Table 1. Magnetic resonance imaging pulse sequence parameters for whole-body scan.
MRI pulse sequence parameters for each acquisition of the whole-body PET/MRI scan.
Pulse Sequence Parameter | Localizers | Coronal thoracic LAVA | Axial thoracic T2-FSE PROPELLER | Axial low-resolution LAVA MRAC | Axial LAVA | Axial DWI |
---|---|---|---|---|---|---|
Acquisition time (min) | 1:45 | 0:16 | 5:48 | 0:18 | 0:16 | 1:47 |
TE (ms) | 80 | 1.1 | 119 | 1.7, 3.4 | 1.7, 3.4 | 56 |
TR (ms) | 1519 | 4.1 | 12500 | 4 | 4.2 | 7824 |
Matrix Size | 288 × 192 | 320 × 224 | 384 × 384 | 256 × 256 | 320 × 224 | 80×128 |
Slice Thickness (mm) | 10 | 3.4 | 4 | 5.2 | 3.4 | 8 |
FOV (cm) | (whole-body or head to mid-thigh coverage) | 46 | 48 | 50 | 48 | 40 |
Flip Angle (degrees) | - | 15 | 110 | 5 | 15 | 90 |
B-value (s/mm2) | - | - | - | - | - | 50, 600 |