Table 2:

Image-acquisition parameters

Sequence Type	Synthetic PSIR	Conventional PSIR	MPRAGE	FLAIR
Acquisition plane	2D axial	2D axial	3D sagittal	3D sagittal
Matrix	256 × 204	256 × 204	256 × 256	256 × 256
In-plane resolution (mm)	0.9 × 0.9	0.9 × 0.9	1.0 × 1.0	1.0 × 1.0
Slices (No.)	34	34	176	160
Slice thickness (mm)	3.0	3.0	1.0	1.0
Distance factor	0.5	0.5	–	–
Flip angle	120°	120°	9°	120°, T2 variable
TR (ms)	4820^{^a} (6000^{^b})	6000	2300	6000
TE (ms)	22/100^{^a} (10^{^b})	10	2.98	388
TI (ms)	150/580/2000/4130^{^a} (500^{^b})	500	900	2100
Acquisition time (min:sec)	7:47	3:32	5:15	7:02

Note:—TR indicates repetition time; TE, echo time; TI, inversion time.
↵a Synthetic MRI is based on a single quantitative acquisition that is then used to generate synthetic images post hoc.
↵b Settings for the generation of synthetic PSIR are in parentheses.