title: Medical image. "Hot cross bun" sign.
authors.affiliation: Department of Neurology, UCLA Medical Center, Geffen School of Medicine at UCLA, Los Angeles, USA. rbh1@ucla.edu
authors.forename: Roongroj
authors.initials: R
authors.lastname: Bhidayasiri
authors.forename: Susan
authors.initials: S
authors.lastname: Perlman
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging / Q000473:pathology; D004401:Dysarthria / Q000209:etiology; D020234:Gait Ataxia / Q000209:etiology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D019578:Multiple System Atrophy / Q000000981:diagnostic imaging / Q000473:pathology*; D011149:Pons / Q000473:pathology*; D049268:Positron-Emission Tomography