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. 2014 Jan;2(1):43-50.
doi: 10.3892/mco.2013.196. Epub 2013 Sep 30.

Stereotactic body radiotherapy combined with transarterial chemoembolization for hepatocellular carcinoma with portal vein tumor thrombosis

Jingbo Kang  1 , Qing Nie  1 , Rui DU  1 , Liping Zhang  1 , Jun Zhang  1 , Qiliang Li  1 , Jianguo Li  1 , Wenjie Qi  1
Affiliations

Stereotactic body radiotherapy combined with transarterial chemoembolization for hepatocellular carcinoma with portal vein tumor thrombosis

Jingbo Kang et al. Mol Clin Oncol. 2014 Jan.

Abstract

The purpose of this study was to evaluate the clinical efficacy, toxicity and adverse effects of stereotactic body radiotherapy (SBRT) combined with transarterial chemoembolization (TACE) in patients with advanced hepatocellular carcinoma (HCC) with portal vein tumor thrombosis (PVTT). A total of 101 patients diagnosed with primary HCC with PVTT were enrolled in this study and were randomly divided into three groups as follows: group A, 34 patients treated with γ-SBRT followed by TACE; group B, 37 patients treated with TACE followed by γ-SBRT; and group C, 30 patients treated with γ-SBRT alone. The effective response rate for the entire patient sample was 87.1% (88/101) following a 3-month treatment. The differences in the response rate, survival rate, α-fetoprotein level restoration rate and rate of improvement of abdominal distention and discomfort between groups A and B were not statistically significant (P>0.05). However, the rates of groups A and B were higher compared to those of group C (P<0.05). The exacerbation rate of liver function in group A was lower compared to that in group B (P<0.05), although it exhibited no statistically significant difference from that in group C (P>0.05). No severe radiation-related complications were reported during the follow-up period. The combination of γ-SBRT and TACE was shown to be a relatively effective local treatment for primary HCC patients with PVTT. Compared to γ-SBRT followed by TACE and γ-SBRT alone, TACE followed by γ-SBRT may exert a negative effect on liver function. These results suggested that the combination of TACE and γ-SBRT may be considered a relatively effective, safe and feasible treatment method for primary HCC patients with PVTT, although TACE followed by γ-SBRT may negatively affect liver function.

Keywords: portal vein tumor thrombosis; primary hepatocellular carcinoma; stereotactic body radiotherapy; transcatheter arterial chemoembolization; γ-knife.

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Figures

Figure 1.
Figure 1.
Example of follow-up computed tomography images.
Figure 2.
Figure 2.
Survival curves of the three groups. TACE, transarterial chemoembolization; SBRT, stereotactic body radiotherapy; Cum, cumulative.
See this image and copyright information in PMC

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