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5 Facts you should know about

Arnold–Chiari malformation

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1

Arnold–Chiari malformation is a malformation of the skull

2

Caused by structural defects in the brain and spinal cord

Most often it is caused by structural defects in the brain and spinal cord that occur during fetal development.

3

It consists of a downward displacement

of the cerebellar tonsils through the foramen magnum.

4

Cerebrospinal fluid outflow

The cerebrospinal fluid outflow is caused by phase difference in outflow and influx of blood in the vasculature of the brain.

5

Chiari malformation

Headache is the hallmark sign of Chiari malformation, especially after sudden coughing, sneezing, or straining.

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