CTICasesMalignant Left Main Coronary Artery Anomaly
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Imaging findings
The patient presented with an intra-arterial course of the left main coronary artery, demonstrating severe, focal narrowing at the ostium, reducing it to a pinpoint. Post-surgical images following unroofing showed a widened ostium.
Key takeaways
This case exemplifies a malignant left main coronary artery anomaly, characterized by an intra-arterial course and critical ostial narrowing, which can lead to sudden cardiac events (e.g., V-fib arrest) particularly during physical activity in young individuals. Surgical unroofing can effectively widen the ostium and improve outcomes.
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