Abstract
We report a case of left atrial myxoma associated with acute myocardial infarction (AMI) in a 63-year-old man. Percutaneous coronary intervention was performed immediately, and we removed white intracoronary particles by using a thrombectomy catheter. The postinterventional course was uneventful; however, on hospital day 5, pathological examination revealed platelet thrombus and myxomatous tissue from the particles aspirated by thrombectomy catheter, and transesophageal echocardiography showed a gelatinous mass in the left atrium. Based on these findings, we diagnosed AMI caused by coronary embolization from a left atrial myxoma, and excision of the myxoma was scheduled. However, preoperative magnetic resonance imaging revealed multiple subacute cerebral infarctions, and the tumor was successfully excised on hospital day 13. Although coronary embolization induced by cardiac myxoma is rare, it should be considered in a young to middle-aged patient presenting with signs of AMI without coronary risk factors.
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Konagai, N., Cho, M. & Shigematsu, H. Left atrial myxoma associated with acute myocardial infarction and multiple cerebral infarctions: Report of a case. Surg Today 40, 1159–1163 (2010). https://doi.org/10.1007/s00595-009-4198-z
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DOI: https://doi.org/10.1007/s00595-009-4198-z