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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: J Magn Reson Imaging. 2011 Jul 12;34(3):585–594. doi: 10.1002/jmri.22713

Table 1.

Sequence parameters for imaging during the dynamic phase and extended time course (sequence 1) and flip angle optimization (sequence 2)

Sequence 1 Sequence 2
Parallel Imaging? no yes
Type of parallel imaging [acceleration factor] n/a ARC (25) [R=3.56]
main purpose dynamic phase & time course imaging flip angle optimization high resolution imaging
parameters to evaluate SNR, CNR CNRrel relative contrast-to-noise
sequence type 3D SPGR (LAVA) 3D SPGR (LAVA)
fat saturation periodic spectrally-selective partial inversion periodic spectrally-selective partial inversion
excitation axial slab excitation axial slab excitation
FA 15° 5° steps from 10°–45°
TR 4.1 ms 5.4–5.5 ms
TE 1.8 ms 2.1 ms
matrix 256 × 192 288 × 224
FOV 400 × 320 400 × 320
BW ±62.5 kHz ±62.5 kHz
slices 80 192
slice thickness 5 mm 2 mm
true spatial resolution 1.6 × 2.1 × 5 mm3 1.4 × 1.8 × 2.0 mm3
interpolated spatial resolution 0.8 × 0.8 × 2.5 mm3 0.8 × 0.8 × 1.0 mm3