We present a rare case of a giant coronary aneurysm of the circumflex artery measuring 4.8 × 4.2 × 7.2 cm in a 67-year-old man, recently diagnosed with type B aortic dissection. Surgical management was successfully performed by proximal end ligation and bypass of the dual-ostium distal end with a reverse saphenous vein graft.
Keywords: circumflex artery; coronary artery aneurysm; coronary artery bypass grafting; ligation; type B aortic dissection.
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