Vascular

Renal arteries: Renal artery stenosis evaluation

Specific Anatomic Region

Renal arteries

Application

Renal artery stenosis evaluation

Author

Smith, P.A. and Fishman E.K.

Reference Source

Three-dimensional CT angiography: Renal applications. Semin US CT MR, 19(5), 413-424.

Scanner Used

Siemens Somatom Plus or Plus-4

Injection Rate

3ml/sec

Contrast Volume and Type

120-150cc Omnipaque 350

Area Scanned

Entire length of both kidneys

Scan Delay

25sec

Length of Spiral (time)

30-40sec

Slice Thickness

2mm

Table Speed/Pitch

3-4mm/sec

Reconstruction Interval

1mm

3D Technique Used

Volume rendering

Comment: This protocol covers both kidneys and so can evaluate multiple renal aa. A set of noncontrast scans are obtained to first define the area of interest.