superior mesenteric arterial aneurysm

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

Clinical presentation

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

Pathology

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

Etiology

Causes include :

• atherosclerosis
• trauma
• surgery
• inflammation, e.g. vasculitis, pancreatitis
• infection
• collagen vascular disorder

See also

• visceral artery aneurysm
  • inferior mesenteric artery aneurysm

Siehe auch:

• Aneurysma der Arteria mesenterica inferior
• Aneurysmen der Visceralarterien

und weiter:

• inferior mesenteric artery (IMA) aneurysma
• visceral artery aneurysm