“…The most common are the trisomies and in particular trisomy 13, 18 and 21 mosaic trisomy 8 and triploidy (Beasley et al, 1997;Bianca et al, 2002;Brown et al, 1999;Brunner and van Bokhoven, 2005;DePaepe et al, 1993;Robert et al, 1993;Shaw-Smith, 2006;Torfs et al, 1995;Warren et al, 1979). EA is also found in patients with chromosomal deletions such as 17q22-q23.3, 22q11 and rarely 12q24.3, 13q13-qter 16q24.1, and 5p deletions (Digilio et al, 1999;Doray et al, 2002;Marsh et al, 2000;POSSUM, 2004;Stankiewicz et al, 2009).…”