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 microdeletion | Cases with aneuploidy | Other 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 anomalies | 4/6* | 0/2 | 2/15† |
| Fetal growth restriction | 2/6 | 2/2 | 1/15 |
| Thymus hypo- or aplasia | 5/5 | 1/9‡ | |
| Extracardiac anomalies | 4/6 | 2/2 | 4/15 |