Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Case Report
Giant Organized Thrombus in the Left Sinus of Valsalva Causing Intermittent Left Coronary Obstruction
An Unusual Case of Acute Myocardial Infarction
Yasutoshi NagataTakamichi MiyamotoMasatoshi KomuraAkihiro NiwaSatoru KawaguchiToshizumi ShiraiHitoshi FujiwaraMitsuaki Isobe
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2004 Volume 68 Issue 8 Pages 795-798

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Abstract

A 48-year-old Japanese man was admitted to hospital for acute myocardial infarction associated with a giant organized thrombus occupying the left sinus of Valsalva. Cardiac catheterization revealed no organic stenosis in either coronary artery, but left ventriculography and aortography showed a filling defect above the left coronary cusp. Transesophageal echocardiography was immediately performed and showed a round mass filling the left sinus of Valsalva. A solid, round mass approximately 2.5 cm in diameter was removed during emergency surgery and determined to be a thrombus on the basis of microscopic findings. This is the second report of a giant organized thrombus occupying the entire left sinus of Valsalva, obstructing the ostium of the left coronary artery intermittently, and leading to acute myocardial infarction. (Circ J 2004; 68: 795 - 798)

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© 2004 THE JAPANESE CIRCULATION SOCIETY
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