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Khanna A, Drumheller BR, Deeb G, Tolbert EW, Asakrah S. Plasmablastic transformation of chronic lymphocytic leukemia: a review of literature and report on 2 cases. Lab Med 2023; 54:e177-e185. [PMID: 37449962 DOI: 10.1093/labmed/lmad060] [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: 07/18/2023] Open
Abstract
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is the most common leukemia in adults in Western countries. Transformation of CLL/SLL to plasmablastic lymphoma (PBL) is exceedingly rare and often has an extremely poor response to treatment. A thorough molecular workup may help in determining clonality-relatedness and prognosis. We describe two cases of CLL/SLL that transformed into PBL, with an extensive molecular workup in one case, and a review of the literature.
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Affiliation(s)
- Anurag Khanna
- Emory University School of Medicine, Department of Pathology and Laboratory Medicine, Atlanta, GA, US
| | - Bradley R Drumheller
- Emory University School of Medicine, Department of Pathology and Laboratory Medicine, Atlanta, GA, US
| | - George Deeb
- Emory University School of Medicine, Department of Pathology and Laboratory Medicine, Atlanta, GA, US
| | | | - Saja Asakrah
- Emory University School of Medicine, Department of Pathology and Laboratory Medicine, Atlanta, GA, US
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2
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Dotlic S, Gibson SE, Hartmann S, Hsi ED, Klimkowska M, Rodriguez-Pinilla SM, Sabattini E, Tousseyn TA, de Jong D, Dojcinov S. Lymphomas with plasmablastic features: a report of the lymphoma workshop of the 20th meeting of the European Association for Haematopathology. Virchows Arch 2023; 483:591-609. [PMID: 37561194 DOI: 10.1007/s00428-023-03585-8] [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: 03/20/2023] [Revised: 06/16/2023] [Accepted: 06/22/2023] [Indexed: 08/11/2023]
Abstract
Lymphomas with plasmablastic features are a heterogeneous group of aggressive and mostly uncommon neoplasms of varied aetiologies, presenting in immunocompetent individuals as well as in immunodeficiency, associated with EBV and Kaposi sarcoma virus infections, and some as progression from indolent B-cell lymphomas. They show overlapping diagnostic features and pose a differential diagnosis with other aggressive B-cell lymphomas that can downregulate the B-cell expression programme. The spectrum of rare reactive proliferations and all lymphomas defined by plasmablastic features, together with an expanding range of poorly characterised, uncommon conditions at the interface between reactive lymphoid proliferations and neoplasia submitted to the session V of the 20th European Association for Haematopathology/Society for Hematopathology lymphoma workshop are summarised and discussed in this paper.
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Affiliation(s)
- Snjezana Dotlic
- Department of Pathology and Cytology, University Hospital Centre Zagreb, University of Zagreb Medical School, 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
| | - Eric D Hsi
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, USA
| | - Monika Klimkowska
- Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | | | - Elena Sabattini
- Haematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Thomas A Tousseyn
- Department of Imaging and Pathology and Translational Cell and Tissue Research Laboratory, Louvain, Belgium
| | - Daphne de Jong
- Department of Pathology, Amsterdam UMC, Location VUMC, Amsterdam, The Netherlands
| | - Stefan Dojcinov
- Department of Pathology, Morriston Hospital, Swansea Bay University Health Board/Swansea University, Swansea, UK.
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3
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Abrisqueta P, Nadeu F, Bosch-Schips J, Iacoboni G, Serna A, Cabirta A, Yáñez L, Quintanilla-Martínez L, Bosch F. From genetics to therapy: Unraveling the complexities of Richter transformation in chronic lymphocytic leukemia. Cancer Treat Rev 2023; 120:102619. [PMID: 37660626 DOI: 10.1016/j.ctrv.2023.102619] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023]
Abstract
Richter transformation (RT) refers to the progression of chronic lymphocytic leukemia, the most prevalent leukemia among adults, into a highly aggressive lymphoproliferative disorder, primarily a diffuse large B-cell lymphoma. This is a severe complication that continues to be a therapeutic challenge and remains an unmet medical need. Over the last five years, significant advances have occurred in uncovering the biological processes leading to the RT, refining criteria for properly diagnose RT from other entities, and exploring new therapeutic options beyond the ineffective chemotherapy. This review summarizes current knowledge in RT, including recent advances in the understanding of the pathogenesis of RT, in the classification of RT, and in the development of novel therapeutic strategies for this grave complication.
