Arnold-Chiari malformation type 2: A rare malformation where the base of the brain enters into the upper spinal canal. The extent of the deformity is greater in type 2 than type 1 and hence the symptoms are more severe and are often associated with a myelomeningocele (opening of the spine and spinal cord). More detailed information about the symptoms, causes, and treatments of Arnold-Chiari malformation type 2 is available below.
See full list of 29 symptoms of Arnold-Chiari malformation type 2
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Arnold-Chiari malformation type 2 is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Arnold-Chiari malformation type 2, or a subtype of Arnold-Chiari malformation type 2,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
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