Primary pericardial angiosarcoma is an aggressive tumor that can present insidiously as a massive pericardial effusion mimicking viral pericarditis.
A previously healthy 34-year-old man presented with progressive dyspnea and chest pain after viral infection. Initial transthoracic echocardiography (TTE) depicted massive pericardial effusion and he underwent pericardiocentesis of 900 mL serosanguinous fluid without identifiable malignant cells. Pericarditis-associated pericardial effusion was initially
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Li et al. (2020) studied this question.
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