A member asked:

How common is it to have multiple arachnoid cysts (one in right temporal and one in left frontal lobe) both approx 5mm in size?

A doctor has provided 1 answer

Dr. Andrew Reeves answered

2 cysts: Having 2 isn't as common as 1, of course. At 5mm they are tiny compared to most. Rarely are they anything to worry about.

Answered 10/28/2013

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A member asked:

How common is it to have multiple arachnoid cysts (one in right temporal and one in left frontal lobe) both approx 5mm in size?

A doctor has provided 1 answer

Dr. Andrew Reeves answered

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I am diagnosed with an arachnoid cyst in my left frontal lobe. 1st MRI showed the size: 924342mm. Recent MRI showed the Size: 9845*35. I tolerated steroids for four days just. Now having bad headaches. Shunt surgery is really the only option?