What is it?

A cerebral cyst or a brain cyst is a fluid-filled sac caused by fluid build-up in the brain that can either be cancerous or noncancerous. Both cancerous and noncancerous brain cysts can cause problems by pressing against brain tissue.

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Additional names

This group contains additional names:
- Arachnoid cyst
- Brain cyst

Signs & symptoms

Most common symptoms of cerebral cysts are:
- Headache
- Nausea and vomiting
- Vertigo and dizziness
- Hearing impairment
- Vision impairment
- Difficulties with balance and walking
- Facial pain


To diagnose a cerebral cyst, your healthcare provider will ask about your symptoms and past medical conditions. He or she will conduct a physical exam which may include a nervous system exam. Based on your medical history and physical exam, they may choose to refer you to further Imaging tests, such as:
- CT scan. This is an imaging test that uses X-rays and a computer to make detailed images of the body
MRI. This test uses large magnets and a computer to create images of the body. MRI scans of your brain and spinal cord may be done to get more information about the cyst and nearby tissues.


If a brain cyst is symptomatic, your healthcare provider may suggest removing it with surgery. If the cyst is not causing symptoms and it is not growing, your healthcare provider may choose to watch it closely with repeated brain scans. Treatment can vary by the type of cyst.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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