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MRI brain imaging in MSA-P (A–C) demonstrates putaminal atrophy (small arrow) with hypointense T1/T2 signal and hyperintense T2 rim sign (large arrows). (C) SWI shows hemosiderin dense posterior putamen. (D) Olivopontocerebelllar atrophy in MSA-C. (E) T2 image with pontine atrophy, gliosis, and “hot cross bun” sign
