Cervical arch is a rare anomaly, most commonly seen on the right side with the arch extending into the high right paratracheal region, displacing the trachea. It is usually asymptomatic in adults although children may present with either a vascular ring or tracheal compression. Clinically it may present as a pulsating neck mass. The diagnosis is straightforward on axial or reconstructed images as the cervical portion of the aorta can be readily demonstrated to be continuous with the ascending aorta and separate from the great vessels.
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