Chiari malformation (CIM) presents an interesting pathology, affecting both children and adults. It is described as a downward displacement of the cerebellar tonsils through the foramen magnum (Fig 1). This downward displacement of the cerebellar tonsils (more than 5-7mm below the foramen magnum) is the primary cause of signs and symptoms observed. This herniation can be a result of congenital or acquired malformations. There are several theories yet to be […]