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Microwave thermal ablation for hepatocarcinoma: six liver transplantation cases.

Abstract：

:Surgical resection for malignant hepatic tumors, especially hepatocarcinoma (HCC), has been demonstrated to increase overall survival; however, the majority of patients are not suitable for resection. Radiofrequency ablation (RFA) is the most widely used modality for radical treatment of small HCC (<3 cm). It improves 5-year survival compared with standard chemotherapy and chemical ablation, allowing down-staging of unresectable hepatic masses. Microwave ablation (MWA) has been extensively applied in Asia and was recently introduced in the United States of America and Europe with excellent results, especially with regard to large unresectable HCC. Our single-center experience between May 2009 and October 2010 included application of MWA to 154 patients of median age ± standard deviation of 63.5 ± 8.5 years, 6 males, and 1 female, of mean Model for End-Stage Liver Disease (MELD) score (10.1 ± 3.8). The HCC included, hepatitis C virus (HCV)-related (n=70; 45.5%); alcool (ETOH)-related (n=42; 27%), hepatitis B virus (HBV)-related (n=16; 10.5%); and cryptogenic cases (n=26; 17%). The cases were performed for radical treatment down-staging for multifocal pathology or bridging liver transplantation to orthotopic (OLT) in selected patients with single nodules. A computed tomography (CT) scan was performed at 1 month after the surgical procedure to evalue responses to treatment. Among 6 selected patients who underwent OLT; 5 (83.3%) showed disease-free survival at one-year follow-up. The radical treatment achieved no intraoperative evidence of tumor spread or of pathological signs of active HCC among the explanted liver specimens. In conclusion, a MWA seemed to be a safe novel approach to treat HCC and could serve as a "bridge" to OLT and down-staging for patients with HCC.

journal_name

Transplant Proc

journal_title

Transplantation proceedings

authors

Zanus G,Boetto R,Gringeri E,Vitale A,D'Amico F,Carraro A,Bassi D,Bonsignore P,Noaro G,Mescoli C,Rugge M,Angeli P,Senzolo M,Burra P,Feltracco P,Cillo U

doi

10.1016/j.transproceed.2011.02.044

subject

Has Abstract

pub_date

2011-05-01 00:00:00

pages

1091-4

issue

eissn

0041-1345

issn

1873-2623

pii

S0041-1345(11)00350-2

journal_volume

pub_type

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Microwave thermal ablation for hepatocarcinoma: six liver transplantation cases.