Table 1.
PET/MRI protocol: additional MRI sequences for different types of cancer
| Axial 2-point Dixon T1 VIBE 3D | Axial EPI SPAIR DWI free-breathing | Dynamic Gd-enhanced T1 VIBE with fat saturation | Sagittal T1 TSE (spine only) | |
|---|---|---|---|---|
| TR (ms) | 4.02/1.23 | 6800 | 4.56 | 610 |
| TE (ms) | 2.46 | 63 | 2.03 | 9.6 |
| Flip angle (°) | 10 | 180 | 9 | 150 |
| Field of view (mm) | 296 × 430 | 168 × 104 | 380 × 309 | 320 × 100 |
| Matrix size | 154 × 320 | 440 × 340 | 195 × 320 | 320 × 75 |
| Slice thickness (mm) | 3 + 0.6 gap | 6 + 1.2 gap | 3 + 0.6 gap | 3 + 1.5 gap |
| Other parameters | – | b50, b800; ADC maps | 0.025 mmol/kg of Gd-EOB-DTPA or 0.1 mmol/kg of an extracellular Gd-based agent | – |
| Cancer types | Lymphoma, myeloma, and CUP | Lymphoma, myeloma, and CUP | All cancers except lymphoma, myeloma, and CUP | Myeloma |