OtherBRAIN
3D Time-Resolved Contrast-Enhanced Cerebrovascular MR Angiography with Subsecond Frame Update Times Using Radial k-Space Trajectories and Highly Constrained Projection Reconstruction
Y. Wu, N. Kim, F.R. Korosec, A. Turk, H.A. Rowley, O. Wieben, C.A. Mistretta and P.A. Turski
American Journal of Neuroradiology November 2007, 28 (10) 2001-2004; DOI: https://doi.org/10.3174/ajnr.A0772
Y. Wu
N. Kim
F.R. Korosec
A. Turk
H.A. Rowley
O. Wieben
C.A. Mistretta
Abstract
SUMMARY: HYPR TRICKS is an acquisition method that combines radial k-space trajectories, sampling k-space at different rates (TRICKS), and a new strategy for image reconstruction that uses highly constrained backprojection reconstruction (HYPR). This approach provides 3D time-resolved contrast-enhanced MR angiograms of the cerebral vessels with subsecond frame update times and submillimeter in-plane spatial resolution. Artifacts are suppressed, and signal-to-noise ratio is well maintained, by using HYPR reconstruction.
- Copyright © American Society of Neuroradiology
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3D Time-Resolved Contrast-Enhanced Cerebrovascular MR Angiography with Subsecond Frame Update Times Using Radial k-Space Trajectories and Highly Constrained Projection Reconstruction
Y. Wu, N. Kim, F.R. Korosec, A. Turk, H.A. Rowley, O. Wieben, C.A. Mistretta, P.A. Turski
American Journal of Neuroradiology Nov 2007, 28 (10) 2001-2004; DOI: 10.3174/ajnr.A0772
3D Time-Resolved Contrast-Enhanced Cerebrovascular MR Angiography with Subsecond Frame Update Times Using Radial k-Space Trajectories and Highly Constrained Projection Reconstruction
Y. Wu, N. Kim, F.R. Korosec, A. Turk, H.A. Rowley, O. Wieben, C.A. Mistretta, P.A. Turski
American Journal of Neuroradiology Nov 2007, 28 (10) 2001-2004; DOI: 10.3174/ajnr.A0772
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