Interarterial course of the right coronary artery

Case contributed by Matthew Lukies
Diagnosis certain

Presentation

Calcium seen in the coronary arteries on a CT of thoracic spine.

Patient Data

Age: 65 years
Gender: Female

Anomalous course of the right coronary artery, originating from the left coronary cusp and coursing between the aorta and pulmonary trunk.

Case Discussion

This case demonstrates an interarterial course of the right coronary artery, arising from the left coronary cusp and coursing between the aorta and pulmonary trunk. Whilst most commonly an asymptomatic incidental finding, this course puts the right coronary artery at higher risk of stenosis and myocardial ischemia and therefore has been also called 'malignant'.

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