Abstract #0559
Simultaneous acquisition of spatially-registered gray- and black-blood images of peripheral arteries with 3D double-echo steady-state (DESS) at 3T
Michael C Langham 1 , Benoit Desjardins 1 , Erin K Englund 1 , Emile R Mohler 2 , Thomas F Floyd 3 , and Felix W Wehrli 1
1
Radiology, University of Pennsylvania,
Philadelphia, Pennsylvania, United States,
2
Medicine,
University of Pennsylvania, Philadelphia, Pennsylvania,
United States,
3
Anesthesiology,
Stony Brook University Medical Center, Stony Brook, New
York, United States
We describe a new application of 3D double-echo
steady-state (DESS), allowing simultaneous acquisition
of spatially-registered gray and black blood images,
which have the potential to address several limitations
of MR angiography. 3D DESS was used to acquire gray and
black blood images of the femoropopliteal and
infra-popliteal arteries in healthy volunteers and
patients with peripheral artery (PAD). It is shown that
high-resolution dual-contrast structural 3D DESS is able
to provide detailed information on vessel wall
thickening, luminal geometry and calcification. Pairing
3D DESS with non-contrast MRA has the potential to
improve diagnosis of PAD.
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