Thoracic Spine 1.5T
GE Healthcare – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- • Sagittal – Cover through foramina, T1-conus
• Axial – Top of T11 through T12 – can use two stacks (upper and lower) angled to disc spaces
• For sequences with Fat Sat, place shim centered on upper T-Spine to improve quality - Common Indications
- Tumor, multiple sclerosis, infection, post surgery
- Position
- Supine, head first
- Coil
- C/T/L (CTL245), HNU + GEMS Spine
- Landmark
- Mid neck
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | |||||
|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg up to a calculated volume of 10 mL | Hand Injection | |||||
| Saline Flush | 10-20 mL | Hand Injection | |||||
Imaging Parameters
| Scan Description | 3PL LOCALIZER Upper and Lower |
SAGITTAL T2 |
SAGITTAL T1 |
SAGITTAL STIR |
AXIAL T2 |
Pre and Post AXIAL T1 |
Post SAGITTAL T1 FS |
|---|---|---|---|---|---|---|---|
| View Image | View Image | ||||||
| Primary Sequence | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Mode | 2D Std Loc | 2D | 2D | 2D | 2D | 2D | 2D |
| Pulse Sequence | SSFSE | FSE-XL | FSE-XL | FSE-IR | FSE-XL | FSE-XL | FSE-XL |
| Parallel Imaging | 2 | No | No | No | No | No | No |
| Options | SEQ, TRF, EDR, FAST, SS, ARC | NPW, FC, TRF, FAST, |
NPW, SEQ, TRF, FAST |
NPW, SEQ, TRF, FAST |
NPW, FC, TRF, FAST |
NPW, ZIP512 | NPW, TRF, FAST |
Scan Parameters
| Scan Description | 3PL LOCALIZER Upper and Lower |
SAGITTAL T2 |
SAGITTAL T1 |
SAGITTAL STIR |
AXIAL T2 |
Pre and Post AXIAL T1 |
Post SAGITTAL T1 FS |
|---|---|---|---|---|---|---|---|
| TE | 80 | 102 | Min-Full | 42 | 85 | Min-Full | Min-Full |
| TR | Min | 4000 | 750 | 4000 | 4000 | 650 | 500-700 |
| TI | ― | ― | ― | 160 | ― | ― | ― |
| Flip Angle | ― | Auto | Auto | Auto | Auto | Auto | Auto |
| ETL | ― | 21 | 3 | 10 | 27 | 4 | 3 |
| Bandwidth | ― | 41 | 20 | 20 | 31 | 31 | 20 |
| SAT | 83 | Anterior | Anterior | Anterior | Anterior | Anterior/Optional Fat post contrast | Anterior/Fat |
Acquisition Parameters
| Scan Description | 3PL LOCALIZER Upper and Lower |
SAGITTAL T2 |
SAGITTAL T1 |
SAGITTAL STIR |
AXIAL T2 |
Pre and Post AXIAL T1 |
Post SAGITTAL T1 FS |
|---|---|---|---|---|---|---|---|
| MATRIX freq | 256 | 320 | 384 | 288 | 320 | 256 | 384 |
| MATRIX phase | 128 | 256 | 256 | 192 | 224 | 192 | 256 |
| NEX | 1 | 4 | 2 | 3 | 2 | 2 | 3 |
| Freq DIR | ― | S/I | S/I | S/I | A/P | A/P | S/I |
| FC Direction | ― | Freq | No | Freq | Slice | Slice | No |
Scanning Range
| Scan Description | 3PL LOCALIZER Upper and Lower |
SAGITTAL T2 |
SAGITTAL T1 |
SAGITTAL STIR |
AXIAL T2 |
Pre and Post AXIAL T1 |
Post SAGITTAL T1 FS |
|---|---|---|---|---|---|---|---|
| FOV | 40 | 32 | 32 | 32 | 20 | 20 | 32 |
| Phase FOV | ― | 1 | 1 | 1 | 1 | 1 | 1 |
| Filter | ― | PURE | PURE | PURE | PURE | PURE | PURE |
| Slice Thickness | 5 | 3 | 3 | 3 | 4 | 4 | 3 |
| Spacing % | 10 | .3 | .3 | .3 | 1 | 1 | .3 |
| Number of Slices | 10-15 each plane | 12-17 | 12-17 | 12-17 | 30-40 | 28-35 | 12-17 |
| Acquisition Time | 0:25 sec | ~4 min | ~2-3 min | ~4 min | ~4 min | ~3-4 min | ~2-3 min |