Aidin Arbabi1 and David G Norris1
1Donders Institute, Radboud University, Nijmegen, Netherlands
1Donders Institute, Radboud University, Nijmegen, Netherlands
High quality imaging at 3T with half-Fourier acquisition single-shot turbo spin-echo diffusion-weighted with smooth transition between pseudo-steady states pulse sequence, characterized by a low specific absorption rate and no sensitivity loss.
Figure 1. Refocusing radio frequency pulse scheme for TRAPS HASTE DW: Central k-space lines (30 lines, including preparing echoes shown by the red color) are sampled with nominal 180° flip angles, followed by a smooth ramp of 6 echoes (TRAPS). All other refocusing pulses have a low fixed nutation angle. Horizontal axis shows the number of echoes collected for the protocol used in this study.
Figure 3. Example coronal slices from TRAPS HASTE DW in a healthy female subject at 3T: (left) T2-weighted (b0), (middle) diffusion-weighted (b = 1000 s/mm2), and (right) trace apparent diffusion coefficient (ADC) maps. Background noise has been masked from ADC maps.
