title: EBV-positive diffuse large B-cell lymphoma of the elderly.
abstract: Epstein-Barr virus (EBV) positive diffuse large B-cell lymphoma (DLBCL) of the elderly, initially described in 2003, is a provisional entity in the 2008 World Health Organization classification system and is defined as an EBV-positive monoclonal large B-cell proliferation that occurs in patients >50 years of age and in whom there is no known immunodeficiency or history of lymphoma. These tumors are more common in Asia but also occur in North America and Europe at a low frequency. These neoplasms exhibit a morphologic continuum, from polymorphous to monomorphous, but morphologic features do not correlate with prognosis as all patients have a clinically aggressive course. Most EBV-positive DLBCL of the elderly patients have an activated B-cell immunophenotype and are characterized by prominent nuclear factor-κB activation. Cytogenetic complexity is usually low. In this review, we comprehensively delineate the data emerging from analyses of EBV latency program, microRNA-mediated EBV viral oncogenesis, functional genomics of EBV and its biology, and differential diagnosis challenge for EBV-positive DLBCL of the elderly. It is hoped that the improved understanding of these tumors will lead to the development of novel therapeutic approaches, enhance the effectiveness of clinical trials, and improve prognosis.
authors: Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
authors: Chi Young
authors: CY
authors: Ok
authors: Thomas G
authors: TG
authors: Papathomas
authors: L Jeffrey
authors: LJ
authors: Medeiros
authors: Ken H
authors: KH
authors: Young
mesh_terms: D000368:Aged; D020031:Epstein-Barr Virus Infections / Q000150:complications* / Q000821:virology*; D004854:Herpesvirus 4, Human / Q000502:physiology*; D006801:Humans; D016130:Immunophenotyping; D016403:Lymphoma, Large B-Cell, Diffuse / Q000150:complications* / Q000453:epidemiology / Q000235:genetics / Q000821:virology*; D035683:MicroRNAs / Q000235:genetics / Q000378:metabolism; D008954:Models, Biological
chemical_list: D035683:MicroRNAs
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