Key result
Two cases of papillary endocardial excrescence of the right atrium were reported, representing a distinct lesion likely originating from an organizing thrombus.
Case Report (n=2)
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Papillary endocardial excrescences of the right atrium are distinct lesions likely originating from organizing thrombi that should be differentiated from cardiac myxomas.
Two cases of papillary endocardial excrescence of the right atrium are reported. These lesions are similar histologically to the papillary endocardial “tumors” of the heart valves. The differentiation from cardiac myxomas is discussed and it is concluded that these two cases represent a distinct lesion of the right atrium. The histologic pattern of the lesion suggests origin in an organizing thrombus.
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Schiller et al. (1970) conducted a case report in Papillary endocardial excrescence of the right atrium (n=2). Two cases of papillary endocardial excrescence of the right atrium were reported, representing a distinct lesion likely originating from an organizing thrombus.
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