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Doctor insights on: Arachnoid Cyst Surgery

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Cyst (Definition)

A cyst is a structure or mass that consists of a cellular lined sac. It is typically filled with fluid but may be filled with solid material. It can be congenital, traumatic, or acquired. They may develop nearly anywhere in the body and usually require complete excision for eradication or they are likely to recur. Fluid filled sacs that are not cellular lined ...Read more


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How often with arachnoid cysts does it require surgery?  

How often with arachnoid cysts does it require surgery?  

Rarely: Uless enlarging and causing neurological symptoms specific to that cyst, nothing is surgically done usually.Monitoring is important. ...Read more

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I have been diagnosed with a arachnoid cyst, what can I do besides surgery to live with this?

Likely benign: Arachnoid cysts are congenital lesions and if you have made it into adulthood, it is unlikely to need any intervention . If surgery is recommended, make sure to find out why as unless there are progressive neurological deficits directly attributable to the cyst, surgery is not indicated. ...Read more

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I have a chiari 1 malformation, and an arachnoid cyst, how do I know if I am a candidate for surgery?

See a neurosurgeon: Depending on the location of the arachnoid cyst and the degree of cerebellar tonsilar ectopia from your chiari, you may well be a surgical candidate. Posterior fossa arachnoid cysts are a common cause of secondary chiari malformations(if the cyst is large enough to create increased pressure, it can push the bottom of the cerebellum through the foramen magnum, causing the chiari). See neurosurgeo. ...Read more

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I have an arachnoid cyst and a chiari 1 malformation. I know it depends on the person but how likely is it that I will need surgery?

I have an arachnoid cyst and a chiari 1 malformation. I know it depends on the person but how likely is it that I will need surgery?

Only eval will tell: The only way to know if you'll need surgery is your exam by a neurosurgeon who does chiari decompressions. He will thoroughly evaluate your clinical symptoms, physical symptoms, MRI findings and base his opinion on those findings. Most arachnoid cysts do not require surgery as they are present from the beginning of your brain development. See a neurosurgeon and good luck! ...Read more

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I have dizzyness and nausea with ringing in my ear and a arachnoid cyst and chiari 1 malformation will I need surgery? 

I have dizzyness and nausea with ringing in my ear and a arachnoid cyst and chiari 1 malformation will I need surgery? 

Not necessarily: The dizziness and nausea are not really classic symptoms of a chiari malformation nor arachnoid cyst. But this opinion would really need to be given by a neurosurgeon who is also reviewing your MRI of your brain. See a local neurosurgeon for a full evaluation and surgical opinion. ...Read more

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Heard the term arachnoid cyst- info please. ?

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. ...Read more

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My granddaughter got diagnosed with an arachnoid cyst. What happens to such a baby?

More details please: The location and size of the cyst impact the treatment decisions. Is this a primary or secondary cyst> how old is your granddaughter and is she having symptoms? Was this cyst present at birth? Please resubmit your question with more details and also talk with the physician who made the diagnosis. Sometimes it helps to write down your three most important concerns and ask the doctor. ...Read more

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Small arachnoid cyst within the right paramedian retrocerebellar region? Is this a common place to have these cyst here?

Small arachnoid cyst within the right paramedian retrocerebellar region? Is this a common place to have these cyst here?

It is common place: Posterior fossa in general is where all the action is when it comes to these types of cysts. They are generally of no clinically significance. ...Read more

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What chemicals cause symptoms of arachnoid cyst increase?

Arachnoid cyst: The mechanism of temporal Arachnoid cyst filling, is by either a selective or active transport mechanism or a secretion from the cyst-lining cells.There is no chemicals cause symtoms of arachnid cyst ...Read more

Dr. Alan Jacobs
91 doctors shared insights

Arachnoid Cyst (Definition)

An arachnoid cyst is a cyst (round-shaped, fluid-filled) formed during the development of the arachnoid, one of the three thin membranes coverings the brain and spinal cord. In some persons, such a ...Read more