Abstract #3664
Rapid Isotropic Shoulder MRI using 3D SPACE with Incoherent Undersampling and Iterative Reconstruction
Esther Raithel 1 , Gaurav Thawait 2 , Shadpour Demehri 2 , Shivani Ahlawat 2 , Heiko Meyer 1 , Wesley Gilson 3 , and Jan Fritz 2
1
Healthcare Sector, Siemens AG, Erlangen,
Bavaria, Germany,
2
Russell
H. Morgan Department of Radiology and Radiological
Science, Johns Hopkins University School of Medicine,
Baltimore, MD, United States,
3
Siemens
Healthcare USA, Baltimore, MD, United States
High-spatial-resolution isotropic 3D MRI can eliminate
partial volume effects and enable multi-planar and
curved reconstructions, as well as interactive 3D
interpretation. In the shoulder, however, 3D MRI
requires time-consuming oversampling steps in phase and
slice encoding directions, which can result in
clinically impractical acquisition times. K-space
undersampling and iterative reconstruction is a method
that can yield substantial acceleration of 3D data
acquisition. We show the implementation of this method
into a comprehensive, 11 min clinical 3D SPACE protocol
that can produce similar image qualities as a 21 min
standard 2D TSE protocol.
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