John Libbey Eurotext

EEG features of 15q duplication syndrome Volume 24, numéro 4, August 2022

Illustrations

  • Figure 1.
  • Figure 2.
Auteurs
Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
* Authors contributed equally.
Correspondence:
Irfan S. Sheikh
Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA

We report a seven-year-old boy with intellectual disability and new-onset seizures associated with an interstitial duplication of 15q11-q13, consistent with the diagnosis of 15q duplication syndrome (Dup15q). Routine EEG (figures 1, 2) showed excessive beta activity, bursts of high-amplitude, sleep-activated, multifocalepileptiform discharges and bursts of sleep-activated 16-20-Hz fast activity. Although excessive beta activity (13-30 Hz) can be seen in other scenarios, such as in patients on benzodiazepines [...]

Licence Cette œuvre est mise à disposition selon les termes de la Licence Creative Commons Attribution - Pas d'Utilisation Commerciale - Pas de Modification 4.0 International