| Reference | Imaging | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
| Rau et al. [28] | CT† | 33 | 93 | 56 | 85 |
| Grobmyer et al. [29] | CT‡ | 40 | 92 | 30 | 95 |
| PET† | 57 | 100 | 100 | 88 |