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Ann Thorac Surg. 2002 Sep;74(3):914-6.

Surgical excision of a hemangioendothelioma of the left ventricle.

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Department of Cardiac Surgery, University Hospital Rebro, Zagreb, Croatia.


Primary intracardiac neoplasms are most commonly histologically benign with only 30% exhibiting signs of malignancy. Metastatic tumors of the heart are 30 times more common than primary cardiac tumors. Patients with intracardiac masses may present with dyspnea on exertion, thromboembolic events, pericarditis, arrhythmias, or congestive heart failure. In many, however, the diagnosis is made upon discovering a murmur in an otherwise asymptomatic patient. Hemangioendotheliomas are very rare tumors of the heart characterized by capillary-sized vessels lined by rounded and often multilayered endothelial cells. Cardiac muscle cells are found compressed between proliferating vascular channels. We present a patient with this unusual cardiac tumor with no previous cardiac history and a new systolic murmur.

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