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Affiliation(s)
- Pau Abrisqueta
- Department of Hematology, Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Ferran Nadeu
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Jan Bosch-Schips
- Department of Pathology, Hospital Universitari de Bellvitge-Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, 08907 Barcelona, Spain
| | - Gloria Iacoboni
- Department of Hematology, Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Angel Serna
- Department of Hematology, Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Alba Cabirta
- Department of Hematology, Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Lucrecia Yáñez
- Department of Hematology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Leticia Quintanilla-Martínez
- Institute of Pathology and Neuropathology, Tübingen University Hospital and Comprehensive Cancer Center Tübingen-Stuttgart, 72076 Tübingen, Germany
| | - Francesc Bosch
- Department of Hematology, Vall d'Hebron Hospital Universitari, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
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4
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Ramsey MC, Sabatini PJB, Smith AC, Sakhdari A. Molecular characterization and clonal evolution in Richter transformation: Insights from a case of plasmablastic lymphoma (RT-PBL) arising from chronic lymphocytic leukaemia (CLL) and review of the literature. EJHAEM 2023; 4:1203-1207. [PMID: 38024595 PMCID: PMC10660098 DOI: 10.1002/jha2.771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 12/01/2023]
Affiliation(s)
- Megan C. Ramsey
- Laboratory Medicine ProgramToronto General HospitalUniversity Health NetworkTorontoOntarioCanada
| | - Peter J. B. Sabatini
- Laboratory Medicine ProgramToronto General HospitalUniversity Health NetworkTorontoOntarioCanada
- Department of Laboratory Medicine and PathobiologyTemerty Faculty of MedicineUniversity of TorontoTorontoOntarioCanada
| | - Adam C. Smith
- Laboratory Medicine ProgramToronto General HospitalUniversity Health NetworkTorontoOntarioCanada
- Department of Laboratory Medicine and PathobiologyTemerty Faculty of MedicineUniversity of TorontoTorontoOntarioCanada
| | - Ali Sakhdari
- Laboratory Medicine ProgramToronto General HospitalUniversity Health NetworkTorontoOntarioCanada
- Department of Laboratory Medicine and PathobiologyTemerty Faculty of MedicineUniversity of TorontoTorontoOntarioCanada
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Czader M, Amador C, Cook JR, Thakkar D, Parker C, Dave SS, Dogan A, Duffield AS, Nejati R, Ott G, Xiao W, Wasik M, Goodlad JR. Progression and transformation of chronic lymphocytic leukemia/small lymphocytic lymphoma and B-cell prolymphocytic leukemia: Report from the 2021 SH/EAHP Workshop. Am J Clin Pathol 2023; 159:554-571. [PMID: 37052539 PMCID: PMC10233402 DOI: 10.1093/ajcp/aqad027] [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: 11/29/2022] [Accepted: 03/03/2023] [Indexed: 04/14/2023] Open
Abstract
OBJECTIVES Session 3 of the 2021 Workshop of the Society for Hematopathology/European Association for Haematopathology examined progression and transformation of chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) and B-cell prolymphocytic leukemia (B-PLL). METHODS Thirty-one cases were reviewed by the panel. Additional studies such as immunohistochemistry and molecular genetic testing, including whole-exome sequencing and expression profiling, were performed in select cases. RESULTS Session 3 included 27 CLL/SLL cases and miscellaneous associated proliferations, 3 cases of B-PLL, and 1 case of small B-cell lymphoma. The criteria for -accelerated CLL/SLL are established for lymph nodes, but extranodal disease can be diagnostically challenging. Richter transformation (RT) is a broad term and includes true transformation from original CLL/SLL clone(s) and clonally unrelated neoplasms. The morphologic, immunophenotypic, and genetic spectrum is diverse with classical and highly unusual examples. T-cell proliferations can also be encountered in CLL/SLL. B-cell prolymphocytic leukemia is a rare, diagnostically challenging disease due to its overlaps with other lymphoid neoplasms. CONCLUSIONS The workshop highlighted complexity of progression and transformation in CLL/SLL and B-PLL, as well as diagnostic caveats accompanying heterogeneous presentations of RT and other manifestations of disease progression. Molecular genetic studies are pivotal for diagnosis and determination of clonal relationship, and to predict response to treatment and identify resistance to targeted therapy.
