| Diagnostic Tool | Sensitivity | Specificity |
| USG | 47% - 88% [20] [37] | 71% - 82% |
| Sestamibi | 73% - 83% [19] [20] | 71% - 91% [22] |
| USG + Sestamibi | 80% - 97% [22] | 83% [22] |
| SPECT/CT | 86% [21] | 87% - 96% |
| SPECT + Sestamibi | 86% - 90% [18] [21] | 98% [24] |
| 4D-CT | 88% | 88% [24] |
| PET-CT | 78% | 86% [23] |