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Mitral Valve Mass Detected on Preoperative Transesophageal Echocardiogram

Published:March 18, 2013DOI:https://doi.org/10.1053/j.jvca.2012.10.006
      A 45-YEAR-OLD WOMAN with past medical history significant for hypertension, asthma, and anemia was admitted to the authors' institution with complaint of dyspnea on exertion. A preoperative transthoracic echocardiogram showed moderate-to-severe aortic regurgitation, mild dilatation of the sinus of valsalva and ascending aorta and mild decrease in left ventricular function with an ejection fraction equal to 48%. The patient was scheduled for an aortic valve replacement and possible aortic root replacement. After induction of anesthesia, a transesophageal echocardiogram was performed and demonstrated severe aortic regurgitation secondary to annular dilatation, mild dilatation of the aortic root/ascending aorta, and mild mitral regurgitation. A small mass (Fig 1) was seen in the left atrium. What is the diagnosis?
      Figure thumbnail gr1
      Fig 1A midesophageal long-axis TEE image demonstrating a small mass in the left atrium adjacent to the mitral valve. (Color version of figure is available online.)

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