[18] They are a well-defined mass of mature fat, are well encapsulated and contain few myocytes in contrast to lipomatous hypertrophy, which is always found in the interatrial septum and is not ...

Lipomatous hypertrophy of the atrial septum (LHAS) was diagnosed on the basis of the typical morphology and location. LHAS is a benign hyperplasia of lipocytes in the atrial septum (more exactly ...