Transthoracic echocardiography is an effective imaging modality for identifying rare papillary fibroelastomas attached to atrioventricular valves.
Supports TTE for identifying rare AV valve fibroelastomas in selected patients; leaves open prospective assessment of diagnostic performance.
Papillary fibroelastomas are rare and normally benign cardiac tumors typically attached to cardiac valves. This report describes two patients who were evaluated for intermittent dyspnea in one case and for the source of cerebral embolism in the other. In both patients transthoracic echocardiography revealed a pedunculated mobile mass adjacent to an atrioventricular valve, suggestive of papillary fibroelastoma. Postoperative histology was confirmatory of papillary fibroelastoma with a typical hyalinized hypocellular stroma covered by a single layer of endocardial cells.
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Lund et al. (1997) studied this question.
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