Characteristics and prognosis of patients with large well-differentiated hepatocellular carcinoma who have undergone resection

Shu Hsien Lin, Hock Liew Eng, Yueh Wei Liu, Chih Che Lin, Chee Chien Yong, Chih Chi Wang, Chao Long Chen, Fang Ying Kuo*, Yu Fan Cheng, Jing Houng Wang, Yi Hao Yen*, Ting Ting Liu, Wei Feng Li, Chien Hung Chen

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

6 Scopus citations

Abstract

Background: Large well-differentiated hepatocellular carcinoma (HCC) ≥ 3 cm (defined as atypical HCC) is uncommon. We evaluated the characteristics and outcomes of atypical HCC patients underwent liver resection (LR). Methods: This retrospective study enrolled patients who underwent LR for HCC from 2007 to 2017. Patient characteristics and overall survival (OS) were compared between patients with atypical HCC and patients with typical HCC (moderate-to-undifferentiated HCC ≥ 3 cm). Results: Among 598 patients, 51 (8.5%) had atypical HCC. Patients with atypical HCC had higher rates of non-hepatitis B or C infections (p = 0.02) and American Joint Committee on Cancer T1 pathology (p < 0.001), a lower rate of alpha-fetoprotein >20 ng/ml (p < 0.001) and a longer OS (p < 0.001) than those with typical HCC. Multivariate analysis showed that atypical HCC was associated with OS (HR = 0.50, 95% CI = 0.27–0.91, p = 0.02). Conclusions: Patients with atypical HCC have a higher rate of non-hepatitis B or C infections and a lower rate of aggressive tumor biologic behavior. Atypical HCC is an independent predictor of OS.

Original languageEnglish
Pages (from-to)339-345
Number of pages7
JournalAmerican Journal of Surgery
Volume223
Issue number2
DOIs
StatePublished - 02 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Inc.

Keywords

  • Hepatocellular carcinoma
  • Liver resection
  • Tumor differentiation

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