Table 2 MRI protocol
From: Intrahepatic bile duct variation: MR cholangiography and implication in hepatobiliary surgery
RARE | 3D-TSE | |
|---|---|---|
TR (repetition time) | 9800 ms | 2600 ms |
TE (echo time) | 920 ms | 740 ms |
Matrix | 256 × 256 | 217 × 256 |
Slice thickness (mm) | 50 | 1 |
Flip angle | 90° | 90° |
Field of view | 30 × 30 cm2 | 30 × 30 cm2 |
Echo train length | 256 | 87 |
Signal averages number | 1 | 1 |
Acquisition time | Each slice: 9.8 s | Depend on the respiratory frequency (2–5 min) |