Abstract #3705
The comprehensive contrast-enhanced neuro exam
R. Marc Lebel 1,2 , Yi Guo 3 , Yinghua Zhu 3 , Sajan Goud Lingala 3 , Richard Frayne 2 , Linda B Andersen 2 , Jacob Easaw 4 , and Krishna S Nayak 3
1
GE Healthcare, Calgary, Alberta, Canada,
2
Radiology,
University of Calgary, Calgary, Alberta, Canada,
3
Electrical
Engineering, University of Southern California, Los
Angeles, California, United States,
4
Oncology,
University of Calgary, Calgary, Alberta, Canada
We describe the use of sparse data sampling and
constrained iterative reconstruction to provide a
comprehensive contrast-enhanced brain exam. Data
acquisition is performed with a 3D Cartesian radial
trajectory that is amenable to retrospective definition
of the temporal resolution. Multiple image
reconstructions are performed to obtain all salient
pieces of information desired from a contrast enhanced
brain exam. We demonstrate that pre- and post-contrast
anatomical T1-weighted images, dynamic angiography,
quantitative permeability mapping, and quantitative
perfusion mapping can all be achieved simultaneously -
with high spatial resolution and full brain coverage.
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