Choroid Plexus Cyst & Autism
While the cause of autism is unknown, there are many theories. One of these is the relationship between autism and choroid plexus cysts.
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Autism
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Autism, a complex neurological disorder affecting communication and social interaction, is observable in "restricted stereotyped behavior, interests and activities" as per the diagnostic criteria in the DSM-IIII. It is usually diagnosed around age 2, although some people can go undiagnosed well into adulthood. In the U.S., autism affects about 1 in every 100 children (as of 2010).
Choroid Plexus Cyst
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Choroid plexus cysts are small bubbles of cerebrospinal fluid that form in the choroid plexus, a part of the brain. Occurring in 1 to 3 percent of pregnancies, they are not uncommon and are considered a "soft marker" (possible sign of a chromosomal abnormality) for extremely rare Trisomy disorders such as Down and Edwards' syndrome. They usually disappear on their own by the third trimester.
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Relationship Between Choroid Plexus Cysts & Autism
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While it has been theorized by some parents that these cysts were the cause of their child's autism, no research completed as of 2010 supports this possibility. The cysts are considered harmless and of note only as markers of genetic disorders.
A Few Facts
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Choroid plexus cysts form in a part of the brain that does not involve speech or development. Autism, which affects mainly speech and development, has a strong genetic component with family members frequently showing autistic-type traits, but it is neither deadly nor a physical disability. Trisomy disorders are genetic abnormalities that occur when there are three chromosomes in a place where there are normally two. Some Trisomy disorders may be fatal (such as Edwards) while others, such as Down syndrome, are milder. They are not related to autism.
More Information
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If you believe your child has autism caused or identified by a cyst, a possible route for answers is to approach local universities about a research study. It may take years and many studies before a conclusive answer is reached, but the accepted wisdom is that cysts do not damage the brain. Whether they may be a soft marker for autism is unknown.
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