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|author1=[[User:Mikael Häggström|Mikael Häggström]]
|author2=
}}
==Planning==
===Choice of investigation===
{{Neck trauma - choice of investigation}}
==Evaluation==
*Any fracture lines?
*Incongruences? Lines drawn along the anterior and posterior surfaces of vertebrae as well as the spinous processes should be smooth. Also, the distances between vertebrae and spinous processes should be compared.
*Prevertebral thickening?
===Prevertebral thickening===
Upper limits of values vary with body constitution of the patient, but in adults they are generally:<ref name="RojasVermess2009">{{cite journal|last1=Rojas|first1=C.A.|last2=Vermess|first2=D.|last3=Bertozzi|first3=J.C.|last4=Whitlow|first4=J.|last5=Guidi|first5=C.|last6=Martinez|first6=C.R.|title=Normal Thickness and Appearance of the Prevertebral Soft Tissues on Multidetector CT|journal=American Journal of Neuroradiology|volume=30|issue=1|year=2009|pages=136–141|issn=0195-6108|doi=10.3174/ajnr.A1307}}</ref>
*C1: 8.5 mm
*C2: 6 mm
*C3: 7 mm
*C4/C5: variable due to variable height for cricoid/oesophagus
*C6: 18 mm
*C7: 18 mm
The following are upper limits for prevertebral spaces in children:<ref>{{cite web|url=https://radiopaedia.org/articles/perivertebral-space|author=Jeremy Jones|website=Radiopaedia}}</ref>
{|class="wikitable
! Age !! C2 !! C6
| 0-2 years || 7.6 mm || 9.0 mm
|-
| 3-6 years || 8.4 mm || 9.8 mm
|-
| 7-10 years || 6.8 mm || 12.1 mm
|-
| 11-15 years || 6.8 mm || 14.5 mm
|}
{{Bottom}}
|author1=[[User:Mikael Häggström|Mikael Häggström]]
|author2=
}}
==Planning==
===Choice of investigation===
{{Neck trauma - choice of investigation}}
==Evaluation==
*Any fracture lines?
*Incongruences? Lines drawn along the anterior and posterior surfaces of vertebrae as well as the spinous processes should be smooth. Also, the distances between vertebrae and spinous processes should be compared.
*Prevertebral thickening?
===Prevertebral thickening===
Upper limits of values vary with body constitution of the patient, but in adults they are generally:<ref name="RojasVermess2009">{{cite journal|last1=Rojas|first1=C.A.|last2=Vermess|first2=D.|last3=Bertozzi|first3=J.C.|last4=Whitlow|first4=J.|last5=Guidi|first5=C.|last6=Martinez|first6=C.R.|title=Normal Thickness and Appearance of the Prevertebral Soft Tissues on Multidetector CT|journal=American Journal of Neuroradiology|volume=30|issue=1|year=2009|pages=136–141|issn=0195-6108|doi=10.3174/ajnr.A1307}}</ref>
*C1: 8.5 mm
*C2: 6 mm
*C3: 7 mm
*C4/C5: variable due to variable height for cricoid/oesophagus
*C6: 18 mm
*C7: 18 mm
The following are upper limits for prevertebral spaces in children:<ref>{{cite web|url=https://radiopaedia.org/articles/perivertebral-space|author=Jeremy Jones|website=Radiopaedia}}</ref>
{|class="wikitable
! Age !! C2 !! C6
| 0-2 years || 7.6 mm || 9.0 mm
|-
| 3-6 years || 8.4 mm || 9.8 mm
|-
| 7-10 years || 6.8 mm || 12.1 mm
|-
| 11-15 years || 6.8 mm || 14.5 mm
|}
{{Bottom}}
