Table 1 Differences between scanner, devices, and technical parameters of dynamic contrast-enhanced acquisition used in the current study and those used in the work by Giannini et al. [16]
Current study | Giannini et al. [16] | ||
|---|---|---|---|
Equipment | 1.5-T Ingenia; Philips Medical Systems, Best, The Netherlands | 1.5-T HDx Signa Excite, GE HealthCare Milwaukee, WI, USA | |
Coil | Phased-array 16-channel | Phased 8-channel coil | |
DCE | Slice thickness (mm) | 3 | 2.6 |
Acquisition plane | Axial | Axial/sagittal | |
Repetition time (ms) | 5.1 | 5.5/4.8 | |
Echo time (ms) | 2.5 | 2.6/1.9 | |
Flip angle | 10° | 10° | |
Field of view | According to breast volume | According to breast volume | |
Acquisition matrix | 340 × 340 | 416 × 416/416 × 256 | |
Pixel size (mm2) | 0.7865 × 0.7865 | Pixel 0.625 × 0.625 | |
Temporal resolution (s) | 70 | 90 | |
T2-weighted | Slice thickness (mm) | 3 | 3 |
Acquisition plane | Sagittal | Sagittal | |
Repetition time (ms) | 2000 | 3360 | |
Echo time (ms) | 209 | 70 | |
Flip angle | 90° | 90° | |
Field of view | According to breast volume | According to breast volume | |
Acquisition matrix | 340 × 340 | 416 × 256 | |
Pixel size (mm) | 0.8536 × 0.8536 | 0.4297 × 0.4297 | |