Os odontoideum as a rare but possible complication in children with dyskinetic cerebral palsy: A clinical and neuroradiologic study

Antonio Trabacca, Franca Dicuonzo, Leonarda Gennaro, Michele Palma, Marilena Cacudi, Luciana Losito, Marta De Rinaldis

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The authors describe a 12-year-old boy with dyskinetic (athetoid-dystonic subtype) cerebral palsy and os odontoideum. Dystonic and choreoathetotic components in cerebral palsy are movement disorders that are difficult to treat and cause major disability. Dystonic posturing causes excessive flexion, extension, and rotation of the neck. Repetitive abnormal movements in patients with this type of cerebral palsy give rise to a higher incidence of pathologic conditions affecting the craniovertebral junction. Os odontoideum is one of these pathologies, and it represents a rare anomaly of the odontoid process. There are only a few reports describing os odontoideum in children with dyskinetic cerebral palsy. This clinical and neuroradiologic study focuses on the problem of atlantoaxial instability and os odontoideum in these forms of cerebral palsy, which is too often underestimated.

Original languageEnglish
Pages (from-to)1021-1025
Number of pages5
JournalJournal of Child Neurology
Issue number8
Publication statusPublished - Aug 2011



  • athetoid
  • dyskinetic cerebral palsy
  • dystonia
  • os odontoideum

ASJC Scopus subject areas

  • Clinical Neurology
  • Pediatrics, Perinatology, and Child Health

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