Diffusion-weighted MRI characterizes the ischemic lesion in transient global amnesia

Author:

Ay Hakan,Furie Karen L.,Yamada Kei,Koroshetz Walter J.

Abstract

We present a patient with transient global amnesia (TGA) whose diffusion-weighted MRI (DWI) showed increased signal in the splenium of the corpus callosum and in the left parahippocampal gyrus. The absence of high signal on the corresponding apparent diffusion coefficient (ADC) images supports the diagnosis of an acute infarction. This finding provides a temporal relation between cerebral ischemia and infarction in the territory of posterior cerebral artery and in certain cases of TGA. An early means of detecting ischemia in TGA by DWI may influence clinical decisions made in patient evaluation and management.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Neurology (clinical)

Cited by 71 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Clinical Applications of Diffusion;Functional Neuroradiology;2023

2. Investigation of TGA (2): Neuroimaging;Transient Global Amnesia;2022

3. Epidemiology of TGA (2): Possible Precipitating Factors;Transient Global Amnesia;2022

4. Transient global amnesia caused by cryptogenic ischemic stroke;Interdisciplinary Neurosurgery;2021-03

5. Les amnésies transitoires;Bulletin de l'Académie Nationale de Médecine;2021-02

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