Genetic Basis of Extramedullary Plasmablastic Transformation of Multiple Myeloma Article Swipe
YOU?
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· 2020
· Open Access
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· DOI: https://doi.org/10.1097/pas.0000000000001459
In patients with multiple myeloma, plasmablastic transformation in the bone marrow is rare and associated with poor outcomes. The significance of discordant extramedullary plasmablastic transformation in patients with small, mature clonal plasma cells in the bone marrow has not been well studied. Here, we report the clinicopathologic, cytogenetic, and molecular features of 10 such patients (male/female: 6/4, median age: 65 y, range: 48 to 76 y) with an established diagnosis of multiple myeloma in the bone marrow composed of small, mature plasma cells in parallel with a concurrent or subsequent extramedullary plasmablastic transformation. Eight patients with available survival data showed an overall aggressive clinical course with a median survival of 4.5 months after the diagnosis of extramedullary plasmablastic transformation, despite aggressive treatment and even in patients with low-level bone marrow involvement. Pathologically, the extramedullary plasmablastic myeloma were clonally related to the corresponding bone marrow plasma cells, showed high levels of CMYC and/or P53 expression with a high Ki-67 proliferation index by immunohistochemistry and harbored more complex genomic aberrations including frequent mutations in the RAS pathway and MYC rearrangements compared with their bone marrow counterparts. In summary, although genetic and immunohistochemical studies were not uniformly performed on all cases due to the retrospective nature of this study, our data suggest that discordant extramedullary plasmablastic transformation of multiple myeloma has an aggressive clinical course and is characterized by frequent mutations in the RAS pathway and more complex genomic abnormalities.
Related Topics
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1097/pas.0000000000001459
- OA Status
- green
- Cited By
- 43
- References
- 38
- Related Works
- 10
- OpenAlex ID
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3009071170Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1097/pas.0000000000001459Digital Object Identifier
- Title
-
Genetic Basis of Extramedullary Plasmablastic Transformation of Multiple MyelomaWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2020Year of publication
- Publication date
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2020-02-28Full publication date if available
- Authors
-
Ying Liu, Fatima Zahra Jelloul, Yanming Zhang, Tapan Bhavsar, Caleb Ho, Mamta Rao, Natasha Lewis, Robert Cimera, Jeeyeon Baik, Allison Sigler, Filiz Şen, Mariko Yabe, Mikhail Roshal, Ola Landgren, Ahmet Doğan, Wenbin XiaoList of authors in order
- Landing page
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https://doi.org/10.1097/pas.0000000000001459Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://www.ncbi.nlm.nih.gov/pmc/articles/7225029Direct OA link when available
- Concepts
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Multiple myeloma, Bone marrow, Pathology, Immunohistochemistry, Plasma cell, Medicine, Plasma Cell Myeloma, Proliferation index, Cancer research, Internal medicineTop concepts (fields/topics) attached by OpenAlex
- Cited by
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43Total citation count in OpenAlex
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2025: 11, 2024: 10, 2023: 9, 2022: 8, 2021: 5Per-year citation counts (last 5 years)
- References (count)
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38Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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