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Abstract #2292

Spatial Selection by Signal Spoiling with a 3 Channel Flat Gradient Coil

MAGNA25Walter R.T. Witschey1, 2, Sebastian Littin3, Daniel Gallichan3, Christian A. Cocosco3, Anna Masako Welz3, Hans Weber3, Gerrit Schultz3, Andrew Dewdney3, Felix Wehrli1, Juergen Hennig3, Maxim Zaitsev4

1Department of Radiology, University of Pennsylvania, Philadelphia, PA, United States; 2Department of Surgery, University of Pennsylvania, Philadelphia, PA, United States; 3Department of Radiology, University Medical Center Freiburg, Freiburg, Germany; 4Department of Radiology, University Medical Center Freiburg, Freiburg, United States

Spatial selection is achieved by spoiling the MR signal at the boundaries of anatomical shapes. This controlled spoiling is achieved here using a new 3-channel, flat gradient coil integrated with the patient table.

Keywords

achieved acquisition acquisitions additional adjusting adult allow anatomic anatomy anticipate applied approved array artifacts attenuation available band body boundaries boundary caudal cavity challenges channel channels chest choosing cine coil constant containing controlled coordinate coronal corresponds custom cylinder deconvolution depicting description desired device diameter dimension distal echoes education efficacy elliptic enables encoding encountered excitation fast federal field fields filter flat foot frequency generated geometry gradient gradients grant head human in vivo increasing indicating integrated interfaced known linear localization localized located made matrix maxim medical ministry moment narrow nearly nerve noise nonlinear orthogonal overlaid part patient performance peripheral phantom pixel pixels posterior power predominantly preparation prevent previously profile profiles prolonged proportional pulse pulses radiology readout rectangular refocusing reported required requires resolution rewinder ripple safety selection selective shape shapes simple slice soon space spatial spatially spoiling superimposed supported surface system table target torso trajectory transition tubes unsuitable useful variation view views volume weber width window zoomed