my MRI of my brain says there is dark fluid what does this
mean
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Meaning of chronic microangiopathy on brain MRI report
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That structure is called as falx cerebri. You have superior
sagittal sinus above and inferior sagittal sinus running below the
same.
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superior sagittal sinus
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Yes, a arachnoidtis will show on an MRI. This will show up on an
MRI as a brain lesion, but doctors will furthur be able to
determine exactly what the lesion is from.