[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]