An MRI scan shows a Chiari type-1 malformation, in which the cerebellum extends beyond the gap in the skull where it connects to the spinal cord. Researchers at Washington University School of ...

Unless you know someone who has been diagnosed with a Chiari malformation ... condition in which the lower part of the back of the brain pushes down into the spinal canal. It can cause severe ...

Roughly 4% of the population is affected by a congenital brain malformation that has eluded researchers' efforts to find causes and treatments. For the condition, Chiari type-1 malformation ...