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The Changes in Axial and Radial Diffusivity in a Patient with Clinically Mild Encephalitis/Encephalopathy with a Reversible Splenial Lesion

Investigative Magnetic Resonance Imaging 2020년 24권 3호 p.174 ~ 177
박지강, 이수연,
소속 상세정보
박지강 ( Park Ji-Kang ) - Pohang Stroke and Spine Hospital Department of Radiology
이수연 ( Lee Su-Yun ) - Pohang Stroke and Spine Hospital Department of Neurology

Abstract


Multiple studies have established that mild encephalitis/encephalopathy with a reversible splenial lesion (MERS) exhibits reversible diffusion restriction in the white matter, including the splenium. There have been a few previous reports of the change in fractional anisotropy (FA) of MERS cases. Herein, we report the longitudinal changes in axial and radial diffusivity (AD and RD), and FA in a 15-year-old boy patient with MERS. Our case demonstrated that a MERS lesion had a significant drop of AD in the early period and gradual recovery. On the contrary, RD did not show any significant change.

키워드

Diffusion tensor imaging; Axial diffusivity; Radial diffusivity; Fractional anisotrophy; MERS

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