Table 1 The parameters of MRI protocol
From: Phase-contrast magnetic resonance imaging in evaluation of hydrocephalus in pediatric patients
Sequences | Parameters |
|---|---|
Routine MRI sequences: | TR/TE 400–600/15–25 |
Multiplanar T1WFSE | NEX 2 |
FA1/10 FOV 240 mm Matrix 224 × 384 | |
Multiplanar T2WFSE | TR/TE 5000/105 NEX 2 FA 1/10 FOV 240 mm Matrix 224 × 384 |
Axial FLAIR WIS | TR/TE 11,000/140 TI 2800 ms |
Axial DWI | TR/TE 3700/108 |
Mid sagittal steady-state free precession (SSFP) sequence | Thin cuts (3D-DRIVE) (for better assessment of CSF flow void sign along aqueduct of Sylvius) |
Two-dimensional cine phase-contrast MRI sequence (2D cine PCMRI); Sagittal and axial images | Cardiac gating Flip angle: 10° TR/TE: 25/3.4 Section thickness: 1 mm Field of view: 180 mm Matrix size: 128 × 512 Encoding velocity: 5–20 cm/s encoding direction: cranio-caudal or caudo-cranial |