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1 From the Departments of Medical Physics (T.J.C., E.E.C., F.R.K., C.A.M.) and Radiology (T.F.H., F.R.K., T.M.G.), University of WisconsinMadison, E3/311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792-3252; Department of Physics, Centro De Investigacion y de Estudios Avanzados, or CINVESTAV, Mexico City, Mexico (E.E.C.); and Department of Radiology, Northwestern University, Chicago, Ill (R.A.O.). Received December 11, 2000; revision requested January 18, 2001; revision received February 14; accepted March 3. Supported in part by the National Science Foundation, Swiss National Science Foundation, and Nycomed-Amersham. Address correspondence to T.J.C. (e-mail: carrollt@master.radiology.wisc.edu).
The authors compared two techniques for performing runoff, contrast materialenhanced magnetic resonance (MR) angiography. Multiinjection time-resolved imaging of contrast kinetics (TRICKS) and single-injection bolus-chase MR angiographic examinations were performed in 10 volunteers and 10 patients. Image quality and venous overlay of the major blood vessels of the abdomen, thigh, and calf were evaluated. Significantly more (P < .05) vessels were depicted with diagnostic quality on multiinjection TRICKS than on single-injection bolus-chase MR angiographic images.
Index terms: Aorta, MR, 981.12942 Arteries, extremities, 92.12942, 92.12943 Magnetic resonance (MR), vascular studies, 981.12942, 981.12943
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