Retroaortic circumflex coronary artery course

Case contributed by Stefan Tigges
Diagnosis certain

Presentation

Chest pain.

Patient Data

Age: 50 years
Gender: Male

The circumflex coronary artery has an anomalous origin, arising from the right coronary artery and coursing posterior to the aorta (retroaortic course). Otherwise normal study, with no stenosis.

Case Discussion

Anomalous coronary arteries may have a so-called benign (asymptomatic without risk of decreased blood flow) or a malignant (potentially symptomatic with risk of decreased blood flow, ischemia, and sudden death) course. In most cases, a vessel running between the aorta and the pulmonary artery has a malignant course. Vessels running in front of the pulmonary artery (pre-pulmonic) or behind the aorta (retroaortic) are considered to have a benign course.

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