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Doctor insights on: Surgery For Arachnoid Cyst In Temporal Lobe

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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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What can be done for a large arachnoid cyst in the right temporal lobe?

NO: Arachnoid cysts are usually benign and do not cause anysymptoms unless very large and traumatised. ...Read more

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What may a mild mass effect due to an arachnoid cyst in anterior temporal lobe cause behaviorally and cognitively, if anything?

Usually nothing: Often it is an incidental finding that had been there pretty much for life. Rarely, it may cause seizures and much less likely memory problems, etc. but in my experience, for the most part, nothing. ...Read more

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Could a 40mm arachnoid cyst in the right temporal lobe be responsible for changes in personality over a five-year period (for an adult in 40s)?

Could a 40mm arachnoid cyst in the right temporal lobe be responsible for changes in personality over a five-year period (for an adult in 40s)?

Hard to be sure, but: I think this is certainly a possibility. 40mm is a large cyst in an area of the brain that might affect personality. ...Read more

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Hubby fell after headspin.bp 150/100. Ecg echo normal.mri of brain done normal one arachnoid cyst right temporal lobe and eeg normal.3rd day bp 133/91?

Now only concern: His blood pressure (diastolic over 90) , unrelated to his injury he may have hypertension (B P) need to be monitored and take him back for follow up visit and blood pressure check up. ...Read more

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I have an extreme pulsating/tingling sensation in my right temple. I'm a 33 y/o f with an arachnoid cyst at my skull base (benign) with partial seizures in my temporal lobe. I take 200 mg of topamax 2x daily. Hope this helps.?

I have an extreme pulsating/tingling sensation in my right temple. I'm a 33 y/o f with an arachnoid cyst at my skull base (benign) with partial seizures in my temporal lobe. I take 200 mg of topamax 2x daily. Hope this helps.?

Go to the ER: I would imagine that you have been to the emergency room many times in the past. However, in a situation like this, I would not hesitate to order a CT scan of your head if you presented to my emergency room in order to make sure that you do not have hydrocephalus, which can be life-threatening. ...Read more

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Arachnoid cyst left frontal lobe, what do I do?

Likely nothing: An arachnoid cyst is something that you were born with. In the vast majority of people it will never cause any problems. ...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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Could a small arachnoid cyst on frontal lobe and arachnoiditis from spinal block be related? Don't have arachnoiditis but do have back painafterspinal

Arachnoid cyst: Primary arachnoid cysts are the result of developmental abnormalities in the brain and spinal cord that arise during the early weeks of gestation. Secondary arachnoid cysts develop as a result of head injury, meningitis, or tumors, or as a complication of brain surgery. They are unrelated to your spinal tap. If the pain continues more than a week see the doctor who performed the tap. Good luck. ...Read more

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Will removing arachnoid cyst -3cm-left temp lobe-from psych patient cause change in personality?

Why?: Why would the arachnoid cyst be removed? Arachnoid cysts usually aren't the cause of problems, they're found when doing a scan because of the problem, but are usually not the cause of the problem. Removing the cyst wouldn't be expected to benefit the psych problems or change personality. ...Read more

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About 3x5cm arachnoid cyst, right frontal lobe, no changes for 6 years. Can it cause symtoms now like, headaches, forgeting, musical hallucinations?

See your neurologist: It's best to see your neurologist for an evaluation. Any on-line answer will be superficial. Musical hallucinations and forgetfulness should be evaluated directly by a physician. If the headaches are causing visual problems please go to an emergency room. Hope this helps. ...Read more

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I have been diagnosed with an 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 cervical hnp and arachnoid cyst(4cm, temporal fossa) can these be connected in any way? Should I check my whole spinal cord for any cyst? Only 28

I have cervical hnp and arachnoid cyst(4cm, temporal fossa) can these be connected in any way? Should I check my whole spinal cord for any cyst? Only 28

Probably not: While there is controversy about the origin of an arachnoid cyst, most believe it is congenital. Unless you have marfan's syndrome (connective tissue disorder) or significant scoliosis there is no direct link to a cervical disc herniation. The link would have more to due with meningeal cysts. I hope this helps. Well wishes. ...Read more

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Incidental arachnoid cyst found in lt temporal fossa 4cm in diameter. Does arachnoid cyst have anything with limaprost, prostaglandin and nsaids?

Arachnoid cyst: No. Arachnoid cysts of the temporal fossa are common findings on MRI studies. They are congenital (from birth) and usually without symptoms. Medications do not cause arachnoid cysts to form. ...Read more

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

I have dizzyness and nausea with ringing in my ear and an 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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Lobe (Definition)

1. A rounded projection, especially a rounded, projecting anatomical part. (for example, the lobe of an ear) 2. A subdivision of a bodily organ or part bounded by fissures, connective tissue, or other structural boundaries. (for example, a ...Read more


Dr. Alan Jacobs
96 doctors shared insights

Arachnoid Cyst (Definition)

Arachnoid cyst = collection of fluid within the arachnoid membrane - which covers the ...Read more