| Specific Anatomic Region |
Colon |
| Application |
Focused virtual colonoscopy (i.e.
stage rectal cancer) |
| Author |
Fishman EK |
| Reference Source |
Personal Communication |
| Scanner Used |
Siemens Plus4 Volume Zoom |
| KV / mAs / Time per Rotation
(sec) |
140 / 210 / .5 |
| Detector Collimation (mm) |
1 |
| Slice Thickness (mm) |
1.25 |
| Data Reconstruction Interval
(mm) |
1 |
| Table Speed (mm per rotation)
/ Pitch |
6 / 6 |
| Oral Contrast |
N/A (rectal air only) |
| IV Contrast Volume and Type |
120 cc of Omnipaque 350 |
| Injection Rate |
3 cc / sec |
| Scan Delay (sec) |
50 sec |
| 3D Technique Used |
Volume rendering and MPR |
|
Comments:
- The pelvis protocol is chosen, which includes a filter to reduce
beam hardening artifacts. The rest of the abdomen, including the liver,
can be scanned with 5mm collimation.
- Scan from the pelvis to the diaphragm. This allows the liver to
be scanned in the portal phase.
|
