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Shumilov E, Mazzeo P, Ghandili S, Künstner A, Weidemann S, Banz Y, Ströbel P, Pollak M, Kolloch L, Beltraminelli H, Kerkhoff A, Mikesch JH, Schliemann C, Haase D, Wulf G, Legros M, Lenz G, Feldmeyer L, Pabst T, Witte H, Gebauer N, Bacher U. Diagnostic management of blastic plasmacytoid dendritic cell neoplasm (BPDCN) in close interaction with therapeutic considerations. Ann Hematol 2024; 103:1587-1599. [PMID: 38194088 PMCID: PMC11009756 DOI: 10.1007/s00277-023-05587-7] [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: 09/22/2023] [Accepted: 12/12/2023] [Indexed: 01/10/2024]
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN), a rare malignancy derived from plasmacytoid dendritic cells, can mimic both acute leukemia and aggressive T-cell lymphoma. Therapy of this highly aggressive hematological disease should be initiated as soon as possible, especially in light of novel targeted therapies that have become available. However, differential diagnosis of BPDCN remains challenging. This retrospective study aimed to highlight the challenges to timely diagnoses of BPDCN. We documented the diagnostic and clinical features of 43 BPDCN patients diagnosed at five academic hospitals from 2001-2022. The frequency of BPDCN diagnosis compared to AML was 1:197 cases. The median interval from the first documented clinical manifestation to diagnosis of BPDCN was 3 months. Skin (65%) followed by bone marrow (51%) and blood (45%) involvement represented the most common sites. Immunophenotyping revealed CD4 + , CD45 + , CD56 + , CD123 + , HLA-DR + , and TCL-1 + as the most common surface markers. Overall, 86% (e.g. CD33) and 83% (e.g., CD7) showed co-expression of myeloid and T-cell markers, respectively. In the median, we detected five genomic alterations per case including mutational subtypes typically involved in AML: DNA methylation (70%), signal transduction (46%), splicing factors (38%), chromatin modification (32%), transcription factors (32%), and RAS pathway (30%), respectively. The contribution of patients (30%) proceeding to any form of upfront stem cell transplantation (SCT; autologous or allogeneic) was almost equal resulting in beneficial overall survival rates in those undergoing allogeneic SCT (p = 0.0001). BPDCN is a rare and challenging entity sharing various typical characteristics of other hematological diseases. Comprehensive diagnostics should be initiated timely to ensure appropriate treatment strategies.
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Affiliation(s)
- Evgenii Shumilov
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Paolo Mazzeo
- Clinics of Hematology and Medical Oncology, INDIGHO Laboratory, University Medical Center Goettingen (UMG), Goettingen, Germany
| | - Susanne Ghandili
- Department of Oncology, Hematology and Bone Marrow Transplantation With Section Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Axel Künstner
- Medical Systems Biology Group, Luebeck Institute of Experimental Dermatology, University of Luebeck, Luebeck, Germany
| | - Sören Weidemann
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Yara Banz
- Institute of Pathology, University of Bern, Bern, Switzerland
| | - Philipp Ströbel
- Institute of Pathology, University Medical Center Goettingen, Goettingen, Germany
| | - Matthias Pollak
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Lina Kolloch
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Helmut Beltraminelli
- Dermatopathology Department, Ente Ospedaliero Cantonale (EOC), Locarno, Switzerland
| | - Andrea Kerkhoff
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Jan-Henrik Mikesch
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Christoph Schliemann
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Detlef Haase
- Clinics of Hematology and Medical Oncology, INDIGHO Laboratory, University Medical Center Goettingen (UMG), Goettingen, Germany
| | - Gerald Wulf
- Department of Hematology and Medical Oncology, University Medical Center Goettingen (UMG), Goettingen, Germany
| | - Myriam Legros
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Georg Lenz
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Laurence Feldmeyer
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Thomas Pabst
- Department of Medical Oncology, Bern University Hospital, University of Bern, InselspitalBern, Switzerland
| | - Hanno Witte
- Department for Hematology and Oncology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
- Department for Hematology and Oncology, Bundeswehrkrankenhaus Ulm, Ulm, Germany
| | - Niklas Gebauer
- Department for Hematology and Oncology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Ulrike Bacher
