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  • Title: Right atrial thrombus arising from the junction of the right atrium and the inferior vena cava.
    Author: Verma R, Duncanson ER, Bajpai A, Skeik N, Shafi S.
    Journal: Cardiovasc Pathol; 2014; 23(5):317-8. PubMed ID: 24849550.
    Abstract:
    BACKGROUND: Cardiac tumors are a rare cause of recurrent syncope which are detected on echocardiography, computed tomographic scan, and/or magnetic resonance imaging. We present echocardiographic, anatomic, and histopathologic images of a cardiac tumor arising from the junction of the right atrium and the inferior vena cava in a young lady. METHODS: Transthoracic echocardiography, transesophageal echocardiography, postmortem examination (autopsy), and histopathology. RESULTS: Transesophageal echocardiogram showed a 7×3-cm mobile multilobulated right atrial mass arising from the right atrial wall near the inferior vena cava. The patient was admitted to hospital to undergo cardiac surgery; however, unfortunately, she went in to cardiorespiratory arrest on the eve before surgery. Autopsy showed embolized mass obstructing the main pulmonary trunk, and pathology revealed an old organizing thrombus. CONCLUSIONS: Cardiac thrombi can mimic appearances of a myxoma on echocardiogram. Delay in thrombus removal surgery can result in increased mortality as seen in our case.
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