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KMID : 1034720180100020169
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Journal of Neurosonology and Neuroimaging
2018 Volume.10 No. 2 p.169 ~ p.171
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Early False-Negative Diffusion-Weighted Image in Acute Ischemic Stroke Presenting Sudden Isolated Vertigo
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Kim Jin-Ok
Lee Soo-Joo
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Abstract
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Diffusion-weighted image (DWI) is commonly used to diagnose acute ischemic stroke in order to differentiate between stroke and stroke mimics. We present two cases of negative DWI for detecting acute ischemic stroke in the emergency department. The follow-up DWI showed small infarction in the nodulus of cerebellum and the medial medulla, respectively. Vertebrobasilar strokes should not be ruled out based on early negative DWI, especially if symptoms persist and central vertigo is suspected.
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KEYWORD
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Diffusion MRI, Vertigo, Vertebrobasilar insufficiency
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