Research Article
Predicting of Ki-67 Expression Level Using Diffusion-Weighted and Synthetic Magnetic Resonance Imaging in Invasive Ductal Breast Cancer
Table 1
MRI sequences used in our study.
| | Sequence | T2WI | T1WI | DWI | DCE | SyMRI |
| | Scan plane | Axial | Axial | Axial | Axial | Axial | | TR (ms) | 7400 | 790 | 3000 | 4.7 | 4000 | | TE (ms) | 78 | 6.8 | 72 | 1.1/2.2 | 21/95 | | FA (°) | 110 | 110 | 90 | 15 | None | | FOV (mm2) | 360 × 390 | 360 × 390 | 360 × 390 | 360 × 390 | 360 × 390 | | Slice thickness (mm) | 5 | 5 | 5 | 1.2 | 5 | | NEX | 1.5 | 1 | 5 | 0.7 | 1 | | Fat saturation | Yes | None | Yes | Yes | None | | b value (sec/mm2) | None | None | 800 | None | None | | Scan time (min: s) | 3 min | 37 s | 2 min 42 s | 4 min 9 s | 5 min 12 s |
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TR, repetition time; TE, echo time; FA, flip angle; FOV, field of view; NEX, number of excitations.
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