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KMID : 0858520160200040250
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Journal of the Korean Society of Magnetic Resonance in Medicine
2016 Volume.20 No. 4 p.250 ~ p.253
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An Unusual Case of Japanese Encephalitis Involving Unilateral Deep Gray Matter and Temporal Lobe on Diffusion-Weighted MRI
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Seok Hee-Young
Lee Dong-Hoon
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Abstract
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Acute Japanese encephalitis (JE) is an endemic viral infectious disease in various parts of Far East and Southeast Asian countries including Korea. Bilateral thalami are the most common involving sites in JE. Other areas including the basal ganglia, substantia nigra, red nucleus, pons, cerebral cortex and cerebellum may be also involved. We report an extremely unusual brain diffusion-weighted MR imaging (DWI) findings in a 53-year-old man with serologically proven JE involving unilateral deep gray matter and temporal lobe, which shows multifocal high signal intensities in left thalamus, left substantia nigra, left caudate nucleus and left medial temporal cortex on T2-weighted image and DWI with iso-intensity on apparent diffusion coefficient (ADC) map.
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KEYWORD
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Japanese encephalitis, Unilateral involvement, Deep gray matter and temporal lobe, Diffusion-weighted MRI (DWI)
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