Position of the superior mesenteric artery on computed tomography and its relationship to retroperitoneal disease.


The superior mesenteric artery (SMA) is constant in its retroperitoneal course and easily identified on computed tomography (CT). In 225 CT examinations, anterior and lateral displacement from a defined normal position of the proximal SMA were assessed and correlated with the presence of retroperitoneal disease. Displacement beyond the left margin of the… (More)


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