Hypervascular metastatic cardiac tumors: an unknown cause of mitral valve prolapse.

A 40-yr-old woman with alveolar soft-part sarcoma and multiple hypervascular cardiac tumors involving both left and right ventricles is reported. Papillary muscle dysfunction and mitral valve prolapse with mitral regurgitation were caused by the largest tumor in the left ventricle.(Internal Medicine 31 : 78-81, 1992)