title: Teaching NeuroImages: A case of Hirayama disease presenting with polymyoclonus.
authors.affiliation: From the Departments of Neurology (J.J.Y.O., Y.C.C.) and Pediatrics (F.S.J.W.), National University Hospital, Singapore. jonathan_ong@nuhs.edu.sg.
authors.forename: Jonathan J Y
authors.initials: JJ
authors.lastname: Ong
authors.affiliation: From the Departments of Neurology (J.J.Y.O., Y.C.C.) and Pediatrics (F.S.J.W.), National University Hospital, Singapore.
authors.forename: Furene S J
authors.initials: FS
authors.lastname: Wang
authors.affiliation: From the Departments of Neurology (J.J.Y.O., Y.C.C.) and Pediatrics (F.S.J.W.), National University Hospital, Singapore.
authors.forename: Yee Cheun
authors.initials: YC
authors.lastname: Chan
mesh_terms: D000293:Adolescent; D002574:Cervical Vertebrae / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009207:Myoclonus / Q000150:complications / Q000175:diagnosis*; D014897:Spinal Muscular Atrophies of Childhood / Q000150:complications / Q000175:diagnosis*