History of syncopal attacks. Echocardiography showed an irregular echogenic mass on the ventricular septum.
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There is a 16.1 x 7.6 mm well-defined ovoid lesion attached to the right ventricular side of the inter ventricular septum extending superiorly to the proximal right ventricular outflow tract. The lesion exhibits signals similar to fat in all pulse sequences including fat-suppression technique. No significant obstruction is appreciated. This is likely the same lesion described in the prior echocardiographic study. The features of the lesion are compatible with a small cardiac lipoma.
Cardiac lipomas are rare benign tumors of the heart. Occasionally, they are found on echocardiography, CT and MRI as incidental findings. In most cases, they require no treatment or surgical intervention unless they cause cause arrhythmias, embolize, compress the coronary arteries, or obstruct flow within the heart.
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