Intra- and Extracranial MR Venography: Technical Notes, Clinical Application, and Imaging Development

Table 1

Technical parameters for MRV two-tier protocol, with (a) and without (b) contrast administration.

(a)

	4D TRAK	2D PC neck
TRTI	4.5	10
TE	1.61	6.2
Matrix	428 × 217	120 × 84
Acquisition voxel	0.72/0.72	1.00/1.43/5.00
Reconstruction voxel	0.55/0.55/0.60	0.47/0.47/5.00
Number of slices	120	1
NSA		2
PC/VENC (cm/s)	/	50
WFS (Pix)/BW (Hz)	0.502/432.7	1.134/191.6
SENSE (PAT)	RL 2.5	/
Acquisition time (min)	0:57	2:49 (2x)

(b)

	3D PC brain	2D TOF neck	2D PC neck
TRTI	20	17	10
TE	5.5	3.3	6.2
Matrix	232 × 220	224 × 224	120 × 84
Acquisition voxel	0.99/1.04/4.0	0.89/0.89/3	1.00/1.43/5.00
Reconstruction voxel	0.9/0.9/2.0	0.39/0.39/3	0.47/0.47/5.00
Number of slices	80	110	1
NSA	1	1	2
PC/VENC (cm/s)	15	/	50
WFS (Pix)/BW (Hz)	1.145/189.7	1.270/171.0	1.134/191.6
SENSE (PAT)	AP 1.5	/	/
Acquisition time	7:50	7:25	2:49 (2x)