A 48-year-old member asked:
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heard the term arachnoid cyst- info please. ?

1 doctor answer
Dr. Edward Smith
53 years experience Neurosurgery
Spinal fluid balloon: Arachnoid is a membrane in the nervous system which is in contact with spinal fluid. Sometimes the fluid is entrapped in folds of the arachnoid causing a pocket of fluid to form either in skull or spinal canal. At times the cyst can enlarge causing brain or spinal cord compression. Arachnoid cysts can be present at birth or develop later.
Answered on Mar 8, 2014
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Dr. Heidi Fowler
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Arachnoid cyst: Arachnoid cyst = collection of fluid within the arachnoid membrane - which covers the brain or spinal cord.
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Dr. Prem Gupta
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Usually asymptomatic: If and when there are any symptoms, they depend on location and size of the cyst in brain
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