Feasibility of using Magnetic Resonance-guided High Intensity Focused Ultrasound (MRgHIFU) to perform ablative and hyperthermia interventions in the neck area: A preliminary in vivo study.

This study presents preliminary in vivo results showing the feasibility of using Magnetic Resonance-guided High Intensity Focused Ultrasound (MRgHIFU) to perform ablative and hyperthermia interventions in the neck area. Six (6) experiments were performed for each intervention modality using an acute pig model. For hyperthermia, an automatic algorithm of the energy delivery was compared to an user-controlled approach for a 30-min delivery. The user-controlled approach was more successful to deliver a more controlled treatment. For the lesion experiments, a relatively high power (140W at 1.2 MHz) was required to induce 8-mm lesions in diameter.

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