NDLI: C1–C2 fusion with absence of C1 posterior arch and presence of C2 high-riding vertebral artery: Is it possible?

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C1–C2 fusion with absence of C1 posterior arch and presence of C2 high-riding vertebral artery: Is it possible?

Content Provider	SAGE Publishing
Author	Wong, Tat Seng Muhammad Lutfi Abdul Rashid Hasan, Mohd Shahnaz Chiu, Chee Kidd Chris Yin Wei Chan Kwan, Mun Keong
Copyright Year	2019
Abstract	The presence of anatomical anomalies such as absence of C1 posterior arch and presence of C2 high-riding vertebral artery may not allow a conventional C1–C2 fusion, and this patient will require occipitocervical fusion. A 62-year-old lady presented with cervical myelopathy. CT scan demonstrated an os odontoideum with C1–C2 dislocation. The posterior arch of atlas on right C1 vertebra was absent, and there was high-riding vertebral artery on left C2. MRI revealed severe cord compression with cord oedema. The chronic atlantoaxial dislocation was reduced successfully with skeletal traction. Hybrid C1–C2 fusion augmented with autogenous local bone graft with corticocancellous iliac crest bone graft was performed to avoid an unnecessary occipitocervical fusion. She was stable throughout surgery and discharged 6 days later. CT scan 6 months post-operation showed a solid posterior fusion mass. Hybrid C1–C2 fusion can be performed to avoid occipitocervical fusion despite presence of abnormal anatomy at C1 and C2 vertebrae.
Related Links	https://journals.sagepub.com/doi/pdf/10.1177/2309499019840763?download=true
ISSN	10225536
Issue Number	2
Volume Number	27
Journal	Journal of Orthopaedic Surgery (OSJ)
e-ISSN	23094990
DOI	10.1177/2309499019840763
Language	English
Publisher	Sage Publications UK
Publisher Date	2019-04-07
Publisher Place	London
Access Restriction	Open
Rights Holder	© The Author(s) 2019
Subject Keyword	high-riding vertebral artery lateral mass screw os odontoideum transarticular screw atlantoaxial dislocation C1–C2 fusion laminar screw
Content Type	Text
Resource Type	Article
Subject	Surgery

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