Clifton R. Haider1, James F. Glockner1, Anthony W. Stanson1, Casey P. Johnson1, Stephen J. Riederer1
1Radiology, Mayo Clinic, Rochester, MN, USA
In imaging a transient phenomenon such as the passage of a contrast bolus, MR image formation benefits from being temporally compact. Improvements in parallel imaging can therefore improve the efficiency with which contrast is mapped to k-space and decrease the susceptibility of the sequence to temporal blurring and venous contamination. We hypothesize that improved coil configurations can allow for robust 12-fold SENSE-accelerated time-resolved 3D CE-MRA in the peripheral vasculature. We demonstrate high quality 1 mm isotropic resolution time-resolved MR angiograms of the lower legs generated with frame times under 4 sec and image acquisition times under 16 sec.