[one_full last=”yes” spacing=”yes” center_content=”no” hide_on_mobile=”no” background_color=”” background_image=”” background_repeat=”no-repeat” background_position=”left top” hover_type=”none” link=”” border_position=”all” border_size=”0px” border_color=”” border_style=”” padding=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”” animation_speed=”0.1″ animation_offset=”” class=”” id=””][title size=”1″ content_align=”left” style_type=”double solid” sep_color=”#118fab” margin_top=”” margin_bottom=”” class=”” id=””]MR Imaging Protocol[/title][fusion_text]

Sequence

TE TR Flip FOV Matrix Slice Thickness (mm) Slice Gap (mm) b-value NEX Options Acquisition time (min:sec)
Sagital T1 localizer 14 500 200X400 192X256 5 1.5 1 1:37
Axial FSE T2 102 6000 200X400 (.75) 256X320 5 1 2 3:13
Axial FLAIR  120 10,000 TI=2200 200X00 192X256 5 1 1 4:40
Coronal oblique T2 FSE 102 6000 200X200 (.75) 224X320 4 1 3 3:42
Coronal oblique FLAIR 120 10,000 TI=2200 200X200 192X256 4 1 1 4:40
Coronal SPGR volumetric dataset 8 30 35 200X200 160X256 1.5 0 1 10:18
Axial DWI 72.9 7500 400X200 256X128 5 1 1000 s/mm2 1 EPI 2:38
Axial Susceptibility GRE (Optional) 25 750 20 200X200 (.75) 192X256 5 1 2 3:41
Single Voxel Spectroscopy 144 1500 200X400 8

[/fusion_text][separator style_type=”none” top_margin=”10″ bottom_margin=”10″ sep_color=”” border_size=”” icon=”” icon_circle=”” icon_circle_color=”” width=”” alignment=”center” class=”” id=””][fusion_text]Abbreviations:

DWI = Diffusion Weighted Imaging
FLAIR = Fluid Attenuated Inversion Recovery
Flip = Flip angle for gradient echo
FOV = Field of View
FSE = Fast Spin Echo
GRE = Gradient Echo
Matrix = Number of pixels in x and y direction
SPGR = Spoiled gradient recalled echo
TE = Echo Time
TI = Inversion time
TR = Repetition TimeTE

 

Note: These parameters are customized for use on scanners at MGH but may not be optimal at other sites. No assurances are expressed or implied.[/fusion_text][/one_full]