Cardiac tumors are an uncommon phenomenon. Although they can be cardiac in origin, most represent a distant neoplastic growth metastasizing to the heart. Cardiac tumors can be benign or malignant. They may be symptomatic or, more commonly, found incidentally. Clinical presentation is typically related to that of dispersed neoplasm. We report a case of a 36-year-old young man with an unusually large and smooth-surfaced right ventricular mass. The patient presented to the emergency department with exertional dyspnea for two weeks. Past medical history was significant for deep venous thrombosis with non-adherence to anti-coagulation. Computerized tomographic (CT) angiography showed bilateral pulmonary emboli and a hypodense opacity in the right ventricle. A transthoracic echocardiogram showed a right ventricular non-mobile mass. The patient underwent surgical removal of the mass, which pathology demonstrated to be a thrombus. Cardiac masses can be difficult to differentiate based on imaging alone. Physicians should maintain a high index of suspicion for intracardiac thrombi as early identification and prompt treatment are imperative in improving patient outcomes.
Keywords: benign cardiac tumor; cardiac mass; cardiac myxoma; cardiac thrombus; cardiac tumor in adults; pulmonary embolism (pe); right ventricle; thrombus; ventricular mass; ventricular thrombus.
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