Circumflex retroesophageal right aortic arch simulating mediastinal tumor or dissecting aneurysm

Type II right sided aortic arch with aberrant left subclavian artery (ALSA) – what clinician wants to know? - a case report

“…There is also persistence of the fourth embryonic aortic arch on right side [3]. Sometimes this becomes symptomatic because of the vascular rings and due to other additional abnormal findings [4]. Following two types of entities are of clinical importance:…”

Right-sided aortic arch with Kommerell′s aneurysm

“…A right-sided aortic arch is a rare congenital anomaly present in 0.05-0.1% of the radiology series [3] and 0.04-0.1% of autopsy series. [2,4] About 50% of right-sided arches are associated with an aberrant left subclavian artery.…”

Two Cases of Thoracic Aortic Aneurysm with Right Aortic Arch: Comparison of Two Operative Strategies for Hybrid Thoracic Endovascular Repair

“…[1][2][3] Many cases are accompanied by other congenital heart anomalies or visceral heterotaxy. Kommerell's diverticulum, first reported by Burckhard Kommerell in 1936, is a remnant of the dorsal aorta.…”