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. 2014 May 7;14:100. doi: 10.1186/1471-2377-14-100

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Copyright © 2014 Lo et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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A type IB lesion in a patient with MS. (A) Axial T2-FLAIR brain MRI shows dirty appearance of the bilateral periventricular white matter and a demyelinating lesion on the left side (arrow). (B) The lesion (arrow) shows enhancement on the CE T1WI. (C–E) It is hyperintense on the DWI, isointense to slightly hyperintense on the ADC map and isointense to slightly hypointense on the eADC map. The appearances suggest an active stage of demyelination with conversion to vasogenic edema and the T2 shine-through effect.