Table 3 Imaging for staging & target definition
| Â | UHW | UPMC | UofT | UVAMC | RSMC |
|---|---|---|---|---|---|
Staging examinations prior to SBRT/SRS | Oncologic staging is required | None | MRI spine | None | None |
Slice thickness of Planning CT | 1.5 mm | 1.25 mm | 1 mm | 1 to 1.5 mm | 2 mm |
MRI used for target definition | Yes | Yes | Yes | Yes | Yes |
Dedicated Planning MRI | Yes | No | Yes | Yes | Yes |
Slice thickness of planning MRI | 2 mm | 1.25 mm | 1 mm | 1.2 mm | 3 mm/1.25 mm |
MRI sequence used for target definition, | T1 with and w/o contrast; T2 | T1 with contrast; T2 | T1 w/o contrast volumetric VIBE; T2 volumetric SPACE | T1 with contrast volume acquisition | T1 with and w/o |
Dedicated FDG-PET/PET-CT for target definition | Rarely | Yes | No | Rarely | Yes |