Common "Mega Cisterna" queries answered by top doctors | iCliniq

Mega Cisterna

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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My CT scan results mentioned a retrocerebellar cyst or prominent cisterna. Is this a normal finding?

Query: Hi doctor, My CT scan came back, and it said the following: Everything looks fine, but there is a retrocerebellar cyst or prominent cisterna. My symptoms include having experienced vertigo 5 months ago, feeling slightly lightheaded and off-balance at present, getting dizzy when I lift weights, and ...  Read Full »


Dr. Florilyn Joyce Chulsi Bentrez

Answer: Hi,I am glad you chose icliniq for your medical-related queries.I understand your concern. Good day, and thank you for the information. First, I would like to ask if your dizziness is a spinning or rotating type. If it is, it could be vertigo, which is characterized by a spinning sensation. Vertigo ...  Read Full »

I have mega cisterna magna and midline cerebellar hypoplasia. Will the condition progress further?

Query: Hi doctor, I had an MRI four years back and was diagnosed with mega cisterna magna and midline cerebellar hypoplasia. My doctor told me it was a congenital lesion. I have taken a scan this year and waiting for my reports. Is this condition life-threatening and progressive? I do normal activities dai...  Read Full »


Dr. Abhishek Juneja

Answer: Hello,Welcome to icliniq.com.From the report attached (attachment removed to protect the patient's identity), these are congenital abnormalities in the brain. Do not worry since they do not cause any symptoms like seizures. However, take MRI (magnetic resonance imaging) scan once every five years to...  Read Full »

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 »


Dr. Devender Pal Singh

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 »

What is mega cisterna magna, and what is the significance?

Query: Hi doctor, Can you please review my MRI scan and check if everything is normal, and is there anything to worry about?  Read Full »


Dr. Hitesh Kumar

Answer: Hello, Welcome to icliniq.com. Your MRI (magnetic resonance imaging) report (attachment removed to protect the patient's identity) shows most structures visible within normal limits except incident mega cisterna magna. Cisterna magna is a normal CSF (cerebrospinal fluid) filled space on the...  Read Full »

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