Conclusions
Because of its unique real-time capability, US has been recognized as the optimal imaging modality with which to guide the placement of the needle-electrode of the RFA device. The most accurate placement of the RFA device is achieved during laparotomy with sufficient exposure of the area of the liver to be treated. While US-guided RFA of small lesions (less than 2 cm) usually poses no technical difficulty as far as ensuring that the entire lesion has been heated to a sufficient temperature, there is still room for improvement of the RF devices and possibly of the US guidance technique in making 100% certain that the ablation of a large and irregular mass is complete. Considerable experience in both general and interventional (including intraoperative) US and a thorough understanding of the thermodynamics of RFA are prerequisites for a successful liver tumor RFA program, that is, one with a low recurrence rate.
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Fornage, B.D., Ellis, L.M. (2004). Sonographic Guidance for Radiofrequency Ablation of Liver Tumors. In: Radiofrequency Ablation for Cancer. Springer, New York, NY. https://doi.org/10.1007/0-387-21598-0_15
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DOI: https://doi.org/10.1007/0-387-21598-0_15
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