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Liver Int. 2012 Oct;32(9):1434-42. doi: 10.1111/j.1478-3231.2012.02838.x. Epub 2012 Jun 19.

Percutaneous ethanol injection for hepatocellular carcinoma: 20-year outcome and prognostic factors.

Author information

  • 1Department of Gastroenterology, University of Tokyo, Tokyo, Japan. sshiina-tky@umin.ac.jp

Abstract

BACKGROUND:

Ethanol injection is the best-known image-guided percutaneous ablation for hepatocellular carcinoma (HCC) and a well-tolerated, inexpensive procedure with few adverse effects. However, there have been few reports on its long-term results.

AIMS:

We report a 20-year consecutive case series at a tertiary referral centre.

METHODS:

We performed 2147 ethanol injection treatments on 685 primary HCC patients and analysed a collected database.

RESULTS:

Final computed tomography demonstrated complete ablation of treated tumours in 2108 (98.2%) of the 2147 treatments. With a median follow-up of 51.6 months, 5-, 10- and 20-year survival rates were 49.0% [95% confidence interval (CI) = 45.3-53.0%], 17.9% (95% CI = 15.0-21.2%) and 7.2% (95% CI = 4..5-11.5%) respectively. Multivariate analysis demonstrated that age, Child-Pugh class, tumour size, tumour number and serum alpha-fetoprotein level were significant prognostic factors for survival. Five-, 10- and 20-year local tumour progression rates were 18.2% (95% CI = 15.0-21.4%), 18.4% (95% CI = 15.2-21.6%) and 18.4% (95% CI = 15.2-21.6%) respectively. Five-, 10- and 20-year distant recurrence rates were 53.5% (95% CI = 49.4-57.7%), 60.4 (95% CI = 56.3-64.5%) and 60.8% (95% CI = 56.7-64.9%) respectively. There were 45 complications (2.1%) and two deaths (0.09%).

CONCLUSIONS:

Ethanol injection was potentially curative for HCC, resulting in survival for more than 20 years. This study suggests that new ablation therapies will achieve similar or even better long-term results in HCC.

© 2012 John Wiley & Sons A/S.

PMID:
22712520
[PubMed - indexed for MEDLINE]
PMCID:
PMC3466412
Free PMC Article

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