The use of a radionuclide (99Tcm-pertechnetate) for the diagnosis of aortic and iliac aneurysms is described. The method is rapid, harmless for the patient and is performed without puncture of arteries. The extent of the aneurysm and the perfusion of the kidneys can be visualized. The method is well suited for differential diagnosis and for postoperative control. Some illustrative cases are described.
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