristina López
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Universitat de Barcelona, Spain
| | - José Ignacio Martín-Subero
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Universitat de Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Sílvia Beà
- Institut D'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Universitat de Barcelona, Spain; Hematopathology Section, Pathology Department, Hospital Clínic Barcelona, Barcelona, Spain.
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18
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Campo E. The 2022 classifications of lymphoid neoplasms : Keynote. PATHOLOGIE (HEIDELBERG, GERMANY) 2023; 44:121-127. [PMID: 37957421 DOI: 10.1007/s00292-023-01247-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/06/2023] [Indexed: 11/15/2023]
Abstract
Classification of hematological neoplasms in the past 25 years has been generated through international efforts to achieve broad consensus among professionals. In recent years, the understanding of lymphoid neoplasms has advanced notably, particularly with the impact of genomic studies. Two classifications of these neoplasms were produced in 2022. The International Consensus Classification (ICC) was generated following the same successful process used for the third, fourth, and updated fourth editions of the World Health Organization (WHO) Classification of Hematologic Neoplasms, coordinated by a steering committee approved by the Executive Committees of the European Association for Haematopathology and the Society of Hematopathology. The topics were prepared by different working groups and subsequently discussed in the clinical advisory committee (CAC) meeting with the participation of a large group of pathologists, clinicians, and scientists who all approved the classification after reaching consensus on all topics. Simultaneously, the International Agency for Cancer Research (IARC) of the WHO has produced the fifth edition of the classification of these neoplasms with a group of professionals appointed by the agency who discussed the proposed classification in different meetings. The definition and criteria for diagnosis of many entities have been refined in both proposals. Terminology for some diseases has been adapted to the current knowledge of their biology. Major findings from recent genomic studies have impacted the conceptual framework and diagnostic criteria for many entities. Although most categories are similar in both classifications, there are also conceptual differences and differences in the diagnostic criteria for some diseases.
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Affiliation(s)
- Elias Campo
- Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Spain.
- Laboratory of Pathology, Clinic Barcelona Hospital, Calle Villarroel 170, 08015, Barcelona, Spain.
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19
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Tomacinschii V, Mosquera Orgueira A, Santos CA, Robu M, Buruiana S, Fraga Rodriguez MF. The implication of next-generation sequencing in the diagnosis and clinical management of non-Hodgkin lymphomas. Front Oncol 2023; 13:1275327. [PMID: 38023160 PMCID: PMC10663367 DOI: 10.3389/fonc.2023.1275327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/27/2023] [Indexed: 12/01/2023] Open
Abstract
Next generation sequencing (NGS) is a technology that broadens the horizon of knowledge of several somatic pathologies, especially in oncological and oncohematological pathology. In the case of NHL, the understanding of the mechanisms of tumorigenesis, tumor proliferation and the identification of genetic markers specific to different lymphoma subtypes led to more accurate classification and diagnosis. Similarly, the data obtained through NGS allowed the identification of recurrent somatic mutations that can serve as therapeutic targets that can be inhibited and thus reducing the rate of resistant cases. The article's purpose is to offer a comprehensive overview of the best ways of integrating of next-generation sequencing technologies for diagnosis, prognosis, classification, and selection of optimal therapy from the perspective of tailor-made medicine.
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Affiliation(s)
- Victor Tomacinschii
- Department of Hematology, Nicolae Testemitanu State University of Medicine and Pharmacy, Chisinau, Moldova
- Department of Hematology, Public Medical Sanitary Institution (PMSI) Institute of Oncology, Chisinau, Moldova
| | - Adrian Mosquera Orgueira
- University Hospital of Santiago de Compostela, Servizo Galego de Saude (SERGAS), Santiago de Compostela, Spain
- Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | - Carlos Aliste Santos
- University Hospital of Santiago de Compostela, Servizo Galego de Saude (SERGAS), Santiago de Compostela, Spain
| | - Maria Robu
- Department of Hematology, Nicolae Testemitanu State University of Medicine and Pharmacy, Chisinau, Moldova
| | - Sanda Buruiana
- Department of Hematology, Nicolae Testemitanu State University of Medicine and Pharmacy, Chisinau, Moldova
| | - Maximo Francisco Fraga Rodriguez
- University Hospital of Santiago de Compostela, Servizo Galego de Saude (SERGAS), Santiago de Compostela, Spain
- Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
- Department of Forensic Sciences, Pathology, Ginecology and Obstetrics and Pediatrics, Faculty of Medicine, University of Santiago de Compostela, Santiago de Compostela, Spain
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20
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Barroca H, Marques C, Soares MJ. Large B-cell lymphoma with IRF4 rearrangement-Fine needle biopsy-Report of a case with an atypical presentation. Diagn Cytopathol 2023; 51:E322-E327. [PMID: 37571800 DOI: 10.1002/dc.25211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023]
Abstract
We describe a case of a 17-year-old girl with a mediastinal large B-cell lymphoma with IRF4 rearrangement (LBCL-IRF4r) with an atypical clinical presentation in an unusual location, diagnosed by fine needle biopsy, flow cytometry and FISH. We review the literature and discuss the differential diagnosis, clinical presentation, cytological and immunophenotypical characteristics of this unique case that raises very interesting questions regarding this new entity.
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Affiliation(s)
- Helena Barroca
- Serviço de Anatomia Patológica, Centro Hospitalar Universitário de S João, Porto, Portugal
| | - Cristina Marques
- Serviço de Patologia Clínica, Centro Hospitalar Universitário de S João, Porto, Portugal
| | - Maria José Soares
- Serviço de Hematologia Clínica, Centro Hospitalar Universitário de S João, Porto, Portugal
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21
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Singh A, Obiorah IE. Aggressive non-Hodgkin lymphoma in the pediatric and young adult population; diagnostic and molecular pearls of wisdom. Semin Diagn Pathol 2023; 40:392-400. [PMID: 37400280 DOI: 10.1053/j.semdp.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/12/2023] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
Mature non-Hodgkin lymphomas (NHLs) of the pediatric and young adults(PYA), including Burkitt lymphoma (BL), diffuse large B cell lymphoma (DLBCL), high-grade B cell lymphoma (HGBCL), primary mediastinal large B cell lymphoma (PMBL) and anaplastic large cell lymphoma (ALCL), generally have excellent prognosis compared to the adult population. BL, DLBCL and HGBCL are usually of germinal center (GCB) origin in the PYA population. PMBL neither belongs to the GCB nor the activated B cell subtype and is associated with a poorer outcome than BL or DLBCL of comparable stage. Anaplastic large cell lymphoma is the most frequent peripheral T cell lymphoma occurring in the PYA and accounts for 10-15% of childhood NHL. Most pediatric ALCL, unlike in the adult, demonstrate expression of anaplastic lymphoma kinase (ALK). In recent years, the understanding of the biology and molecular features of these aggressive lymphomas has increased tremendously. This has led to reclassification of newer PYA entities including Burkitt-like lymphoma with 11q aberration. In this review, we will discuss the current progress discovered in frequently encountered aggressive NHLs in the PYA, highlighting the clinical, pathologic and molecular features that aid in the diagnosis of these aggressive lymphomas. We will be updating the new concepts and terminologies used in the new classification systems.
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Affiliation(s)
- Amrit Singh
- Department of Pathology , University of Virginia Health, Charlottesville, VA, 22903, United States
| | - Ifeyinwa E Obiorah
- Department of Pathology , University of Virginia Health, Charlottesville, VA, 22903, United States.
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22
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Yuan J, Liu H, Hu S, Miranda RN, Xu X, Bayerl MG, Artymiuk CJ, Berg H, King RL, Shi M, He R, Viswanatha D, Medeiros LJ, McPhail ED. Follicular lymphoma and diffuse large B-cell lymphoma with BCL2 and IRF4 rearrangements in adult patients. Hum Pathol 2023; 141:22-29. [PMID: 37634651 DOI: 10.1016/j.humpath.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/11/2023] [Accepted: 08/21/2023] [Indexed: 08/29/2023]
Abstract
Follicular lymphoma (FL) and diffuse large B-cell lymphoma (DLBCL) with concurrent BCL2 and IRF4 rearrangements are rare. It is unclear whether such cases should be classified as large B- cell lymphoma with IRF4 rearrangement or FL/DLBCL-not otherwise specified. We identified 5 adult patients (FL, N = 3 and FL/DLBCL, N = 2) with concurrent BCL2 and IRF4 rearrangements. The median age at presentation was 77 years, and three patients presented with advanced stage disease. Both nodal and extranodal sites were involved and involvement was not limited to head and neck region. With a median follow-up of 18 months, 1 patient died and 4 patients were alive, including 3 who received chemotherapy and 1 who was observed. The neoplasms were histologically heterogeneous, including grade 2 and 3 FL and DLBCL. Four cases coexpressed CD10, BCL6, BCL2 and MUM1/IRF4. The Ki67 labelling index ranged from 20% to 95%. In 4 patients, the percentage of cells with BCL2 rearrangement was equal to or slightly greater than the cells harboring IRF4 rearrangement. Two cases underwent next generation sequencing tailored for lymphoid neoplasms. Both lacked mutations involving IRF4 and NF-kB pathway genes that are frequently detected in large B-cell lymphoma with IRF4 rearrangement, and one case showed DLBCL-EZH2 type mutations, including KMT2D and BCL2 mutations, similar to 2 previously reported DLBCL with BCL2 and IRF4 rearrangements. Adults with FL and FL/DLBCL with BCL2 and IRF4 rearrangements display clinicopathologic and mutational features more akin to FL and DLBCL and should not be characterized as large B-cell lymphoma with IRF4 rearrangement.
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Affiliation(s)
- Ji Yuan
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Hui Liu
- Department of Pathology, Xuzhou Medical University Affiliated Hospital, Xuzhou, China
| | - Shimin Hu
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Roberto N Miranda
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xinjie Xu
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Michael G Bayerl
- Department of Pathology, Penn State Hershey Health Medical Center, Hershey, PA 17033, USA
| | - Cody J Artymiuk
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Holly Berg
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA; Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Rebecca L King
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Min Shi
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Rong He
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - David Viswanatha
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ellen D McPhail
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN 55905, USA.