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MESH Headings
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Leukemia, Prolymphocytic, B-Cell
- Lymphoma, B-Cell
- Cell Transformation, Neoplastic/genetics
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Affiliation(s)
- Magdalena Czader
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, US
| | - Catalina Amador
- Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Miami, FL, US
| | - James R Cook
- Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, US
| | - Devang Thakkar
- Department of Medicine, Duke University School of Medicine, Durham, NC, US
| | | | - Sandeep S Dave
- Department of Medicine, Duke University School of Medicine, Durham, NC, US
| | - Ahmet Dogan
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, US
| | - Amy S Duffield
- Department of Pathology and Laboratory Medicine, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, US
| | - Reza Nejati
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA, US
| | - German Ott
- Department of Clinical Pathology, Robert-Bosch-Krankenhaus, and Dr. Margarete Fischer-Bosch Institute for Clinical Pharmacology, Stuttgart, Germany
| | - Wenbin Xiao
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, US
| | - Mariusz Wasik
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA, US
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Mori H, Fukatsu M, Ohkawara H, Oka Y, Kataoka Y, Taito S, Ikezoe T. Heterogeneity in the diagnosis of plasmablastic lymphoma, plasmablastic myeloma, and plasmablastic neoplasm: a scoping review. Int J Hematol 2021; 114:639-652. [PMID: 34462886 DOI: 10.1007/s12185-021-03211-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 08/20/2021] [Accepted: 08/24/2021] [Indexed: 12/19/2022]
Abstract
The diagnosis of plasmablastic lymphoma (PBL), plasmablastic myeloma (PBM), and plasmablastic neoplasm (PBN) may be arbitrary in some cases because these entities can be indistinct. We conducted this scoping review to investigate heterogeneity in diagnostic criteria used in previous studies and validate the diagnostic results of previous diagnostic algorithms and the algorithm we developed, which also includes diagnosis of PBN. Using the PRISMA Extension for Scoping Reviews, we analyzed literature published between September 2017 and April 2020. We identified a total of 163 cases (128 PBL, 32 PBM, and 3 PBN) from 77 case reports and 8 case series. We found that diagnostic criteria in the literature varied for PBL but were consistent for PBM. Our algorithm was the first attempt to include PBN in a complete structure. The results of the three diagnostic algorithms varied significantly. Hematologists and pathologists should pay more attention to the differential diagnosis of PBL, PBM, and PBN.
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Affiliation(s)
- Hirotaka Mori
- Department of Hematology, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 9601295, Japan.
| | - Masahiko Fukatsu
- Department of Hematology, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 9601295, Japan
| | - Hiroshi Ohkawara
- Department of Hematology, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 9601295, Japan
| | - Yuka Oka
- Department of Diagnostic Pathology, Fukushima Medical University, Fukushima, Japan
| | - Yuki Kataoka
- Hospital Care Research Unit, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan.,Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan.,Department of Respiratory Medicine, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Shunsuke Taito
- Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan.,Division of Rehabilitation, Department of Clinical Practice and Support, Hiroshima University Hospital, Hiroshima, Japan
| | - Takayuki Ikezoe
- Department of Hematology, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 9601295, Japan
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7
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Gángó A, Kiss R, Farkas P, Hanna E, Demeter J, Deák B, Lévai D, Kotmayer L, Alpár D, Matolcsy A, Bödör C, Mátrai Z, Timár B. Morphologic and molecular analysis of Richter syndrome in chronic lymphocytic leukaemia patients treated with ibrutinib or venetoclax. Pathology 2021; 54:95-103. [PMID: 34332791 DOI: 10.1016/j.pathol.2021.04.008] [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: 12/04/2020] [Revised: 04/14/2021] [Accepted: 04/18/2021] [Indexed: 11/18/2022]
Abstract
Richter syndrome (RS) represents the development of high-grade lymphoma in patients with chronic lymphocytic leukaemia (CLL) or small lymphocytic lymphoma (SLL) and presents a diagnostic and therapeutic challenge with an adverse prognosis. The genetic background and morphology of RS in CLL patients treated with chemoimmunotherapy is extensively characterised; however, our knowledge about RS in patients treated with targeted oral therapies should be extended. To understand the morphologic and molecular changes leading to RS in CLL patients treated with the Bruton's tyrosine kinase inhibitor, ibrutinib, and the BCL2 inhibitor, venetoclax, sequential samples from six CLL/SLL patients undergoing RS were collected in both the CLL and RS phases. A detailed immunophenotypic analysis of formalin-fixed, paraffin-embedded tissue specimens of RS phase was performed, followed by extensive molecular characterisation of CLL and RS samples, including the immunoglobulin heavy chain gene (IGH) rearrangement, TP53 mutations, drug-induced resistance mutations in BTK and BCL2 genes and various copy number changes and point mutations detectable with multiplex ligation-dependent probe amplification (MLPA). Rare, non-diffuse large B-cell lymphoma phenotypes of RS were observed in 3/6 cases, including plasmablastic lymphoma and a transitory entity between diffuse large B-cell lymphoma and classical Hodgkin lymphoma. The majority of cases were clonally related and harboured an unmutated variable region of the immunoglobulin heavy chain gene. Abnormalities affecting the TP53 gene occurred in all patients, and every patient carried at least one genetic abnormality conferring susceptibility to RS. In the background of RS, 2/5 patients treated with ibrutinib showed a BTK C481S resistance mutation. One patient developed a BCL2 G101V mutation leading to venetoclax resistance and RS. In conclusion, our findings contribute to better understanding of RS pathogenesis in the era of targeted oral therapies. Rare phenotypic variants of RS do occur under the treatment of ibrutinib or venetoclax, and genetic factors leading to RS are similar to those identified in patients treated with chemoimmunotherapy. To our best knowledge, we have reported the first BCL2 G101V mutation in an RS patient treated with venetoclax.
