Seizures Brain 1.5T
Philips Healthcare – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- • Change patient into hospital issued gown and pants
• 20- to 22-gauge IV access preferred - Position
- Supine, head first
- Coil
- 15 channel head coil
- Landmark
- Glabella
- Comments
- The Coronal T2 FLAIR and T2 sequences should be acquired perpendicular to the plane of the hippocampus
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg | Hand inject | |||||||
| Saline Flush | 10 mL | Hand inject | |||||||
| Comments | The Coronal T2 FLAIR and T2 sequences should be acquired perpendicular to the plane of the hippocampus | ||||||||
Info Page
| Scan Description | Survey Brain |
SAGITTAL 3D T1 |
SAGITTAL 3D T2 FLAIR |
CORONAL T2 Hipp |
CORONAL T2 FLAIR Hipp |
SWIp Fast |
Source DTI |
SAGITTAL 3D T1 +C |
AXIAL T1 +C Fat Sat |
|---|---|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | |
| Total scan duration | 00:31.4 | 03:42.8 | 05:21.6 | 01:23.0 | 03:51.0 | 02:10.9 | 02:08.4 | 03:42.8 | 02:57.2 |
| Rel. SNR | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Act. TR (ms) | — | — | — | 3953 | — | — | 7135 | — | 720 |
| Act. TR/TI (ms) | — | — | 4800 / 1660 | — | 11000 / 2800 | — | — | — | — |
| Act. TR/TE (ms) | 15 / 5.2 | 25 / 4.6 | — | — | — | — | — | 25 / 4.6 | — |
| Act. TR/TE1/delta TE (ms) | — | — | — | — | — | 52 / 12 / 11.0 | — | — | — |
| Act. TE (ms) | — | — | 315 | 90 | 140 | — | 74 | — | 20 |
| ACQ matrix M x P | 256 x 126 | 252 x 250 | 228 x 227 | 320 x 252 | 200 x 152 | 260 x 179 | 112 x 111 | 252 x 250 | 244 x 196 |
| ACQ voxel MPS (mm) | 0.98 / 1.98 / 10.0 | 0.99 / 1.00 / 1.00 | 1.10 / 1.10 / 1.12 | 0.56 / 0.71 / 3.00 | 0.90 / 1.18 / 3.00 | 0.85 / 1.00 / 4.00 | 2.00 / 2.02 / 3.00 | 0.99 / 1.00 / 1.00 | 0.90 / 0.94 / 3.00 |
| REC voxel MPS (mm) | 0.98 / 0.98 / 10.0 | 0.49 / 0.49 / 1.00 | 0.65 / 0.65 / 0.56 | 0.45 / 0.45 / 3.00 | 0.80 / 0.80 / 3.00 | 0.39 / 0.39 / 2.00 | 1.00 / 1.00 / 3.00 | 0.49 / 0.49 / 1.00 | 0.43 / 0.43 / 3.00 |
| Scan percentage (%) | 49 | 99 | 100 | 79 | 76 | 84 | 99 | 99 | 96 |
| Packages | — | — | — | 1 | 3 | — | 1 | — | 6 |
| Min. slice gap (mm) | — | — | — | 0 | 3 | — | 0 | — | 3 |
| Act. slice gap (mm) | — | 0 | -0.6 | 0.3 | — | -2 | — | 0 | — |
| Optimal slices | — | — | — | — | 30 | — | — | — | 16 |
| Max. slices | — | — | — | — | 45 | — | — | — | — |
| Act. WFS (pix) / BW (Hz) | — | 1.511 / 143.8 | — | — | — | 1.617 / 134.3 | — | 1.511 / 143.8 | — |
| Min. WFS (pix) / Max. BW (Hz) | — | 0.236 / 918.5 | — | — | — | 0.506 / 429.3 | — | 0.236 / 918.5 | — |
| Min. TR/TE1/delta TE (ms) | — | — | — | — | — | 51 / 8.7 / 9.5 | — | — | — |
| EPI factor | — | — | — | — | — | — | 111 | — | — |
| WFS (pix) / BW (Hz) | — | — | 0.250 / 870.2 | 0.795 / 273.2 | 0.858 / 253.0 | — | 20.096 / 10.8 | — | 0.390 / 556.8 |
| BW in EPI freq. dir. (Hz) | — | — | — | — | — | — | 1580.1 | — | — |
| TSE es / shot (ms) | — | — | 3.2 / 602 | 10.0 / 170 | 6.5 / 274 | — | — | — | 4.3 / 35 |
| TEeff / TEequiv (ms) | — | — | 315 / 139 | — | 140 / 105 | — | — | — | — |
| Min. TR (ms) | — | — | — | — | — | — | — | — | 720 |
| Min. TR/TI (ms) | — | — | 2409 / 50 | — | 7405 / 50 | — | — | — | — |
| TFE shots | 3 | — | — | — | — | — | — | — | — |
| TFE dur. shot / acq (ms) | 698.5 / 630.0 | — | — | — | — | — | — | — | — |
