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These protocols are based on a 128 slice dual source Siemens CT. Some factors may need to be adjusted for a different CT.

Guideline identity image

CT - Sinus XCARE

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Saphire 2 on all reconstructions

Indication - Sinusitis
- headaches
- polyps
- fungal balls
- TB
- infection
Patient Position - head first
- supine
- inferior margin of the orbit perpendicular
Scan Area CT Sinus Rad
Start below hard palate                             
Finish just above the superior aspect of the frontal sinuses
Quality ref mAs/
Time per rotation
Child care kV on
Adult care kV semi
Care dose 4D on
Child 100 (Adult 120) Child 50 (Adult 50) 1.0s
Detector Collimation 0.6mm
Slice Thickness 3mm Pitch 0.55
IV Contrast  1mL/kg 300 concentration if required max 50mls
Care Bolus Nil
Scan Delay 2-3 minutes
Reconstructions 3mm        J70h Sinuses
3mm        J30s Mediastinum
0.75mm   J37s Mediastinum
0.75mm   J70h Sinuses
Post Processing  3x3mm    J37s Mediastinum Coronal MPR
1x1mm    J70h Sinuses Axial, Sagittal (ethmoids only) and Coronal MPR

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  • Date last published: 12 December 2017
  • Document type: Imaging Protocol
  • Services responsible: Paediatric Radiology

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