Lipomatous hypertrophy of the interatrial septum

Case contributed by Dr Dalia Ibrahim


Incidental finding on PET-CT scan

Patient Data

Age: 50 years
Gender: Female
Nuclear medicine

FDG avid smooth, non-enhancing, well-marginated fat-containing lesion in the interatrial septum.

Case Discussion

Lipomatous hypertrophy of the interatrial septum (LHIS) is a relatively uncommon disorder of the heart characterized by benign fatty infiltration of the interatrial septum. It is commonly found in elderly and obese patients as an asymptomatic incidentally discovered finding.

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Case information

rID: 42422
Published: 19th Jan 2016
Last edited: 14th Aug 2019
System: Cardiac, Vascular
Inclusion in quiz mode: Included