Cerebral angiitis
Updates to Study Attributes
There is bright flair/T2 signal involving the left mesial temporal lobe extending posteriorly to involve the left occipital lobe and splenium of the corpus callosum. Small areas of liquefaction are seen within the left splenium and hippocampal body. 2.0CM area of bright T2/flair signal is also seen adjacent to the anterior body of the right lateral ventricle.
There are patchy leptomeningeal- and gyral-pattern of enhancement seen involving the left parahippocampal gyrus extending into the occipital lobe. Perivenular leptomeningeal enhancement and bright FLAIR/T2 signal are seen in periventricular deep white matter bilaterally. Scattered nodular enhancement are also seen along the right lateral ventricle, centrum
semiovale, caudate head and thalamus. There is also tentorial dural thickening and enhancement.
No definite area of diffusion restriction seen, with bright DWI signal due to T2* shine through.
MRS over the right periventricular bright signal demonstrate increased Cho and reduced NAA even after allowing for baseline shift. This however is nonspecific. MRA is unremarkable (not shown).
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