CT Protocols - Head, Face, & NeckThis is a featured page

Routine Head

Scout lateral (90 degrees)
Start angle of mandible
End vertex of skull
kVp 135
mA 300
Rotation Time 1.0sec
Raw Slice Thickness 16x0.5mm
Reconstructed Slice Thickness 5.0mm
0.5/0.4mm
Window Width/Window Level 80/30 soft tissue
3000/650 bone
Intravenous Contrast
(if indicated)
Ultravist 370 50mls hand injected
wait 5min



Temporal Bones/IAMs

Scout lateral (90 degrees)
Start below mastoids
End clear petrous bones
kVp 135
mA 250
Rotation Time 1.5sec
Raw Slice Thickness 16x0.5mm
Reconstructed Slice Thickness 0.5/0.3mm
Window Width/Window Level 4500/500
Intravenous Contrast
(if indicated)
Ultravist 370 50mls hand injected
wait 5min
Multiplanar Reconstructions axial 1-2mm thick
coronal 1-2mm thick



Circle of Willis (COW) CTA

Scout lateral (90 degrees)
Start below base of skull
End clear COW and anterior cerebrals
kVp 120
mA 250
Rotation Time 0.5sec
Raw Slice Thickness 16x0.5mm
Reconstructed Slice Thickness 3.0mm
0.5/0.3mm
Window Width/Window Level 600/120
Intravenous Contrast
(if indicated)
Ultravist 370 100mls 4.0-4.5mls/sec
manual SureStart below base of skull when contrast in carotids/vertebrals
Multiplanar Reconstructions MIPs and curved MPRs
volume rendered 3Ds
scan routine head post-contrast



Facial Bones/Sinuses

Scout lateral (90 degrees)
Start inferior maxilla
below mandible (facial bones)
End clear frontal sinuses
kVp 120
mA 180 facial bones
60 sinuses (low dose)
Rotation Time 0.5sec
Raw Slice Thickness 16x0.5mm
Reconstructed Slice Thickness 0.5/0.4mm
Window Width/Window Level 3000/650 facial bones
2500/350 sinuses
Intravenous Contrast
(if indicated)
Ultravist 370 50mls hand injected
wait 5min
Multiplanar Reconstructions axial 2-3mm thick
coronal 1.5-2mm thick
sagittal 1.5-2mm thick




Soft Tissue Neck

Scout lateral (90 degrees)
anterior posterior (0 degrees)
Start mid sphenoid
End thorocic inlet
kVp 135
mA auto
Rotation Time 0.5sec
Raw Slice Thickness 16x1.0mm
Reconstructed Slice Thickness 5.0mm
1.0/0.8mm
Window Width/Window Level 300/40
Intravenous Contrast
(if indicated)
Ultravist 370 100mls 2.0-2.5mls/sec
30sec delay




Carotid Arteries CTA

Scout lateral (90 degrees)
anterior posterior (0 degrees)
Start below aortic arch
End COW
kVp 135
mA 300
Rotation Time 0.5sec
Raw Slice Thickness 16x0.5mm
Reconstructed Slice Thickness 3.0mm
0.5/0.3mm
Window Width/Window Level 600/120
Intravenous Contrast
(if indicated)
Ultravist 370 150mls 4.0-4.5mls/sec
SureStart ROI on arch 120HU
Multiplanar Reconstructions MIPs and curved MPRs
volume rendered 3Ds



louisep
louisep
Latest page update: made by louisep , Sep 18 2009, 1:41 AM EDT (about this update About This Update louisep Edited by louisep

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