Diffuse Liver Disease 1.5T
GE Healthcare – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- • No special instructions for patient
• Cover entire liver and pancreas - Common Indications
- Diffuse liver disease, detection and quantification of hepatic stiffness, fat, iron
- Position
- Supine
- Coil
- 32 channel Torso array, GEMS Body array, or Air coil
- Landmark
- Xyphoid
- Comments
- Expiration | Expiration | Proton Density Fat-fraction (PDFF) and R2* quantification (must be precontrast) | OptionalElastography Expiration
Imaging Parameters
| Scan Description | 3PL LOCALIZER T2 SSFSE ARC |
AXIAL or CORONAL T2 SSFSE |
AXIAL IDEAL – IQ |
Optional: AXIAL MRE MR TOUCH |
|---|---|---|---|---|
| View Image | View Image | |||
| Mode | 2D | 2D | 3D | 2D |
| Pulse Sequence | SSFSE | SSFSE | IDEAL-IQ | MR Touch |
| Imaging Options | SEQ, FAST, SS, ARC |
EDR, FAST, SS, ARC |
FAST, EDR, IDEAL, ARC |
FC, EPI, ASSET |
Scan Parameters
| Scan Description | 3PL LOCALIZER T2 SSFSE ARC |
AXIAL or CORONAL T2 SSFSE |
AXIAL IDEAL – IQ |
Optional: AXIAL MRE MR TOUCH |
|---|---|---|---|---|
| TE | 90 | 90 | # Def (6) Shots TE Min |
#TEs 1 Def |
| TR | Min | Min | Def | 50 |
| Flip Angle | — | — | 5 | 30 |
| ETL | — | — | 6 | — |
| Bandwidth | 62 | 62 | 100 | 31 |
Acquisition Parameters
| Scan Description | 3PL LOCALIZER T2 SSFSE ARC |
AXIAL or CORONAL T2 SSFSE |
AXIAL IDEAL – IQ |
Optional: AXIAL MRE MR TOUCH |
|---|---|---|---|---|
| MATRIX freq | 288 | 320 | 224 | 80 |
| MATRIX phase | 192 | 224 | 160 | 80 |
| NEX | 1 | 1 | — | 1 |
| Phase FOV | 1 | 1 | 0.8 | 1 |
| Freq Direction | — | S/I | R/L | R/L |
| Accel | Ph 2 | Ph 2 | Ph 2, Sl 2 | Ph 2 |
| User CV | 1, 240, 1 | Max echos 240 | — | — |
| Other | — | — | — | Temp Ph 4 Meg Freq 80 Driver Freq 50-80 Meg Dir Z Dr Cyc3 Menc Def (32) |
Scanning Range
| Scan Description | 3PL LOCALIZER T2 SSFSE ARC |
AXIAL or CORONAL T2 SSFSE |
AXIAL IDEAL – IQ |
Optional: AXIAL MRE MR TOUCH |
|---|---|---|---|---|
| FOV | 48 | 40 | 40 | 40 x 40 |
| Slice Thickness | 8 | 5 | 8 | 10 |
| Spacing | 0 | 0 | 0 | 0 |
| Number of Slices | 21 Slices | — | 32 Locs | 4 Slices |
| Approx. Scan Time | 0:19 | 0:25/acq | 0:20 | 1:20 |