| Specific Anatomic Region | Circle of Willis |
| Application | Detection and assessment of intracranial aneurysm |
| Author | Liang EY et al. |
| Reference Source | AJR 1995; 165:1497-1502 |
| Scanner Used | GE HiSpeed Advantage |
| Injection Rate | 3ml/sec |
| Contrast Volume and Type | 135ml of Ioxphol 300 |
| Area Scanned | From floor of sella through mid brain |
| Scan Delay | 20sec |
| Length of Spiral (time) | 35sec |
| Slice Thickness | 1mm |
| Table Speed/Pitch | 1mm/sec |
| Reconstruction Interval | 1mm |
| 3D Technique Used | Shaded-surface display |
| Comment: The authors in this article stress the value of 3D imaging for the evaluation of aneurysms. | |