Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

N/A

N/A

N/A

N/

Arterial Phase

Yes

Bolus triggered

Inspiration

Kidney Through iliac artery bifurcation

Venous Phase

N/A

N/A

N/A

N/A

Delayed Phase

Yes

2 min

Inspiration

Kidneys only

Scan Comments: Scan ranges are limited to a specific area of interest to avoid unnecessary patient dose. 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. The quality reference mAs can be lowered on delayed images (250 mAs).

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 perfomed off the abdominal aorta using a 230HU trigger setting.