3-T MRI and clinical validation of ultrasound-guided transperineal laser ablation of benign prostatic hyperplasia

European Radiology Experimental

Table 2 3-T multiparametric magnetic resonance imaging protocol for patient selection

Sequences	Plane	Time (min:s)	Repetition time (ms)	Echo time (ms)	Flip angle (°)	Number of slices	Slice thickness (mm)	Pixel size (mm)
1. T2-weighted turbo spin-echo	Sag	2:45	3,293	110	90	25	3	0.7 × 0.9
2. T2-weighted turbo spin-echo	Ax	5:42	3,000	110	90	24	3	0.6 × 0.9
3. Diffusion-weighted imaging^a	Ax	6:24	3,459	88	90	24	3	2.4 × 2.8
4. T2-weighted turbo spin-echo	Cor	5:06	3,000	110	90	24	3	0.5 × 0.8
5. T1-weighted Dixon dynamic (30 phases)	Ax	3:35	3.7	1.37	10	25	3	1.5 × 1.5
6. T1-weighted turbo spin-echo	Ax	2:21	561	8	90	31	5	1.0 × 1.0

^ab-values: 0, 1,000, 1,500, 2,000 ms. Ax Axial, Cor Coronal, Sag Sagittal. Patient follow-up was performed using only the sequences here numbered from 1 to 4