Condylar Joint Fusion and Stabilization (by Screws and Plates) in Nontraumatic Atlanto-Occipital Dislocation: Technical Report of 2 Cases

Nontraumatic spontaneous atlanto-occipital dislocation (AOD) is rare. In this report, we discuss the technical steps of condylar joint fusion and stabilization (by screws and plates) in nontraumatic AOD. To the best of our knowledge, it is the first report of such techniques. A young girl and a youn...

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Bibliographic Details
Published in:World neurosurgery 2017-11, Vol.107, p.54-62
Main Authors: Chowdhury, Forhad H., Haque, Mohammod Raziul, Alam, Sarwar Murshed, Khaled Chowdhury, S.M. Noman, Khan, Shamsul Islam, Goel, Atul
Format: Article
Language:English
Subjects:
Adult
Arthrodesis
Atlanto-occipital dislocation
Atlanto-Occipital Joint - diagnostic imaging
Atlanto-Occipital Joint - surgery
Bone Plates
Bone Screws
C1 lateral mass
Condylar joint fusion
Female
Humans
Joint Dislocations - complications
Joint Dislocations - diagnostic imaging
Joint Dislocations - surgery
Male
Microsurgery
Occipital condylar screw
Plate fixation
Quadriplegia - diagnostic imaging
Quadriplegia - etiology
Quadriplegia - surgery
Vertebral Artery - diagnostic imaging
Vertebral Artery - surgery
Vertebral artery mobilization
Young Adult
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Summary:Nontraumatic spontaneous atlanto-occipital dislocation (AOD) is rare. In this report, we discuss the technical steps of condylar joint fusion and stabilization (by screws and plates) in nontraumatic AOD. To the best of our knowledge, it is the first report of such techniques. A young girl and a young man with progressive quadriparesis due to nontraumatic spontaneous atlanto-occipital dislocation were managed by microsurgical reduction, fusion, and stabilization of the joint by occipital condylar and C1 lateral mass screw and plate fixation after mobilization of vertebral artery. In both cases, condylar joints fixation and fusion were done successfully. Condylar joint stabilization and fusion may be a good or alternative option for AOD.
ISSN:1878-8750
1878-8769
DOI:10.1016/j.wneu.2017.07.127