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An acute aortic dissection involved the retroesophageal aortic diverticulum (RAD) and descending thoracic aorta in a patient with right aortic arch. The RAD, which was separated into false and true lumens by an intimal flap-the classic diagnostic sign of aortic dissection-was overlooked on transesophageal echocardiography and computed tomography but was clearly depicted on magnetic resonance imaging (MRI). It was found that MRI can delineate the anatomy of a congenital arch anomaly complicated by great vessels disease. [ABSTRACT FROM AUTHOR]

This is the first clinical and angiographic description of congenital subclavian steal in a patient with left aortic arch, isolation of the right subclavian artery, and an aortic diverticulum. [ABSTRACT FROM AUTHOR]

A 9-year-old girl with type D right aortic arch anomaly, has been presented. The diagnosis was based upon the presence of signs and symptoms of a vascular ring and the early visualization of a retroesophageal aberrant left innominate artery, by means of countercurrent right brachial angiography. Divison of the ligamentum arteriosum at operation relieved the symptoms. [ABSTRACT FROM AUTHOR]