Atrial myxomas account for 40%-50% of primary cardiac tumors and as such are the most common primary heart tumors. Because prolapsing myxomas cause the intermittent obstruction of the valvular outflow tract during dia...Atrial myxomas account for 40%-50% of primary cardiac tumors and as such are the most common primary heart tumors. Because prolapsing myxomas cause the intermittent obstruction of the valvular outflow tract during diastole, the signs and symptoms of left atrial myxoma resemble mitral stenosis. Myxoma may lead to systemic thromboembolic events from tumor fragmentation. In addition, lung carcinoma is a common tumor with highly heterogeneous malignancies.展开更多
基金This study was supported by a grant from the Shanghai Natural Science Foundation,China
文摘Atrial myxomas account for 40%-50% of primary cardiac tumors and as such are the most common primary heart tumors. Because prolapsing myxomas cause the intermittent obstruction of the valvular outflow tract during diastole, the signs and symptoms of left atrial myxoma resemble mitral stenosis. Myxoma may lead to systemic thromboembolic events from tumor fragmentation. In addition, lung carcinoma is a common tumor with highly heterogeneous malignancies.