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23
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Lefebvre C, Veronese L, Nadal N, Gaillard JB, Penther D, Daudignon A, Chauzeix J, Nguyen-Khac F, Chapiro E. Cytogenetics in the management of mature B-cell non-Hodgkin lymphomas: Guidelines from the Groupe Francophone de Cytogénétique Hematologique (GFCH). Curr Res Transl Med 2023; 71:103425. [PMID: 38016420 DOI: 10.1016/j.retram.2023.103425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/18/2023] [Accepted: 10/18/2023] [Indexed: 11/30/2023]
Abstract
Non-Hodgkin lymphomas (NHL) consist of a wide range of clinically, phenotypically and genetically distinct neoplasms. The accurate diagnosis of mature B-cell non-Hodgkin lymphoma relies on a multidisciplinary approach that integrates morphological, phenotypical and genetic characteristics together with clinical features. Cytogenetic analyses remain an essential part of the diagnostic workup for mature B-cell lymphomas. Karyotyping is particularly useful to identify hallmark translocations, typical cytogenetic signatures as well as complex karyotypes, all bringing valuable diagnostic and/or prognostic information. Besides the well-known recurrent chromosomal abnormalities such as, for example, t(14;18)(q32;q21)/IGH::BCL2 in follicular lymphoma, recent evidences support a prognostic significance of complex karyotype in mantle cell lymphoma and Waldenström macroglobulinemia. Fluorescence In Situ Hybridization is also a key analysis playing a central role in disease identification, especially in genetically-defined entities, but also in predicting transformation risk or prognostication. This can be exemplified by the pivotal role of MYC, BCL2 and/or BCL6 rearrangements in the diagnostic of aggressive or large B-cell lymphomas. This work relies on the World Health Organization and the International Consensus Classification of hematolymphoid tumors together with the recent cytogenetic advances. Here, we review the various chromosomal abnormalities that delineate well-established mature B-cell non-Hodgkin lymphoma entities as well as newly recognized genetic subtypes and provide cytogenetic guidelines for the diagnostic management of mature B-cell lymphomas.
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Affiliation(s)
- C Lefebvre
- Unité de Génétique des Hémopathies, Service d'Hématologie Biologique, CHU Grenoble Alpes, Grenoble, France.
| | - L Veronese
- Service de Cytogénétique Médicale, CHU Estaing, 1 place Lucie et Raymond Aubrac, 63003 Clermont-Ferrand; EA7453 CHELTER, Université Clermont Auvergne, France
| | - N Nadal
- Service de génétique chromosomique et moléculaire, CHU Dijon, Dijon, France
| | - J-B Gaillard
- Unité de Génétique Chromosomique, Service de Génétique moléculaire et cytogénomique, CHU Montpellier, Montpellier, France
| | - D Penther
- Laboratoire de Génétique Oncologique, Centre Henri Becquerel, Rouen, France
| | - A Daudignon
- Laboratoire de Génétique Médicale - Hôpital Jeanne de Flandre - CHRU de Lille, France
| | - J Chauzeix
- Service d'Hématologie biologique CHU de Limoges - CRIBL, UMR CNRS 7276/INSERM 1262, Limoges, France
| | - F Nguyen-Khac
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Inserm UMRS_1138, Drug Resistance in Hematological Malignancies Team, F-75006 Paris, France; Sorbonne Université, Groupe Hospitalier Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Service d'Hématologie Biologique, F-75013 Paris, France
| | - E Chapiro
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Inserm UMRS_1138, Drug Resistance in Hematological Malignancies Team, F-75006 Paris, France; Sorbonne Université, Groupe Hospitalier Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Service d'Hématologie Biologique, F-75013 Paris, France
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24
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Salaverria I, Weigert O, Quintanilla-Martinez L. The clinical and molecular taxonomy of t(14;18)-negative follicular lymphomas. Blood Adv 2023; 7:5258-5271. [PMID: 37561599 PMCID: PMC10500559 DOI: 10.1182/bloodadvances.2022009456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/11/2023] [Accepted: 08/09/2023] [Indexed: 08/12/2023] Open
Abstract
Follicular lymphoma (FL) is a neoplasm derived from germinal center B cells, composed of centrocytes and centroblasts, with at least a focal follicular growth pattern. The t(14;18) translocation together with epigenetic deregulation through recurrent genetic alterations are now recognized as the hallmark of FL. Nevertheless, FL is a heterogeneous disease, clinically, morphologically, and biologically. The existence of FL lacking the t(14;18) chromosomal alteration highlights the complex pathogenesis of FL, and indicates that there are alternative pathogenetic mechanisms that can induce a neoplasm with follicular center B-cell phenotype. Based on their clinical presentation, t(14;18)-negative FLs can be divided into 3 broad groups: nodal presentation, extranodal presentation, and those affecting predominantly children and young adults. Recent studies have shed some light into the genetic alterations of t(14;18)-negative FL. Within the group of t(14;18)-negative FL with nodal presentation, cases with STAT6 mutations are increasingly recognized as a distinctive molecular subgroup, often cooccurring with CREBBP and/or TNFRSF14 mutations. FL with BCL6 rearrangement shows clinicopathological similarities to its t(14;18)-positive counterpart. In contrast, t(14;18)-negative FL in extranodal sites is characterized mainly by TNFRSF14 mutations in the absence of chromatin modifying gene mutations. FL in children have a unique molecular landscape when compared with those in adults. Pediatric-type FL (PTFL) is characterized by MAP2K1, TNFRSF14, and/or IRF8 mutations, whereas large B-cell lymphoma with IRF4 rearrangement is now recognized as a distinct entity, different from PTFL. Ultimately, a better understanding of FL biology and heterogeneity should help to understand the clinical differences and help guide patient management and treatment decisions.
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Affiliation(s)
- Itziar Salaverria
- Institut d’Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - Oliver Weigert
- Laboratory for Experimental Leukemia and Lymphoma Research, Ludwig-Maximilians-University Hospital, Munich, Germany
- Department of Medicine III, Ludwig-Maximilians-University Hospital, Munich, Germany
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology and Comprehensive Cancer Center Tübingen, University Hospital Tübingen, Eberhard-Karls University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT “Image-guided and functionally Instructed Tumor therapies,” Eberhard-Karls University of Tübingen, Tübingen, Germany
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25
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Thouenon R, Kracker S. Human inborn errors of immunity associated with IRF4. Front Immunol 2023; 14:1236889. [PMID: 37809068 PMCID: PMC10556498 DOI: 10.3389/fimmu.2023.1236889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 09/05/2023] [Indexed: 10/10/2023] Open
Abstract
The transcription factor interferon regulatory factor 4 (IRF4) belongs to the IRF family and has several important functions for the adaptive immune response. Mutations affecting IRF family members IRF1, IRF3, IRF7, IRF8, or IRF9 have been described in patients presenting with inborn errors of immunity (IEI) highlighting the importance of these factors for the cellular host defense against mycobacterial and/or viral infections. IRF4 deficiency and haploinsufficiency have been associated with IEI. More recently, two novel IRF4 disease-causing mechanisms have been described due to the characterization of IEI patients presenting with cellular immunodeficiency associated with agammaglobulinemia. Here, we review the phenotypes and physiopathological mechanisms underlying IEI of IRF family members and, in particular, IRF4.
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Affiliation(s)
- Romane Thouenon
- Université Paris Cité, Paris, France
- Laboratory of Human Lymphohematopoiesis, Imagine Institute, INSERM UMR, Paris, France
| | - Sven Kracker
- Université Paris Cité, Paris, France
- Laboratory of Human Lymphohematopoiesis, Imagine Institute, INSERM UMR, Paris, France
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26
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Zhou N, Choi J, Grothusen G, Kim BJ, Ren D, Cao Z, Liu Y, Li Q, Inamdar A, Beer T, Tang HY, Perkey E, Maillard I, Bonasio R, Shi J, Ruella M, Wan L, Busino L. DLBCL-associated NOTCH2 mutations escape ubiquitin-dependent degradation and promote chemoresistance. Blood 2023; 142:973-988. [PMID: 37235754 PMCID: PMC10656726 DOI: 10.1182/blood.2022018752] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 04/18/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of non-Hodgkin lymphoma. Up to 40% of patients with DLBCL display refractory disease or relapse after standard chemotherapy treatment (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone [R-CHOP]), leading to significant morbidity and mortality. The molecular mechanisms of chemoresistance in DLBCL remain incompletely understood. Using a cullin-really interesting new gene (RING) ligase-based CRISPR-Cas9 library, we identify that inactivation of the E3 ubiquitin ligase KLHL6 promotes DLBCL chemoresistance. Furthermore, proteomic approaches helped identify KLHL6 as a novel master regulator of plasma membrane-associated NOTCH2 via proteasome-dependent degradation. In CHOP-resistant DLBCL tumors, mutations of NOTCH2 result in a protein that escapes the mechanism of ubiquitin-dependent proteolysis, leading to protein stabilization and activation of the oncogenic RAS signaling pathway. Targeting CHOP-resistant DLBCL tumors with the phase 3 clinical trial molecules nirogacestat, a selective γ-secretase inhibitor, and ipatasertib, a pan-AKT inhibitor, synergistically promotes DLBCL destruction. These findings establish the rationale for therapeutic strategies aimed at targeting the oncogenic pathway activated in KLHL6- or NOTCH2-mutated DLBCL.
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Affiliation(s)
- Nan Zhou
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Jaewoo Choi
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Grant Grothusen
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Bang-Jin Kim
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
- Department of Surgery, Columbia University Irving Medical Center, New York, NY
| | - Diqiu Ren
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Zhendong Cao
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Yiman Liu
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Qinglan Li
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Arati Inamdar
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Thomas Beer
- Proteomics and Metabolomics Facility, The Wistar Institute, Philadelphia, PA
| | - Hsin-Yao Tang
- Proteomics and Metabolomics Facility, The Wistar Institute, Philadelphia, PA
| | - Eric Perkey
- Division of Hematology/Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Ivan Maillard
- Division of Hematology/Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Roberto Bonasio
- Epigenetics Institute and Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Junwei Shi
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Marco Ruella
- Division of Hematology-Oncology, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA
| | - Liling Wan
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Luca Busino
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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27
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Gadek M, Sherr EH, Floor SN. The variant landscape and function of DDX3X in cancer and neurodevelopmental disorders. Trends Mol Med 2023; 29:726-739. [PMID: 37422363 DOI: 10.1016/j.molmed.2023.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 07/10/2023]
Abstract
RNA molecules rely on proteins across their life cycle. DDX3X encodes an X-linked DEAD-box RNA helicase with a Y-linked paralog, DDX3Y. DDX3X is central to the RNA life cycle and is implicated in many conditions, including cancer and the neurodevelopmental disorder DDX3X syndrome. DDX3X-linked conditions often exhibit sex differences, possibly due to differences between expression or function of the X- and Y-linked paralogs DDX3X and DDX3Y. DDX3X-related diseases have different mutational landscapes, indicating different roles of DDX3X. Understanding the role of DDX3X in normal and disease states will inform the understanding of DDX3X in disease. We review the function of DDX3X and DDX3Y, discuss how mutation type and sex bias contribute to human diseases involving DDX3X, and review possible DDX3X-targeting treatments.
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Affiliation(s)
- Margaret Gadek
- Department of Cell and Tissue Biology, University of California, San Francisco, CA 94143, USA
| | - Elliott H Sherr
- Department of Neurology, University of California, San Francisco, CA 94143, USA
| | - Stephen N Floor
- Department of Cell and Tissue Biology, University of California, San Francisco, CA 94143, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94143, USA.
