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Ann Hepatol. 2016 Jul-Aug;15(4):545-9.

 Increased hepatocellular carcinoma recurrence in women compared to men with high alpha fetoprotein at liver transplant.

Author information

1
Division of Gastroenterology and Hepatology and University of California San Francisco (UCSF), San Francisco, California, United States.
2
Division of Transplant Surgery. University of California San Francisco (UCSF), San Francisco, California, United States.
3
Division of Gastroenterology and Hepatology and University of California San Francisco (UCSF), San Francisco, California, United States; Division of Transplant Surgery. University of California San Francisco (UCSF), San Francisco, California, United States.

Abstract

 Introduction. Men have higher risk for hepatocellular carcinoma (HCC) than women. Pre liver transplant (LT) alpha fetoprotein (AFP) levels strongly predict post LT HCC recurrence. Though women with HCC have higher AFP, the contribution of AFP level by gender to post LT HCC recurrence is unknown.

MATERIAL AND METHODS:

In this UNOSbased, retrospective cohort study we investigate sex differences in HCC recurrence among LT recipients with MELD exception between 2006-2010. Covariates include race, disease etiology, co-morbidities, AFP at listing and LT, tumor burden, loco-regional therapy, and donor risk index. HCC recurrence was assessed by competing risks regression.

RESULTS:

Of the eligible cohort (n = 5,002) included 3,872 men and 1,130 women. HCC recurred in 258 men (7%) and 66 women (6%). Median listing AFP was higher in women than men (14 vs. 11 ng/dL, p < 0.001). While no sex difference in overall HCC recurrence was detected (HR 0.9, 95% CI 0.7-1.2, p = 0.38), there was a strong interaction between gender and AFP on recurrence risk (p = 0.02). HCC recurrence was nearly three times higher in women (HR 4.2, 95% CI 2.2-8.2, p < 0.001) than men (HR 1.5, 95% CI 1.1-2.1, p = 0.02) with AFP at LT between 101-500 ng/dL.

CONCLUSION:

This study reveals novel sex differences in post LT HCC recurrence, which was nearly three times higher in women than men with high AFP at LT. Pre-LT AFP levels appear to carry a different prognosis in women than men, and a subset of female LT recipients may benefit from more intensive HCC surveillance after LT.

PMID:
27236153
PMCID:
PMC5224926
[Indexed for MEDLINE]
Free PMC Article

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