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Abstract #5451

High Resolution Volume Of Interest Acquisition With 3D Gradient Echo Sequence Using Reduced FOV 2D-RF Excitation Pulse.

Malek I MAKKI1,2

1MRI Research, University Children Hospital, Zurich, Switzerland, 2BioFlow, University Picardie Jules Verne, Amiens, France

We designed high spatio-temporal resolution imaging sequence by reducing the excited 3D volume to the object of interest in the slab. A fast spoiled gradient recalled echo acquisition sequence was modified by incorporating spiral selective 2DRF excitation in 2 perpendicular gradients. Three different combinations of slice-select gradient axis (XY, YZ, and XZ) were tested simultaneously in axial, coronal and sagittal prescription planes and different imaging parameters to define the best scheme that provides extremely high resolution spatial imaging, with low SAR and minimum artefact on clinically available scanner.

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