Intracardiac Leiomyomatosis: Clinical Findings and Detailed Echocardiographic Features-A Chinese Institutional Experience

The echocardiographic features of the ICL tumors varied. Tricuspid regurgitation and tumors emerging from the inferior vena cava were seen in all patients. Cardiac symptoms, including dyspnea, palpitations, and syncope, occurred in 67% of patients; the remaining 33% were asymptomatic.