| Imaging protocol |
---|---|
Intravenous contrast enhancement | Â |
Intravenous access | Antecubital, not lower extremity |
Contrast material | Iodine, 400 to 800Â mg/kg |
Scan timing | Portal venous phase |
Scan | Â |
Range | From 4Â cm above the liver dome to 1Â cm below the ischial tuberosity |
Collimation | Use all detector rows available |
Automatic exposure control | Use all techniques available |
Reconstruction | Â |
Thick transverse images | Section thickness, 3 to 5Â mm; overlap, 20% or more |
Thin transverse images | Section thickness ≤2 mm; reconstruction interval ≤1 mm |