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A member asked:
At what size is an arachnoid cyst considered large?
A doctor has provided 1 answer
Usually 3cm and above is considered large enough to be treated but a smaller size can become a problem depending on the location. Most arachnoid cysts do not need treatment
Answered 12/14/2021
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How common is it to have multiple arachnoid cysts (one in right temporal and one in left frontal lobe) both approx 5mm in size?
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