Paulo Medeiros et al. Ana Rita Coelho João Magalhães Nuno Salomé Vítor Pereira
A 71-year-old woman was admitted to our center, complaining of fatigue, dyspnea, and anorexia. Physical examination revealed a grade III low-pitched diastolic murmur at the mitral focus. Transthoracic echocardiogram (TTE) showed an oval mass inside the left atrium (LA) extending from its roof to the mitral valve ( ), causing significant transmitral pressure gradient ( ). Transesophageal echocardiogram (TEE) ( ) raised the suspicion of left superior pulmonary vein involvement, which was confirmed by computed tomography (CT) angiography ( ). Cardiac magnetic resonance imaging characterized the mass as isointense on T1 and hyperintense on T2-weightened images; there was a contrast uptake, in first-passage sequences, and a heterogeneous late gadolinium enhancement ( ).
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