Isolated and spontaneous superior mesenteric artery dissection is a rare cause of acute abdominal pain. Whereas there is widespread consensus on conservative treatment of asymptomatic forms, revascularization would seem indicated in symptomatic complicated cases. A 73-year-old man presented with worsening epigastric pain. A computed tomography scan revealed an isolated and spontaneous superior ...

A 74-year-old woman was admitted to our hospital with upper abdominal pain and bloody vomiting. An abdominal aneurysm compressed the third portion of the duodenum and the second portion of duodenum was distended with thickened walls as in superior mesenteric artery syndrome. Endoscopic examination showed an edematous mucosa with hemorrhagic erosions, shallow longitudinal ulcers, and star-shaped...

An asymptomatic 35-year-old female was found to have a congenital aneurysm of an anomalous splenic artery arising from the superior mesenteric artery on routine investigation for infertility. Demonstration on CT and angiography is presented and the pathogenesis, natural history, management, and implications during pregnancy are discussed.