Editing Head and Neck

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! Indication
! Brief description
! Slice thickness and reconstruction kernel
!Further details of contrast timing/explanation of what the radiographers do
! Abbreviation
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ENT cancer staging chest
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CT chest (contrast)
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1 mm B30f, 1 mm B70f both 0.7 mm increment.
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65 seconds
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CT chest + c
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Recurrent laryngeal nerve palsey
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CT neck to carina
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ENT neck protocol - place info here<br />
Need to cover the course of the recurrent laryngeal nerve from skull base to under arch of aorta on left and subclavian on right
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ENT neck from skull base to carina
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Parathyroid scans
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Scanned at 25 seconds
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| Laryngeal cancer
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ENT neck, during free breathing, no breath hold, no coughing, no swallowing, or saying "eeeeee", so vocal cords are not opposed
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TMJ disease?
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Use cone beam CT for diagnosis. Consider MR for soft tissue or disc visualisation
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N/A
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N/A
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N/A

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TMJ disease? When cone beam out of action
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TMJs only without including orbits
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1 mm slice width with 1 mm or less increment. B30s, and H30s or equivalent kernel and bony recons
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N/A
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TMJs only (diagnostic scan)

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Cause of TMJ ankylosis. When cone beam out of action
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TMJs and whole mandible
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1 mm slice width with 1 mm or less increment. B30s, and H30s or equivalent kernel and bony recons
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N/A
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TMJs including mandible

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TMJ implant planning
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For those patients requiring TMJ implants 
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1 mm slice width with 1 mm or less increment. H30s or equivalent kernel, not edge enhancing kernel
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Mouth in occlusion, neutral position, no gantry tilt. X-care or equivalent orbital dose reduction. Further details here: [http://tmjconcepts.com/tmj/files/CT_Scan_Protocol_F071-H.pdf TMJ Concepts protocol]
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CT TMJ planning


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