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Schoolcraft DK, Karrs JX. Flower cell morphology in high-grade B-cell lymphoma of the maxillary sinus. Blood 2024; 143:738. [PMID: 38386426 DOI: 10.1182/blood.2023022266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024] Open
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Karrs JX, Sathyanarayana SH, Xu X, Green DC, Kahn WA, Loo EY, Kaur P. Indolent B-cell lymphoma with t(14;19) investigated from a molecular perspective. J Hematop 2023; 16:217-221. [PMID: 38175432 DOI: 10.1007/s12308-023-00562-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/03/2023] [Indexed: 01/05/2024] Open
Abstract
T(14;19) is an unusual but distinct genomic alteration reported in low-grade B-cell lymphomas. This structural rearrangement places BCL3 in juxtaposition with IGH inducing proliferation and has been found in chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), marginal zone lymphoma (MZL), and other low-grade B-cell lymphomas. While there are some case series describing this in the context of other cytogenetic alterations, there are limited clinical cases examined from a molecular perspective. We herein describe a case of a low-grade B-cell lymphoma with t(14;19) resulting in IGH::BCL3 fusion on which we performed whole exome sequencing to investigate genetic variants that could contribute to its pathogenesis. We found pathogenic alterations including a variant in CXCR4 which has been shown to be recurrently mutated in different low-grade B-cell lymphomas including lymphoplasmacytic lymphoma (LPL) and MZL. We describe this interesting case in the context of its genomic findings and how it contributes to the literature as a whole.
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Affiliation(s)
- Jeremiah X Karrs
- Dartmouth Health, Geisel School of Medicine, 1 Medical Dr, Lebanon, NH, 03756, USA.
| | | | - Xinjie Xu
- Mayo Clinic Laboratories 3050 Superior Dr NW, Rochester, MN, 55905, USA
| | - Donald C Green
- Dartmouth Health, Geisel School of Medicine, 1 Medical Dr, Lebanon, NH, 03756, USA
| | - Wahab A Kahn
- Dartmouth Health, Geisel School of Medicine, 1 Medical Dr, Lebanon, NH, 03756, USA
| | - Eric Y Loo
- Dartmouth Health, Geisel School of Medicine, 1 Medical Dr, Lebanon, NH, 03756, USA
| | - Prabhjot Kaur
- Dartmouth Health, Geisel School of Medicine, 1 Medical Dr, Lebanon, NH, 03756, USA
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Karrs JX, Bass J, Karrs T. Inflexible Ears. JAMA Dermatol 2015; 152:335-6. [PMID: 26650978 DOI: 10.1001/jamadermatol.2015.4761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Jeremiah X Karrs
- Department of Pathology, Virginia Commonwealth University Health System, Virginia Commonwealth University School of Medicine, Richmond
| | - Jonathan Bass
- Departments of Dermatology and Pathology, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Thomas Karrs
- Dermatology at West Virginia School of Osteopathic Medicine, Lewisburg
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