RSNA 2011: MR-guided radiofrequency ablation effective in hepatocellular carcinoma
Published
30 November 2011
| Article by Excerpta Medica
| Tags:
mri,
ablation,
hepatocellular-carcinoma
RSNA 2011: MR-guided radiofrequency ablation effective in hepatocellular carcinoma
Both technical and clinical success was very encouraging in a study of MR-guided radiofrequency (RF) ablation in the treatment of hepatocellular carcinoma. The study evaluated 66 ablations in 50 patients with 76 lesions. According to the authors of this study, which was conducted in Germany, the placement of the RF electrodes under MR-fluoroscopy was performed without incident, while T1 and T2 weighted imaging sequences were employed to monitor the degree of ablation. Dynamic MR monitoring was also employed to evaluate treatment response. Major complications occurred in 3% of patients. Complete ablation was achieved in 92% of the patients and 94.4% of the lesions. Although this study was not controlled, the investigators suggested that the quality of visualization provided by MR may mean that patients will achieve complete ablation with fewer sessions using this modality that other imaging systems.
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