Multimodality imaging provides comprehensive anatomical and tissue characterization of rare solitary cardiac plasmacytomas to guide surgical resection.
May aid resection planning for rare cardiac plasmacytomas; hypothesis-generating, with broader utility unproven.
A 54-year-old man was referred to cardiology for a cardiac mass, which was found while evaluating the cause of dyspnea and epigastric fullness for 1 month. Echocardiography showed a huge echogenic mass in the right atrium (RA), which inhibited venous drainage to the RA, and a large amount of pericardial effusion. Computed tomography of the chest revealed the RA mass was widely attached to the interatrial septum and RA posterior wall, extending to the tricuspid valve and inferior vena cava (Panels A and B). 18 F-fluorodeoxyglucose positron emission tomography-computed tomography ( 18 F-FDG PET-CT) demonstrated peripherally distributed FDG uptake in the mass without extra cardiac involvement (Panel C). Cardiac magnetic resonance showed this mass had a high signal intensity on both T 1 -and T 2 -weighted black-blood imaging (Panels D and E, see Supplementary data online, Videos S1-S3). We decided to surgically remove the mass as much as possible, for relieving right-sided congestion and providing a definitive histological diagnosis. The removed mass, measuring 9.2 6.5
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Nam et al. (2017) studied this question.
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