chiari malformation causes

What is Chiari Malformation? Chiari malformation (pronounced kee-AH-ree mal-for-MAY-shun) is a medical condition characterized by the displacement of brain tissue into the spinal canal. This condition arises when a portion of the skull is misshapen or smaller than usual, causing pressure on the brain and its downward displacement. Although Chiari malformation is relatively uncommon, the…