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 ...

Radiographically, the right heart silhouette was enlarged compared ... for the enlargement detected a large hyperdense pericardial cyst (diameter 77 × 45 mm) (Figure 2, white arrows).

A total of 25% of all tumors and cysts of the heart ... occur in the right side of the heart. The majority of patients exhibit evidence of cardiac failure or pericardial disease.