Table 1. The clinical characteristics of 18FDG PET/PET-CT and Gadolinium-enhanced MRI.
| Study | Origin | No. of Patients | Age(y) | Male (%) | Follow-up Time | MRI | PET-CT | ||
|---|---|---|---|---|---|---|---|---|---|
| Strengthen | Sequences | CE-CT | Analysis Methods | ||||||
| Ohno [11], 2007 | Japan | 90 | 35–83 | 53.3 | ≥ 24 months | 1.5T | T1,T2, CE-T1, FLAIR | No | QL |
| Plathow [10], 2008 | Germany | 52 | 49–71 | 69.2 | Unclear | 1.5T | T1,T2, CE-T1, STIR | Enhanced by iodinated contrast agent | QL + QN |
| Yi [7], 2008 | Korea | 165 | 34–82 | 75.8 | 592 days (mean) | 3.0T | T1,T2, CE-T1 | No | QL |
| Ohno [8], 2008 | Japan | 203 | 47–85 | 53.7 | ≥ 12 months | 1.5T | T1,T2, CE-T1, STIR | No | QL |
| Lee [12], 2009 | Korea | 442 | 23–88 | 53.8 | ≥ 30 months | 3.0T | T1,T2, CE-T1, FLAIR | No | QL + QN |
Abbreviations: QL = qualitative; QN = quantitative; CE = contrast enhanced; STIR = short time inversion recovery; FLAIR = fluid-attenuation inversion-recovery.