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28
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Quintanilla-Martinez L, Laurent C, Soma L, Ng SB, Climent F, Ondrejka SL, Zamo A, Wotherspoon A, de Leval L, Dirnhofer S, Leoncini L. Emerging entities: high-grade/large B-cell lymphoma with 11q aberration, large B-cell lymphoma with IRF4 rearrangement, and new molecular subgroups in large B-cell lymphomas. A report of the 2022 EA4HP/SH lymphoma workshop. Virchows Arch 2023; 483:281-298. [PMID: 37555980 PMCID: PMC10541818 DOI: 10.1007/s00428-023-03590-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/13/2023] [Accepted: 06/26/2023] [Indexed: 08/10/2023]
Abstract
Emerging entities and molecular subgroups in large B-cell lymphomas (LBCLs) were discussed during the 2022 European Association for Haematopathology/Society for Hematopathology workshop in Florence, Italy. This session focused on newly recognized diseases and their diagnostic challenges. High-grade/large B-cell lymphoma with 11q aberration (HG/LBCL-11q) is defined by chromosome 11q-gains and telomeric loss. FISH analysis is recommended for the diagnosis. HG/LBCL-11q can occur in the setting of immunodeficiency, including ataxia-telangiectasia, and predominates in children. The morphological spectrum of these cases is broader than previously thought with often Burkitt-like morphology and coarse apoptotic bodies. It has a Burkitt-like immunophenotype (CD10+, BCL6+, BCL2-) but MYC expression is weak or negative, lacks MYC rearrangement, and is in contrast to Burkitt lymphoma 50% of the cases express LMO2. LBCL with IRF4 rearrangement (LBCL-IRF4) occurs mainly in the pediatric population but also in adults. LBCL-IRF4 has an excellent prognosis, with distinguishing molecular findings. IRF4 rearrangements, although characteristic of this entity, are not specific and can be found in association with other chromosomal translocations in other large B-cell lymphomas. Other molecular subgroups discussed included primary bone diffuse large B-cell lymphoma (PB-DLBCL), which has distinctive clinical presentation and molecular findings, and B-acute lymphoblastic leukemia (B-ALL) with IGH::MYC translocation recently segregated from Burkitt lymphoma with TdT expression. This latter disorder has molecular features of precursor B-cells, often tetrasomy 1q and recurrent NRAS and KRAS mutations. In this report, novel findings, recommendations for diagnosis, open questions, and diagnostic challenges raised by the cases submitted to the workshop will be discussed.
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Affiliation(s)
- Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard-Karls-University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany.
- Cluster of Excellence iFIT (EXC2180) "Image-guided and functionally Instructed Tumor therapies" Eberhard-Karls-University, Tübingen, Germany.
| | - Camille Laurent
- Department of Pathology, Toulouse University Hospital Center, Cancer Institute, University of Toulouse-Oncopole, Toulouse, France
| | - Lorinda Soma
- Department of Pathology, City of Hope National Medical Center, Duarte, CA, USA
| | - Siok-Bian Ng
- Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Fina Climent
- Department of Pathology, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Sarah L Ondrejka
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Alberto Zamo
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | | | - Laurence de Leval
- Institute of Pathology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Stefan Dirnhofer
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Lorenzo Leoncini
- Department of Medical Biotechnology, Section of Pathology, University of Siena, Siena, Italy
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29
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Bruehl FK, Ketterling RP, Rimsza LM, Santos EF, McPhail ED. "Quadruple-hit" primary testicular diffuse large B-cell lymphoma with MYD88 L265P mutation, IGH::MYC, and IRF4- and BCL6-rearrangements. J Hematop 2023; 16:161-165. [PMID: 38175404 DOI: 10.1007/s12308-023-00556-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 07/28/2023] [Indexed: 01/05/2024] Open
Abstract
Classification of DLBCL relies on clinical, immunohistochemical, and genetic information. We report a case of primary testicular diffuse large B-cell lymphoma (PT-DLBCL) with a hitherto unreported constellation of pathologic findings to illustrate the challenges of DLBCL classification. A standard hematopathology workup was followed by gene expression profiling (GEP) to determine the DLBCL cell of origin (COO). A 75-year-old man presented with a unilateral testicular mass that had developed over the course of 1 month. Pathologic examination demonstrated involvement by DLBCL. Clinical staging revealed no systemic disease. Genetic testing showed an MYD88 mutation, as well as IGH::MYC and IRF4- and BCL6-rearrangements. Gene expression profiling demonstrated an activated B-cell expression profile. This case highlights the genetic complexity of DLBCL arising in the testis and questions the clinical significance of the identified genetic abnormalities.
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Affiliation(s)
- Frido K Bruehl
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Rhett P Ketterling
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Lisa M Rimsza
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, AZ, USA
| | - Edward F Santos
- Department of Pathology, OSF Saint Anthony Medical Center, Rockford, IL, USA
| | - Ellen D McPhail
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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30
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Salmerón-Villalobos J, Castrejón-de-Anta N, Guerra-García P, Ramis-Zaldivar JE, López-Guerra M, Mato S, Colomer D, Diaz-Crespo F, Menarguez J, Garrido-Pontnou M, Andrés M, García-Fernández E, Llavador M, Frigola G, García N, González-Farré B, Martín-Guerrero I, Garrido-Colino C, Astigarraga I, Fernández A, Verdú-Amorós J, González-Muñíz S, González B, Celis V, Campo E, Balagué O, Salaverria I. Decoding the molecular heterogeneity of pediatric monomorphic post-solid organ transplant lymphoproliferative disorders. Blood 2023; 142:434-445. [PMID: 37053555 DOI: 10.1182/blood.2022019543] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/28/2023] [Accepted: 03/31/2023] [Indexed: 04/15/2023] Open
Abstract
Posttransplant lymphoproliferative disorders (PTLDs) represent a broad spectrum of lymphoid proliferations, frequently associated with Epstein-Barr virus (EBV) infection. The molecular profile of pediatric monomorphic PTLDs (mPTLDs) has not been elucidated, and it is unknown whether they display similar genetic features as their counterpart in adult and immunocompetent (IMC) pediatric patients. In this study, we investigated 31 cases of pediatric mPTLD after solid organ transplantation, including 24 diffuse large B-cell lymphomas (DLBCLs), mostly classified as activated B cell, and 7 cases of Burkitt lymphoma (BL), 93% of which were EBV positive. We performed an integrated molecular approach, including fluorescence in situ hybridization, targeted gene sequencing, and copy number (CN) arrays. Overall, PTLD-BL carried mutations in MYC, ID3, DDX3X, ARID1A, or CCND3 resembling IMC-BL, higher mutational burden than PTLD-DLBCL, and lesser CN alterations than IMC-BL. PTLD-DLBCL showed a very heterogeneous genomic profile with fewer mutations and CN alterations than IMC-DLBCL. Epigenetic modifiers and genes of the Notch pathway were the most recurrently mutated in PTLD-DLBCL (both 28%). Mutations in cell cycle and Notch pathways correlated with a worse outcome. All 7 patients with PTLD-BL were alive after treatment with pediatric B-cell non-Hodgkin lymphoma protocols, whereas 54% of patients with DLBCL were cured with immunosuppression reduction, rituximab, and/or low-dose chemotherapy. These findings highlight the low complexity of pediatric PTLD-DLBCL, their good response to low-intensity treatment, and the shared pathogenesis between PTLD-BL and EBV-positive IMC-BL. We also suggest new potential parameters that could help in the diagnosis and the design of better therapeutic strategies for these patients.
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Affiliation(s)
- Julia Salmerón-Villalobos
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
| | - Natalia Castrejón-de-Anta
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Pilar Guerra-García
- Pediatric Hematology and Oncology Department, Hospital Universitario La Paz, Translational Research in Pediatric Oncology, Hematopoietic Transplantation and Cell Therapy, Instituto de Investigación Sanitaria del Hospital Universitario La Paz - IdiPAZ, Madrid, Spain
| | - Joan Enric Ramis-Zaldivar
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
| | - Mónica López-Guerra
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Sara Mato
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
| | - Dolors Colomer
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Francisco Diaz-Crespo
- Pathology Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Javier Menarguez
- Pathology Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | - Mara Andrés
- Pediatric Hematology and Oncology Department, Hospital Universitario y Politécnico La Fe de Valencia, Valencia, Spain
| | | | - Margarita Llavador
- Pathology Department, Hospital Universitario y Politécnico La Fe de Valencia, Valencia, Spain
| | - Gerard Frigola
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Noelia García
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Blanca González-Farré
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Idoia Martín-Guerrero
- Department of Genetics, Physics Anthropology and Animal Physiology, Faculty of Science and Technology, Universidad del Pais Vasco/Euskal Herriko Unibertsitatea, Leioa, Spain
- Department of Pediatrics, Osakidetza, Biocruces Bizkaia Health Research Institute, Hospital Universitario Cruces, Barakaldo, Spain
- Departament of Pediatrics, Universidad del Pais Vasco/Euskal Herriko Unibertsitatea, Leioa, Spain
| | - Carmen Garrido-Colino
- Pediatric Oncology and Hematology Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Itziar Astigarraga
- Department of Pediatrics, Osakidetza, Biocruces Bizkaia Health Research Institute, Hospital Universitario Cruces, Barakaldo, Spain
- Departament of Pediatrics, Universidad del Pais Vasco/Euskal Herriko Unibertsitatea, Leioa, Spain
| | - Alba Fernández
- Pediatric Oncology and Hematology Department, Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - Jaime Verdú-Amorós
- Pediatric Oncology and Hematology Department, Hospital Clínico Universitario de Valencia, Valencia, Spain
| | - Soledad González-Muñíz
- Pediatric Oncology and Hematology Department, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Berta González
- Pediatric Hematology and Oncology Department, Hospital Universitario La Paz, Translational Research in Pediatric Oncology, Hematopoietic Transplantation and Cell Therapy, Instituto de Investigación Sanitaria del Hospital Universitario La Paz - IdiPAZ, Madrid, Spain
| | - Verónica Celis
- Pediatric Oncology and Hematology Department, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Elías Campo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Olga Balagué
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
- Hematopathology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Itziar Salaverria
- Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
- Centro de Investigación Biomédica en Red-Oncología, Madrid, Spain
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Assaf N, Hanania N, Lefebvre C, Penther D, Salmeron G, Petitjean B, Terré C. Molecular characterization of adult IRF4 large B-cell lymphoma with spontaneous remission. Acta Oncol 2023; 62:948-952. [PMID: 37517001 DOI: 10.1080/0284186x.2023.2238546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 06/28/2023] [Indexed: 08/01/2023]
Affiliation(s)
- Nada Assaf
- Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Lebanon
| | - Noor Hanania
- Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Lebanon
| | - Christine Lefebvre
- Laboratoire d'Hématologie Biologique, Centre Hospitalier Universitaire de Grenoble Alpes (CHUGA), France
| | | | - Géraldine Salmeron
- Department of Hematology, Centre Hospitalier de Versailles, Le Chesnay, France
- UMR1184, University Paris-Saclay, France
- Department of Laboratory Medicine, Hematology, Centre Hospitalier de Versailles, Le Chesnay, France
| | - Bruno Petitjean
- Anatomie et Cytologie Pathologiques, Centre Hospitalier Intercommunal de Poissy Saint Germain en Laye, France
| | - Christine Terré
- Department of Laboratory Medicine, Hemato-Oncologic Cytogenetics, Centre Hospitalier de Versailles, Le Chesnay, France
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Bruneau J, Isnard P, Morcrette G, Couronné L, Molina TJ. Histoséminaire de la Société française de pathologie « Quand les tumeurs pédiatriques et adultes se rejoignent » Cas no 7. Ann Pathol 2023:S0242-6498(23)00088-3. [PMID: 37137759 DOI: 10.1016/j.annpat.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 04/13/2023] [Indexed: 05/05/2023]
Affiliation(s)
- Julie Bruneau
- Service de pathologie, hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France; Hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France.
