| Specific Anatomic Region | Carotid Arteries |
| Application | Carotid artery stenosis |
| Author | Kuszyk, B.S.,Beauchamp, N.J.J., and Fishman, E.K. (1998). |
| Reference Source | Neurovascular applications of CT angiography. Semin US CT MR, 19(5), 394-404. |
| Scanner Used | Siemens Ultra CT MR |
| 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. | |