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Abstract #0349

Benefits and Challenges of Spiral MRI in Routine Clinical Brain Imaging: Early Results

Melvyn B Ooi1, Zhiqiang Li2, Dinghui Wang2, Ryan K Robison3, Nick R Zwart2, Ashley G Anderson1, Akshay Bakhru4, Tanya Mathews4, Suthambhara Nagaraj4, Silke Hey5, Jos Koonen5, Ad Moerland5, Jonathan Chia1, Ivan Dimitrov1, Harry Friel1, Makoto Obara6, Indrajit Saha7, Yi Wang1, Yansong Zhao1, Harry H Hu8, Amber Pokorney3, Marco Pinho9, Osamu Togao10, Tom Chenevert11, Ashok Srinivasan11, Juan E Small12, Mara M Kunst12, Rakesh Kumar Gupta13, Jalal B Andre14, Nandor K Pinter15, Jeffrey H Miller3, and James G Pipe2

1Philips Healthcare, Gainesville, FL, United States, 2Barrow Neurological Institute, Phoenix, AZ, United States, 3Phoenix Children’s Hospital, Phoenix, AZ, United States, 4Philips Innovation Campus, Bangalore, India, 5Philips Healthcare, Best, Netherlands, 6Philips Healthcare, Tokyo, Japan, 7Philips Healthcare, Gurgaon, India, 8Nationwide Children’s Hospital, Columbus, OH, United States, 9University of Texas Southwestern Medical Center, Dallas, TX, United States, 10Kyushu University Hospital, Fukuoka, Japan, 11University of Michigan, Ann Arbor, MI, United States, 12Lahey Hospital & Medical Center, Burlington, MA, United States, 13Fortis Memorial Research Institute, Gurgaon, India, 14University of Washington, Seattle, WA, United States, 15Dent Neurologic Institute, Amherst, NY, United States

Spiral MRI possesses several advantages vs. Cartesian MRI, due to differences in their k-space trajectories and underlying MR physics, which can be leveraged for added value in routine clinical imaging. A Spiral Neuroimaging Cooperative, consisting of nine clinical sites, was formed for the multi-center evaluation of spiral MRI as an alternative to Cartesian MRI in routine clinical imaging. Post-contrast brain spiral 2DT1SE were compared with Cartesian 2DT1SE or TSE. Spirals demonstrated faster scanning with consistent flow artifact reduction vs. both Cartesian options, and superior overall image quality (T1 contrast, lesion visualization) vs. TSE.

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