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Abstract #3356

Free-Breathing Abdominal B1 Mapping at 3T Using the DREAM Approach

Kay Nehrke1, Peter Brnert1

1Philips Research Laboratories, Hamburg, Germany

In the present work a new B1 mapping approach dubbed DREAM (Dual Refocusing Echo Acquisition Mode) is proposed for free-breathing abdominal B1 mapping.

Keywords

abdomen abdominal according acquisition actual anterior appropriate approx best black body breathing calibration cardiac channel chosen clarity coil combined conductivity contrast controlling cording crosses cycle decay delay dependent derived dielectric displacements dream driven dual dubbed duration dynamic easily echoes eight employed employs encoding equipped expiration extended fast field fields five frames free freeze gating gradient gram hamburg healthy helms hence homogeneity ideally in vivo indicate indicated induction influencing initial inspiration institution laboratories lands liver lookup magnitude making mapping maps masking matrix minimize mode motion navigator navigators necessary nether nevertheless nominal parallel patients plot position potential potentially preparation profile profiles proposed pulse quadrature rapid real recalled reception refocused refocusing representing required resolution respiratory scheme selected selection series serve settings shim shot shots simple slice slow smoothing spatial spoiler startup steam stimulated stored strengths structures studies superior symbols synchronization system systems table tailored temporal theory threshold timing trading train transmission transmit typically volunteers whole written