Abstract #2506
Compressed sensing accelerated broadband 3D phase encoded turbo spin-echo imaging for geometrically undistorted imaging in the presence of field inhomogeneities
Jetse van Gorp 1 , Chris Bakker 1,2 , Job Bouwman 1 , Jouke Smink 3 , Frank Zijlstra 1 , and Peter Seevinck 1
1
Image Sciences Institute, University Medical
Center Utrecht, Utrecht, Utrecht, Netherlands,
2
Department
of Radiology, University Medical Center Utrecht,
Utrecht, Utrecht, Netherlands,
3
Philips,
Best, Noord-Brabant, Netherlands
In this work a compressed sensing (CS) accelerated 3D
phase encoded turbo-spin echo (3D-PE-TSE) sequence was
used to obtain geometrically undistorted images in the
presence of titanium in a clinically acceptable time
frame (<10min). By ordering the acquired echos in
spherical layers with an equal number of sampling points
it was possible to combine TSE and CS acceleration to
achieve a factor 60 scan time acceleration compared to a
3D-PE-SE scan. Phantom and in vivo results confirm that
the presented method can be used for investigations
where spatial accuracy is required.
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