Coronary artery evaluation during ECG-gated CT of the thoracic aorta: Do not consider it a negligible clinical information.

A CT angiography, performed for ascending aorta study, revealed, incidentally, an anomalous origin and course of right coronary artery. Anomalies in the origins and course of the coronary arteries are critical information that should not be missed, because they can worsen the patient's prognosis.