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Abstract #3191

Improved brain MR imaging from a compact, lightweight 3T scanner with high performance gradients.

Norbert Campeau1, Yunhong Shu1, Joshua D Trzasko1, Erin M Gray1, Thomas K.F. Foo2, Matt A Bernstein1, and John Huston1

1Mayo Clinic, Rochester, MN, United States, 2GE Global Research, Niskayuna, NY, United States

A compact, low-cryogen 3T MRI scanner with high-performance gradients capable of simultaneously achieving 80 mT/m and 700 T/m/s was compared to a 60-cm, whole body 3T system (50 mT/m, 200T/m/s) for 5 routine brain MR imaging sequences in 9 clinical patients, graded by two neuroradiologists. The compact 3T system performed equally well to a standard whole-body scanner in terms of motion artifacts, and performed better in terms of signal-to-noise ratio, lesion conspicuity, gray/white contrast, susceptibility artifacts and overall exam quality.

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