Mesenteric lipoma

Case contributed by Dr Chris O'Donnell

Presentation

Incidental finding on duplex ultrasound examination of the aorta for claudication

Patient Data

Age: 80
Gender: Male
Ultrasound

Echogenic mass in the root of the small bowel mesentery (anterior to the aorta) through which a normal appearing superior mesenteric artery passes (on duplex ultrasound)

CT

CT performed to evaluate the "mesenteric mass" seen on ultrasound

Well defined ovoid fatty mass encasing the mesenteric vessels (SMA/SMV), displacing adjacent small bowel (jejunal) loops.

Case Discussion

Mesenteric lipoma is rare and must be differentiated from panniculitis by its well defined, ovoid shape and lack of the fat rim/ring sign surrounding the mesenteric vessels. They are usually but not always asymptomatic.

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Case information

rID: 31693
Case created: 21st Oct 2014
Last edited: 21st Nov 2015
Inclusion in quiz mode: Included

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