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Transient global amnesia: increased signal intensity in the right hippocampus on diffusion-weighted magnetic
M Matsui1, T Imamura, S Sakamoto
1Division of Neuroimaging Research, Hyogo Institute for Aging Brain and Cognitive Disorders, Japan. matsui@hiabcd.go.jp
Neuroradiology
|April 11, 2002
Abstract:
We report on a patient with pure transient global amnesia (TGA) whose magnetic resonance imaging (MRI) demonstrated a small region of increased signal intensity in the right hippocampus on diffusion-weighted imaging (DWI). DWI was sensitive and useful for evaluating the early stage of TGA and might help to explain the pathophysiology of TGA.