Table 2 Parameters for MRI imaging sequences
From: The value of dynamic contrast–enhanced MRI in characterizing complex ovarian tumors
T1WI | T2WI | Contrast-enhanced T1WI | ||||
|---|---|---|---|---|---|---|
Parameters | Axial | Axial | Sagittal | Coronal | Sagittal | Axial |
Sequence | 2D SE | 2D TSE | 2D FSE | 2D FSE | 2D FSE | 2D SPGR |
Repetition time (msec) | 761 | 8000 | 4490 | 4420 | 724 | 4.89 |
Echo time (msec) | 10 | 83 | 83 | 83 | 10 | 2.38 |
Field of view (mm) | 340–420 | 340–420 | 260–340 | 380–420 | 260–340 | 340–420 |
Matrix | 480 × 640 | 256 × 256 | 256 × 256 | 320 × 320 | 256 × 256 | 256 × 256 |
Flip angle (degree) | 150 | 150 | 144 | 144 | 150 | 10 |
Slice thickness/gap (mm) | 5/1.0 | 5/2.0 | 5/1.5 | 5/1.5 | 5/1.5 | 5/1.5 |
Averages (NEX) | 1 | 1 | 1 | 1 | 1 | 2 |
Acquisition time (sec) | 100 | 100 | 162 | 96 | 120 | 42 |