Classification of non-Hodgkin lymphoma in Algeria according to the World Health Organization classification

Nadia Boudjerra, Anamarija M. Perry, Josée Audouin, Jacques Diebold, Bharat N. Nathwani, Kenneth A. Maclennan, Hans K. Müller-Hermelink, Martin Bast, Eugene Boilesen, James Olen Armitage, Dennis D. Weisenburger

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Abstract

Abstract The relative distribution of non-Hodgkin lymphoma (NHL) subtypes differs markedly around the world. The aim of this study was to report this distribution in Algeria. A panel of four hematopathologists classified 197 consecutive cases according to the World Health Organization classification, including 87.3% B-cell and 12.7% T- or natural killer (NK)-cell NHLs. This series was compared with similar cohorts from Western Europe (WEU) and North America (NA). Algeria had a significantly higher frequency of diffuse large B-cell lymphoma (DLBCL: 52.8%) and a lower frequency of follicular lymphoma (FL: 13.2%) compared with WEU (DLBCL: 32.2%; FL: 20.0%) and NA (DLBCL: 29.3%; FL: 33.6%). The frequency of mantle cell lymphoma was lower in Algeria (2.5%) compared with WEU (8.3%). Smaller differences were also found among the NK/T-cell lymphomas. In conclusion, we found important differences between Algeria and Western countries, and further epidemiologic studies are needed to explain these differences.

Original languageEnglish (US)
Pages (from-to)965-970
Number of pages6
JournalLeukemia and Lymphoma
Volume56
Issue number4
DOIs
Publication statusPublished - Apr 1 2015

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Keywords

  • Algeria
  • Diffuse large B-cell lymphoma
  • Epidemiology
  • Non-Hodgkin lymphoma

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

Cite this

Boudjerra, N., Perry, A. M., Audouin, J., Diebold, J., Nathwani, B. N., Maclennan, K. A., ... Weisenburger, D. D. (2015). Classification of non-Hodgkin lymphoma in Algeria according to the World Health Organization classification. Leukemia and Lymphoma, 56(4), 965-970. https://doi.org/10.3109/10428194.2014.939967