| TFE shot interval (ms) | 698.5 | — | — | — | — | — | — | — | — |
| Min. TI delay | 373.6 | — | — | — | — | — | — | — | — |
| Act. WFS (pix) / BW (Hz) | 1.161 / 187.1 | — | — | — | — | — | — | — | — |
| Min. WFS (pix) / Max. BW (Hz) | 0.525 / 413.8 | — | — | — | — | — | — | — | — |
| Min. TR/TE (ms) | 10 / 5.2 | 9.9 / 3.8 | — | — | — | — | — | 9.9 / 3.8 | — |
| Local torso SAR | < 6 % | < 8 % | < 6 % | < 91 % | < 22 % | < 2 % | < 11 % | < 8 % | < 75 % |
| Whole body SAR / level | < 0.2 W/kg / normal | < 0.2 W/kg / normal | < 0.2 W/kg / normal | < 2.3 W/kg / 1st level | < 0.6 W/kg / normal | 0.0 W/kg / normal | < 0.3 W/kg / normal | < 0.2 W/kg / normal | < 1.9 W/kg / normal |
| SED | 0.0 kJ/kg | 0.0 kJ/kg | 0.0 kJ/kg | < 0.2 kJ/kg | < 0.1 kJ/kg | 0.0 kJ/kg | 0.0 kJ/kg | 0.0 kJ/kg | < 0.3 kJ/kg |
| Max B1+rms | 1.05 uT | 1.19 uT | 1.10 uT | 4.04 uT | 2.09 uT | 0.59 uT | 1.39 uT | 1.19 uT | 3.67 uT |
| PNS / level | 17 % / normal | 59 % / normal | 71 % / normal | 42 % / normal | 44 % / normal | 27 % / normal | 60 % / normal | 59 % / normal | 60 % / normal |
| dB/dt | 12.8 T/s | 56.3 T/s | 55.8 T/s | 41.4 T/s | 40.0 T/s | 12.8 T/s | 56.4 T/s | 56.3 T/s | 80.8 T/s |
| Sound Pressure Level (dB) | -3.8 | 11.1 | 18.1 | 10.2 | 11.8 | 1.7 | 10.1 | 11.1 | 13.6 |
Geometry
| Scan Description | Survey Brain |
SAGITTAL 3D T1 |
SAGITTAL 3D T2 FLAIR |
CORONAL T2 Hipp |
CORONAL T2 FLAIR Hipp |
SWIp Fast |
Source DTI |
SAGITTAL 3D T1 +C |
AXIAL T1 +C Fat Sat |
|---|---|---|---|---|---|---|---|---|---|
| SmartSelect | yes | yes | yes | yes | yes | yes | yes | yes | yes |
| Uniformity | — | CLEAR | CLEAR | CLEAR | CLEAR | CLEAR | CLEAR | CLEAR | CLEAR |
| FOV AP (mm) | 250 | 250 | 250 | 72 | 175 | 220 | 224 | 250 | 220 |
| FOV (mm) | (3) 50, (17) 10 | — | — | — | — | — | — | — | — |
| FOV FH (mm) | 250 | 250 | 250 | 180 | 180 | 150 | 150 | 250 | 144 |
| FOV RL (mm) | — | 185 | 180 | 180 | 180 | 179 | 224 | 185 | 184 |
| ACQ voxel size AP (mm) | 2 | 1 | 1.1 | — | — | 0.9 | 2 | 1 | 0.9 |
| ACQ voxel size FH (mm) | 1 | 1 | 1.1 | 0.6 | 0.9 | 4 | — | 1 | — |
| ACQ voxel size RL (mm) | — | 1 | 1.1 | 0.7 | 1.1 | 1 | 2 | 1 | 0.9 |
| Slice thickness (mm) | 10 | — | — | 3 | 3 | — | 3 | — | 3 |
| Bar orientation | RL | — | — | — | — | — | — | — | — |
| VOI orientation | transverse | — | — | — | — | — | — | — | — |
| VOI size AP (mm) | 30 | — | — | — | — | — | — | — | — |
| VOI size FH (mm) | 30 | — | — | — | — | — | — | — | — |
| VOI size RL (mm) | 30 | — | — | — | — | — | — | — | — |
| Recon voxel size AP (mm) | 1 | 0.5 | 0.7 | — | — | 0.4 | 1 | 0.5 | 0.4 |
| Recon voxel size FH (mm) | 1 | 0.5 | 0.7 | 0.4 | 0.8 | 2 | — | 0.5 | — |
| Recon voxel size RL (mm) | — | 1 | 0.6 | 0.4 | 0.8 | 0.4 | 1 | 1 | 0.4 |
| Fold-over suppression | no | no | no | no | oversampling | no | no | no | no |
| A (mm) | 50 | — | — | — | — | — | — | — | — |
| L (mm) | — | — | — | — | 20 | — | — | — | — |
| P (mm) | 50 | — | — | — | — | — | — | — | — |
| R (mm) | — | — | — | — | 20 | — | — | — | — |
| Slice oversampling | — | default | user defined | — | — | default | — | default | — |
| oversample factor | — | — | 1 | — | — | — | — | — | — |
| ENCASE enable | — | no | — | — | — | no | — | no | — |
| Reconstruction matrix | 256 | 512 | 384 | 400 | 224 | 560 | 224 | 512 | 512 |
