Abstract
Splenic diffuse red pulp small B-cell lymphoma (SDRPL) is a rare B-cell tumor whose genetic characteristics are poorly understood. Here, we introduce the case of a 62-year-old patient with SDRPL who showed progressive elevation of lymphocytes and progressive spleen enlargement. Immunohistochemistry showed that CD20 and CD79a were positive, and the Ki-67 labelling index was approximately 5%, consistent with the pathological features of splenic B-cell lymphoma. Spleen tissue and peripheral blood samples from the patient were sequenced using a next-generation sequencing platform, and mutations possibly were detected in the CXCR4 and TRAF3 genes that may be related to the pathogenesis of the disease. This finding may provide insights into the molecular pathogenesis of SDRPL and assist in molecular diagnosis and targeted therapy for SDRPL.
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The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Sponsored by the Zhejiang Provincial Program for the Cultivation of High-level Innovative Health Talents.
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SZ and WF conceived the study and drafted the manuscript. LL performed splenectomy on the patient. JJ, HL, JW, FL, YF, and YZ collected and analyzed the clinical data. JQ performed the NGS platform and analyzed the sequencing data. All authors contributed to the article and approved the submitted version.
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Zheng, S., Lin, L., Jin, J. et al. First reported case of splenic diffuse red pulp small B-cell lymphoma with novel mutations in CXCR4 and TRAF3 genes. Int J Hematol 118, 394–399 (2023). https://doi.org/10.1007/s12185-023-03581-3
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DOI: https://doi.org/10.1007/s12185-023-03581-3