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. 2003 Feb;38(2):200-7.
doi: 10.1016/s0168-8278(02)00360-4.

Risk factors contributing to early and late phase intrahepatic recurrence of hepatocellular carcinoma after hepatectomy

Hiroshi Imamura  1 , Yutaka Matsuyama, Eiji Tanaka, Takao Ohkubo, Kiyoshi Hasegawa, Shinichi Miyagawa, Yasuhiko Sugawara, Masami Minagawa, Tadatoshi Takayama, Seiji Kawasaki, Masatoshi Makuuchi
Affiliations

Risk factors contributing to early and late phase intrahepatic recurrence of hepatocellular carcinoma after hepatectomy

Hiroshi Imamura et al. J Hepatol. 2003 Feb.

Abstract

Background/aims: We conducted a retrospective cohort study to investigate factors to early and late phase recurrence of hepatocellular carcinoma (HCC).

Methods: The study population consisted of 249 patients including 157 with cirrhosis who underwent hepatectomy for HCC. The endpoint was time-to-recurrence. Using a Cox regression model, factors to early and late phase recurrences were investigated censoring recurrence-free patients at the 2-year time point and in patients without recurrence at 2 years.

Results: Actuarial probability of overall recurrence at 1, 3, and 5 years were 0.301, 0.623, and 0.790, respectively, with a median follow-up of 624 days. Early recurrence was observed in 123 out of 249 patients; while late recurrence was found in 61 out of 113 patients. Factors to early recurrence were as follows: non-anatomical resection, presence of microscopic vascular invasion, and serum alpha-fetoprotein level >or=32 ng/ml. Those contributing to late phase recurrence were higher grade of hepatitis activity, multiple tumors, and gross tumor classification.

Conclusions: Variables associated with metastatic recurrence were factors to early phase recurrence; whereas those related with elevated carcinogenesis contributed to late phase recurrence, thus providing an epidemiological evidence that different mechanisms, i.e. metastasis and de novo, are involved in intrahepatic recurrence after hepatectomy for HCC.

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