Hydrocephalus is due to a trouble with the flow of cerebrospinal fluid (CSF), the liquid that surrounds the brain and spinal cord.
CSF moves throughout pathways of the brain called ventricles. It also flows around the exterior of the brain and through the spinal canal. Higher-than-normal amounts of CSF can occur in the brain if the flow or combination of CSF is blocked, or if too much CSF is produced. The build up of liquid puts pressure on the brain, pushing the brain up against the skull and damaging or destroying brain tissues.
The symptoms depend on the cause of the blockage, the person's age, and how much brain tissue has been injured by the swelling.
CSF moves throughout pathways of the brain called ventricles. It also flows around the exterior of the brain and through the spinal canal. Higher-than-normal amounts of CSF can occur in the brain if the flow or combination of CSF is blocked, or if too much CSF is produced. The build up of liquid puts pressure on the brain, pushing the brain up against the skull and damaging or destroying brain tissues.
The symptoms depend on the cause of the blockage, the person's age, and how much brain tissue has been injured by the swelling.
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