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1 From the Radiology Service, Letterman General Hospital, San Francisco, California
Unusual cases of extensive mesenteric vascular collateral development in 2 young patients are reported. As the extensive collateral development may allow the patient to remain asymptomatic, the clinician or roentgenologist should suspect the development of a mesenteric collateral system when certain vascular abnormalities are encountered in a young patient. These abnormalities include hypertension, diminished upper or lower extremity arterial pulsations, and especially the presence of vascular bruits in the thorax, flank, or abdomen. Recognition and demonstration of this collateral circulation in the young patient will allow for proper surgical intervention if indicated, and will be an invaluable contribution for the evaluation of future medical or surgical disorders in these patients.
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