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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Faustmann P, Schroeder JC, Mix L, Harland L, Riedel A, Vogel W, Lengerke C, Wirths S. Real-world evidence on tagraxofusp for blastic plasmacytoid dendritic cell neoplasm - collected cases from a single center and case reports. Front Oncol 2024; 14:1384172. [PMID: 38665943 PMCID: PMC11043520 DOI: 10.3389/fonc.2024.1384172] [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: 02/08/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Introduction Blastic plasmacytoid dendritic cell neoplasia (BPDCN) is a rare, aggressive hematologic malignancy. Until recently, the only curative treatment consisted of intensive chemotherapy, followed by hematopoietic cell transplantation (HCT) in eligible adult cases. Tagraxofusp, a CD123-targeted protein-drug conjugate and the first approved targeted treatment for BPDCN, might enhance outcomes especially in patients not eligible for intensive therapies. Methods Here, we report real-world outcomes of five male patients with a median age of 79 years who received tagraxofusp as first-line treatment for BPDCN. Results Tagraxofusp was found to be well-tolerated in this elderly cohort, with only one patient requiring discontinuation. Three patients responded to the treatment (two patients achieved a CR and one patient achieved a partial response), of which two subsequently underwent allogeneic (allo) HCT. One patient is alive and well after ≥ 4 years after alloHCT, and one patient shows sustained CR after now 13 cycles of tagraxofusp. The other three patients died of progressive disease 4-11 months after initiation of treatment. Discussion In line with results from 13 published cases outside clinical trials in the literature, sustained responses were associated with CR after tagraxofusp treatment and subsequent alloHCT. Our results provide real-world evidence for safety and efficacy of tagraxofusp as first-line treatment for BPDCN.
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Song J, Li W, Bai Y, Zhou P, Niu J, Niu X, Liu Y, Liu X, Drokow EK, Sun K, Zhou H. A blastic plasmacytoid dendritic cell neoplasm-like immunophenotype is negatively associated with CEBPA bZIP mutation and predicts unfavorable prognosis in acute myeloid leukemia. Ann Hematol 2024; 103:463-473. [PMID: 38183444 DOI: 10.1007/s00277-023-05594-8] [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: 09/10/2023] [Accepted: 12/17/2023] [Indexed: 01/08/2024]
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare and aggressive myeloid malignancy which characteristically expresses an atypical phenotype including CD123+, CD56+, and CD4+. We are aimed to investigate the clinical and prognostic characteristics of AML patients exhibiting BPDCN-like immunophenotype and provide additional insights for risk stratification of AML. A total of 241 newly diagnosed AML patients were enrolled in this retrospective study and categorized into BPDCN-like positive (n = 125)/negative (n = 116) groups, determined by the present with CD123+ along with either CD56+ or CD4+, or both. Subsequently, an analysis was conducted to examine the general clinical characteristics, genetic profiles, and prognosis of the two respective groups. Patients with BPDCN-like immunophenotype manifested higher frequencies of acute myelomonocytic leukemia and acute monoblastic leukemia. Surprisingly, the presence of the BPDCN-like immunophenotype exhibited an inverse relationship with CEBPA bZIP mutation. Notably, patients with BPDCN-like phenotype had both worse OS and EFS compared to those without BPDCN-like phenotype. In the CN-AML subgroups, the BPDCN-like phenotype was associated with worse EFS. Similarly, a statistically significant disparity was observed in both OS and EFS within the favorable-risk subgroup, while only OS was significant within the adverse-risk subgrouMoreover, patients possessing favorable-risk genetics without BPDCN-like phenotype had the longest survival, whereas those who had both adverse-risk genetics and BPDCN-like phenotype exhibited the worst survival. Our study indicated that BPDCN-like phenotype negatively associated with CEBPA bZIP mutation and revealed a significantly poor prognosis in AML. Moreover, the 2022 ELN classification, in combination with the BPDCN-like phenotype, may better distinguish between different risk groups.
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Affiliation(s)
- Juanjuan Song
- Department of Hematology, Affiliated Tumor Hospital of Zhengzhou University, Tumor Hospital of Henan Province, Institute of Hematology of Henan Province, No.127 Dongming Road, Jinshui District, Zhengzhou, 450000, Henan, People's Republic of China
| | - Weiya Li
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Yanliang Bai
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Pan Zhou
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Junwei Niu
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Xiaona Niu
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Ying Liu
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Xiaobo Liu
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Emmanuel Kwateng Drokow
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China
| | - Kai Sun
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People's Republic of China.
| | - Hu Zhou
- Department of Hematology, Affiliated Tumor Hospital of Zhengzhou University, Tumor Hospital of Henan Province, Institute of Hematology of Henan Province, No.127 Dongming Road, Jinshui District, Zhengzhou, 450000, Henan, People's Republic of China.
