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 (A) Axial FLAIR MRI reveals multiple areas of high signal intensity (arrows) in leptomeninges.  (A) Axial FLAIR MRI reveals multiple areas of high signal.

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Presentation on theme: " (A) Axial FLAIR MRI reveals multiple areas of high signal intensity (arrows) in leptomeninges.  (A) Axial FLAIR MRI reveals multiple areas of high signal."— Presentation transcript:

1  (A) Axial FLAIR MRI reveals multiple areas of high signal intensity (arrows) in leptomeninges.
 (A) Axial FLAIR MRI reveals multiple areas of high signal intensity (arrows) in leptomeninges. (B) Axial contrast enhanced T1 weighted image shows diffuse enhancement along leptomeningeal surfaces (arrows). (C) Lateral view of right carotid angiogram and (D) right vertebral angiogram demonstrate severe stenoses at the distal ICA (arrow) and wide terminal segments of the posterior and middle cerebral arteries due to extensive leptomeningeal collateral flow (arrowheads). J Gaa, and S Weidauer J Neurol Neurosurg Psychiatry 2004;75:1170 ©2004 by BMJ Publishing Group Ltd

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