| SENSE | no | no | no | no | no | no | no | no | no |
| CS-SENSE | no | yes | yes | yes | yes | yes | no | yes | yes |
| reduction | — | 6 | 5 | 1.5 | 1.5 | 3 | — | 6 | 1.3 |
| denoising | — | system default | system default | system default | system default | system default | — | system default | system default |
| k-t Acceleration | no | no | no | no | no | no | no | no | no |
| Stacks | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| type | (20) parallel | — | — | parallel | parallel | — | parallel | — | parallel |
| Slices | (3) 3, (17) 1 | 185 | 321 | 22 | 44 | 75 | 50 | 185 | 48 |
| slice gap | user defined | — | — | default | user defined | — | user defined | — | user defined |
| gap (mm) | (20) 10 | — | — | — | 1 | — | 0 | — | 0 |
| Slice orientation | sagittal, coronal, (18) transverse | sagittal | sagittal | coronal | coronal | — | transverse | sagittal | transverse |
| Fold-over direction | AP, (19) RL | AP | AP | RL | RL | transverse | AP | AP | RL |
| Fat shift direction | (2) F, (18) P | F | F | F | F | RL | P | F | P |
| radial axis | AP, RL, AP, (17) RL | — | — | — | — | P | — | — | — |
| radial angle (deg) | (20) 0 | — | — | — | — | — | — | — | — |
| Multi-chunk | — | no | no | — | — | no | — | no | — |
| Minimum number of Packages | — | — | — | 1 | 3 | — | 1 | — | 1 |
| Slice scan order | default | — | — | default | default | — | default | — | default |
| Stack scan order | ascend | — | — | — | — | — | — | — | — |
| O-MAR | — | — | no | no | no | — | — | — | no |
| Move table per stack | no | — | — | — | — | — | — | — | — |
| Large table movement | no | no | no | no | no | no | no | no | no |
| Stack alignment | no | — | — | — | — | — | — | — | — |
| Stack sort order | no | — | — | — | — | — | — | — | — |
| PlanAlign | no | no | no | no | no | no | no | no | no |
| REST slabs | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Interactive positioning | no | no | no | no | no | no | no | no | no |
| Patient position | head first | head first | head first | head first | head first | head first | head first | head first | head first |
| Patient body position | head first | head first | head first | head first | head first | head first | head first | head first | head first |
| Patient orientation | supine | supine | supine | supine | supine | supine | supine | supine | supine |
| Patient body orientation | supine | supine | supine | supine | supine | supine | supine | supine | supine |
Contrast
| Scan Description | SurveyBrain | SAGITTAL3D T1 | SAGITTAL3D T2 FLAIR | CORONALT2 Hipp | CORONALT2 FLAIR Hipp | SWIpFast | SourceDTI | SAGITTAL3D T1 +C | AXIALT1 +C Fat Sat | |
|---|---|---|---|---|---|---|---|---|---|---|
| Scan type | Imaging | Imaging | Imaging | Imaging | Imaging | Imaging | Imaging | Imaging | Imaging | Scan type |
| Scan mode | M2D | 3D | 3D | MS | MS | 3D | MS | 3D | MS | Scan mode |
| 3D non-selective | — | no | — | — | — | no | — | no | — | 3D non-selective |
| Contrast enhancement | T1 | T1 | — | — | — | T1 | — | T1 | — | Contrast enhancement |
| Modified SE | — | — | — | no | — | — | no | — | no | Modified SE |
| Acquisition mode | cartesian | cartesian | cartesian | cartesian | cartesian | cartesian | cartesian | cartesian | cartesian | Acquisition mode |
