A pineal cyst is a fluid-filled mass in the pineal gland, located in the brain. True pineal cysts:
- Are benign fluid-filled cysts
- Are not tumors
- Are usually harmless
- Are very common and found on 4% of all brain MRI scans
- Usually have no symptoms
- Usually require no treatment.
Complications of a Pineal Cyst
Pineal cysts usually have no symptoms and no complications. However if a pineal cyst is extraordinarily large, then patients may develop hydrocephalus (fluid blockage in the brain), which could cause:
- Increased headaches
- Visual symptoms, including blurry or double vision
- Nausea and vomiting
- Walking problems
- Sleepiness, progressing to coma.
Treatment of a Pineal Cyst
The most common treatment of a pineal cyst is observation over time with repeat MRI scans. If the cyst gets larger and symptoms develop, then the cyst can be removed by neurosurgical techniques.
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