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Abstract #0714

Sodium MRI on Human Brain at 7T with 15-Channel Array Coil

Yongxian Qian1, Tiejun Zhao2, Graham C. Wiggins3, Lawrence L. Wald4, Hai Zheng5, Jonathan Weimer5, Fernando E. Boada1, 5

1Radiology, University of Pittsburgh, Pittsburgh, PA, United States; 2R&D, Siemens Medical Solutions USA, Pittsburgh, PA, United States; 3Radiology, New York University, New York, United States; 4Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States; 5Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States

Phased array coils have been shown significantly improving SNR in proton imaging over volume coils. This study investigates SNR advantage of a 15-channel array head coil (birdcage volume coil for transmit/receive and 15-channel array insert for receive-only) in sodium imaging at 7T.

Keywords

ability acquisition actual additional adult advantage aged amplitude anatomical approved array bioengineering biomedical birdcage blank board body brain brains built calculation central channel channels circular coil coils collection column combined correlation customer dashed deep described details entire exactly example expected extending extra field five fluid fully general gradient graham head healthy helpful hospital human implemented improved improvement insert inside institutional intended isotropic lateral matrix measured medical modes noise nominal overall parallel peripheral pixel position procedures process profiles proposed protocol proton pulse radiology rapid receive receiving reconstruction rectangular reduction resolution review rings scanned scanner sense separately shimming significantly slew slices sodium solutions spatial spatially subjects taken transmit variation varying ventricle visualization volume whole window years