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Lower Extremity MR Angiography: Universal Retrofitting of High-Field-Strength Systems with Stepping Kinematic Imaging Platforms—Initial Experience¹

¹ From the Department of Diagnostic Radiology, William Beaumont Hospital, 3601 W 13 Mile Rd, Royal Oak, MI 48073 (A.N.S., K.G.B.); Department of Radiology, Veterans Administration North Texas Healthcare System, Dallas, Tex (A.J.D.); and Department of Radiology, Barnes-Jewish Hospital, St Louis, Mo (V.R.N.). Received March 13, 2001; revision requested May 7; revision received June 13; accepted June 22. Address correspondence to A.N.S. (e-mail:ashetty@beaumont.edu).

In 15 volunteers and 84 patients with clinically suspected peripheral vascular disease, a stepping kinematic imaging platform, a manual retrofit stepping magnetic resonance (MR) imaging table, was used with three high-field-strength MR imaging systems to perform multistation peripheral contrast material–enhanced MR angiography in the lower extremity with the existing system phased-array coil. Each examination was performed in less than 45 minutes. Mounting of the stepping kinematic imaging platform was quick and simple and allowed rapid repositioning of a patient relative to the phased-array coil and acquisition of high-spatial-resolution MR angiograms of the peripheral vasculature with use of one injection of MR imaging contrast agent.

Index terms: Arteries, extremities • Arteries, MR, 92.129412, 92.12942, 92.12943 • Arteries, stenosis or obstruction, 92.721 • Magnetic resonance (MR), vascular studies, 92.129412, 92.12942, 92.12943

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