CTICasesCardiac Lipoma
Imaging findings
A patient who underwent partial resection in 2002 for a presumed liposarcoma, prompted by syncope and ventricular tachycardia, has a fatty cardiac mass with pericardial patch-repair thickening. The mass is composed of benign mature fat, is completely enclosed by myocardium, and has shown essentially no change over 15 years on serial CT and MRI, with expected poor fat suppression due to field inhomogeneity.
Key takeaways
A cardiac lipoma is a benign fatty mass that can be enclosed by myocardium and may be mistaken for liposarcoma, but demonstrates uniform mature fat and long-term stability. Documented lack of change over many years supports the benign diagnosis, and MRI fat characterization confirms the fatty composition despite technical suppression limitations near the heart.
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