| | - Pierre Isnard
- Service de pathologie, hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France; Hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France
| | - Guillaume Morcrette
- Service de pathologie, hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France; Hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France
| | - Lucile Couronné
- Laboratoire d'oncohématologie, hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France; Hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France
| | - Thierry-Jo Molina
- Service de pathologie, hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France; Hôpital Necker Enfants malades-Assistance publique-Hôpitaux de Paris, université Paris cité, Paris, France
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Hori D, Kobayashi R, Nakazawa A, Iwafuchi H, Klapper W, Osumi T, Ohk K, Sekimizu M. Non-germinal center B-cell subtype of pediatric diffuse large B-cell lymphoma in Japan: A retrospective cohort study. Pediatr Blood Cancer 2023; 70:e30279. [PMID: 36860130 DOI: 10.1002/pbc.30279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 02/01/2023] [Accepted: 02/10/2023] [Indexed: 03/03/2023]
Abstract
BACKGROUND Diffuse large B-cell lymphoma (DLBCL) is classified into two molecular subtypes according to its cell of origin: germinal center B-cell (GCB) subtype and activated B-cell/non-GCB subtype. This latter subtype shows a poorer prognosis in adults. However, in pediatric DLBCL, the prognostic impact of the subtype is yet to be clarified. OBJECTIVES This study sought to compare the prognosis between GCB and non-GCB DLBCL in a large number of cases in children and adolescents. In addition, this study intended to describe the clinical, immunohistochemical, and cytogenetic characteristics of these two molecular subtypes of DLBCL, and consider differences in the biology, frequency, and prognosis of GCB and non-GCB subtypes in pediatric versus adult DLBCL or in Japanese versus Western pediatric DLBCL patients. DESIGN/METHODS We selected mature B-cell lymphoma/leukemia patients for whom specimens had been submitted to the central pathology review in Japan between June 2005 and November 2019. We referred the past studies on Asian adult patients and Western pediatric patients to compare with our results. RESULTS Data were obtained from 199 DLBCL patients. The median age of all patients was 10 years, with 125 patients (62.8%) in the GCB group and 49 (24.6%) in the non-GCB group other than 25 cases whose immunohistochemical data were insufficient. Overall, the percentage of translocation of MYC (1.4%) and BCL6 (6.3%) was lower than in adult and Western pediatric DLBCL cases. The non-GCB group showed a significantly higher proportion of females (44.9%), a higher incidence of stage III disease (38.8%), and B-cell lymphoma 2 (BCL2)-positivity in immunohistochemistry (79.6%) compared to the GCB group; however, no BCL2 rearrangement was observed in both GCB and non-GCB groups. The prognosis did not differ significantly between the GCB and non-GCB groups. CONCLUSION This study including a large number of non-GCB patients showed the same prognosis between GCB and non-GCB groups and suggested a difference in the biology of pediatric and adolescent DLBCL compared to adult DLBCL as well as between Asian and Western DLBCL.
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Affiliation(s)
- Daiki Hori
- Lymphoma and Pathology Committee, JCCG (Japan Children's Cancer Group)/JPLSG (Japan Pediatric Leukemia/Lymphoma Study Group), Tokyo, Japan
- Department of Hematology/Oncology for Children and Adolescents, Sapporo Hokuyu Hospital, Sapporo, Hokkaido, Japan
| | - Ryoji Kobayashi
- Lymphoma and Pathology Committee, JCCG (Japan Children's Cancer Group)/JPLSG (Japan Pediatric Leukemia/Lymphoma Study Group), Tokyo, Japan
- Department of Hematology/Oncology for Children and Adolescents, Sapporo Hokuyu Hospital, Sapporo, Hokkaido, Japan
| | - Atsuko Nakazawa
- Lymphoma and Pathology Committee, JCCG (Japan Children's Cancer Group)/JPLSG (Japan Pediatric Leukemia/Lymphoma Study Group), Tokyo, Japan
- Department of Clinical Research, Saitama Children's Medical Center, Saitama, Japan
| | - Hideto Iwafuchi
- Lymphoma and Pathology Committee, JCCG (Japan Children's Cancer Group)/JPLSG (Japan Pediatric Leukemia/Lymphoma Study Group), Tokyo, Japan
- Department of Pathology, Shizuoka Children's Hospital, Shizuoka, Japan
| | - Wolfram Klapper
- Department of Pathology, General Pathology and Hematopathology, University Hospitals Schleswig-Holstein, Kiel, Germany
| | - Tomoo Osumi
- National Center for Child Health and Development, Children's Cancer Center, Tokyo, Japan
| | - Kentaro Ohk
- Lymphoma and Pathology Committee, JCCG (Japan Children's Cancer Group)/JPLSG (Japan Pediatric Leukemia/Lymphoma Study Group), Tokyo, Japan
- Department of Pediatric Hematology and Oncology Research, Research Institute, National Center for Child Health and Development, Tokyo, Japan
| | - Masahiro Sekimizu
- Lymphoma and Pathology Committee, JCCG (Japan Children's Cancer Group)/JPLSG (Japan Pediatric Leukemia/Lymphoma Study Group), Tokyo, Japan
- Department of Pediatrics, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
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Jiang XN, Yu F, Xue T, Xia QX, Bai QM, Yu BH, Shui RH, Zhou XY, Zhu XZ, Cao JN, Hong XN, Li XQ. IRF4 rearrangement may predict favorable prognosis in children and young adults with primary head and neck large B-cell lymphoma. Cancer Med 2023; 12:10684-10693. [PMID: 37081786 DOI: 10.1002/cam4.5828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/16/2023] [Accepted: 03/12/2023] [Indexed: 04/22/2023] Open
Abstract
PURPOSE Large B-cell lymphoma with IRF4 rearrangement (LBCL, IRF4+) has been recently recognized as a specific entity that is frequently associated with young age and favorable prognosis. However, whether the good outcome of the disease is due to IRF4+ or other factors remains obscure. We thus analyzed 100 young patients with primary head and neck LBCL to see the clinicopathologic correlates of IRF4+. METHODS The histopathology, immunophenotype, IRF4 status of the tumors, and clinical data were reviewed. RESULTS Twenty-one tumors were diagnosed as LBCL, IRF4+, which were more frequently associated with a follicular growth pattern, medium-sized blastoid cytology, germinal center B-cell-like, and CD5+ phenotype, compared with IRF4- ones. While most of the patients received chemotherapy with or without radiation, eight IRF4+ patients received mere surgical resection of the tumor and exhibited excellent outcome. IRF4+ cases featured a significantly higher complete remission rate, and better survivals compared with IRF4- ones. Multivariate analysis confirmed IRF4+ correlates with a better survival. CONCLUSION Our work confirmed the unique clinicopathologic features of LBCL, IRF4+, and disclosed for the first time the independent favorable prognostic impact of IRF4+. These findings may further unravel the heterogeneity of LBCL occurring in youth, and aid in risk stratification and tailoring the therapeutic strategy.
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Affiliation(s)
- Xiang-Nan Jiang
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Fang Yu
- Department of Pathology, The First Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Tian Xue
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Qing-Xin Xia
- Department of Pathology, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, China
| | - Qian-Ming Bai
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Bao-Hua Yu
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Ruo-Hong Shui
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Xiao-Yan Zhou
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Xiong-Zeng Zhu
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
| | - Jun-Ning Cao
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiao-Nan Hong
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiao-Qiu Li
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Institute of Pathology, Fudan University, Shanghai, China
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Kurz KS, Ott M, Kalmbach S, Steinlein S, Kalla C, Horn H, Ott G, Staiger AM. Large B-Cell Lymphomas in the 5th Edition of the WHO-Classification of Haematolymphoid Neoplasms-Updated Classification and New Concepts. Cancers (Basel) 2023; 15:cancers15082285. [PMID: 37190213 DOI: 10.3390/cancers15082285] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 05/17/2023] Open
Abstract
The family/class of the large B-cell lymphomas (LBCL) in the 5th edition of the World Health Organization (WHO) classification of haematolymphoid tumors (WHO-HAEM5) features only a few major changes as compared to the 4th edition. In most entities, there are only subtle changes, many of them only representing some minor modifications in diagnostic terms. Major changes have been made in the diffuse large B-cell lymphomas (DLBCL)/high-grade B-cell lymphomas (HGBL) associated with MYC and BCL2 and/or BCL6 rearrangements. This category now consists of MYC and BCL2 rearranged cases exclusively, while the MYC/BCL6 double hit lymphomas now constitute genetic subtypes of DLBCL, not otherwise specified (NOS) or of HGBL, NOS. Other major changes are the conceptual merger of lymphomas arising in immune-privileged sites and the description of LBCL arising in the setting of immune dysregulation/deficiency. In addition, novel findings concerning underlying biological mechanisms in the pathogenesis of the different entities are provided.
