Infrarenal abdominal aortic aneurysm and arc of Riolan

Case contributed by Dr Vladislav Boyanov Rusinov


Asymptomatic patient

Patient Data

Age: 75 years
Gender: Male

Infrarenal AAA. Occlusion IMA.

Case Discussion

The SMA and IMA are linked through the marginal artery of Drummond and may also be connected through the arc of Riolan.

The arc of Riolan is situated medial to the mesenteric border of the colon, where it courses radially through the midportion of the mesenteric arcade, near the inferior mesenteric vein.

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Case information

rID: 18373
Published: 3rd Jul 2012
Last edited: 24th Jan 2016
System: Vascular
Inclusion in quiz mode: Excluded

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