Table 2 MRI sequences for lumbar spine scan
Sequences for Philips MRI Scanner | ||||||
|---|---|---|---|---|---|---|
Body Region: Lumbar Spine, Patient Position: Supine, Patient Entry: Head First, Landmark on Trochanter | ||||||
Localizer | Sagittal T1 | Sagittal T2 | Axial T1 | Axial T2 | STIR | |
Landmark on Trochanter | Landmark on Trochanter | Landmark on Trochanter | Landmark on Trochanter | Landmark on Trochanter | Landmark on Trochanter | |
Name Anatomy Philips | Spine-lumbar | Spine-lumbar | Spine-lumbar | Spine-lumbar | Spine-lumbar | Spine-lumbar |
Sequence Name Philips | survey | T1W_TSE_SAG | T2W_TSE_SAG | T1W_TSE(2)_TRA | T2W_TSE(2)_TRA | STIR_longTE_SAG |
plane | ax/cor/sag | sag | sag | ax | ax | sag |
Scan time [min] | 0:28 | 02:32 | 02:12 | 02:59 | 03:23 | 03:13 |
stacks | 3 | 1 | 1 | 3 | 3 | 1 |
slices | 3 each | 9 | 9 | 5 | 5 | 9 |
Scan technique | FFE | SE | SE | SE | SE | IR |
Fast imaging mode | none | TSE | TSE | TSE | TSE | TSE |
(EPI/Turbo) Factor | 5 | 21 | 4 | 18 | 17 | |
TE [ms] | 3.9 | 8 | 120 | 8 | 120 | 80 |
TR [ms] | 23 | 380 | 2825 | 325 | 3500 | 3400 |
TI [ms] | - | - | - | - | - | 165 |
Flip angle [deg] | 45 | 90 | 90 | 90 | 90 | - |
FOV [mm] | 400 | 160 | 160 | 200 | 200 | 160 |
Scan [%] | 74.6 | 72.3 | 72,7 | 77.7 | 76 | 70.5 |
Scan matrix | 268 x 200 | 176 x 240 | 176 x 241 | 224 x 174 | 224 x 171 | 176 x 238 |
Slice thickness | 10 | 4 | 4 | 4 | 4 | 4 |
Slice gap | user defined | default | default | default | default | user defined |
NSA / NEX | 2 | 4 | 4 | 6 | 6 | 4 |
Bandwidth [Hz/pixel] | 285.9 | 196.6 | 324,7 | 198.4 | 139.9 | 297.1 |