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Affiliation(s)
- Katrin S Kurz
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
| | - Michaela Ott
- Department of Pathology, Marienhospital, 70199 Stuttgart, Germany
| | - Sabrina Kalmbach
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, 70376 Stuttgart, Germany
| | - Sophia Steinlein
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, 70376 Stuttgart, Germany
| | - Claudia Kalla
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, 70376 Stuttgart, Germany
| | - Heike Horn
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, 70376 Stuttgart, Germany
| | - German Ott
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
| | - Annette M Staiger
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, 70376 Stuttgart, Germany
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, 70376 Stuttgart, Germany
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Loveday T, Duns G, Rimsza LM, Rech KL, Cook JR, Robetorye RS, Rosenthal AC, Ramsower CA, Yip TK, McKinney CL, Swerdlow SH, Bhavsar S, Steidl C, Gibson SE. Transformation of FL into DLBCL with a PMBL gene expression signature. Blood Adv 2023; 7:893-899. [PMID: 36240289 PMCID: PMC10025110 DOI: 10.1182/bloodadvances.2022007360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 11/20/2022] Open
Abstract
We investigated the clinicopathologic features of 5 follicular lymphomas (FLs) that transformed (tFL) morphologically to diffuse large B-cell lymphomas (DLBCLs) and had a primary mediastinal large B-cell lymphoma (PMBL)-like gene expression profile (tFL-PMBLsig-pos). None of the tFL-PMBLsig-pos cases arose in the mediastinum, all cases tested had a germinal center B-cell phenotype, 20% were CD30+, 60% CD23+, 80% MAL+, 20% CD200+, and 0% CD273/PDL2+. Whole-exome sequencing detected alterations in genes associated with both FL/DLBCL (CREBBP, KMT2C, KMT2D, ARID1A, HIST1 members, and TNFRSF14) and PMBL (JAK-STAT pathway genes, B2M, and CD58). Copy number (CN) analysis detected gains/amplification of REL and STAT6 in 60%, gains of SOCS1 in 40%, and gains of chromosome 16, including IL4R, in 40% of the cases. CN gains/amplification of BCL6 and MYC and loss of TNFRSF14 and TNFAIP3 were identified in 20% of the cases. Three of 5 cases lacked a BCL2 rearrangement. Despite having some features that are less common in DLBCL (MAL and CD23 expression and JAK-STAT activation), these tFL-PMBLsig-pos cases lack the most characteristic CN alteration seen in PMBL (9p24.1 gain/amplification). This cohort expands the biologic heterogeneity of tFL, illustrating a subset with gene expression and some genetic features reminiscent of PMBL, with potential treatment implications that include the use of novel targeted therapies.
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Affiliation(s)
| | - Gerben Duns
- Centre for Lymphoid Cancer, British Columbia (BC) Cancer, Vancouver, BC
| | - Lisa M. Rimsza
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ
| | - Karen L. Rech
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - James R. Cook
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Ryan S. Robetorye
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ
| | | | | | - Tameson K. Yip
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ
| | | | - Steven H. Swerdlow
- Division of Hematopathology, University of Pittsburgh School of Medicine/UPMC, Pittsburgh, PA
| | - Shweta Bhavsar
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
- Division of Hematopathology, University of Pittsburgh School of Medicine/UPMC, Pittsburgh, PA
| | - Christian Steidl
- Centre for Lymphoid Cancer, British Columbia (BC) Cancer, Vancouver, BC
| | - Sarah E. Gibson
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, AZ
- Correspondence: Sarah E. Gibson, Mayo Clinic Arizona, 5777 East Mayo Blvd, Phoenix, AZ 85054;
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Streich S, Frauenfeld L, Otto F, Mankel B, Bonzheim I, Fend F, Quintanilla-Martinez L. Prevalence of IRF4 rearrangement in large B-cell lymphomas of the Waldeyer's ring in adults. Virchows Arch 2023; 482:551-560. [PMID: 36810796 PMCID: PMC10033557 DOI: 10.1007/s00428-023-03516-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/23/2023]
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common B-cell non-Hodgkin lymphoma (B-NHL) in adults. These lymphomas are classified according to gene expression profiling (GEP) into germinal center B-cell (GCB) and activated B-cell type (ABC). Recent studies have suggested new subtypes of large B-cell lymphoma, based on genetic and molecular alterations, among them is large B-cell lymphoma with IRF4-rearrangement (LBCL-IRF4). We used fluorescence in situ hybridization (FISH), GEP (using the DLBCL COO assay by HTG Molecular Inc), and next generation sequencing (NGS) to comprehensively characterize 30 cases of LBCLs located in Waldeyer's ring in adult patients and to identify LBCL-IRF4. FISH revealed breaks of IRF4 in 2/30 cases (6.7%), BCL2 breaks in 6/30 cases (20.0%), and IGH breaks in 13/29 cases (44.8%). GEP classified 14 cases each as GCB or ABC subtype, and 2 cases remained unclassified; this was concordant with the immunohistochemistry (IHC) in 25/30 cases (83.3%). A subgrouping, based on GEP, was performed: group 1 included 14 GCB cases with the most frequent mutations in BCL2 and EZH2 in 6/14 cases (42.8%). The two cases with IRF4 rearrangement were assigned to this group by GEP and showed IRF4 mutations, supporting the diagnosis of LBCL-IRF4. Group 2 included 14 ABC cases; the most frequent mutations were CD79B and MYD88 identified in 5/14 patients (35.7%). Group 3 included 2 unclassifiable cases in which no molecular patterns were detected. Overall, LBCLs of Waldeyer's ring in adult patients are a heterogeneous group, including LBCL-IRF4, which shares several features with cases in the pediatric population.
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Affiliation(s)
- Sebastian Streich
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Leonie Frauenfeld
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Franziska Otto
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Barbara Mankel
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Irina Bonzheim
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Falko Fend
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany.
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Xavier AC, Suzuki R, Attarbaschi A. Diagnosis and management of rare paediatric Non-Hodgkin lymphoma. Best Pract Res Clin Haematol 2023; 36:101440. [PMID: 36907633 DOI: 10.1016/j.beha.2023.101440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 01/16/2023]
Abstract
Mature B-cell lymphomas, (B- or T-cell) lymphoblastic lymphomas (LBL), and anaplastic large cell lymphoma (ALCL) correspond to about 90% of all non-Hodgkin lymphoma (NHL) cases occurring in children and adolescents. The remaining 10% encompass a complex group of entities characterized by low/very low incidences, paucity of knowledge in terms of underlying biology in comparison to their adult counterparts, and consequent lack of standardization of care, information on clinical therapeutic efficacy and long-term survival. At the Seventh International Symposium on Childhood, Adolescent and Young Adult NHL, organized on October 20-23, 2022, in New York City, New York, US, we had the opportunity to discuss clinical, pathogenetic, diagnostic, and treatment aspects of certain subtypes of rare B- or T-cell NHL and they will be the topic of this review.
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Affiliation(s)
- Ana C Xavier
- Division of Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, 1600 7(th) Avenue South, Lowder 512 Birmingham, AL, 35233, USA.
| | - Ritsuro Suzuki
- Department of Hematology and Oncology, Shimane University, 89-1 En-ya Cho, Izumo, 693-8501, Japan.
| | - Andishe Attarbaschi
- Department of Pediatric Hematology and Oncology, St. Anna Children's Hospital, Medical University of Vienna, Kinderspitalgasse 6, 1090, Vienna, Austria; St. Anna Children's Cancer Research Institute, Zimmermannplatz 10, 1090, Vienna, Austria.
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Beishuizen A, Mellgren K, Andrés M, Auperin A, Bacon CM, Bomken S, Burke GAA, Burkhardt B, Brugieres L, Chiang AKS, Damm-Welk C, d'Amore E, Horibe K, Kabickova E, Khanam T, Kontny U, Klapper W, Lamant L, Le Deley MC, Loeffen J, Macintyre E, Mann G, Meyer-Wentrup F, Michgehl U, Minard-Colin V, Mussolin L, Oschlies I, Patte C, Pillon M, Reiter A, Rigaud C, Roncery L, Salaverria I, Simonitsch-Klupp I, Uyttebroeck A, Verdu-Amoros J, Williams D, Woessmann W, Wotherspoon A, Wrobel G, Zimmermann M, Attarbaschi A, Turner SD. Improving outcomes of childhood and young adult non-Hodgkin lymphoma: 25 years of research and collaboration within the framework of the European Intergroup for Childhood Non-Hodgkin Lymphoma. Lancet Haematol 2023; 10:e213-e224. [PMID: 36858678 DOI: 10.1016/s2352-3026(22)00374-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/01/2022] [Accepted: 11/18/2022] [Indexed: 03/03/2023]
Abstract
The European Intergroup for Childhood Non-Hodgkin Lymphoma (EICNHL) was established 25 years ago with the goal to facilitate clinical trials and research collaborations in the field both within Europe and worldwide. Since its inception, much progress has been made whereby major improvements in outcomes have been achieved. In this Review, we describe the different diagnostic entities of non-Hodgkin lymphoma in children and young adults describing key features of each entity and outlining clinical achievements made in the context of the EICNHL framework. Furthermore, we provide an overview of advances in biopathology with an emphasis on the role of biological studies and how they have shaped available treatments. Finally, for each entity, we describe future goals, upcoming clinical trials, and highlight areas of research that require our focus going forward.
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Affiliation(s)
- Auke Beishuizen
- Division of Hemato-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands; The Netherlands and Erasmus MC-Sophia Children's Hospital, Rotterdam, Netherlands
| | - Karin Mellgren
- Department of Paediatric Oncology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Mara Andrés
- Department of Pediatric Oncology, University Hospital Le Fe, Valencia, Spain
| | - Anne Auperin
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Chris M Bacon
- The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK; Wolfson Childhood Cancer Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Simon Bomken
- The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK; Wolfson Childhood Cancer Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - G A Amos Burke
- Department of Paediatric Haematology, Oncology and Palliative Care, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | - Birgit Burkhardt
- Department of Pediatric Hematology, Oncology, and BMT, University Hospital Muenster, Münster, Germany
| | - Laurence Brugieres
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Alan K S Chiang
- Department of Pediatrics & AdolescentMedicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - Christine Damm-Welk
- Pediatric Hematology and Oncology, University Medical Centre Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Emanuele d'Amore
- Department of Pathological Anatomy, San Bortolo Hospital, Vicenza, Italy
| | - Keizo Horibe
- Clinical Research Center, National Hospital Organization Nagoya Medical Center, Aichi, Japan
| | - Edita Kabickova
- Department of Pediatric Hematology and Oncology, Charles University & University Hospital Motol, Prague, Czech Republic
| | - Tasneem Khanam
- Department of Paediatric Haematology, Oncology and Palliative Care, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | - Udo Kontny
- Section of Pediatric Hematology, Oncology, and Stem Cell Transplantation, Department of Pediatric and Adolescent Medicine, RWTH Aachen University Hospital, Aachen, Germany
| | - Wolfram Klapper
- Institute of Pathology, Hematopathology Section, University of Schleswig-Holstein, Kiel, Germany
| | - Laurence Lamant
- Université Toulouse III-Paul Sabatier, Laboratoire d'Excellence Toulouse Cancer-TOUCAN, Équipe Labellisée La Ligue Contre Le Cancer, Inserm, Toulouse, France
| | | | - Jan Loeffen
- Division of Hemato-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Elizabeth Macintyre
- Onco-hematology, Université Paris Cité and Necker-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Georg Mann
- Pediatric Hematology and Oncology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Friederike Meyer-Wentrup
- Division of Hemato-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Ulf Michgehl
- Department of Paediatric Haematology, Oncology and Palliative Care, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | - Veronique Minard-Colin
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Lara Mussolin
- Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy; Pediatric Hematology, Oncology and Stem Cell Transplant Division, Maternal and Child Health Department, Padova University Hospital, Padova, Italy
| | - Ilske Oschlies
- Institute of Pathology, Hematopathology Section, University of Schleswig-Holstein, Kiel, Germany
| | - Catherine Patte
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Marta Pillon
- Pediatric Hematology, Oncology and Stem Cell Transplant Division, Maternal and Child Health Department, Padova University Hospital, Padova, Italy
| | - Alfred Reiter
- Department of Pediatric Hematology and Oncology, Justus Liebig-University Giessen, Giessen, Germany
| | - Charlotte Rigaud
- Department of Pediatric Hematology, Oncology, and BMT, University Hospital Muenster, Münster, Germany
| | - Leila Roncery
- St Anna Children's Hospital, Department of Paediatric Haematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Itziar Salaverria
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | | | - Anne Uyttebroeck
- Department of Pediatric Hematology and Oncology, University Hospital Leuven,KU Leuven, Leuven, Belgium
| | - Jaime Verdu-Amoros
- Department of Pediatric Hematology and Oncology, University Hospital Valencia, Valencia, Spain
| | - Denise Williams
- Wolfson Childhood Cancer Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Wilhelm Woessmann
- Pediatric Hematology and Oncology, University Medical Centre Hamburg-Eppendorf (UKE), Hamburg, Germany
| | | | - Grazyna Wrobel
- Bone Marrow Transplantation and Pediatric Hematology and Oncology, Wroclaw Medical University, Wroclaw, Poland
| | - Martin Zimmermann
- Hannover Medical School, Department of Pediatric Hematology and Oncology, Hannover, Germany
| | - Andishe Attarbaschi
- St Anna Children's Hospital, Department of Paediatric Haematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Suzanne D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK; Central European Institute for Technology, Masaryk University, Brno, Czech Republic.
