A contrast-enhanced MRA protocol with Ultrashort Time-to-Echo (UTE) was optimized on phantoms covering a range of ferumoxytol concentrations for abdominal imaging. This approach produces images with high SNR (~ 4166) at clinical concentrations. The protocol was applied in vivo to human subjects for abdominal vascular imaging. Acquired human images demonstrated great delineation of central and peripheral vessels in the liver, kidneys and other abdominal organs. The combination of an optimized UTE sequence and the blood-pool kinetics of ferumoxytol enables high-resolution vascular imaging across the entire abdomen with maximized image quality. This technique could potentially aid in characterization of vascular diseases.
This abstract and the presentation materials are available to members only; a login is required.