For the condition, Chiari type-1 malformation, the diagnosis is straightforward: the lower part of the brain, known as the cerebellum, protrudes at least five millimeters through the gap in the ...

For people who are born with Chiari Malformation type 1, or CM1––a skull abnormality that pushes the back of the brain down into the opening at the base of the skull––a surgical ...

Now 19, Emily has endured excruciating pain caused by Chiari malformation, a disorder where the lower part of the brain falls out of the skull and presses into the spinal canal. "I took it quite ...