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Table 2: 3D contrast protocol
Name 3D TOF 3D MPRAGE Precontrast and Postcontrast^{^a} 3D T1WI SPACE/Cube/VISTA
Plaque feature Stenosis, ulceration, calcification Intraplaque hemorrhage Plaque burden and distribution, LRNC
Sequence^{^b} FFE/SPGR IR-TFE/SPGR TSE/FSE
Image mode 3D 3D 3D
Scan plane Axial Coronal Coronal
TR (ms) 24 15 1000
TE (ms) 4.6 Minimum 30
FOV (cm) 16 × 16 16 × 16 16 × 16
Resolution (mm²) 0.6 × 0.6 0.6 × 0.6 0.6 × 0.6
Slice thickness (mm) 1^{^c} 0.6 0.6
Blood suppression Saturation–veins None MSDE/FSD^{^d}
Special parameters Flip angle = 20° Flip angle = 15° Echo-train: variable
TI = 500 ms VFA T1
Turbo factor = 30, IRTR = 800 ms 
Fat suppression No Yes (water excitation) Yes
↵a Clinical CE-MRA per institutional protocol can be used before postcontrast sequence.
↵b Siemens/Philips/GE acronyms.
↵c Interpolated resolution.
↵d Pulse gating not required for any sequence.