Anomalous splenic artery aneurysm: demonstration on CT scanning and angiography.

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.