CTICasesAnomalous Left Main Coronary Artery from the Right Coronary Cusp with Retroaortic Course
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[...]. Anomalous Left Main Coronary Artery from the Right Coronary Cusp with Retroaortic Course. CTICases. Published October 3, 2014. https://str-case-explorer.pages.dev/c/ry8fe
Imaging findings
Coronary CT angiography shows an anomalous left main coronary artery arising from the right coronary cusp and taking a retroaortic course before branching into the left anterior descending (LAD) and circumflex arteries. Diffuse, non-obstructive atherosclerotic plaque is present. A separate small transseptal branch is also seen arising from the right coronary artery.
Key takeaways
A retroaortic course of an anomalous left coronary artery is generally considered a benign pathway compared to an interarterial course. However, these anomalous vessels remain susceptible to accelerated atherosclerosis over time.
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