3. 1. Abberant right subclavian artery.
2. Innominate artery compression syndrome.
3. Right arch mirror image.
4. Right arch with abberant left subclavian
artery.
5. Double aortic arch.
6. Double arch with atretic segment.
4.
5. Most common arch anomaly.
Not a true ring.
Usually asymtomatic.
Sometimes dysphagia lusoria when dilated
subclavian artery compresses esophagus
posteriorly.
6.
7. In children the brachiocephalic (innominate)
artery is located more to the left and may
compresses the trachea anteriorly.
The findings are:
anterior compression of the trachea
brachiocephalic (innominate) artery is located
more to the left and compresses the trachea.
8.
9.
10. Mirror-image variety of the left arch
Asymptomatic
Associated congenital heart disease in 98%,
mostly tetralogy of Fallot.
