23 April 2022 : Clinical Research
Combining Magnetic Resonance Diffusion-Weighted Imaging with Prostate-Specific Antigen to Differentiate Between Malignant and Benign Prostate Lesions
Liying Han1CEF, Guanyong He1CDE, Yingjie Mei2CD, Qing Yu3BF, Minning Zhao3BF, Fu Luo4B, Guanxun Cheng1AEG*, Wen Liang3AEDOI: 10.12659/MSM.935307
Med Sci Monit 2022; 28:e935307
Table 1 Primary MRI protocol parameters.
| Parameters | T2WI | T2WI SPAIR | DWI | IVIM | DKI | DCE |
|---|---|---|---|---|---|---|
| Acquisition plane | Transverse | Sagittal | Transverse | Transverse | Transverse | Transverse |
| Sequence | FSE | FSE | EPI | EPI | EPI | FFE |
| TR (ms) | 3000 | 3896 | 6000 | 6000 | 6000 | 4 |
| TE (ms) | 100 | 80 | 60 | 55 | 60 | 2 |
| Thickness (mm) | 3 | 3 | 3 | 3 | 3 | 3 |
| Slice gap (mm) | 0.3 | 1 | 0.3 | 0.3 | 0.3 | 0 |
| Field of view (mm) | 280×280 | 280×280 | 200×249 | 200×249 | 200×249 | 280×280 |
| Matrix size (mm) | 352×296 | 352×284 | 80×98 | 80×98 | 80×98 | 200×156 |
| NSA | 2 | 2 | 2 | 2 | 2 | 1 |
| Acquisition time | 2 min 6 s | 2 min 28 s | 2 min 06 s | 6 min18 s | 3 min 54 s | 8 min 17 s |
| Flip angle (°) | 90 | 90 | 90 | 90 | 90 | 8 |
| T2WI – T2-weighted imaging; DWI – diffusion-weighted imaging; SPAIR – spectral attenuated inversion recovery; IVIM – intravoxel incoherent motion; DKI – diffusion kurtosis imaging; DCE – dynamic contrast enhancement; TR – repetition time; TE – time echo; FSE – fast spin echo; EPI – echo planar imaging; FFE – fast field echo; NSA – number of signals averaged. | ||||||