title: Inverse masticatory muscle activity due to syringobulbia.
abstract: The clinical, radiological, and electrophysiological data of a 25-year-old woman with "inverse masticatory muscle activity" due to syringobulbia is presented. This uncommon brain stem syndrome may be due to a disturbance in central programming of mastication.
authors.affiliation: FLENI Instituto de Investigaciones Neurologicas Raul Carrea, Buenos Aires, Argentina.
authors.forename: M
authors.initials: M
authors.lastname: Merello
authors.forename: A J
authors.initials: AJ
authors.lastname: Lees
authors.forename: R
authors.initials: R
authors.lastname: Leiguarda
authors.forename: J
authors.initials: J
authors.lastname: Guevara
authors.forename: M
authors.initials: M
authors.lastname: Nogués
mesh_terms: D000328:Adult; D001933:Brain Stem / Q000503:physiopathology; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008409:Mastication / Q000502:physiology; D008410:Masticatory Muscles / Q000294:innervation / Q000503:physiopathology*; D008526:Medulla Oblongata / Q000503:physiopathology; D009119:Muscle Contraction / Q000502:physiology; D009468:Neuromuscular Diseases / Q000209:etiology / Q000503:physiopathology*; D013577:Syndrome; D013595:Syringomyelia / Q000150:complications / Q000503:physiopathology*; D014276:Trigeminal Nerve / Q000503:physiopathology