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Alfaifi A, Refai MY, Alsaadi M, Bahashwan S, Malhan H, Al-Kahiry W, Dammag E, Ageel A, Mahzary A, Albiheyri R, Almehdar H, Qadri I. Metabolomics: A New Era in the Diagnosis or Prognosis of B-Cell Non-Hodgkin's Lymphoma. Diagnostics (Basel) 2023; 13:diagnostics13050861. [PMID: 36900005 PMCID: PMC10000528 DOI: 10.3390/diagnostics13050861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/12/2023] Open
Abstract
A wide range of histological as well as clinical properties are exhibited by B-cell non-Hodgkin's lymphomas. These properties could make the diagnostics process complicated. The diagnosis of lymphomas at an initial stage is essential because early remedial actions taken against destructive subtypes are commonly deliberated as successful and restorative. Therefore, better protective action is needed to improve the condition of those patients who are extensively affected by cancer when diagnosed for the first time. The development of new and efficient methods for early detection of cancer has become crucial nowadays. Biomarkers are urgently needed for diagnosing B-cell non-Hodgkin's lymphoma and assessing the severity of the disease and its prognosis. New possibilities are now open for diagnosing cancer with the help of metabolomics. The study of all the metabolites synthesised in the human body is called "metabolomics." A patient's phenotype is directly linked with metabolomics, which can help in providing some clinically beneficial biomarkers and is applied in the diagnostics of B-cell non-Hodgkin's lymphoma. In cancer research, it can analyse the cancerous metabolome to identify the metabolic biomarkers. This review provides an understanding of B-cell non-Hodgkin's lymphoma metabolism and its applications in medical diagnostics. A description of the workflow based on metabolomics is also provided, along with the benefits and drawbacks of various techniques. The use of predictive metabolic biomarkers for the diagnosis and prognosis of B-cell non-Hodgkin's lymphoma is also explored. Thus, we can say that abnormalities related to metabolic processes can occur in a vast range of B-cell non-Hodgkin's lymphomas. The metabolic biomarkers could only be discovered and identified as innovative therapeutic objects if we explored and researched them. In the near future, the innovations involving metabolomics could prove fruitful for predicting outcomes and bringing out novel remedial approaches.
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Affiliation(s)
- Abdullah Alfaifi
- Department of Biological Science, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Fayfa General Hospital, Ministry of Health, Jazan 83581, Saudi Arabia
| | - Mohammed Y. Refai
- Department of Biochemistry, College of Science, University of Jeddah, Jeddah 21493, Saudi Arabia
| | - Mohammed Alsaadi
- Department of Biological Science, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Hematology Research Unit, King Fahad Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Salem Bahashwan
- Hematology Research Unit, King Fahad Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Hematology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- King Abdulaziz University Hospital, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hafiz Malhan
- Prince Mohammed Bin Nasser Hospital, Ministry of Health, Jazan 82943, Saudi Arabia
| | - Waiel Al-Kahiry
- Prince Mohammed Bin Nasser Hospital, Ministry of Health, Jazan 82943, Saudi Arabia
| | - Enas Dammag
- Prince Mohammed Bin Nasser Hospital, Ministry of Health, Jazan 82943, Saudi Arabia
| | - Ageel Ageel
- Prince Mohammed Bin Nasser Hospital, Ministry of Health, Jazan 82943, Saudi Arabia
| | - Amjed Mahzary
- Eradah Hospital, Ministry of Health, Jazan 82943, Saudi Arabia
| | - Raed Albiheyri
- Department of Biological Science, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hussein Almehdar
- Department of Biological Science, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ishtiaq Qadri
- Department of Biological Science, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Correspondence:
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Intravascular Large B-Cell Lymphoma Genomic Profile Is Characterized by Alterations in Genes Regulating NF-κB and Immune Checkpoints. Am J Surg Pathol 2023; 47:202-211. [PMID: 36221796 PMCID: PMC9833110 DOI: 10.1097/pas.0000000000001978] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Intravascular large B-cell lymphoma (IVLBCL) is an uncommon lymphoma with an aggressive clinical course characterized by selective growth of tumor cells within the vessels. Its pathogenesis is still uncertain and there is little information on the underlying genomic alterations. In this study, we performed a clinicopathologic and next-generation sequencing analysis of 15 cases of IVLBCL using a custom panel for the detection of alterations in 68 recurrently mutated genes in B-cell lymphomagenesis. Six patients had evidence of hemophagocytic syndrome. Four patients presented concomitantly a solid malignancy. Tumor cells outside the vessels were observed in 7 cases, 2 with an overt diffuse large B-cell cell lymphoma. In 4 samples, tumor cells infiltrated lymphatic vessel in addition to blood capillaries. Programmed death-ligand 1 (PD-L1) was positive in tumor cells in 4 of 11 evaluable samples and in macrophages intermingled with tumor cells in 8. PD-L1 copy number gains were identified in a higher proportion of cases expressing PD-L1 than in negative tumors. The most frequently mutated gene was PIM1 (9/15, 60%), followed by MYD88L265P and CD79B (8/15, 53% each). In 6 cases, MYD88L265P and CD79B mutations were detected concomitantly. We also identified recurrent mutations in IRF4 , TMEM30A , BTG2 , and ETV6 loci (4/15, 27% each) and novel driver mutations in NOTCH2 , CCND3 , and GNA13 , and an IRF4 translocation in 1 case each. The mutational profile was similar in patients with and without evidence of hemophagocytic syndrome and in cases with or without dissemination of tumor cells outside the vessels. Our results confirm the relevance of mutations in B-cell receptor/nuclear factor-κB signaling and immune escape pathways in IVLBCL and identify novel driver alterations. The similar mutational profile in tumors with extravascular dissemination suggests that these cases may also be considered in the spectrum of IVLBCL.
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Czarny J, Andrzejewska M, Zając-Spychała O, Latos-Grażyńska E, Pastorczak A, Wypyszczak K, Szczawińska-Popłonyk A, Niewiadomska-Wojnałowicz I, Wziątek A, Marciniak-Stępak P, Dopierała M, Małdyk J, Jończyk-Potoczna K, Derwich K. Successful Treatment of Large B-Cell Lymphoma in a Child with Compound Heterozygous Mutation in the ATM Gene. Int J Mol Sci 2023; 24:ijms24021099. [PMID: 36674612 PMCID: PMC9866559 DOI: 10.3390/ijms24021099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/30/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023] Open
Abstract
Ataxia-telangiectasia (AT) is a multisystemic neurodegenerative inborn error of immunity (IEI) characterized by DNA repair defect, chromosomal instability, and hypersensitivity to ionizing radiation. Impaired DNA double-strand break repair determines a high risk of developing hematological malignancies, especially lymphoproliferative diseases. Poor response to treatment, excessive chemotherapy toxicities, and the need for avoiding exposure to ionizing radiation make the successful clinical management of patients with AT challenging for oncologists. We describe the favorable outcome of the LBCL with IRF4 rearrangement at stage III in a 7-year-old female patient diagnosed with AT. The patient was treated according to the B-HR arm of the INTER-B-NHL-COP 2010 protocol, including the administration of rituximab, cyclophosphamide, methotrexate, prednisone, etc. She presented excessive treatment toxicities despite individually reduced doses of methotrexate and cyclophosphamide. However, in the MRI there was no significant reduction in pathologic lymph nodes after three immunochemotherapy courses. Therefore, a lymph node biopsy was taken. Its subsequent histopathological examination revealed tuberculosis-like changes, though tuberculosis suspicion was excluded. After two following immunochemotherapy courses, PET-CT confirmed complete remission. From March 2022 onwards, the patient has remained in remission under the care of the outpatient children's oncology clinic.
