Acquisition Phase | Phase Included | Scan Delay | Respiration Phase | Anatomical Coverage |
Non Contrast | N/A | N/A | N/A | N/A |
Arterial Phase | Yes | 30 sec | Inspiration | Diaphragm through iliac artery bifurcation |
Venous Phase | Yes | 70 sec | Inspiration | Diaphragm through pubic symphysis |
Delayed Phase | Yes | 100 sec | Inspiration | Abdomen to include entire liver |
Scan Comments: All scans are performed using the ALARA principle. 3D post-processing is performed with this protocol. |
Technical Parameters | Parameters |
kVp | 120 |
Effective mAs | Use dose reduction software |
Quality Reference mAs | 290 |
Time (Rotation) | 0.5 sec |
Average Acquisition Time | 5-7 sec |
Collimation | 128 x 0.6mm |
Pitch Value | 0.6 |
Scan Direction | Craniocaudal |
Comments: Dose reduction software is used to reduce patient dose. |
Reconstruction Parameters | Soft Tissue | Thin Data | Thin Data | Lung |
Slice Thickness | 3 mm | 0.75 mm | 0.75 mm | 3 mm |
Reconstruction Spacing | 3 mm | 0.5 mm | 0.5 mm | 3 mm |
Reconstruction Algorithm | I40f (2) | I26f (2) | B20f | I70f (2) |
Window Width and Level | 410/10 | 410/10 | 410/10 | 1600/-500 |
Reconstruction Comments: |
Reconstruction Parameters | Coronal | Sagittal |
Slice Thickness | 3 mm | 3 mm |
Reconstruction Spacing | 3 mm | 3 mm |
Reconstruction Algorithm | I40f (2) | I40f (2) |
Window Width and Level | 410/10 | 410/10 |
Reconstruction Comments: |
Contrast Parameters | Parameters |
Contrast Type | Non-ionic |
Contrast Volume | 120 mL |
Saline Flush | N/A |
Injection Rate | 4-5 mL/sec |
Oral Contrast | H2O |
Contrast Volume | 1000 mL |
Comments: Bolus tracking is performed off the abdominal aorta using a 230 HU trigger setting. |