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C2 Vertebral Corpectomy for Kyphosis Malunion of Remote Dens Fracture with Atlantoaxial Ankylosis and Myelopathy

A Case Report at 15 Years of Follow-Up

Bednar, Drew A. MD, FRCS, FAAOS1

doi: 10.2106/JBJS.CC.18.00086
Case Reports

Case: We report a unique case of compressive myelopathy caused by late kyphosis angulation of a previously operated dens base fracture nonunion challenged by age-related ankyloses of the lateral articulations C1 to C2 and a solid posterior fusion mass.

Conclusions: Posterior column shortening such as commonly practiced for progressive kyphosis or myelopathy may be precluded at the atlantoaxial level for potential vascular risk to the vertebral artery. A standard anterior cervical approach and the application of basic surgical spine care principles lead to a simple solution in the unique and highly complex anatomy of our case.

1Orthopedic Surgery/Spine, McMaster University, Hamilton, Ontario, Canada

E-mail address for D.A. Bednar:

Investigation performed at McMaster University, Hamilton, Ontario, Canada

Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (

Copyright © 2019 by The Journal of Bone and Joint Surgery, Incorporated
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