The Magnetic Resonance image Guided Radiation Therapy (MRgRT) suite consists of a full strength (1.5 T) open bore MR imaging device on rails that will move between a linear accelerator and a High Dose Rate (HDR) brachtherapy suite. MR imaging can be achieved at the time of intervention with minimum disruption to the patient and interventional team. In addition, the MRgRT suite will enable the development of small robotic devices and intraoperative human interfaces for directing the intervention within the MR. This unique suite represents a major infrastructure enhancement as it will overcome current limitations in contrast performance of present cone-beam CT systems which are a limiting factor in targeting precision. MR-guided localization, motion assessment, targeting and monitoring of disease and normal structures can be completed at an unprecedented level of precision and accuracy. The technological advancements that will be achieved in this suite–when developed in concert with clinician scientists–promise to advance the practice of surgery and radiation therapies.
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