CD5+ diffuse large B-cell lymphoma: a narrative review

Urshila Durani, Stephen M. Ansell

Research output: Contribution to journalReview articlepeer-review

Abstract

Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous entity, and cell surface cluster of differentiation (CD) 5 expression may represent a distinct subset. Here, we provide a narrative review of CD5+ DLBCL to understand its clinical implications. Between 5–10% of DLBCL express CD5, making it an uncommon subset. Studies have variably shown that CD5+ DLBCL may be associated with increased age, high lactate dehydrogenase, B symptoms, extra-nodal sites, higher International Prognostic Index score, and advanced stage. CD5+ DLBCLs are more likely to express Bcl-2, MYC, and MUM1; a large proportion exhibit an activated B-cell (ABC)-like phenotype. The balance of studies generally supports an independent prognostic value of CD5 in DLBCL While more aggressive first-line regimens have been advocated for CD5+ DLBCL, including dose-adjusted R-EPOCH and autologous stem cell transplant, evidence to support these approaches is lacking; further study is warranted to identify the optimal treatment strategy for this disease entity.

Original languageEnglish (US)
Pages (from-to)3078-3086
Number of pages9
JournalLeukemia and Lymphoma
Volume62
Issue number13
DOIs
StatePublished - 2021

Keywords

  • B-cell Lymphoma
  • CD5
  • DLBCL

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

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