Roughly 4% of the population is affected by a congenital brain malformation that has eluded researchers' efforts to find causes and treatments.

Then a contrast MRI screening eventually showed their cause. Hailey had a Chiari malformation - an anatomical condition where her skull shape forces the lower part of the cerebellum (the part of ...

For the condition, Chiari type-1 malformation, the diagnosis is straightforward ... though some patients continue to experience effects despite surgery. Other cases may be managed with pain ...

Chiari malformation results from a structural defect ... Treatment may include pain medications or surgery. If the condition is symptomless, the doctor may recommend only regular monitoring.

For the condition, Chiari type-1 malformation, the diagnosis is straightforward ... though some patients continue to experience effects despite surgery. Other cases may be managed with pain ...