Basilar invagination.

  title={Basilar invagination.},
  author={Justin S. Smith and Christopher I. Shaffrey and Mark F. Abel and Arnold H. Menezes},
  volume={66 3 Suppl},
BACKGROUND Basilar invagination is a developmental anomaly of the craniovertebral junction in which the odontoid abnormally prolapses into the foramen magnum. It is often associated with other osseous anomalies of the craniovertebral junction, including atlanto-occipital assimilation, incomplete ring of C1, and hypoplasia of the basiocciput, occipital condyles, and atlas. Basilar invagination is also associated with neural axis abnormalities, including Chiari malformation, syringomyelia… CONTINUE READING


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