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Doctor insights on: Arachnoid Cyst Cause Headaches

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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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Can arachnoid cysts cause bad headaches? My neuro have me ultracet (tramdol and acetaminophen) and that doesn't even help!

No: Arachnoid cysts are harmless long standing pockets of cerebrospinal fluid often dating back to birth it is extremely unlikely but trauma or infection occasionally change the clinical picture. ...Read more

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Sorry if left un treated can arachnoid cyst causing seizure vision headache motor function loss memory loss weight loss kill you I've had it for 10yrs?

Sorry if left un treated can arachnoid cyst causing seizure vision headache motor function loss memory loss weight loss kill you I've had it for 10yrs?

Qualified NO: Only approximately 5% of arachnoid cysts become symptomatic, and 75% of the symptomatic cysts occur in children, not adults. So your approximate chance of becoming symptomatic is 1% i.e. it's 99% likely that the cyst won't bother you. Depending on the location the cyst could cause seizures or vision problems, etc. However, NO treatment is indicated UNLESS the patient has symptoms. ...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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Is an Arachnoid Cyst normal ? My doctors say " it's normal " but it's not I know it. And I always have massive headaches and they don't help.

No: Arachnoid cysts are the most common expansive intracranial lesions, but they are not 'normal.' Some people may have an arachnoid cyst without any symptoms, and it can be followed clinically and with MRI. If you have symptoms - which include headache or seizures - neurosurgical consultation is recommended. Literature shows vast majority of patients improve with decompression of cyst. ...Read more

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What is incidental retrocerebellar arachnoid cyst? I had an MRI because I am having unusual headaches and visual problems.

Congenital cyst: Your arachnoid cyst has little if any impact on your symptoms and is most likely a coincidental insignificant finding. This is reassuring and points toward more of a diagnosis of either migraine or tension headaches, Therapy to break up pattern seems advisable, and maybe you would benefit from BOTOX injections. ...Read more

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I have a arachnoid cyst on the left side of my brain and have started getting headaches and dizzy spells? What shall i do?

I have a arachnoid cyst on the left side of my brain  and have started getting headaches and dizzy spells? What shall i do?

Treat headaches: The arachnoid cyst is likely congenital and creating no problems, whatsoever, unless images are indicative of increasing size and mass effect. The headaches and dizzy spells could be of migrainous origin, but could be triggered by a host of problems such as dental, jaw, sinus, neck, etc. Try to symptomatically treat and discuss cyst with your doctor. ...Read more

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My 12 years old son has adhd. One year ago he was diagnosed with an arachnoid cyst. Now he has severe headaches and lost vision in his right eye. I would like to know if this is related to the arachnoid cyst.

Location & size of : The arachnoid cyst on current MRI compared to prior MRI or ct scan determines likelihood of its causing headache & vision loss. While some pediatric neurosurgeons dismiss the possibility, others like dr. Benjamin warf at boston children's hospital, assess each case & perform minimally-invasive endoscopic surgery to divert fluid from an arachnoid cyst if needed. See www.Childrenshospital.Otg. ...Read more

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Had a headache and nausea with vomiting. Got a CT scan and they said it might be an arachnoid cyst. I never get headaches/nausea. What should I do?

Arachnoid cyst: Follow up with your doctor. Arachnoid cysts are benign, most are innocuous and require no treatment. However, depending on their size and location, they could potentially cause symptoms due to mass effect on adjacent structures. Based on limited info, can't tell whether yours is an incidental finding or has any clinical significance. ...Read more

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I did a brain CT & it showed a frontal CSF hygromas & frontal arachnoid cyst. How serious are these findings I'm suffering from confusion, headaches ?

I did a brain CT & it showed a frontal CSF hygromas & frontal arachnoid cyst.  How serious are these findings I'm suffering from confusion, headaches ?

Hygromas: Hygromas associated with confusion and headaches are usually caused by metabolic or toxic problems in the body. Trauma is less likely. Once the problem is corrected then the hygromas resolve spontaneously. Surgery to drain the hygromas is rare unless there is associated subdural bleeding due to a fall from the confusion or encephalopathy. Discuss these findings with a neurosurgeon. ...Read more

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I have a posterior fossa arachnoid cyst last known 1.7x 1.6x3cm severe headaches, "pressure" in head epilepsy memory loss confusion&others ..related?

I have a posterior fossa arachnoid cyst last known 1.7x 1.6x3cm severe headaches, "pressure" in head epilepsy memory loss confusion&others ..related?

We usually think not: However, there are cases where arachnoid cysts cause symptoms such as headaches and other types of both cognitive, motor, & cognitive problems which get better when the cyst is removed. But that doesn't happen often. Usually, they're benign & have been there since birth. They don't need to be removed unless testing/examination suggests otherwise. If you'd like a 1-1 consult please let me know. ...Read more

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Hi my husband 38 yrs old, has been suffering with headaches, blurred vision and imbalancing, he had a CT scan and MRI which shows having a arachnoid cyst in the posterior fossa region with mass effect something serious?

Hi my husband 38 yrs old, has been suffering with headaches, blurred vision and imbalancing, he had a CT scan and MRI which shows having a arachnoid cyst in the posterior fossa region with mass effect something serious?

See specialist soon: I am hesitant to answer here for your husband for privacy reasons. But I will provide general comments. 1. Above symptoms happen from the arahnoid cyst with dilation of ventricles (inner chambers inside brain). There may be other reasons as well. 2. I would go see a neurosurgeon or neurologist very soon. Or go to ER for getting admitted to the hospital, so these problems can be addressed sooner. ...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

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Can an arachnoid cyst cause seizures?

Can an arachnoid cyst cause seizures?

Let me explain: Small arachnoid cysts are usually symptomless and may not require treatment. If arachnoid cysts grow significantly, they may cause symptoms, such as headache, weakness and fatigue. In serious cases, symptoms may become life threatening. Serious symptoms of arachnoid cysts include seizures, developmental problems, sensory or motor impairment, and hydrocephalus. The location dictate the symptoms. ...Read more

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Would an arachnoid cyst cause you to have nose bleeds?

NO: Arachnoid cysts are usually benign and do not cause anysymptoms unless very large and traumatised. ...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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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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I have an arachnoid cyst&get complex migraines very frequently past EEG has shown narrowing of the ventricles in my brain, are they caused by the cyst?

Probably unrelated: Many normal people have arachnoid cysts. Many normal people have narrow ventricles on ct or mri. These are incidental and unrelated findings. Migraine is a physiological reaction to stress. It sounds that the cyst and ventricle issues are unrelated to your migraine. ...Read more

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Arachnoid cyst w/mass effect on right aspect of medulla in posterior cranial fossa measuring 15x13mm.What probs might it cause if any? Treat or watch?

Arachnoid cyst w/mass effect on right aspect of medulla in posterior cranial fossa measuring 15x13mm.What probs might it cause if any? Treat or watch?

Arachnoid cysts: Arachnoid cysts rarely cause problems. Posterior fossa arachnoid cysts may have headaches and vertigo ascribed to them but it is likely that other problems such as arthritis in the neck or inner ear pathology are the actual cause. Most arachnoid cysts are observed. Creating windows in the cysts to drain to other cerebrospinal fluid pathways or placing a shunt is performed for symptomatic cysts. ...Read more

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Dr. Alan Jacobs
94 doctors shared insights

Arachnoid Cyst (Definition)

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