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KMID : 1144720200240030174
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Investigative Magnetic Resonance Imaging
2020 Volume.24 No. 3 p.174 ~ p.177
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The Changes in Axial and Radial Diffusivity in a Patient with Clinically Mild Encephalitis/Encephalopathy with a Reversible Splenial Lesion
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Park Ji-Kang
Lee Su-Yun
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Abstract
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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.
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KEYWORD
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Diffusion tensor imaging, Axial diffusivity, Radial diffusivity, Fractional anisotrophy, MERS
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