| Fast Imaging mode | TFE | none | TSE | TSE | TSE | none | EPI | none | TSE | Fast Imaging mode |
| 3D VIEW | — | — | Brain FLAIR | — | — | — | — | — | — | 3D VIEW |
| TSE factor | — | — | 178 | 17 | 42 | — | — | — | 8 | TSE factor |
| TFE factor | 42 | — | — | — | — | — | — | — | — | TFE factor |
| Echoes | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | Echoes |
| TE/TE first | shortest | in-phase | shortest | user defined | user defined | user defined | user defined | in-phase | shortest | TE/TE first |
| Flip angle (deg) | 20 | 30 | — | 90 | — | 20 | 90 | 30 | 69 | Flip angle (deg) |
| Refocusing control | — | — | constant | no | constant | — | — | — | no | Refocusing control |
| TR | user defined | user defined | user defined | shortest | user defined | user defined | shortest | user defined | range | TR |
| Halfscan | no | no | no | no | no | no | yes | no | no | Halfscan |
| Water-fat shift | maximum | maximum | maximum | maximum | maximum | user defined | minimum | maximum | maximum | Water-fat shift |
| IR delay (ms) | — | — | 1660 | — | 2800 | — | — | — | — | IR delay (ms) |
| Shim | — | default | default | default | default | default | auto | default | default | Shim |
| mDIXON | no | no | no | no | no | no | no | no | no | mDIXON |
| Fat suppression | no | no | SPIR | no | no | no | SPIR | no | SPIR | Fat suppression |
| Water suppression | no | no | no | no | no | no | no | no | no | Water suppression |
| TFE prepulse | invert | — | — | — | — | — | — | — | — | TFE prepulse |
| PSIR | no | — | — | — | — | — | — | — | — | PSIR |
| MTC | no | no | no | no | no | no | no | no | no | MTC |
| T2prep | no | — | yes | — | — | — | — | — | — | T2prep |
| Diffusion mode | no | no | no | no | no | no | DTI | no | no | Diffusion mode |
| T1 mapping | no | no | no | no | no | no | no | no | no | T1 mapping |
| SAR mode | high | high | high | high | moderate | high | high | high | moderate | SAR mode |
| B1 mode | default | default | default | default | default | default | default | default | default | B1 mode |
| SAR allow first level | yes | yes | yes | yes | yes | yes | yes | yes | yes | SAR allow first level |
| Patient pregnancy | no | no | no | no | no | no | no | no | no | Patient pregnancy |
| Patient WB SAR [W/kg] | — | — | — | — | — | — | — | — | — | Patient WB SAR [W/kg] |
| Patient Head SAR [W/kg] | — | — | — | — | — | — | — | — | — | Patient Head SAR [W/kg] |
| Patient max. dB/dt [T/s] | — | — | — | — | — | — | — | — | — | Patient max. dB/dt [T/s] |
| Max slewrate [T/m/s] | — | — | — | — | — | — | — | — | — | Max slewrate [T/m/s] |
| Max. B1+rms [uT] | — | — | — | — | — | — | — | — | — | Max. B1+rms [uT] |
| PNS mode | low | low | high | moderate | low | low | low | low | low | PNS mode |
| Gradient mode | regular | maximum | default | default | default | default | default | maximum | maximum | Gradient mode |
| SofTone mode | no | no | no | no | no | no | no | no | no | SofTone mode |
Motion
| Scan Description | Survey Brain |
SAGITTAL 3D T1 |
SAGITTAL 3D T2 FLAIR |
CORONAL T2 Hipp |
CORONAL T2 FLAIR Hipp |
SWIp Fast |
Source DTI |
SAGITTAL 3D T1 +C |
AXIAL T1 +C Fat Sat |
|---|---|---|---|---|---|---|---|---|---|
| Cardiac synchronization | no | no | no | no | no | no | no | no | no |
