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What is mega cisterna magna in adults with a dimension of 3.1*2.4 cm. Is it harmful no abnormality detected in other parts of the brain please explain in detail.
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Dr. Abhaya Kant Tewariyrs exp
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Cisterna magna is space in the brain filled with fluid in the brain. The fluid called csf has many different functions. Magna means that it is bigger than usual. It is no disease and just variant amoong the population. It does not cause any symptoms, you forget about it, the headache is not related to it.
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