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Chiari 1 Malformation - Case 2

A 43 year-old woman presented with neck pain and stiffness.

Show the Chairi Malformation

T2-weighted MRI Scans: (Left) Sagittal; (right) Axial. Note in the Chiari malformation that the brainstem and cerebellar tonsils descend below the foramen magnum. In this case, the cerebellum and caudal brainstem descended 17 mm below the foramen magnum. There are various types of Chiari malformations. In Type I, the malformation is limited to descent of the brainstem and cerebellum into the spinal canal. Other types may be associated with midbrain malformations, aqueductal stenosis, and myelomeningocele.

Revised 05/21/06.
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