A 58-year-old man with multiple myeloma, prior bioprosthetic valve, spinal hardware and multiple episodes of Corynebacterium amycolatum bacteremia was found to have a well-seated valve without vegetations, paravalvular leak, abscess or degeneration over a period of 6 months on five separate transesophageal echocardiographic studies. Computed tomography angiography was performed which revealed vegetation at the level of the left ventricular outflow tract. Reoperative sternotomy and interrogation of the valve confirmed a 1.5-cm vegetation with the same bacterium. The patient underwent a redo aortic valve replacement and recovered without any complications. He has been asymptomatic and culture negative on surveillance.
Keywords: aorta and great vessels; cardiovascular pathology; endocarditis.
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