ASL perfusion image acquisition parameters
| ASL Perfusion Technique | Slice Thickness (mm) | TR (ms) | TE (ms) | Flip Angle | FOV (mm2) | Matrix Size | EchoTrain Length |
|---|---|---|---|---|---|---|---|
| 3D pulsed ASL | 4−5 | 4322−4724 | 10.7−16.4 | 111−180 | 256 × 256 to 1280 × 1280 | 64 × 63 to 512 × 8 | 1 or 21 |
| 2D pulsed ASL | 8 | 2500−2819 | 12−14 | 90 | 768 × 768 or 1150 × 1150 | 64 × 64 | 1 or 48 |
| 3D pseudocontinuous ASL | 4–4.84 | 4000−4665 | 10.7−21.9 | 111 | 220 × 220 or 240 × 240 | 64 × 62 or 512 × 8 | 1 or 31 |