Criteria for Performing SPECT/CT After Whole-Body Bone Scan
| Section | Description |
| A | Indications for not performing SPECT/CT after bone scan |
| Patient cannot participate in SPECT/CT examination | |
| Widespread metastatic disease is present | |
| A previous whole-body bone scan is available and no new lesions are present | |
| B | Indications for performing SPECT/CT after bone scan |
| Focal lesions in spine or pelvis are present | |
| Patient reports newly developed pain from spine or pelvis | |
| Prostate cancer patients have prostate-specific antigen that is increasing or > 20 ng/mL even though no metastatic lesions are present (SPECT/CT of lumbar spine and pelvis) | |
| Large urinary bladder is covering sacrum and patient has reported symptoms from this area | |
| C | Indications for not performing SPECT/CT |
| Whole-body bone scan has normal results and no criteria from section B to perform SPECT/CT are fulfilled | |
| D | If technologist is unsure whether SPECT/CT should be performed, technologist calls physician |
These criteria apply to patients suspected of having metastatic disease. For other indications, nuclear medicine physician makes decision.