Keywords: Multimodal, Multimodal, Low-Field MRI, PET, Ultrasounds
Motivation: Hybrid medical devices can enhance diagnostic and therapeutic applications but are typically costly, large and inaccessible.
Goal(s): To develop a trimodal MR-PET-FUS system utilizing low-field MRI for a more affordable, accessible solution.
Approach: We integrated a 72 mT Halbach MRI scanner with PET and FUS technologies. We worked with a cylindrical phantom containing a copper-sulphate solution, gelatin, and a radioactive tracer. The system uses PET and MRI for imaging and FUS for heating.
Results: We have achieved simultaneous MR-PET imaging and successfully heated the phantom with FUS, demonstrating low-field MRI compatibility in a trimodal setup.
Impact: We present the first low-field MRI-integrated trimodal MR-PET-FUS system, enabling affordable, accessible devices. Having demonstrated simultaneous MR-PET acquisition and FUS heating, this work opens the path for cost-effective, multimodal diagnostics and treatment applications.
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