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Selected images from an MRI of the brain demonstrate extensive and diffuse thickening of the pachymeninges which have high T2 signal (not attenuating on FLAIR) and extensive enhancement. The venous sinuses appear a little prominent and the posterior fossa appears to sag somewhat (although the former is hard to appreciate on these single images). The pituitary is unusually not engorged, but rather the sella appears somewhat empty.
Features are consistent with the confirmed clinical diagnosis of intracranial hypotension.