Abstract #1467
Respiratory self-gating using 3D half-echo stack-of-stars TrueFISP (TrueSTAR)
Grzegorz Bauman 1 and Oliver Bieri 1
1
Division of Radiological Physics, Department
of Radiology, University of Basel Hospital, Basel,
Basel-Stadt, Switzerland
In this work we present a retrospective respiratory
self-gating technique for 3D radial hybrid
stack-of-stars half-echo balanced steady-state free
precession (bSSFP) sequence. The adapted radial bSSFP
sequence is based on golden angle projection reordering
scheme and half-echo readout. Application of very short
TR was beneficial in elimination of banding artifacts
known from standard bSSFP techniques, as well as for
improved visualization of pulmonary vessels and tissue.
We present in vivo application of the self-gated
reconstruction of lung images resulting in decreased
blurring and improved delineation of pulmonary
structures.
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