History:

Renal donor; Artery stenosis; Nephrectomy planning

Surview:

Above diaphragm to lesser trochanters

 

Oral Contrast:

Water  500mL - 20 minutes prior

1)       IV Contrast:

25mL Omnipaque 350 - 2 mL/sec. + 50 mL saline flush

2)      IV Contrast:

75mL Omnipaque 350 - 4 mL/sec. + 50 mL saline flush

Tracker:

Level of T12

ROI:

Descending Aorta

Scan

 

Non-Contrast:

Scan top of kidneys to 3cm below aortic bifurction.

Arterial:

Top of kidneys to iliac arteries

Portal Venous:

Diaphragm to ischial tuberosities

 

BREATHING INSTRUCTIONS:

 Suspended Inspiration

 

 

Parameter Type : 

DRY

ARTERIAL

PORTAL VENOUS

Thick/Incr.

 4 @ 3

  4 @ 3

4 @ 3

Kvp

 120

120

120

mAs (ref)

ACS (125)

ACS (250)

ACS (250)

Dose Right

OFF

OFF

OFF

Z-Dom

OFF

OFF

OFF

Collimation

 128 x 0.625

 128 x 0.625

128 x 0.625

Pitch

 0.992

0.992

0.992

Rotation Time

 0.5

0.5

0.5

Scan FOV

 400

400

400

Filter

 B

B

B

iDose

iD3

iD3

iD3

Scan Delay

 NA

BOLUS PRO

70 Seconds

Thin Section Reconstructions

0.9 @ 0.45

 0.9 @ 0.45

0.9 @ 0.45

NOTE:

1)      Obtain DRY acquisition

2)      Inject first bolus of 25 mL contrast

3)      Wait ~3 minutes

4)      Inject 75 mL contrast, obtain arterial and portal venous phase images

 

 

 

Post Processing

3D Cine; Arterial MIP s (Coronal 8/2); Portal Venous MIPs (Coronal 8/2)

Archiving

Non-Contrast

4 @ 3

PACS

Arterial

2 @ 2

PACS

All Thin Sections Reconstructions

0.9 @ 0.45

Thin Client

 

Courtesy of the University of Maryland