Table 1.

Sequence parameters used for imaging

Parameter	T2-weighted coronal, sagittal	DWI coronal	T2-weighted	DWI
Coil selection	Dual: Endovaginal + FLEX-L 2 element phased array body	Single: Endovaginal	SENSE-XL torso	SENSE-XL torso
Sequence	Turbo Spin Echo-Multi Shot (TSE factor 10)	Spin-Echo Echo Planar Imaging-Single Shot	TSE (TSE Factor 13)	EPI
TR (ms)	2750 (coronal) 2500 (sagittal)	6500	2100	3230
TE (ms)	80	54	90	53
Flip angle	90°	90°	90°	90°
Bandwidth (Hz/Px)	217.7	9.6	217.3	9.6
FOV (mm)	100 × 100	100 × 100	120 × 200	110 × 100
Acq pixel size (mm)	0.42 × 0.42	1.25 × 1.25	1.0 × 1.0	1.25 × 1.25
Acq matrix	238	80	120	88
Recon matrix	288	224	400	224
Acq voxel size (mm3)	0.35 [0.42 × 0.42 × 2]	3.125 [1.25 × 1.25 × 2]	3.00 [1 × 1 × 3]	4.69 [1.25 × 1.25 × 3]
Slice thickness (mm)	2 (0.1 separation)	2 (0.1 separation)	3	3
Recon voxel size (mm3)	0.24 [0.35 × 0.35 × 2]	0.40 [0.45 × 0.45 × 2]	0.75 [0.5 × 0.5 × 3]	0.72 [0.49 × 0.49 × 3]
Number of slices	24 (coronal) 22 (sagittal)	24	16	16
NSA	2	1	4	2
Included b-values s/mm2 isotropic	n/a	0, 100, 300, 500, 800	n/a	0, 100, 300, 500, 800
Acquisition time	4 min 18 s (coronal) 4 min 0 s (sagittal)	4 min 33 s	3 min 58 s	3 min 50 s
Signal in gel (T1 = 500 ms, T2 = 50 ms) to background noise	Flex-L elements 15 cm apart, gel sited centrally within endovaginal coil ring 135	Gel sited centrally within endovaginal coil ring 51	Coil elements 15 cm apart, gel sited centrally 130	Coil elements 15 cm apart, gel sited centrally 7

DWI diffusion-weighted imaging, NSA number of signal averages