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Affiliation(s)
- Jakub Czarny
- Faculty of Medicine, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Marta Andrzejewska
- Faculty of Medicine, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Elżbieta Latos-Grażyńska
- Department of Pediatric Bone Marrow Transplantation, Oncology and Hematology, Wrocław Medical University, 50-556 Wrocław, Poland
| | - Agata Pastorczak
- Department of Pediatrics, Oncology and Hematology, Medical University of Łódź, 91-738 Łódź, Poland
| | - Kamila Wypyszczak
- Department of Pediatrics, Oncology and Hematology, Medical University of Łódź, 91-738 Łódź, Poland
| | - Aleksandra Szczawińska-Popłonyk
- Department of Pediatric Pneumonology, Allergy and Clinical Immunology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Izabela Niewiadomska-Wojnałowicz
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Agnieszka Wziątek
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Patrycja Marciniak-Stępak
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Michał Dopierała
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
- Department of Pathology and Clinical Immunology, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Jadwiga Małdyk
- Department of Pathology, Medical University of Warsaw, 02-106 Warsaw, Poland
| | - Katarzyna Jończyk-Potoczna
- Department of Pediatric Radiology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznań University of Medical Sciences, 60-355 Poznań, Poland
- Correspondence:
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Aukema SM, Glaser S, van den Hout MFCM, Dahlum S, Blok MJ, Hillmer M, Kolarova J, Sciot R, Schott DA, Siebert R, Stumpel CTRM. Molecular characterization of an embryonal rhabdomyosarcoma occurring in a patient with Kabuki syndrome: report and literature review in the light of tumor predisposition syndromes. Fam Cancer 2023; 22:103-118. [PMID: 35856126 PMCID: PMC9829644 DOI: 10.1007/s10689-022-00306-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/05/2022] [Indexed: 01/13/2023]
Abstract
Kabuki syndrome is a well-recognized syndrome characterized by facial dysmorphism and developmental delay/intellectual disability and in the majority of patients a germline variant in KMT2D is found. As somatic KMT2D variants can be found in 5-10% of tumors a tumor predisposition in Kabuki syndrome is discussed. So far less than 20 patients with Kabuki syndrome and a concomitant malignancy have been published. Here we report on a female patient with Kabuki syndrome and a c.2558_2559delCT germline variant in KMT2D who developed an embryonal rhabdomyosarcoma (ERMS) at 10 years. On tumor tissue we performed DNA-methylation profiling and exome sequencing (ES). Copy number analyses revealed aneuploidies typical for ERMS including (partial) gains of chromosomes 2, 3, 7, 8, 12, 15, and 20 and 3 focal deletions of chromosome 11p. DNA methylation profiling mapped the case to ERMS by a DNA methylation-based sarcoma classifier. Sequencing suggested gain of the wild-type KMT2D allele in the trisomy 12. Including our patient literature review identified 18 patients with Kabuki syndrome and a malignancy. Overall, the landscape of malignancies in patients with Kabuki syndrome was reminiscent of that of the pediatric population in general. Histopathological and molecular data were only infrequently reported and no report included next generation sequencing and/or DNA-methylation profiling. Although we found no strong arguments pointing towards KS as a tumor predisposition syndrome, based on the small numbers any relation cannot be fully excluded. Further planned studies including profiling of additional tumors and long term follow-up of KS-patients into adulthood could provide further insights.
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Affiliation(s)
- Sietse M Aukema
- Department of Clinical Genetics, Maastricht University Medical Centre (MUMC+), PO Box 5800, 6202 AZ, Maastricht, The Netherlands.
| | - Selina Glaser
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Mari F C M van den Hout
- Department of Pathology, Research Institute GROW, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Sonja Dahlum
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Marinus J Blok
- Department of Clinical Genetics, Maastricht University Medical Centre (MUMC+), PO Box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Morten Hillmer
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Julia Kolarova
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Raf Sciot
- Department of Pathology, University Hospital, University of Leuven, 3000, Louvain, Belgium
| | - Dina A Schott
- Department of Clinical Genetics, Maastricht University Medical Centre (MUMC+), PO Box 5800, 6202 AZ, Maastricht, The Netherlands
- Department of Pediatrics, Zuyderland Medical Center, Heerlen, The Netherlands
| | - Reiner Siebert
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Constance T R M Stumpel
- Department of Clinical Genetics, Maastricht University Medical Centre (MUMC+), PO Box 5800, 6202 AZ, Maastricht, The Netherlands.
- Department of Clinical Genetics and GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center+, Maastricht, The Netherlands.
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Laurent C, Cook JR, Yoshino T, Quintanilla-Martinez L, Jaffe ES. Follicular lymphoma and marginal zone lymphoma: how many diseases? Virchows Arch 2023; 482:149-162. [PMID: 36394631 PMCID: PMC9852150 DOI: 10.1007/s00428-022-03432-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/04/2022] [Accepted: 10/15/2022] [Indexed: 11/18/2022]
Abstract
Follicular lymphoma (FL) and marginal zone lymphoma (MZL) are indolent mature B-cell neoplasms with variable clinical presentation and distinct histopathologic features. Recent advances in the biology and molecular characteristics of these lymphomas have further expanded our understanding of the heterogeneous nature of these lymphomas, with increasing recognition of specific disease entities within the broader categories of FL and MZL. Here, we discuss the conclusions of the 2022 International Consensus Classification of Mature Lymphoid Neoplasms (2022 ICC) dealing with FL, and review differences with the proposed WHO 5th Edition classification. We review issues related to grading and alternative forms of FL especially those lacking the genetic hallmark of FL, the t(14;18) chromosomal alteration. Among them, t(14;18)-negative CD23+ follicle center lymphoma has been proposed by the 2022 ICC as a provisional entity. Other follicle center-derived lymphomas such as pediatric-type follicular lymphoma, testicular follicular lymphoma, primary cutaneous follicle center lymphoma, and large B-cell lymphoma with IRF4 rearrangement are considered distinct entities separate from conventional FL. Importantly, large B-cell lymphoma with IRF4 rearrangement introduced as a provisional entity in the WHO 2017 is upgraded to a definite entity in the 2022 ICC. We also discuss diagnostic strategies for recognition of MZLs including splenic MZL, extranodal MZL (MALT lymphoma), and primary nodal MZL. The importance of molecular studies in the distinction among marginal zone lymphoma subtypes is emphasized, as well as their value in the differential diagnosis with other B-cell lymphomas.
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Affiliation(s)
- Camille Laurent
- Department of Pathology, Toulouse University Hospital Center, Cancer Institute University of Toulouse-Oncopole, Toulouse, France
| | - James R. Cook
- Department of Laboratory Medicine, Robert J. Tomsich Institute of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, OH USA
| | - Tadashi Yoshino
- Department of Pathology, Graduate School of Medicine Dentistry and Pharmaceutical Science, Okayama University, Okayama, Japan
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard Karls Univesity of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tuebingen, Germany
| | - Elaine S. Jaffe
- National Cancer Institute, National Institutes of Health, Bethesda, MD USA
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Zhu D, Ouyang X, Zhang Y, Yu X, Su K, Li L. A promising new cancer marker: Long noncoding RNA EGFR-AS1. Front Oncol 2023; 13:1130472. [PMID: 36910672 PMCID: PMC9999470 DOI: 10.3389/fonc.2023.1130472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/03/2023] [Indexed: 03/14/2023] Open
Abstract
Cancer consists of a group of diseases with the salient properties of an uncontrolled cell cycle, metastasis, and evasion of the immune response, mainly driven by the genomic instability of somatic cells and the physicochemical environment. Long noncoding RNAs (lncRNAs) are defined as noncoding RNAs with a length of more than 200 nucleotides. LncRNA dysregulation participates in diverse disease types and is tightly associated with patient clinical features, such as age, disease stage, and prognosis. In addition, an increasing number of lncRNAs have been confirmed to regulate a series of biological and pathological processes through numerous mechanisms. The lncRNA epidermal growth factor receptor antisense RNA 1 (EGFR-AS1) was recently discovered to be aberrantly expressed in many types of diseases, particularly in cancers. A high level of EGFR-AS1 was demonstrated to correlate with multiple patient clinical characteristics. More importantly, EGFR-AS1 was found to be involved in the mediation of various cellular activities, including cell proliferation, invasion, migration, chemosensitivity, and stemness. Therefore, EGFR-AS1 is a promising marker for cancer management. In this review, we introduce the expression profile, molecular mechanisms, biological functions, and clinical value of EGFR-AS1 in cancers.
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Affiliation(s)
- Danhua Zhu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoxi Ouyang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanhong Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaopeng Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Kunkai Su
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Berg HE, Peterson JF, Lee HE, McPhail ED. Large B-cell lymphoma with IRF4 gene rearrangements: Differences in clinicopathologic, immunophenotypic and cytogenetic features between pediatric and adult patients. Hum Pathol 2023; 131:108-115. [PMID: 36470475 DOI: 10.1016/j.humpath.2022.10.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/20/2022] [Accepted: 10/28/2022] [Indexed: 12/12/2022]
Abstract
Large B-cell lymphoma (LBL) with interferon regulatory factor 4 (IRF4) rearrangement (LBL-IRF4), a provisional entity in the 2017 WHO classification, primarily arises in children and young adults and has a favorable prognosis. However, few studies have addressed the clinicopathologic and cytogenetic features of older adults with IRF4-rearranged B-cell lymphomas. From a database of all internal and external cases (08/01/2015 to 12/01/2020) on which interphase fluorescence in situ hybridization was performed at the Mayo Clinic, we identified 43 patients with B-cell lymphoma and IRF4 rearrangements. Consistent features included large cell morphology, expression of CD20, BCL6, and MUM1, and absence of MYC-R. All pediatric cases (n = 12) arose in Waldeyer's ring (WR), cervical lymph node (CLN), or bowel, and lacked BCL6-R and BCL2-R, and all but one showed classic morphology. Adults with WR, CLN, or bowel involvement (n = 22) were younger (median 32 years). Their lymphomas resembled pediatric cases morphologically and lacked BCL2-R, although 30% harbored BCL6-R (P = 0.043). Lymphomas that involved other anatomic sites (n = 9) arose in older adults (median 68 years; P = 0.002) and often showed atypical morphology (P < 0.001). All lacked BCL6-R and 2 of 4 harbored BCL2-R (P < 0.001). LBL-IRF4 - arising in WR, CLN, or bowel may represent a distinct clinicopathologic entity characterized by pediatric/younger adult age, classic morphology, and lack of BCL2-R. In contrast, B-cell lymphomas with IRF4-R that arise in other sites usually involve older adults, are often morphologically atypical and/or harbor BCL2-R, and may be more akin to diffuse LBL, not otherwise specified.
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Affiliation(s)
- Holly E Berg
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Jess F Peterson
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Hee Eun Lee
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Ellen D McPhail
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA.
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Falini B, Martino G, Lazzi S. A comparison of the International Consensus and 5th World Health Organization classifications of mature B-cell lymphomas. Leukemia 2023; 37:18-34. [PMID: 36460764 PMCID: PMC9883170 DOI: 10.1038/s41375-022-01764-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 12/03/2022]
Abstract
Several editions of the World Health Organization (WHO) classifications of lympho-hemopoietic neoplasms in 2001, 2008 and 2017 served as the international standard for diagnosis. Since the 4th WHO edition, here referred as WHO-HAEM4, significant clinico-pathological, immunophenotypic and molecular advances have been made in the field of lymphomas, contributing to refining diagnostic criteria of several diseases, to upgrade entities previously defined as provisional and to identify new entities. This process has resulted in two recent classifying proposals of lymphoid neoplasms, the International Consensus Classification (ICC) and the 5th edition of the WHO classification (WHO-HAEM5). In this paper, we review and compare the two classifications in terms of diagnostic criteria and entity definition, with focus on mature B-cell neoplasms. The main aim is to provide a tool to facilitate the work of pathologists, hematologists and researchers involved in the diagnosis and treatment of lymphomas.
