Needle electrode position assessed using three-dimensional ultrasonography and outcome of radiofrequency ablation in hepatocellular carcinoma.
Hepatogastroenterology
; 60(123): 428-31, 2013 May.
Article
em En
| MEDLINE
| ID: mdl-23186605
ABSTRACT
BACKGROUND/AIMS:
Radiofrequency ablation (RFA) is an established curative therapy for early-stage hepatocellular carcinoma (HCC). We assessed the positions of inserted needle electrodes using three-dimensional ultrasonography (3D-US) and examined the association between the electrode position and outcomes of RFA.METHODOLOGY:
Forty-seven patients with 49 HCC nodules treated with a cooled-tip RFA system were enrolled. Immediately after the first insertion of electrodes, 3D volume data were acquired. After RFA completion, the electrode position was assessed using the data.RESULTS:
There were 18 central and 31 marginal pattern nodules. The total number of electrode insertions was significantly greater for the marginal nodules than for the central nodules (p=0.032). In the first session of RFA, 36 HCC nodules (central, n=14; marginal, n=22) were treated with single insertion of electrodes. The ratio of incompletely ablated nodules after the first session was greater for the marginal nodules than for the central nodules (p=0.025).CONCLUSIONS:
Our study demonstrated that inserted electrode positions assessed using 3D-US are closely associated with outcomes of RFA and the number of electrode insertions.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Observational_studies
/
Risk_factors_studies
Limite:
Aged
/
Aged80
/
Female
/
Humans
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Male
Idioma:
En
Ano de publicação:
2013
Tipo de documento:
Article