Table 3.
Technical details of imaging
| First author | Index tests | Field strength | PET/MRI acquisition | Intravenous contrast | Imaging sequences [(PET)-MRI] | Reviewers | Blinding | Delay a |
|---|---|---|---|---|---|---|---|---|
| Grankvist et al. [23] | PET/CT, DWI | 3.0T | na | Yes, no | Neck-thorax, lumbar and pelvic: T1, STIR, T2 fat suppressed. Whole-body: DWI (b-value nr) | 2 + 2 | Yes | na |
| Heusner et al. [25] | PET/CT, DWI | 1.5T | na | Yes, yes | Whole-body: DWI (b-value 50/600/800), T2 HASTE, DWI (spine), T2 SPAIR, T1w FLASH, T2 HASTE, contrast-enhanced T1 VIBE. | 2 + 2 | nr | na |
| Ergul et al. [22] | PET/CT, DWI | 1.5T | na | No, yes | Breast: T1, T2, TIRM, DWI (b-value 50/400/ 800), contrast-enhanced 3D T1 fat suppressed. | 2 + 1 | No | na |
| Catalano et al. [21] | PET/CT, DWI | nr | Simultaneous | Yes, yes | Whole-body: DWI (b-value 50/400/800), STIR, T1 Dixon, T2 HASTE, contrast-enhanced T1 fat suppressed VIBE. | 2 | nr | 6 weeks |
| Grueneisen et al. [24] | PET/CT, PET/MRI | 3.0T | Simultaneous | Yes, yes | Whole-body (prone): T2 TIRM, T2 FSE, DWI (b-value 0/500/1000), contrast-enhanced T1 FLASH. | 2 | Yes | 2 weeks |
| Sawicki et al. [29] | PET/CT, PET/MRI | 3.0T | Simultaneous | Yes, yes | Whole-body: 3D Dixon VIBE, T2 HASTE, DWI (b-value 0/500/1000), T2 TIRM, contrast-enhanced T1 fat suppressed VIBE. | 2 | Yes | 4 weeks |
| Melsaether et al. [26] | PET/CT, PET/MRI | 3.0T | Simultaneous | No, yes | Whole-body (supine): Dixon, contrast-enhanced 3D T1, DWI (b-value 0/350/700). | 2 + 2 | Yes | na |
| Pujara et al. [27] | PET/CT, PET/MRI | 3.0T | Simultaneous | No, yes | Whole-body (prone): 3D VIBE for MRAC, 3D T1 VIBE, DWI (b-value 0/350/700). | 1 + 1 | nr | na |
| Catalano et al. [20] | PET/CT, PET/MRI, DWI | nr | Simultaneous | Yes, yes | Whole-body: DWI (b-value 50/400/800), STIR, T1 Dixon, T2 HASTE, contrast-enhanced T1 fat suppressed VIBE. | 2 | Yes | 6 weeks |
| Botsikas et al. [19] | PET/CT, PET/MRI | 3.0T | Sequential | No, yes | Whole-body (supine): T2 FSE, DWI (b-value 0/1000), 3D T1 Dixon, 3D T1 FFE. Breast (prone): T2 FSE, DWI (b-value 0/1000), contrast-enhanced 3D T1 Dixon, 3D T1 FFE. | 2 | Yes | 3 months |
| Rezk et al. [28] | PET/CT, DWI | 1.5T | na | Yes, no | Whole-body: T1 TSE, STIR, DWI (b-value 0/1000). | 1 | nr | na |
a, delay in the case of same reviewer of both imaging modalities; b-value (s/mm2); DWI, diffusion-weighted imaging; FFE, fast-field echo; FLASH, fast low-angle shot; FSE, fast spin echo; HASTE, half-Fourier acquisition single-shot turbo-spin echo; MRAC, MRI-based attenuation correction; na, not applicable, nr, not reported; SPAIR, spectral selection attenuated inversion recovery; STIR, short tau inversion recovery; TIRM, turbo inversion recovery magnitude; VIBE, volumetric interpolated breath-hold examination.