Epstein - Barr virus infection is not the sole cause of high prevalence for Hodgkin's lymphoma in Saudi Arabia

Khawla Al-Kuraya, Rajeswari Narayanappa, Fouad Al-Dayel, Hassan El-Solh, Adnan Ezzat, Hoda Ismail, Asim Belgaumi, Prashant Bavi, Valerie Atizado, Guido Sauter, Ronald Simon

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14 Citations (Scopus)


The age-adjusted incidence of Hodgkin's lymphoma (HL) is markedly higher in Saudi Arabia than in the USA, and accounts for 10.5% of all neoplasias in children aged 15 years or older in Saudi Arabia. Epstein-Barr virus (EBV) infection has been suspected to cause high HL incidence in developing countries. To investigate the role of EBV for the high frequency of HL in Saudi Arabia, we analysed 169 HLs from Saudi Arabia and 30 HLs from Europe for EBV infection by in situ hybridization with fluoresence in-conjugated EBV on tissue microarray sections. All Saudi Arabian and European HLs were analysed in one experiment under identical conditions. Unexpectedly, our data show only minor, insignificant differences in EBV infection rates between Saudi Arabian (42 out of 147 informative cases 28.6%) and European HL (nine out of 30 informative cases; 30%; P = 0.8752). Within the Saudi Arabian population, EBV infection was most frequently seen in mixed cellularity HL (52.4%). This was significantly more frequent than in nodular sclerosing HL (26.1%; P =0.0236). EBV positivity was unrelated to patient prognosis. In conclusion, our data strongly suggest that EBV is not the main cause for the high prevalence of HL in Saudi Arabia. This would be consistent with a major role of genetic susceptibility genes for HL in these populations. The Saudi Arabian population, with high consanguinity and large families, would prove ideal for identifying HL susceptibility genes.

Original languageEnglish
Pages (from-to)707-713
Number of pages7
JournalLeukemia and Lymphoma
Issue number4
Publication statusPublished - Apr 2006
Externally publishedYes


  • EBV
  • Ethnic differences
  • Hodkin's lymphoma


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