Cardiac papillary fibroelastomas (CPF) are uncommon primary neoplasms. Among them, tricuspid valve papillary fibroelastoma (PFE) is extremely rare. We report a pediatric case of tricuspid valve PFE, which was incidentally found by echocardiography and identified histologically.A 1-mo-old boy was referred to our hospital due to a cardiac murmur. He had no recent fever, chest pain, or cough. On physical examination, the patient had a grade III/6 diastolic ejection murmur over the left upper sternal border. His echocardiography revealed a mass nearly 0.9 cm in diameter, which was pedunculated, mobile and arising from the tricuspid valve (Fig. 1). The mass was completely excited on cardiopulmonary bypass. The diagnosis was confirmed by the support of histological finding (Fig. 2).
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