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Review
. 2009 Dec 15;115(24):5651-61.
doi: 10.1002/cncr.24687.

Metabolic syndrome and hepatocellular carcinoma: two growing epidemics with a potential link

Abby B Siegel  1 , Andrew X Zhu
Affiliations
Review

Metabolic syndrome and hepatocellular carcinoma: two growing epidemics with a potential link

Abby B Siegel et al. Cancer. .

Abstract

Hepatocellular carcinoma (HCC) is the most rapidly increasing cause of cancer death in the United States. Although many risk factors for HCC are well defined, including hepatitis B virus (HBV), hepatitis C virus (HCV), and alcohol, most series have indicated that 5% to 30% of patients with HCC lack a readily identifiable risk factor for their cancer. The majority of "cryptogenic" HCC in the United States is attributed to nonalcoholic fatty liver disease (NAFLD), a hepatic manifestation of the metabolic syndrome. The metabolic syndrome is a constellation of problems that includes insulin resistance, obesity, hypertension, and hyperlipidemia. Increasingly, components of the metabolic syndrome are being linked to various forms of cancer with respect to both increased risk of disease and worsened outcome. In this review, the authors focused on the relation between metabolic syndrome and HCC. They investigated the increased risks of HCC among individuals with features of metabolic syndrome, potentially worsened cancer outcomes in these patients, possible pathogenic mechanisms to explain these relations, and treatment options for those with NAFLD and its progressive counterpart, nonalcoholic steatohepatitis. It is predicted that metabolic syndrome will lead to large increases in the incidence of HCC over the next decades. A better understanding of the relation between these 2 diseases ultimately should lead to improved screening and treatment options for patients with HCC.

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Figures

Figure 1
Figure 1
Components of the Metabolic Syndrome
Figure 2
Figure 2
Relationship between NAFLD, NASH, and HCC
Figure 3
Figure 3
BMI category and relative risk of cancer death in men
Figure 4
Figure 4
NAFLD pathogenesis
See this image and copyright information in PMC

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