Table 1.
Imaging modalities general characteristics
| Modality | Spatial Resolution | Parameters imaged | Depth | Acquisition time | Cost per scana (US $) |
|---|---|---|---|---|---|
| PET | 1-2 mm | Metabolism, immunology | No limit | minutes/h | $1000–$2000 |
| SPECT | 1-2 mm | Metabolism, immunology | No limit | minutes/h | $1000–$1500 |
| MRI | <100 μm | Structure, metabolism | No limit | minutes/h | $800–$1200 |
| Chest X-ray | <100 μm | Structure | No limit | minutes | $200–$400 |
| CT | <100 μm | Structure | No limit | minutes | $600–$800 |
aCost per scan may vary depending on the injected dose price. Adapted from [2]