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Abstract #2677

High Resolution T2-Weighted Imaging with Whole Brain Coverage at 7 Tesla Using Multiband Slice Accelerated Spin Echo

Dingxin Wang1, 2, Joseph Vu2, Essa S. Yacoub2, Kamil Ugurbil2, Vibhas Deshpande3

1Siemens Medical Solution USA, Inc., Minneapolis, MN, United States; 2Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States; 3Siemens Medical Solutions USA, Inc., Austin, TX, United States

Our study demonstrates the feasibility of using slice accelerated SE sequence for acquiring high resolution T2-weighted images with whole brain coverage (72 slices, 2mm thickness). The slice acceleration and SAR reduction are the keys to enable increased coverage of the T2-weighted image acquisition within a reasonable time (8 minutes).

Keywords

accelerated acceleration achieved acknowledge acquiring acquisition addition aliasing applied approximately artifact authors axial band bandwidth beneficial blurring brain calibration channel clinical coil combination comparable compromised compromising contrast coverage development diagnoses diseases duration durations enable enhanced even excitation excites executed extended feasibility field filtering foundation generally generated generating gradient grant gray greatly head healthy identical imposes improves included issues kept keys length lengthened limit limited long make matrix measured mechanisms medical minutes moreover neurological noise nova optimized orthogonal overcome parallel partial peak pixel positions potential potentially power practical prevent primary prolonging promising proposed pulse pulses quality reaching readout reasonable reasons recalled receive recent recently reduce reduced reduces reducing reduction refocusing residual resolution safety scanner shapes simple simultaneous simultaneously since slice slices slow solution solutions space spacing speed spin still strengths strong studies successfully support though tool train transmit turbo ultra unaccelerated utilized variable verse views visible volume volunteers waiting white whole wish