Pediatric Radiology > Neurological > Developmental Abnormalities > Chiari I


Chiari I

Chiari I malformation is the abnormal inferior location of the cerebellar tonsils below the foramen magnum. The medulla and fourth ventricle are typically normal. It is best visualized on sagittal MRI images. Complications include hydrocephalus and hydrosyringomyelia/syrinx.

   
Chiari I  



© Copyright Rector and Visitors of the University of Virginia 2013