Left ventricular malignant fibrous histiocytoma

Primary malignant fibrous histiocytoma (MFH) of the heart is rare. A 39-year-old male with symptoms of infectious endocarditis was transferred to our hospital. Transesophageal echocardiography and magnetic resonance imaging showed a mass in the left ventricle of heart with a short stalk attached to the lateral wall. He underwent open heart surgery, resecting the tumor. The pathologic diagnosis was MFH.