Abstract #4048
Clinical feasibility of motion compensation for MR-based thermometry for treatment in the head and neck region using magnetic resonance-guided focused ultrasound
Samuel Pichardo 1,2 , Justin Lee 3 , and Kullervo Hynynen 4
1
Thunder Bay Regional Research Institute,
Thunder Bay, ON, Canada,
2
Electrical
Engineering & Physics, Lakehead University, Thunder Bay,
Ontario, Canada,
3
Odette
Cancer Centre, Toronto, Ontario, Canada,
4
Physical
Sciences, Sunnybrook Research Institute, Toronto,
Ontario, Canada
We propose to use Magnetic resonance image (MRI) guided
high intensity focused ultrasound (MRgHIFU) as an
adjuvant therapy to radio-therapy for the treatment of
recurrent head and neck tumours. A previous pre-clinical
study using a porcine model showed the importance of
artifacts in MR-based temperature calculation and a
method was developed and tested to compensate this
source of noise. This paper presents the first results
of using this method in a clinic context with patients
with primary cancer in the neck area.
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