Coronary angiography in cardiac myxomas: Findings in 19 consecutive cases and review of the literature

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Abstract
We reviewed the coronary angiographic findings of 19 patients with a cardiac myxoma, who underwent cardiac catheterization before surgery. Seventeen myxomas were localized in the left atrium and seven had angiographically visible tumor vascularity emerging from atrial branches of the right coronary artery in four patients and the circumflex coronary artery in three. In one patient, we found significant coronary artery disease of the circumflex coronary artery and in another we saw a thrombus-like lesion in the proximal third of the left anterior descending coronary artery. Our results are compared with the findings in two smaller groups of patients with cardiac myxoma who underwent coronary angiography preoperatively. We conclude that the major importance of coronary angiography in patients with cardiac myxomas is to exclude concomitant coronary artery disease before surgery. In a very small minority of patients, a selective coronary angiography is the clue to the diagnosis of cardiac myxoma.