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Affiliation(s)
- Brunangelo Falini
- Institute of Hematology and CREO, University of Perugia, Perugia, Italy.
| | - Giovanni Martino
- Institute of Hematology and CREO, University of Perugia, Perugia, Italy
| | - Stefano Lazzi
- Institute of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
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Panda D, Das N, Thakral D, Gupta R. Genomic landscape of mature B-cell non-Hodgkin lymphomas - an appraisal from lymphomagenesis to drug resistance. J Egypt Natl Canc Inst 2022; 34:52. [PMID: 36504392 DOI: 10.1186/s43046-022-00154-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 09/27/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Mature B-cell non-Hodgkin lymphomas are one of the most common hematological malignancies with a divergent clinical presentation, phenotype, and course of disease regulated by underlying genetic mechanism. MAIN BODY Genetic and molecular alterations are not only critical for lymphomagenesis but also largely responsible for differing therapeutic response in these neoplasms. In recent years, advanced molecular tools have provided a deeper understanding regarding these oncogenic drives for predicting progression as well as refractory behavior in these diseases. The prognostic models based on gene expression profiling have also been proved effective in various clinical scenarios. However, considerable overlap does exist between the genotypes of individual lymphomas and at the same time where additional molecular lesions may be associated with each entity apart from the key genetic event. Therefore, genomics is one of the cornerstones in the multimodality approach essential for classification and risk stratification of B-cell non-Hodgkin lymphomas. CONCLUSION We hereby in this review discuss the wide range of genetic aberrancies associated with tumorigenesis, immune escape, and chemoresistance in major B-cell non-Hodgkin lymphomas.
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Affiliation(s)
- Devasis Panda
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India
| | - Nupur Das
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India
| | - Deepshi Thakral
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India
| | - Ritu Gupta
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India.
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Maffei R, Fiorcari S, Atene CG, Martinelli S, Mesini N, Pilato F, Lagreca I, Barozzi P, Riva G, Nasillo V, Paolini A, Forghieri F, Potenza L, Trenti T, Tagliafico E, Luppi M, Marasca R. The dynamic functions of IRF4 in B cell malignancies. Clin Exp Med 2022:10.1007/s10238-022-00968-0. [PMID: 36495369 PMCID: PMC10390622 DOI: 10.1007/s10238-022-00968-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
AbstractThe trajectory of B cell development goes through subsequent steps governed by complex genetic programs, strictly regulated by multiple transcription factors. Interferon regulatory factor 4 (IRF4) regulates key points from pre-B cell development and receptor editing to germinal center formation, class-switch recombination and plasma cell differentiation. The pleiotropic ability of IRF4 is mediated by its “kinetic control”, allowing different IRF4 expression levels to activate distinct genetic programs due to modulation of IRF4 DNA-binding affinity. IRF4 is implicated in B cell malignancies, acting both as tumor suppressor and as tumor oncogene in different types of precursors and mature B cell neoplasia. Here, we summarize the complexity of IRF4 functions related to different DNA-binding affinity, multiple IRF4-specific target DNA motif, and interactions with transcriptional partners. Moreover, we describe the unique role of IRF4 in acute leukemias and B cell mature neoplasia, focusing on pathogenetic implications and possible therapeutic strategies in multiple myeloma and chronic lymphocytic leukemia.
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de Leval L, Alizadeh AA, Bergsagel PL, Campo E, Davies A, Dogan A, Fitzgibbon J, Horwitz SM, Melnick AM, Morice WG, Morin RD, Nadel B, Pileri SA, Rosenquist R, Rossi D, Salaverria I, Steidl C, Treon SP, Zelenetz AD, Advani RH, Allen CE, Ansell SM, Chan WC, Cook JR, Cook LB, d’Amore F, Dirnhofer S, Dreyling M, Dunleavy K, Feldman AL, Fend F, Gaulard P, Ghia P, Gribben JG, Hermine O, Hodson DJ, Hsi ED, Inghirami G, Jaffe ES, Karube K, Kataoka K, Klapper W, Kim WS, King RL, Ko YH, LaCasce AS, Lenz G, Martin-Subero JI, Piris MA, Pittaluga S, Pasqualucci L, Quintanilla-Martinez L, Rodig SJ, Rosenwald A, Salles GA, San-Miguel J, Savage KJ, Sehn LH, Semenzato G, Staudt LM, Swerdlow SH, Tam CS, Trotman J, Vose JM, Weigert O, Wilson WH, Winter JN, Wu CJ, Zinzani PL, Zucca E, Bagg A, Scott DW. Genomic profiling for clinical decision making in lymphoid neoplasms. Blood 2022; 140:2193-2227. [PMID: 36001803 PMCID: PMC9837456 DOI: 10.1182/blood.2022015854] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 08/15/2022] [Indexed: 01/28/2023] Open
Abstract
With the introduction of large-scale molecular profiling methods and high-throughput sequencing technologies, the genomic features of most lymphoid neoplasms have been characterized at an unprecedented scale. Although the principles for the classification and diagnosis of these disorders, founded on a multidimensional definition of disease entities, have been consolidated over the past 25 years, novel genomic data have markedly enhanced our understanding of lymphomagenesis and enriched the description of disease entities at the molecular level. Yet, the current diagnosis of lymphoid tumors is largely based on morphological assessment and immunophenotyping, with only few entities being defined by genomic criteria. This paper, which accompanies the International Consensus Classification of mature lymphoid neoplasms, will address how established assays and newly developed technologies for molecular testing already complement clinical diagnoses and provide a novel lens on disease classification. More specifically, their contributions to diagnosis refinement, risk stratification, and therapy prediction will be considered for the main categories of lymphoid neoplasms. The potential of whole-genome sequencing, circulating tumor DNA analyses, single-cell analyses, and epigenetic profiling will be discussed because these will likely become important future tools for implementing precision medicine approaches in clinical decision making for patients with lymphoid malignancies.
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Affiliation(s)
- Laurence de Leval
- Institute of Pathology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Ash A. Alizadeh
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA
- Stanford Cancer Institute, Stanford University, Stanford, CA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA
- Division of Hematology, Department of Medicine, Stanford University, Stanford, CA
| | - P. Leif Bergsagel
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Phoenix, AZ
| | - Elias Campo
- Haematopathology Section, Hospital Clínic, Institut d'Investigaciones Biomèdiques August Pi I Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Andrew Davies
- Centre for Cancer Immunology, University of Southampton, Southampton, United Kingdom
| | - Ahmet Dogan
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jude Fitzgibbon
- Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Steven M. Horwitz
- Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ari M. Melnick
- Department of Medicine, Weill Cornell Medicine, New York, NY
| | - William G. Morice
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Ryan D. Morin
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
- Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada
| | - Bertrand Nadel
- Aix Marseille University, CNRS, INSERM, CIML, Marseille, France
| | - Stefano A. Pileri
- Haematopathology Division, IRCCS, Istituto Europeo di Oncologia, IEO, Milan, Italy
| | - Richard Rosenquist
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Clinical Genetics, Karolinska University Laboratory, Karolinska University Hospital, Solna, Sweden
| | - Davide Rossi
- Institute of Oncology Research and Oncology Institute of Southern Switzerland, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, Switzerland
| | - Itziar Salaverria
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Christian Steidl
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
| | | | - Andrew D. Zelenetz
- Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medicine, New York, NY
| | - Ranjana H. Advani
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA
| | - Carl E. Allen
- Division of Pediatric Hematology-Oncology, Baylor College of Medicine, Houston, TX
| | | | - Wing C. Chan
- Department of Pathology, City of Hope National Medical Center, Duarte, CA
| | - James R. Cook
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Lucy B. Cook
- Centre for Haematology, Imperial College London, London, United Kingdom
| | - Francesco d’Amore
- Department of Hematology, Aarhus University Hospital, Aarhus, Denmark
| | - Stefan Dirnhofer
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | | | - Kieron Dunleavy
- Division of Hematology and Oncology, Georgetown Lombardi Comprehensive Cancer Centre, Georgetown University Hospital, Washington, DC
| | - Andrew L. Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Falko Fend
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Philippe Gaulard
- Department of Pathology, University Hospital Henri Mondor, AP-HP, Créteil, France
- Faculty of Medicine, IMRB, INSERM U955, University of Paris-Est Créteil, Créteil, France
| | - Paolo Ghia
- Università Vita-Salute San Raffaele and IRCCS Ospedale San Raffaele, Milan, Italy
| | - John G. Gribben
- Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Olivier Hermine
- Service D’hématologie, Hôpital Universitaire Necker, Université René Descartes, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Daniel J. Hodson
- Wellcome MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, University of Cambridge, Cambridge, United Kingdom
| | - Eric D. Hsi
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC
| | - Giorgio Inghirami
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY
| | - Elaine S. Jaffe
- Hematopathology Section, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Kennosuke Karube
- Department of Pathology and Laboratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Keisuke Kataoka
- Division of Molecular Oncology, National Cancer Center Research Institute, Toyko, Japan
- Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Wolfram Klapper
- Hematopathology Section and Lymph Node Registry, Department of Pathology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Won Seog Kim
- Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, South Korea
| | - Rebecca L. King
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Young H. Ko
- Department of Pathology, Cheju Halla General Hospital, Jeju, Korea
| | | | - Georg Lenz
- Department of Medicine A, Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - José I. Martin-Subero
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Miguel A. Piris
- Department of Pathology, Jiménez Díaz Foundation University Hospital, CIBERONC, Madrid, Spain
| | - Stefania Pittaluga
- Hematopathology Section, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Laura Pasqualucci
- Institute for Cancer Genetics, Columbia University, New York, NY
- Department of Pathology & Cell Biology, Columbia University, New York, NY
- The Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Scott J. Rodig
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
| | | | - Gilles A. Salles
- Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jesus San-Miguel
- Clínica Universidad de Navarra, Navarra, Cancer Center of University of Navarra, Cima Universidad de NavarraI, Instituto de Investigacion Sanitaria de Navarra, Centro de Investigación Biomédica en Red de Céncer, Pamplona, Spain
| | - Kerry J. Savage
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
| | - Laurie H. Sehn
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
| | - Gianpietro Semenzato
- Department of Medicine, University of Padua and Veneto Institute of Molecular Medicine, Padova, Italy
| | - Louis M. Staudt
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Steven H. Swerdlow
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | | | - Judith Trotman
- Haematology Department, Concord Repatriation General Hospital, Sydney, Australia
| | - Julie M. Vose
- Department of Internal Medicine, Division of Hematology-Oncology, University of Nebraska Medical Center, Omaha, NE
| | - Oliver Weigert
- Department of Medicine III, LMU Hospital, Munich, Germany
| | - Wyndham H. Wilson
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Jane N. Winter
- Feinberg School of Medicine, Northwestern University, Chicago, IL
| | | | - Pier L. Zinzani
- IRCCS Azienda Ospedaliero-Universitaria di Bologna Istitudo di Ematologia “Seràgnoli” and Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale Università di Bologna, Bologna, Italy
| | - Emanuele Zucca
- Institute of Oncology Research and Oncology Institute of Southern Switzerland, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, Switzerland
| | - Adam Bagg
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - David W. Scott
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
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