CT CHEST/ABDOMEN C-
(last updated 6/20/2016, last reviewed 02/07/2022)
(last updated 6/20/2016, last reviewed 02/07/2022)
INDICATION: Same as for CT C/A C+ with contraindication to IV contrast, or if specifically requested by referring MD.
SERIES
- 3mm Axial Chest Soft Tissue
- 1mm Axial Lung
- 3mm Axial Abdomen
- 3mm Coronal chest only (Lung windows)
- 3mm Sagittal chest only (Lung windows)
- 3mm Coronal Abd only
- 3mm Sagittal Abd only
| | CHEST | ABDOMEN |
|
POSITIONING/MODE
|
supine/helical |
supine/helical |
|
kV/mA/rot time
|
120kV/auto mA/0.5 sec |
120kV/auto mA/0.5 sec |
|
DETECTOR COLLIMATION
|
16 x 1.5mm (S16) 24 x 1.2 mm (D64) |
16 x 1.5mm (S16) 24 x 1.2 mm (D64) |
|
SLICE THICKNESS
|
3mm / 1mm |
3mm |
|
PITCH
|
1 to 1.5 |
1 to 1.5 |
|
TABLE FEED
|
4.8 cm/sec (S16) 5.8 cm/sec (D64) |
4.8 cm/sec (S16) 5.8 cm/sec (D64) |
|
KERNAL
|
std and lung |
std |
|
SFOV
|
large |
large |
|
COVERAGE
|
thoracic inlet -> diaphragm |
diaphragm -> pubic symphysis |
|
ACQUISITION
|
craniocaudal |
craniocaudal |
|
ORAL CONTRAST
|
yes |
yes |
|
IV CONTRAST
|
none |
none |
|
RESPIRATION
|
Inspiration |
Inspiration |
|
POSTPROCESSING
|
3mm Cor and Sag (lung windows, chest only) |
3mm Cor and Sag (abdomen only) |
NOTES:
***For pediatric patients (<18 yo) follow ALARA principle and use pediatric specific technical parameters per respective CT scanner***