Appendix A.

Range of MR scan parameters performed on three different MR scanners

	Sagittal T2-weighted TSE	Coronal T2-weighted TSE	Axial T2-weighted TSE	Axial T2-weighted TSE with fat sat.	Axial T1-weighted TSE with fat sat. + iv contrast enhancementa
1.5 T (Siemens, Avanto), 33 MR scans
Field of view (cm)	300	300/320	220/300	220/300	300–450
No. of slices	28–40	25–42	28–45	28–42	28–42
Repetition time (ms)	2500–4000	2500–4000	2500–4000	2500–4000	600–718
Echo time (ms)	69/70	70–121	70–121	70–121	9,4/11
Image matrix	512 × 231−512 × 578	256 × 297−512 × 575	256 × 297−512 × 578	256 × 297−512 × 575	256 × 288−512 × 256
Slice thickness (mm)	3/4	3/4	3/4	4	4
Slice gap (mm)	0.4	0–0,4	0–0.4	0/0.4	0–0,4
NSA	1–3	1/2	1/2	1/2	1–4
Flip angle	90/150	90/150	90/150	90/150	90/150
1.5 T (Signa, GE), 20 MR scans
Field of view (cm)	300	300	300	300	300/450
No. of slices	32	32	31/32	28–32	31/32
Repetition time (ms)	2500	2500	2500	2500–4500	560/600
Echo time (ms)	69/70	71/72	69	69–83	10.8
Image matrix	512 × 200	512 × 200	512 × 200	256 × 100	256 × 100
Slice thickness (mm)	4	4	4	4	4
Slice gap (mm)	0.4	0.4	0.4	0.4	0.4
NSA	1	1	1	1	2
Flip angle	90	90	90	90	90
3 T (Philips), 5 MR scans
Field of view (cm)	230–360	240–400	240–400	240–400	300/400
No. of slices	30–41	30–37	32–45	35–45	40–45
Repetition time (ms)	2689/3000	2689–3000	2689–3000	3000/4626	550–786
Echo time (ms)	70–100	70–100	70–100	70/100	10
Image matrix	256 × 198−528 × 361	400 × 246−528 × 400	400 × 395−528 × 361	300 × 287−768 × 287	248 × 248−512 × 255
Slice thickness (mm)	3/4	3/4	3/4	3/4	3/4
Slice gap (mm)	0–1	0/0.3	0/0.3	0/0.3	0/0.3
NSA	2/4	1/4	1/4	1/2	1/2
Flip angle	90	90	30	90	90

^aWith the exception of one SENSE dixon post-contrast series: FOV 400, no. of slices 480, TR 0, TE 0, matrix 512x207, slice thickness 1.5, gap 0, averages 1, flip angle 8