Superior mesenteric artery aneurysm

Dr Henry Knipe et al.

Superior mesenteric artery (SMA) aneurysms are the third most common type of visceral artery aneurysm, accounting for ~5% of visceral artery aneurysms. 

SMA aneurysms are most commonly detected incidentally on imaging for other indications, however, ~45% (range 38-50%) present post rupture 1,3

SMA aneurysms may be true aneurysms or pseudoaneurysms. They may be associated with dissection

Causes include 1,2:

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Article information

rID: 67350
System: Vascular
Synonyms or Alternate Spellings:
  • SMA aneurysm
  • Superior mesenteric artery (SMA) aneurysm

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