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MESH Headings
- Adenine/adverse effects
- Adenine/analogs & derivatives
- Adenine/therapeutic use
- Adult
- Aged
- Antineoplastic Agents/adverse effects
- Antineoplastic Agents/therapeutic use
- Bridged Bicyclo Compounds, Heterocyclic/adverse effects
- Bridged Bicyclo Compounds, Heterocyclic/therapeutic use
- Female
- Genes, p53
- Hodgkin Disease/diagnosis
- Hodgkin Disease/etiology
- Hodgkin Disease/genetics
- Hodgkin Disease/pathology
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Lymphoma/diagnosis
- Lymphoma/etiology
- Lymphoma/genetics
- Lymphoma/pathology
- Lymphoma, Large B-Cell, Diffuse/diagnosis
- Lymphoma, Large B-Cell, Diffuse/etiology
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/pathology
- Male
- Middle Aged
- Mutation
- Piperidines/adverse effects
- Piperidines/therapeutic use
- Prognosis
- Proto-Oncogene Proteins c-bcl-2/genetics
- Risk Factors
- Sulfonamides/adverse effects
- Sulfonamides/therapeutic use
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Affiliation(s)
- Ambrus Gángó
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Richárd Kiss
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Péter Farkas
- Department of Internal Medicine and Haematology, Semmelweis University, Budapest, Hungary
| | - Eid Hanna
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Judit Demeter
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Beáta Deák
- National Institute of Oncology, Budapest, Hungary
| | - Dóra Lévai
- National Institute of Oncology, Budapest, Hungary
| | - Lili Kotmayer
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Donát Alpár
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - András Matolcsy
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary; Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Csaba Bödör
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Zoltán Mátrai
- Central Hospital of Southern Pest, National Institute for Haematology and Infectology, Budapest, Hungary
| | - Botond Timár
- HCEMM-SE Molecular Oncohematology Research Group, Budapest, Hungary; 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary.
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Figuero-Pérez L, Olivares-Hernández A, Navalón-Jiménez M, Montero-Mateos E, Fonseca-Sánchez E. Ileal plasmablastic lymphoma presenting as intestinal occlusion in HIV-negative patient with chronic lymphocytic leukemia. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2021; 114:242-243. [DOI: 10.17235/reed.2021.8511/2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Obiorah IE, Francischetti IMB, Wang HW, Ahn IE, Wang W, Raffeld M, Kreitman RJ, Wiestner A, Calvo KR. Concurrent chronic lymphocytic leukemia/small lymphocytic lymphoma and hairy cell leukemia: clinical, pathologic and molecular features. Leuk Lymphoma 2020; 61:3177-3187. [PMID: 32755330 DOI: 10.1080/10428194.2020.1797007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Simultaneous occurrence of hairy cell leukemia (HCL) and chronic lymphocytic leukemia/small lymphocytic lymphoma (termed CLL) is very rare. Clinical characteristics, pathology and management of these cases have not been well described. We present six patients with CLL and HCL or HCL variant (HCL-v). Of six patients, three were initially diagnosed with CLL and later developed concurrent HCL. Two patients had concurrent HCL or HCL-v and CLL at initial diagnosis. One had HCL first, followed by concurrent CLL. Polymerase chain reaction analysis demonstrated B-cell clonality in all cases, with two distinct clonal populations in four cases, and three clonal populations in one case. Five patients were treated with a combination of a purine analog such as fludarabine, cladribine, and pentostastin with either rituximab or ibrutinib, while one received dabrefenib and trametinib. All patients achieved a durable response to either CLL or HCL-directed therapy with reduction or ablation of coexisting B-cell clones.
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Affiliation(s)
- Ifeyinwa Emmanuela Obiorah
- Hematopathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA.,Hematology Section, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Ivo M B Francischetti
- Hematopathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA.,Hematology Section, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Hao-Wei Wang
- Hematopathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA.,Flow Cytometry Unit, Laboratory of Pathology, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Inhye E Ahn
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD, USA
| | - Weixin Wang
- Hematology Section, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Mark Raffeld
- Hematopathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | | | - Adrian Wiestner
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD, USA
| | - Katherine R Calvo
- Hematology Section, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, USA
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