The cerebellar tonsils were also prominent, without definite herniation.
There was no herniation of the temporal lobe unci or cerebellar tonsils.
6, functional cranial settling was associated with notable displacements that included reduction of the basion-dens interval, posterior gliding of the occipital condyles, anterior flexion of the occipitoatlantal joint, increased basilar impression, and cerebellar ptosis with downward displacement of the cerebellar tonsils.
Milhorat and his team discovered, using MRI, was that cerebral spinal fluid (CSF) flow was restricted or blocked around the cerebellar tonsils for patients with Chiari Malformation.
Chiari I malformation consists of herniation of the cerebellar tonsils into the foramen magnum, thus crowding the craniocervical junction.
Chiari I malformation is a herniation of the cerebellar tonsils into the foramen magnum.
Subsequent magnetic resonance imaging detected a herniation of the cerebellar tonsils
to the level of C2 and the presence of a cervical syrinx--findings consistent with a Chiari I malformation.
Also, patients with Chiari syndrome, wherein the cerebellar tonsils
of the brain become entrapped in the foramen magnum at the base of the skull, can now have their pathology fully visualized for the first time.