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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Split C1
Definitions
- Anterior, posterior C1 arch defects → 2 C1 hemirings
IMAGING
General Features
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Salunke P et al: 'Congenital anomalies of craniovertebral junction presenting after 50 years of age': an oxymoron or An unusual variation? Clin Neurol Neurosurg. 165:15-20, 2018
- da Silva OT et al: Role of dynamic computed tomography scans in patients with congenital craniovertebral junction malformations. World J Orthop. 8(3):271-7, 2017
- Petraglia AL et al: Bipartite atlas in a collegiate football player - not necessarily a contraindication for return-to-play: A case report and review of the literature. Surg Neurol Int. 3:126, 2012
- Choi JW et al: Congenital cleft of anterior arch and partial aplasia of the posterior arch of the c1. J Korean Neurosurg Soc. 49(3):178-81, 2011
- Pang D et al: Embryology and bony malformations of the craniovertebral junction. Childs Nerv Syst. 27(4):523-64, 2011
- Tachibana A et al: Torticollis of a specific C1 dislocation with split atlas. Spine (Phila Pa 1976). 35(14):E672-5, 2010
- Menezes AH: Craniocervical developmental anatomy and its implications. Childs Nerv Syst. 24(10):1109-22, 2008
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Split C1
Definitions
- Anterior, posterior C1 arch defects → 2 C1 hemirings
IMAGING
General Features
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Salunke P et al: 'Congenital anomalies of craniovertebral junction presenting after 50 years of age': an oxymoron or An unusual variation? Clin Neurol Neurosurg. 165:15-20, 2018
- da Silva OT et al: Role of dynamic computed tomography scans in patients with congenital craniovertebral junction malformations. World J Orthop. 8(3):271-7, 2017
- Petraglia AL et al: Bipartite atlas in a collegiate football player - not necessarily a contraindication for return-to-play: A case report and review of the literature. Surg Neurol Int. 3:126, 2012
- Choi JW et al: Congenital cleft of anterior arch and partial aplasia of the posterior arch of the c1. J Korean Neurosurg Soc. 49(3):178-81, 2011
- Pang D et al: Embryology and bony malformations of the craniovertebral junction. Childs Nerv Syst. 27(4):523-64, 2011
- Tachibana A et al: Torticollis of a specific C1 dislocation with split atlas. Spine (Phila Pa 1976). 35(14):E672-5, 2010
- Menezes AH: Craniocervical developmental anatomy and its implications. Childs Nerv Syst. 24(10):1109-22, 2008
