title: Anti-N-methyl-D-aspartate (anti-NMDA) receptor antibody encephalitis in a male adolescent with a large mediastinal teratoma.
abstract: We present a case of a 16-year-old boy with Klinefelter syndrome who presented with a syndrome of impaired alertness, orofacial dyskinesias, choreiform movements, epileptic seizures, and autonomic instability, pointing to a diagnosis of anti-N-methyl-Daspartate (anti-NMDA) receptor antibody encephalitis.
authors.affiliation: 1Department of Neurology, Ghent University Hospital, Ghent, Belgium.
authors.forename: Charlotte
authors.initials: C
authors.lastname: Sommeling
authors.forename: Patrick
authors.initials: P
authors.lastname: Santens
mesh_terms: D000293:Adolescent; D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D060426:Anti-N-Methyl-D-Aspartate Receptor Encephalitis / Q000150:complications* / Q000000981:diagnostic imaging / Q000188:drug therapy; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000188:drug therapy; D011859:Radiography; D013724:Teratoma / Q000150:complications* / Q000000981:diagnostic imaging / Q000188:drug therapy; D015898:Tomography Scanners, X-Ray Computed
chemical_list: D000305:Adrenal Cortex Hormones
keywords: Klinefelter syndrome; anti-N-methyl-D-aspartate receptor encephalitis; autoimmune; teratoma