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Joseph Junewick, MD FACR
over 7 years ago
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Congenital C2 Spondylolysis

Case Detail

Anatomy: Brain-Spine
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Developmental or Congenital
Created: over 7 years ago
Updated: over 7 years ago
Tags: PEDS
Modality/Study Types: CR
Activities:
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History

16 month old male with minor injury and no neurologic deficit.


Case Images


Diagnosis

Congenital C2 Spondylolysis

Findings

CR – Cross-table lateral radiograph demonstrates lucent defect in the pars interarticularis of C2 with sclerotic margins and normal alignment.

Discussion

Congenital spondylolysis of the cervical spine is very rare. The embryologic basis is related to lack of development of the pars interarticularis chondrification center. This results in enlargement of the neural foramen and dysplastia of the artricular pillar, lamina and transverse process.

Reference

Currarino G. Primary spondylolysis of the axis vertebra (C2) in 3 children, including one with pyknodysostosis. Pediatr Radiol (1989); 19:535-538.

Konez O, Goyal M, Ciaverella DP. Bilateral absence of the pars interarticularis of C2: Developmental or post-traumatic abnormality. Emerg Radiol (2001); 8:48-50.



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