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, the ...

Chiari malformations are a heterogeneous group of disorders comprising abnormalities associated with the hindbrain. The most common types are Chiari 1 malformation (CM-I) and Chiari 2 malformation (CM ...

Dear Dr. Roach: My older daughter has had headaches most of her life. When she was young, she thought it was normal. Severe migraines started around 1995. Many doctors later, they came up with ...

DEAR DR. ROACH: My older daughter has had headaches most of her life. When she was young, she thought it was normal. Severe migraines started around 1995. Many doctors later, they came up with ...

MIAMI. (KFSN) -- As most of us know first-hand, headaches are annoying and can often be debilitating. In some cases, they can actually be life-threatening. Some people are born with a condition that ...

Chiari Malformation Type I: T1-weighted with gadolinium sagittal MRI. Note that in Chiari malformation type I the brainstem and cerebellar tonsils descend below the foramen magnum. This malformation ...

A Chiari malformation (CM) is a type of structural change that affects the lower part of the brain. It’s most often due to a congenital condition that affects the shape or size of the skull.

Chiari Malformation Type II: T1-weighted sagittal and parasagittal MRIs. The sagittal scans show several abnormalities, including descent of the cerebellar tonsils, an elongated 4th ventricle, a ...