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A member asked:
5mm t2 hyperintense lesion within the left superior frontal gyrus is consistent with arachnoid granulation." can someone explain what this means?
5 doctors weighed in across 2 answers
Normal: The brain and spinal cord are bathed in a fluid called cerebrospinal fluid (csf). Arachnoid granulations are outpouchings of arachnoid tissue (one of the layers of the lining over the brain and spinal cord. They allow CSF to return to the blood stream.
Answered 6/10/2014
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Normal : Arachnoid granulations are a normal part of skull anatomy involved in spinal fluid regulation.
Answered 9/28/2016
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