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Original Articles

EBV-positive PCNSL in older patients: incidence, characteristics, tumor pathology, and outcomes across a large multicenter cohort

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Pages 1026-1034 | Received 05 Sep 2022, Accepted 06 Mar 2023, Published online: 24 Mar 2023
 

Abstract

The objective of this multicenter retrospective study was to examine the incidence, patient characteristics, pathology, and outcomes associated with Epstein-Barr virus (EBV)-related CNS lymphoma (CNSL) in older patients. Among 309 CNSL patients aged ≥60, 11.7% had EBV + tumors of which 72.2% were solid organ transplant (SOT)-related post-transplant lymphoproliferative disorders (PTLD). Younger age, SOT or autoimmune disease, and immunosuppressive treatment correlated highly with EBV-positivity. EBV + tumors were associated with absent C-MYC and BCL6 expression. EBV + PTLD was more likely to be associated with the absence of CD5 expression. EBV + non-PTLD had better median OS (not reached) compared to EBV + PTLD (10.8 months) and EBV-negative patients (43 months). Multivariable Cox regression analysis showed that age, performance status, and PTLD were negative predictors of OS. EBV status and immunosuppressive treatment were not correlated with OS. Our findings merit further investigation of EBV + PCNSL tumors and EBV-directed therapies.

Acknowledgements

Peter Martin and Amy Chadburn were supported by the following grant: NIH R01 CA260691.

Authors contributions

All authors provided data and reviewed the manuscript. Andrew Evens, Kevin David, Peter Martin, and Prashasti Agrawal developed the study concept. Peter Martin, Zhengming Chen, and Prashasti Agrawal performed data analysis.

Disclosure statement

No potential conflict of interest was reported by the author(s).

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