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Comment
. 2023 Apr 1;35(4):431-439.
doi: 10.1097/MEG.0000000000002504. Epub 2022 Dec 23.

Recurrence of hepatocellular carcinoma in noncirrhotic patients with nonalcoholic fatty liver disease versus hepatitis B infection

Jungnam Lee  1 , Jong-In Chang  2 , Young-Joo Jin  1 , Jeong-Hoon Lee  3 , Ju Yeon Kim  3 , Dong Hyun Sinn  4 , Soon Sun Kim  5 , Hyun Woong Lee  6 , Sun Hong Yoo  7 , Jung Hwan Yu  1 , Jin-Woo Lee  1
Affiliations
Comment

Recurrence of hepatocellular carcinoma in noncirrhotic patients with nonalcoholic fatty liver disease versus hepatitis B infection

Jungnam Lee et al. Eur J Gastroenterol Hepatol. .

Abstract

Background and aims: This study aimed to compare the long-term cumulative recurrence rates of hepatocellular carcinoma (HCC) and prognosis after curative resection for HCC in noncirrhotic patients with nonalcoholic fatty liver disease (NAFLD) versus hepatitis B virus (HBV) infection.

Methods: We retrospectively analyzed the data of 791 patients without recurrence within 1 year after curative resection for HCC from January 2005 to December 2015. Of these, 63 and 728 were NAFLD and HBV patients without cirrhosis, respectively.

Results: Recurrence of HCC was observed in 6 (9.5%) and 210 (28.8%) patients in the NAFLD and HBV groups, respectively, during median follow-ups of 69.9 and 85.2 months. Cumulative recurrence rates in the NAFLD group at 2, 4, 6, 8 and 10 years (3.6, 9.4, 12.4, 12.4 and 12.4%, respectively) were significantly lower than in the HBV group (1.7, 16.9, 27.2, 37.1 and 44.4%, respectively) ( P = 0.008). Cumulative overall survival (OS) rates in the NAFLD group at 2, 4, 6, 8 and 10 years (98.2, 96.0, 84.0, 84.0 and 84.0 %, respectively) were significantly lower than in the HBV group (99.3, 98.4, 97.3, 95.7 and 93.6%, respectively) ( P = 0.003). HBV infection, with or without fatty liver compared to NAFLD, were significant predictors for the recurrence of HCC ( P < 0.05 for all) and OS ( P < 0.05 for all), respectively.

Conclusions: Noncirrhotic NAFLD patients showed lower recurrence rates of HCC but poorer survival outcomes than noncirrhotic HBV patients with or without fatty liver. The recurrence risk of HCC remains even in noncirrhotic NAFLD patients.

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