CTICasesLipomatous Hypertrophy of the Interatrial Septum
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Imaging findings
A large amount of fat within the interatrial septum, characteristically sparing the fossa ovalis.
Key takeaways
Lipomatous hypertrophy of the interatrial septum is a benign, often incidental finding characterized by fatty infiltration that typically spares the fossa ovalis. Exuberant examples can be quite striking.
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