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. 2021 Jul 7;22(14):7292. doi: 10.3390/ijms22147292

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Brain magnetic resonance imaging (MRI) and single-photon emission computed tomography (DaTscan) obtained four years after symptom onset. (A) Brain MRI Left panel: mid-sagittal T1-weighted sequence with mild vermal cerebellar atrophy and midbrain atrophy (midbrain anteroposterior diameter, 8.6 mm; midbrain-to-pons ratio 0.54) [6]; central panel: axial T2 FLAIR sequence showing mild tegmental midbrain atrophy; right panel: axial T2 FLAIR sequence showing two small white matter hyperintensities. (B) DaTscan showed asymmetric (right > left), abnormally decreased uptake in the bilateral putamen and right caudate.