Arachnoid Cysts in Children | Symptoms & Causes

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What causes arachnoid cysts?

Doctors still don't know what exactly causes arachnoid cysts, but they believe the cysts result from developmental abnormalities in the brain and spinal cord during early gestation. 

What are the symptoms of an arachnoid cyst?

The location and size of the arachnoid cyst will determine the degree and onset of symptoms.  Some children with the condition will never have symptoms. For those who do, typical symptoms include the following:

  • headache
  • nausea and vomiting
  • seizures
  • hearing and visual disturbances
  • vertigo
  • difficulties with balance and walking
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