Chromosomal translocations involved in non-Hodgkin lymphomas

Francisco Vega, L. Jeffrey Medeiros

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


Context. - The discovery that recurrent chromosomal translocations are involved in the pathogenesis of non-Hodgkin lymphomas has greatly improved our understanding of these diseases and revolutionized their diagnosis. Objective. - To review the mechanisms by which chromosomal translocations occur and contribute to the pathogenesis of various types of non-Hodgkin lymphomas and to review the utility of molecular genetic methods for the assessment of these translocations. Data Sources and Study Selection. - Primary research studies and reviews published in the English language that focus on chromosomal translocation and non-Hodgkin lymphomas. Data Extraction and Synthesis. - Chromosomal translocations, which usually result in oncogene activation, occur in many types of B- and T-cell lymphoma, and their detection is helpful for establishing an accurate diagnosis and monitoring disease following therapy. However, the precise mechanisms that explain how translocations occur remain unknown, although for some types of translocations a clear relationship has been established with immunoglobulin gene rearrangement mechanisms. In recent years, a number of genes deregulated by chromosomal translocations have been identified, and the detailed molecular mechanisms by which chromosomal translocations contribute to the pathogenesis of non-Hodgkin lymphoma are beginning to be elucidated. Conclusions. - Molecular genetic analysis has played a major role in improving our understanding of B- and T-cell non-Hodgkin lymphomas and has allowed more precise definition of lymphoma types. Molecular genetic tests to detect these translocations are important ancillary tools for the diagnosis and classification of malignant lymphomas.

Original languageEnglish (US)
Pages (from-to)1148-1160
Number of pages13
JournalArchives of Pathology and Laboratory Medicine
Issue number9
StatePublished - Sep 1 2003
Externally publishedYes

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology


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