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Peripheral Vessels: MR Angiography with Dedicated Phased-Array Coil with Large–Field-of-View Adapter—Feasibility Study¹

¹ From the Institute of Diagnostic Radiology (F.A.F., C.F., W.B., A.C.) and Department of Surgery (W.L.), Friedrich-Alexander-University Erlangen-Nürnberg, Maximiliansplatz 1, D-91054 Erlangen, Germany; Institute of Neuroradiology, Oberösterreichische Landesnervenklinik Wagner Jauregg, Linz, Austria (F.A.F.); and Department of Magnetic Resonance, Siemens Medical Solutions, Erlangen, Germany (M.R.). Received April 8, 2002; revision requested July 3; final revision received October 8; accepted October 14. Address correspondence to F.A.F. (e-mail: franz.fellner@gespag.at).

At magnetic resonance (MR) angiography with conventional phased-array coils, visualization of the vascular tree from the infrarenal aorta to the pedal arch is not possible in most patients. For this purpose, the authors developed a dedicated adapter with a large field of view that allows coverage of a body length of approximately 1,380 mm. Among five patients with peripheral arteriosclerotic disease, four underwent both conventional angiography and MR angiography. One hundred fourteen vascular segments from the infrarenal aorta to the feet were evaluated. Agreement between findings at conventional angiography and those at MR angiography was 94.7% (108 of 114) for all segments (96.1% [25 of 26] in the abdomen or pelvis, 97.5% [39 of 40] in the thigh, and 91.7% [44 of 48] in the calf or foot).

© RSNA, 2003

Index terms: Arteries, MR, 92.12942, 95.12942, 96.12942, 98.12942, 92.72, 95.72, 96.72, 98.72 • Arteries, peripheral, 92.12942, 95.12942, 96.12942, 98.12942, 92.72, 95.72, 96.72, 98.72 • Magnetic resonance (MR), vascular studies, 92.12942, 95.12942, 96.12942, 98.12942

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