This case highlights the utility of echocardiography in diagnosing rare complications of primary cardiac angiosarcoma, such as spontaneous right atrial and coronary artery rupture.
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May aid diagnosis of rare cardiac tumor ruptures; hypothesis-generating and should not yet change practice.
Primary tumors of the heart are rarely seen. Cardiac angiosarcomas are malignant tumors that almost always have a poor prognosis. Atrium rupture and coronary artery fistula are very rare complications of primary cardiac angiosarcoma. We describe a 57-year-old man suffering from primary cardiac angiosarcoma with spontaneous ruptures of the right atrium and right coronary artery (RCA). Theoretically, either of these ruptures invariably results in pericardial effusion and tamponade that is rare but potentially life threatening. In this instance, however, the patient might have developed fibrous adhesions resulted from previous bloody pericardial effusion. A massive pericardial effusion was localized, which consequently prevented cardiac tamponade and hemodynamic collapse. Echocardiography revealed the tumor progression leading to detectable infiltration of solid mass into the right atrial (RA) wall, which is close to RCA. And color Doppler displayed the flow into the pericardial cavity through a disrupted RA wall and perforated RCA. Echocardiography remains the primary method of choice for evaluation of cardiac masses.
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Tang et al. (2013) studied this question.
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