They are a developmental variation of the posterior fossa. It is an incidental finding on neuroimaging, and it is a normal variant. No imaging follow-up is necessary. There are no specific symptoms related to mega cisterna. But, they have to be distinguished from other diseases causing enlarged CSF space.
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What are the side effects of mega cisterna magna?
Query: Hello doctor, I have done a CT (Computed Tomography) scan of the brain recently and found everything was normal but with mega cisterna. The report shows scalp hematoma but that was from childhood and operated. I am worried about mega cisterna. Please suggest. Read Full »
Answer: Hello, Welcome to icliniq.com. I have gone through the reports (attachment removed to protect patient identity). Your CT scan is normal. Mega cisterna magna is a normal variant. So do not worry about that. Scalp hematoma is a collection of blood outside your skull (bone) and is, therefore nothing to... Read Full »