Simultaneous whole body 18F-fluorodeoxyglucose positron emission tomography magnetic resonance imaging for evaluation of pediatric cancer: Preliminary experience and comparison with 18F-fluorodeoxyglucose positron emission tomography computed tomography

Table 1 Magnetic resonance imaging pulse sequences in pediatric whole body positron emission tomography-magnetic resonance imaging protocol

Pulse sequence	Plane	TR (ms)	TE (ms)	Thk/sp (mm)	Flip angle (°)	BW (Hz/Px)	FOV (cm)	Matrix	TA
T1 Dixon VIBE AC	Coronal	3.6	1.2	3/0	10	965	40-50	192 × 121	0:19
T1 VIBE	Axial	3.9	2.5	3/0	9	720	35-45	288 × 288	0:24
T2 HASTE FS	Axial	1600	95	5/0	9	710	30-40	320 × 260	1:08
EPI DWI	Axial	11000	70	6/0	N/A	2084	30-40	160 × 120	3:51
STIR	Coronal	4000	48	4/0	120	200	35-40	320 × 192	4:54

AC: Attenuation correction; TR: Repetition time; TE: Echo time; BW: Bandwidth; FOV: Field of view; TA: Acquisition time (per table position); VIBE: Volumetric interpolated breath hold examination; HASTE: Half-fourier acquisition single-shot turbo spin echo; FS: Fat suppression; EPI: Echo planar imaging; DWI: Diffusion weighted imaging; STIR: Short tau inversion recovery.