What is the prevalence of seizures in chromosomal 22q deletion syndrome?

Updated: May 30, 2019
  • Author: David Y Ko, MD; Chief Editor: Selim R Benbadis, MD  more...
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Chromosomal 22q deletion syndrome is a spectrum of findings caused by a deletion on chromosome 22q11.2. This disorder has previously been known by a variety of names, including DiGeorge syndrome, velocardiofacial syndrome, Shprintzen syndrome, Opitz G/BBB syndrome, and Cayler asymmetrical crying facies, among others. The most common features of this syndrome are congenital heart disease, palate anomalies, hypocalcemia, immune deficiencies, and learning difficulties. Seizures occur in 7% of patients with chromosomal 22q deletion syndrome. [19]

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