Breast imaging with an ultra-low field MRI scanner: a pilot study
Sheng, S.; Koonjoo, N.; Longarino, F. K.; Lamb, L. R.; Villa Camacho, J. C.; Hornung, T. P. P.; Ogier, S. E.; Yan, S.; Bortfeld, T. R.; Saksena, M. A.; Keenan, K. E.; Rosen, M. S.
Show abstract
Breast cancer screening is necessary to reduce mortality due to undetected breast cancer. Current methods have limitations, and as a result many women forego regular screening. Magnetic resonance imaging (MRI) can overcome most of these limitations, but access to conventional MRI is not widely available for routine annual screening. Here, we used an MRI scanner operating at ultra-low field (ULF) to image the left breasts of 11 women (mean age, 35 years {+/-}13 years) in the prone position. Three breast radiologists reviewed the imaging and were able to discern the breast outline and distinguish fibroglandular tissue (FGT) from intramammary adipose tissue. Additionally, the expert readers agreed on their assessment of the breast tissue pattern including fatty, scattered FGT, heterogeneous FGT, and extreme FGT. This preliminary work demonstrates that ULF breast MRI is feasible and may be a potential option for comfortable, widely deployable, and low-cost breast cancer diagnosis and screening.
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