Table 3:

2D noncontrast protocol

Name	TOF MRA Localizer	Oblique T1WI Localizer	T1WI	T2WI	3D-TOF	MPRAGE
Plaque feature	Localize artery	Localize bifurcation	Plaque burden and distribution	LRNC	Stenosis, ulceration, calcification	Intraplaque hemorrhage
Sequence^{^a}	FFE/SPGR	TSE/FSE	TSE/FSE	TSE/FSE	FFE/SPGR	IR-TFE/IR-FSPGR
Image mode	2D	2D	2D	2D	3D	3D
Scan plane	Axial	Oblique	Axial	Axial	Axial	Axial
TR (ms)	25	2000	800	4800	24	13
TE (ms)	4	8	10	50	Minimum	Minimum
FOV (cm)	16 × 12	16 × 16	16 × 16	16 × 16	16 × 16	16 × 16
Resolution (mm²)	0.63 × 0.83	0.63 × 0.63	0.63 × 0.63	0.63 × 0.63	0.63 × 0.63	0.63 × 0.63
Slice thickness (mm)	2	2	2	2	2/−1	2/−1
No. of slices	32	6	16	16	40	40
Blood suppression	None	DIR	DIR	DIR	None^{^b}	None
Special parameters	Flip angle = 40°	Echo-train = 14; 3 slices/TR	Echo-train = 10;	Echo-train = 12; 8 slices/TR	Flip angle = 20°	Flip angle = 15°, turbo factor = 30, TI = 500 ms, IRTR = 800 ms
Fat suppression	No	Yes	Yes	Yes	No	Water excitation

Note:—DIR indicates double inversion recovery; FSPGR, fast-spoiled gradient recalled.
↵a Siemens/Philips/GE acronyms.
↵b Pulse gating not required for any sequence.