Assessment of liver tumor response by high-field (3 T) MRI after radiofrequency ablation: Short- and mid-term evolution of diffusion parameters within the ablation zone

Assessment of liver tumor response by high-field (3 T) MRI after radiofrequency ablation: Short- and mid-term evolution of diffusion parameters within the ablation zone

Abstract Purpose To compare the apparent diffusion coefficient (ADC) values of malignant liver lesions on diffusion-weighted MRI (DWI) before and after successful radiofrequency ablation (RF ablation). Materials and methods Thirty-two patients with 43 malignant liver lesions (23/20: metastases/hepat...

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Veröffentlicht in:European journal of radiology 2012-09, Vol.81 (9), p.e944-e950
Hauptverfasser: Lu, Tri-Linh, Becce, Fabio, Bize, Pierre, Denys, Alban, Meuli, Reto, Schmidt, Sabine
Format: Artikel
Sprache:eng
Schlagworte:
Adult
Aged
Apparent diffusion coefficient
Carcinoma, Hepatocellular - pathology
Carcinoma, Hepatocellular - surgery
Catheter Ablation - methods
Diffusion-weighted magnetic resonance imaging
Female
Hepatectomy - methods
Humans
Liver neoplasms
Liver Neoplasms - pathology
Liver Neoplasms - surgery
Longitudinal Studies
Magnetic Resonance Imaging - methods
Male
Middle Aged
Radiofrequency ablation
Radiology
Treatment Outcome
Tumor response
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Zusammenfassung:Abstract Purpose To compare the apparent diffusion coefficient (ADC) values of malignant liver lesions on diffusion-weighted MRI (DWI) before and after successful radiofrequency ablation (RF ablation). Materials and methods Thirty-two patients with 43 malignant liver lesions (23/20: metastases/hepatocellular carcinomas (HCC)) underwent liver MRI (3.0 T) before (
ISSN:0720-048X
1872-7727
DOI:10.1016/j.ejrad.2012.06.011