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Real shear modulus maps for Phantom 2 (see fig 5) actuated at 1 Hz using 3D or 4D acquisition. Image is based solely on stiffness, not relaxation. Top: 3D acquisition Bottom: 4D Acquisition. Voxel size 3 mm × 3mm × 3mm, total slices = 24 (21 shown), NSA = 1, 3D acquire time = 3083 secs, 4D acquire time = 1366 secs.
