MR guided focused ultrasound (MRgFUS) is a non-invasive technique to create very precise lesions deep within the brain. It is one of many tools used in neurosurgery to treat essential tremor. The other most common technique is deep brain stimulation.
MRgFUS is a technique which uses high intensity focused ultrasound energy waves to heat up a precise target in the brain, creating a permanent lesion. MRgFUS uses a dedicated device to focus the energy from over 1000 ultrasound sources. The ultrasound is applied while the patient is in an MRI machine, so that we can precisely monitor and confirm where the energy is being delivered. The process is safe and has few side effects. It does not require any implants, long-term maintenance, programming, or battery replacements.
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