| Respiratory compensation | no | no | no | no | no | no | no | no | no |
| Navigator respiratory comp | no | no | no | no | no | no | no | no | no |
| Flow compensation | no | no | no | no | no | yes | no | no | no |
| fMRI echo stabilisation | no | no | — | — | — | no | — | no | — |
| Temporal slice spacing | — | — | — | default | — | — | default | — | default |
| Motion smoothing | — | — | no | no | no | — | — | — | no |
| NSA | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 2 |
| partial NSA | — | — | no | — | — | — | — | — | — |
| SMART | — | — | no | no | no | — | — | — | no |
| MRE enable | no | no | no | no | no | no | no | no | no |
| CENTRA | — | — | no | — | — | — | — | — | — |
Dynamic Angio
| Scan Description | Survey Brain |
SAGITTAL 3D T1 |
SAGITTAL 3D T2 FLAIR |
CORONAL T2 Hipp |
CORONAL T2 FLAIR Hipp |
SWIp Fast |
Source DTI |
SAGITTAL 3D T1 +C |
AXIAL T1 +C Fat Sat |
|---|---|---|---|---|---|---|---|---|---|
| Angio / Contrast enh. | no | no | — | — | — | no | — | no | — |
| Quantitative flow | no | no | — | — | — | no | — | no | — |
| Manual start | no | no | no | no | no | no | no | no | no |
| Dynamic study | no | no | no | no | no | no | no | no | no |
| Arterial Spin labeling | no | no | no | no | no | no | no | no | no |
Post Processing
| Scan Description | Survey Brain |
SAGITTAL 3D T1 |
SAGITTAL 3D T2 FLAIR |
CORONAL T2 Hipp |
CORONAL T2 FLAIR Hipp |
SWIp Fast |
Source DTI |
SAGITTAL 3D T1 +C |
AXIAL T1 +C Fat Sat |
|---|---|---|---|---|---|---|---|---|---|
| Preparation phases | — | auto | auto | auto | auto | auto | auto | auto | auto |
| Interactive F0 | no | no | no | no | no | no | no | no | no |
| Quick Survey | default | default | default | default | default | default | default | default | default |
| MIP/MPR | no | no | no | no | no | no | no | no | no |
| SWIp | no | no | — | — | — | yes | — | no | — |
| Images | M, (3) no | M, (3) no | M, (3) no | M, (3) no | M, (3) no | SW-M, SW-P, (2) no | M, (3) no | M, (3) no | M, (3) no |
| Autoview image | M | M | M | M | M | — | M | M | M |
| Calculated images | (4) no | (4) no | — | (4) no | — | — | (4) no | (4) no | (4) no |
| Reference tissue | White matter | White matter | Grey matter | White matter | White matter | White matter | White matter | White matter | White matter |
| Recon compression | No | No | No | No | No | No | No | No | No |
| Preset window contrast | soft | soft | soft | soft | soft | soft | soft | soft | soft |
| Reconstruction mode | immediate | immediate | real time | immediate | real time | immediate | immediate | immediate | real time |
| Save raw data | no | no | no | no | no | no | no | no | no |
| Hardcopy protocol | no | no | no | no | no | no | no | no | no |
| Image filter | system default | system default | system default | system default | system default | system default | system default | system default | system default |
| Uniformity correction | no | no | no | no | no | no | no | no | no |
| Geometry correction | default | default | default | default | default | default | default | default | default |
| Elliptical k-space shutter | — | default | default | — | — | default | — | default | — |
| Free rotatable | no | no | no | no | no | no | no | no | no |
| IF_info_seperator | 0 | 0 | 1634755923 | 0 | 0 | 1634755923 | 0 | 0 | 0 |