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. 2008 Jul 21;14(27):4347-51.
doi: 10.3748/wjg.14.4347.

Epstein-Barr virus is associated with gastric carcinoma: the question is what is the significance?

Hugo Sousa  1 , Ana-L Pinto-Correia, Rui Medeiros, Mario Dinis-Ribeiro
Affiliations

Epstein-Barr virus is associated with gastric carcinoma: the question is what is the significance?

Hugo Sousa et al. World J Gastroenterol. .

Abstract

Aim: To examine the possible role of the Epstein-Barr Virus (EBV) in the development of gastric adenocarcinoma (GC). It is unclear whether EBV is involved in GC development or is a consequence of gastric inflammation secondary to immunosuppressive treatments.

Methods: A systematic review was carried out of all published observational studies on the temporal association between EBV and GC, with a view to determine a causal relationship.

Results: The present study showed that the worldwide crude prevalence of EBV in gastric adenocarcinoma was 8.29%. The prevalence varied from 7.08% for intestinal type and 9.82% for diffuse type of GC. It was observed that Western and Central Asian countries had a significantly higher frequency of EBV positive cases compared to South-Eastern countries. America had the highest EBV-GC prevalence whereas Europe had the lowest.

Conclusion: The present review has demonstrated a high prevalence of EBV in gastric adenocarcinoma. However, studies designed to assess a temporal relationship and histological association using sensitive techniques should be carried out to establish the role of EBV in GC carcinogenesis.

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