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 ...

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 ...

You don't hear much about Chiari malformations, and it is difficult to know exactly how common they are. This is largely because many people with a Chiari malformation do not suffer any symptoms ...