Keywords: Low-Field MRI, Low-Field MRI
Motivation: The quantity and cost limitations of clinical MRI scanners restrict the widespread availability of breast MRI in breast disease screening.
Goal(s): Our goal was to show it is possible to construct a portable breast MRI scanner for point-of-care scenarios.
Approach: A racetrack-shaped double-pole magnet was designed with the weight below 850 kg. Custom-built gradient coils, RF coils and active EMI strategy were integrated and tested on in vivo.
Results: In vivo breast images were acquired with 1.56×1.56×10 mm3 resolution in 4 minutes to show the applicability of the system for routine breast disease screening.
Impact: The constructed 50 mT portable breast MRI prototype has the potential to be used in early screening of breast disease in the future.
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