Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2022 Jul 1.

Published in final edited form as: J Magn Reson Imaging. 2021 Feb 15;54(1):166–174. doi: 10.1002/jmri.27550

Table 1.

Relevant imaging parameters for the three VWI sequences.

	Whole-brain VWI	Targeted VWI	Single-slice 2D TSE
Resolution (mm²)	0.53×0.53	0.53×0.53	0.53×0.53
Slice thickness (mm)	0.53	0.53	2
Repetition time /echo time (ms)	900/15	900/30	800/12
Parallel imaging GRAPPA factor	2	2	N/A
Receiver bandwidth (Hz/Pixel)	446	446	411
Echo spacing (ms)	4.92	4.92	11.5
Slice partial Fourier	6/8	Off	N/A
Field of view (mm³)	170×170×128	170×170×34	136×170
Echo train length	52	26	9
Signal averages	1	2	4
Orientation	Sagittal	Oblique coronal	Cross-sectional
Scan time (min:sec)	8:10	8:3	1:36

Note: Highlighted in bold are the parameters matched between the two 3D VWI sequences. VWI = vessel wall imaging; TSE = turbo spin-echo; GRAPPA = generalized autocalibrating partial parallel acquisition.