Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Etiology/Pathophysiology:
In children up to 10 years old the maximum movement in the cervical
spine with flexion and extension is at the C2-C3 level. There can be
up to 5 mm of movement between C2 and C3 due to the ligamentous
laxity at this level.
Pathology:
Not applicable
Imaging Findings:
Use posterior cervical line which is drawn between the posterior
arches of C1 to C3. With physiologic subluxation this line passes
through or less than 1 mm anterior to the posterior cortex of C2.
With a fracture of the arch of C2 this distance will be increased
since C1 and the vertebral body of C2 will slip forward at the
fracture site.
DDX:
References:
See References Chapter.
Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
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