Three unusual myxomas originating from the left atrial appendage: a case report.

Most left atrial appendage masses have been reported to be thrombus, particularly in the presence of atrial fibrillation. The presence of any mass other than thrombus is extremely rare in the left atrial appendage. This report presents the rare case of a 70-year-old woman presenting with paroxysmal atrial fibrillation and syncope who was given the diagnosis of having 3 myxomas originating from the left atrial appendage. The diagnosis was established by the help of transesophageal echocardiography and confirmed by histologic examination after operation. The advantage of transesophageal echocardiography in this case and for patients with atrial fibrillation is emphasized.