Table 1.
Imaging parameters for both spiral and conventional Cartesian acquisitions.
DCE Spiral | Cartesian Scan (normal subjects) | Cartesian Scan (patients) | |
---|---|---|---|
FOV (mm) | 360 ~ 440 | 360 ~ 440 | 350 ~ 400 |
Matrix size | 192 ~ 240 | 192 ~ 240 | 256 ~ 288 |
In-plane resolution (mm) | 1.9 | 1.9 | 1.2 ~ 1.4 |
TR/TE (msec) | 4.5-4.7/0.6 | 4.4/1.9 | 3.1-5.4/1.5-2.5 |
Flip angle (Degree) | 15 | 9 | 10 |
Number of slices | 60 | 60 | 48 ~ 75 |
Slice thickness (mm) | 3 | 3 | 3~4 |
Parallel imaging | 6 | 2 | 2 |
Acquisition time per volume (s) | 1.6 ~ 1.9 | 14 ~ 18 | 17 ~ 19 |