Table 2

Common arterial trunk (n = 23): associated clinical findings detectable at prenatal ultrasound examination in relation to the presence and type of chromosomal anomalies

Cases with 22q11 microdeletionCases with aneuploidyOther cases
*In one case aberrant right subclavian artery was not diagnosed at prenatal ultrasound examination.
†Both cases not recognised at prenatal ultrasound examination.
‡In one case thymus could not be assessed (case 14); one case (20) resulted false positive at necropsy.
Additional aortic arch anomalies4/6*0/22/15†
Fetal growth restriction2/62/21/15
Thymus hypo- or aplasia5/51/9‡
Extracardiac anomalies4/62/24/15