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The protocols of the CT scan for the patients with GISTs.
| Manufacture | Philips | SIEMENS | Philips |
|---|---|---|---|
| CT scanner | Brilliance 64 | Dual source CT | Brilliance 256 |
| Tube voltage (kV) | 120 | 120 | 120 |
| Tube current (mA) | 250 | 200 | 250 |
| Rotation time (s) | 0.4 | 0.5 | 0.5 |
| Detector collimation (mm) | 64 × 0.625 | 128 × 0.6 | 64 × 0.625 |
| Pitch | 0.891 | 0.6 | 0.914 |
| Slice thickness (mm) | 5 | 5 | 5 |
| Slice spacing (mm) | 5 | 5 | 5 |
| Matrix | 512 × 512 | 512 × 512 | 512 × 512 |
| FOV (mm) | 350 | 300 | 350 |
| Algorithm (B) | Standard | Standard | Standard |
