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Cancer Epidemiol Biomarkers Prev. 2011 Jan;20(1):208-14. doi: 10.1158/1055-9965.EPI-10-0889. Epub 2010 Nov 23.

Infection with hepatitis B and C viruses and risk of lymphoid malignancies in the European Prospective Investigation into Cancer and Nutrition (EPIC).

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  • 1International Agency for Research on Cancer, 150 cours Albert Thomas, 69372 Lyon, cedex 08, France. franceschi@iarc.fr

Abstract

BACKGROUND:

Case-control studies suggested a moderate, but consistent, association of hepatitis C virus (HCV) infection with lymphoid tissue malignancies, especially non-Hodgkin lymphoma (NHL). More limited data suggested that hepatitis B virus (HBV) infection might also be associated with NHL. However, prospective studies on the topic are few.

METHODS:

A nested case-control study was conducted in eight countries participating in the EPIC prospective study. Seven hundred thirty-nine incident cases of NHL, 238 multiple myeloma (MM), and 46 Hodgkin lymphoma (HL) were matched with 2,028 controls. Seropositivity to anti-HCV, anti-HBc, and HBsAg was evaluated and conditional logistic regression was used to estimate odds ratios (OR) and corresponding 95% confidence intervals (CI) for NHL, MM, or HL, and their combination.

RESULTS:

Anti-HCV seropositivity among controls in different countries ranged from 0% to 5.3%; HBsAg from 0% to 2.7%; and anti-HBc from 1.9% to 45.9%. Similar nonsignificant associations were found with seropositivity to HBsAg for NHL (OR = 1.78; 95% CI: 0.78-4.04), MM (OR = 4.00; 95% CI: 1.00-16.0), and HL (OR = 2.00; 95% CI: 0.13-32.0). The association between HBsAg and the combination of NHL, MM, and HL (OR = 2.21; 95% CI: 1.12-4.33) was similar for cancer diagnosed less than 3 and 3 or more years after blood collection. No significant association was found between anti-HCV and NHL, MM, or HL risk, but the corresponding CIs were very broad.

CONCLUSIONS:

Chronic HBV infection may increase the risk of lymphoid malignancies among healthy European volunteers.

IMPACT:

Treatment directed at control of HBV infection should be evaluated in HBsAg-seropositive patients with lymphoid tissue malignancies.

PMID:
21098651
DOI:
10.1158/1055-9965.EPI-10-0889
[PubMed - indexed for MEDLINE]
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