Myxomas are mainly located in the atria (75% in the left and 15–20% in the right ... wall and the atrial appendage. Myxomas do not usually arise from a cardiac valve and any tumor arising ...

Lipomas can occur in the heart, including in the visceral and parietal pericardium. Parietal pericardial lipomas are often clinically mistaken for pericardial cysts. Multiple myocardial lipomas ...