Comparison of perfusion imaging protocols used in this study
| Protocol | TR (ms) | TE (ms) | Flip Angle | No. of Sections | Section (mm) | Gap (mm) | No. of Frames | Total Time (sec) | Contrast |
|---|---|---|---|---|---|---|---|---|---|
| Clinical bolus | 2000 | 60 | 60 | 14 | 7 | 2 | 34 | 68 | 100 μmol/kg at 3 mL/s |
| Quantitative bolus | 1150 | 35 | 90 | 12 | 5 | 1 | 42 | 48 | 65 μmol/kg at 3 mL/s |
| Quantitative infusion | 2500 | 35 | 90 | 12 | 5 | 1 | 42 | 105 | 120 μmol/kg at 1 mL/s* |
* Note that gadolinium is diluted before infusion.4