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El Hussein S, Wang W. Plasmacytoid dendritic cells in the setting of myeloid neoplasms: Diagnostic guide to challenging pathologic presentations. Br J Haematol 2023; 200:545-555. [PMID: 36606610 DOI: 10.1111/bjh.18632] [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: 09/20/2022] [Revised: 12/14/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023]
Abstract
In this article, we describe three broad pathologic presentations of plasmacytoid dendritic cells (pDCs) that may be encountered in clinical practice, in which an association between pDCs and myeloid neoplasms is identified: (1) myeloid neoplasms with mature pDC expansion, most commonly seen in chronic myelomonocytic leukaemia (CMML); (2) myeloid neoplasms with pDC differentiation, in which pDCs show a spectrum of maturation from early immature pDCs to mature forms, most commonly seen in acute myeloid leukaemia (AML); (3) myeloid neoplasms associated with blastic plasmacytoid dendritic cell neoplasm (BPDCN), either stemming from the same precursor or representing an independent clonal process. Additionally, we also discuss AML with pDC-like phenotype, in which myeloblasts show immunophenotypic features that may mimic those seen in pDCs. Using these presentations, we provide a diagnostic algorithm for appropriate pathologic classification, while attempting to clarify and homogenize nomenclatures pertaining to different biologic states of pDCs.
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Affiliation(s)
- Siba El Hussein
- Department of Pathology, University of Rochester Medical Center, Rochester, New York, USA
| | - Wei Wang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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El Hussein S, Yabe M, Wang W, Pemmaraju N, Loghavi S, Jelloul FZ, Fang H, Medeiros LJ, Burack WR, Evans AG, Liesveld JL, Bennett JM. Blastic plasmacytoid dendritic cell neoplasm (BPDCN) arising in the setting of polycythemia vera (PV): An illustration of the emerging role of flow cytometry analysis in monitoring progression of myeloproliferative neoplasms. EJHAEM 2022; 3:954-957. [PMID: 36051075 PMCID: PMC9421993 DOI: 10.1002/jha2.525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 11/24/2022]
Abstract
This report highlights the value of flow cytometry analysis, particularly in the setting of myeloproliferative neoplasms showing features of progression, as neoplastic plasmacytoid dendritic cell (PDC) proliferations may be present, representing either a clonal expansion of mature PDCs related to the underlying myeloproliferative neoplasm or transformation to blastic plasmacytoid dendritic cell neoplasm (BPDCN). BPDCN should always be considered in patients with myeloid neoplasms in progression and/or who develop new cutaneous findings, as it may prompt change of management.
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Affiliation(s)
- Siba El Hussein
- Department of Pathology University of Rochester Medical Center Rochester New York United States
| | - Mariko Yabe
- Hematopathology Service Department of Pathology and Laboratory Medicine Memorial Sloan Kettering Cancer Center New York New York United States
| | - Wei Wang
- Department of Hematopathology The University of Texas MD Anderson Cancer Center Houston Texas United States
| | - Naveen Pemmaraju
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas United States
| | - Sanam Loghavi
- Department of Hematopathology The University of Texas MD Anderson Cancer Center Houston Texas United States
| | - Fatima Zahra Jelloul
- Department of Hematopathology The University of Texas MD Anderson Cancer Center Houston Texas United States
| | - Hong Fang
- Department of Hematopathology The University of Texas MD Anderson Cancer Center Houston Texas United States
| | - L. Jeffrey Medeiros
- Department of Hematopathology The University of Texas MD Anderson Cancer Center Houston Texas United States
| | - W. Richard Burack
- Department of Pathology University of Rochester Medical Center Rochester New York United States
| | - Andrew G. Evans
- Department of Pathology University of Rochester Medical Center Rochester New York United States
| | - Jane L. Liesveld
- Department of Medicine & The Wilmot Cancer Institute University of Rochester Medical Center Rochester New York United States
| | - John M. Bennett
- Department of Pathology University of Rochester Medical Center Rochester New York United States
- Department of Medicine & The Wilmot Cancer Institute University of Rochester Medical Center Rochester New York United States
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