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Surgery. 2008 Apr;143(4):469-75. doi: 10.1016/j.surg.2007.12.003.

Comparison of the outcomes between an anatomical subsegmentectomy and a non-anatomical minor hepatectomy for single hepatocellular carcinomas based on a Japanese nationwide survey.

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  • 1Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. sueguchi@nagasaki-u.acjp

Abstract

BACKGROUND:

Although a surgical resection is an important modality for the treatment of hepatocellular carcinoma (HCC), the impact of the operative method on both the patient survival and disease-free survival (DFS) still remains controversial.

METHODS:

Using a nationwide Japanese database, 72,744 patients with HCC who underwent a curative liver resection between 1994 and 2001 were divided into two groups based on whether an anatomical subsegmentectomy (AS) or a non-anatomical minor hepatectomy (MH) was performed. A total of 5,781 patients with single HCCs were selected for the study and divided into 3 subgroups based on the size of the HCCs (less than 2 cm, 2 to 5 cm, and greater than 5 cm in diameter). An AS was performed for 2,267 patients while an MH was performed for 3,514 patients.

RESULTS:

The overall DFS was significantly better after an AS (P = .0089). When the patients were stratified according to the size of the HCC, a better DFS was seen in the patients with HCC from 2 to 5 cm after an AS (P < .0005). Further stratification according to liver damage did not show any significant differences between an AS and an MH.

CONCLUSION:

An AS is therefore recommended, especially when the size of HCC ranges from 2 to 5 cm.

PMID:
18374043
[PubMed - indexed for MEDLINE]
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