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. 2020 Aug 13;6(1):25–32. doi: 10.1136/svn-2020-000370

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Example of intracranial MRI in USA and China. Upper row: Caucasian subject, (A) TOF MIP image shows no significant stenosis in the MCA. (B) and (C) Axial and sagittal views of 3D-T1 VISTA image shows no wall thickness. Bottom row: Chinese subject, (D) TOF MIP image shows no significant stenosis in the MCA. (E) and (F) Axial and sagittal views of 3D-T1 SPACE image reveals extraluminal hyperintensity of MCA segment, indicating plaque without significant stenosis. MCA, middle cerebral artery; MIP, maximum intensity projection.