PEDIATRIC CT HEAD WITHOUT CONTRAST (last updated 02/07/2022, last reviewed 02/07/2022)
INDICATION: trauma, seizure, headache, AMS, neurological defect
SERIES
- Axial Brain
- Axial Bone
- Coronal brain (3 mm)
- Sagittal brain (3 mm)
| | |
|
POSITIONING/MODE
|
supine/axial - sequential angle with canthomeatal line |
|
kV/mA/rot time
|
120 kV/automA/<1sec |
|
SLICE THICKNESS
|
5 mm |
|
PITCH
|
1 to 1.5 |
|
KERNAL
|
std brain and bone |
|
SFOV
|
less than 24 cm |
|
COVERAGE
|
foramen magnum -> vertex |
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ACQUISITION
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caudocranial |
|
IV CONTRAST
|
none |
|
CTDIvol
|
</= 35 mGy |
|
POSTPROCESSING
|
Axial brain Axial bone Coronal Brain (3 mm) Sagittal Brain (3 mm) |
NOTES:
***For pediatric patients (<18 yo) follow ALARA principle and use pediatric specific technical parameters per respective CT scanner***
avoid lens exposure