Table 1. Imaging parameters of the nine compared MRCP sequences.
TR[ms] | TE[ms] | Flip angle[deg] | Matrix | Slicethickness[mm] | Acquisitiontime [s] | Echo trainlength | ||
A | 2D HASTE ax | 700 | 117 | 150 | 192 | 5 | 32 | 256 |
B | 2D HASTE cor | 4500 | 754 | 180 | 349 | 40 | 2 | 256 |
C (D) | 3D TSE RST (MIP) | 3414 | 638 | 180 | 380 | 2 (80) | 240–400(*) | 127 |
E (F) | 3D SPACE (MIP) | 3670 | 650 | 140 | 380 | 1 (72) | 180–400(*) | 135 |
G | 2D TSE BLADE | 8660 | 93 | 150 | 384 | 6 | 220–360(*) | 29 |
H | 3D ce-T1w FLASH ax | 3.35 | 1.15 | 15 | 384 | 2 | 22 | 1 |
I | 3D ce-T1w FLASH ax +IR | 400 | 1.5 | 10 | 320 | 2 | 36 | 1 |
(*) depending on patients’ breathing.