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KMID : 0882420100780010104
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Korean Journal of Medicine
2010 Volume.78 No. 1 p.104 ~ p.108
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A large left atrial myxoma with a feeding vessel from the right coronary artery
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Kim Hye-Kang
Jeon Hui-Kyung
Lee Dong-Hyeon
Baeg Myong-Ki
Kim Jeong-Ho
Gweon Tae-Geun
Song Mi-Ae
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Abstract
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A 55-year-old woman was referred to our hospital with a 6-month history of dyspnea (NYHA II-III). The physical examination revealed a grade 2/6 “tumor plop,” i.e., a low-pitched sound heard during early or mid-diastole. The chest X-ray showed mild cardiomegaly with lung congestion in both lower lung fields. Two-dimensional echocardiogram showed a large myocardial mass, prolapsing into the left ventricle during diastole. Chest computed tomography showed a multi-lobulated mass (6.8×4.1 cm) attached to the interatrial septum during systole and prolapsing into the left ventricle during diastole. Coronary angiography demonstrated large tumor vessels arising from and surrounding the posterior lateral branch of the right coronary artery. The mass was excised and the patient recovered uneventfully. (Korean J Med 78:104-108, 2010)
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KEYWORD
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Myxoma, Coronary angiography, Left atrium
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