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KMID : 1103720110650030207
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Journal of the Korean Society of Radiology
2011 Volume.65 No. 3 p.207 ~ p.211
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Imaging Appearance of Human Immunodeficiency Virus Encephalitis on the Diffusion Weighted Images: A Case Report
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Lim Hun-Cheol
Yu In-Kyu
Oh Gun-Sei
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Abstract
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Imaging finding of human immunodeficiency virus (HIV) encephalitis contain bilateral, symmetric, patchy, or diffuse increased T2WI signal intensities in the basal ganglia, cerebellum, brainstem, and centrum semiovale. In particular, the centrum semiovale is most commonly involved. Most of the HIV encephalitis cases are accompanied by brain atrophy. No previous study has reported symmetric increased signal intensity at the bilateral centrum semiovale without brain atrophy on diffusion weighted images in HIV encephalitis patients. Here, we report a case of this. We suggest that radiologists should consider the possibility of HIV encephalitis if there are symmetric increases in signal intensity at the bilateral centrum semiovale on diffusion weighted images of patients with a history of HIV infection.
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KEYWORD
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Human Immunodeficiency Virus, Encephalitis , Diffusion Magnetic Resonance Imaging
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