;Choice of investigation
In trauma, a normal clinical evaluation may clear the neck without diagnostic imaging, but when indicated, recommendations differ somewhat between children and adults:
*In '''children''', '''[[CT of the neckin trauma]] ''' is indicated in more severe cases such as neurologic deficits, whereas [[X-ray of the cervical spine]] is preferable in milder cases, by both US<ref name=UpToDateChildren>{{cite web|url=https://www.uptodate.com/contents/evaluation-and-acute-management-of-cervical-spine-injuries-in-children-and-adolescents|title=Evaluation and acute management of cervical spine injuries in children and adolescents|author=Julie C Leonard|date=2018-02-12|website=UpToDate}}</ref> and UK<ref name=NICE>{{cite web|url=https://www.nice.org.uk/guidance/CG176|title=Head injury: assessment and early management|date=2014|website=National Institute for Health and Care Excellence (NICE)}} Updated in June 2017</ref> guidelines. Swedish guidelines recommend CT rather than X-ray in all children over the age of 5.<ref>{{cite web|url=https://vardgivare.skane.se/vardriktlinjer/medicinska-omraden/akutsjukvard/vardprogram-riktlinjer/traumamanual/#Nackskada|website=Region Skåne|title=Traumamanual}} Last updated: 2018-03-29}}</ref>
*In '''adults''', UK guidelines are largely similar as in children.<ref name=NICE/> US guidelines, on the other hand, recommend [[CT of the neck]] in all cases where medical imaging is indicated, and that [[X-ray of the cervical spine]] is only acceptable where CT is not readily available.<ref>{{cite web|url=https://www.uptodate.com/contents/evaluation-and-acute-management-of-cervical-spinal-column-injuries-in-adults|title=Evaluation and acute management of cervical spinal column injuries in adults|date=2018-05-24|author=Amy Kaji, Robert S Hockberger}}</ref>