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Modern treatment of the symptomatic os odontoideum

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Summary

A new surgical procedure for treatment of congenital, symptomatic atlanto-axial instability (os odontoideum) is described. Two metallic clamps, with an integrated inner spring for maintaining continuous pressure on a cortico-cancellous bone-graft implanted into the interlaminar space, are fixed posteriorly on the vertebral arches C1/2 next to the graft. Because of the initial solid segment-stability external fixation is unnecessary. Posterior interlaminar osteosynthesis prevents late neurological complications caused by a mobile os odontoideum.

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Roosen, C., Grote, W. & Trauschel, A. Modern treatment of the symptomatic os odontoideum. Neurosurg. Rev. 6, 229–233 (1983). https://doi.org/10.1007/BF01743104

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Keywords

  • Atlanto-axial instability
  • dens-pseudoar-throsis
  • interlaminar osteosynthesis
  • os odontoideum
  • posterior atlanto-axial fusion