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. 2024 Jul 27;20(9):6384–6394. doi: 10.1002/alz.14133

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© 2024 The Author(s). Alzheimer's & Dementia published by Wiley Periodicals LLC on behalf of Alzheimer's Association.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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MRI of Case 1. (A) Sagittal T1 sequence showing generalized atrophy and loss of brainstem volume. (B–D) Axial flair sequence showing subcortical and periventricular white matter hyperintensities at three different levels. Magnetic resonance imaging (MRI) of Case 2. (E) Sagittal T1 showing atrophy. (F) Axial T2 images of cervical spinal cord showing posterolateral column hyperintensity. (G,H) Axial fluid‐attenuated inversion recovery (FLAIR) images showing peripheral sulci widening, and subcortical hyperintensities. MRI of Case 3. (I–L) Axial FLAIR images at different levels evidence small white matter hyperintensities and gliosis in the straight gyrus.