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Abstract #3357

Comparison of Time-Resolved 3D Contrast-Enhanced MR Angiography on a Compact 3T Scanner with a Whole-Body 3T Scanner

Eric G. Stinson1, Joshua D. Trzasko1, Erin M. Gray1, Eric A. Borisch1, Jeffrey L. Gunter1, Norbert G. Campeau1, Matt A. Bernstein1, John Huston III1, and Stephen J. Riederer1

1Radiology, Mayo Clinic, Rochester, MN, United States

High spatiotemporal resolution contrast-enhanced MR angiography of the whole brain was performed on a compact 3T system with a 32 channel RF coil and compared to a spatial-resolution-matched study on a 60 cm bore whole-body 3T scanner. The quality of images from both scanners was excellent. Higher temporal resolution (4.18 s vs 5.75 s) on the compact 3T scanner was enabled by high performance gradients and increased PNS limits compared to the whole-body scanner.

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