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CT Protocols - Head, Face, & Neck
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 |
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 |
Latest page update: made by louisep
, Sep 18 2009, 6:41 AM EDT
(about this update
About This Update
Edited by louisep
No content added or deleted. - complete history) |
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Keyword tags:
Circle of Willis
Computed Tomography
Cranium
CT
Face
Facial Bones
Head
Neck
Protocol
Scout
Sinuses
Slice Thickness
Window Level
Window Width
More Info: links to this page
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| Started By | Thread Subject | Replies | Last Post | ||
|---|---|---|---|---|---|
| daddy_Sept28@yahoo.c | COMPLETE CT SCAN PROTOCOLS. | 1 | Sunday, 3:27 PM EST by NejaanisOzolins | ||
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Thread started: Oct 23 2009, 1:43 PM EDT
Watch
Hello there!is any body knows or any website to get a complete ct protocols using G.E.HiSpeed NX/i??
i am new ct scanner and i am using this machine,i am trying to look in the internet for complete protocols from head to feet but sad to say i couldnt' find any so please help me. |
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| ebok | sinus CT technique | 2 | Jun 19 2009, 4:59 PM EDT by eliseleblanc | ||
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Thread started: Jun 6 2009, 10:35 PM EDT
Watch
ENT's seem to prefer direct coronal sinus imaging, why ?
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Showing 2 of 2 threads for this page
