Specific Anatomic Region	Carotid Arteries
Application	Carotid artery stenosis
Author	Kuszyk B.S., Beauchamp, N.J. and Fishman, E.K. (1998).
Reference Source	Neurovascular applications of CT angiography. Semin US CT MR, 19(5), 394-404.
Scanner Used	Siemens Somatom Plus 4
Injection Rate	3cc/sec
Contrast Volume and Type	120cc of Omnipaque 350
Area Scanned	From C4 to base of skull
Scan Delay	18sec
Length of Spiral (time)	25-30sec
Slice Thickness	2mm
Table Speed/Pitch	4mm/sec or a pitch of 2
Reconstruction Interval	1mm
3D Technique Used	Volume rendering with MIP as a supplement
Comment: The key is to edit out obscuring structures in order to define the carotid aa without overlapping structures which may interfere with accuracy.