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Abstract #1438

Inflow Inversion Recovery MR Angiography of Renal Arteries at 3.0 T: A Feasibility Study

Hiromitsu Onishi1, Tonsok Kim1, Masatoshi Hori1, Takahiro Tsuboyama1, Atsushi Nakamoto1, Hiroki Higashihara1, Mitsuaki Tatsumi1, Kaname Tomoda1, Mitsuhiro Uike2, Shoji Nakagami2

1Department of Radiology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; 2MR Sales & Marketing Department, GE Healthcare Japan, Hino, Tokyo, Japan

The aim of the present study was to evaluate the feasibility of noncontrast MR angiography of the renal arteries using an Inflow Inversion Recovery (IFIR) sequence in healthy volunteers at 3.0 T. In nine of 10 cases, MR angiography with excellent image quality was obtained and both sides of renal arteries were finely delineated including peripheral branches. In four of 10 cases, two left renal arteries were observed. In addition, in one of four, two right renal arteries were also observed. The renal arteries were finely delineated by means of noncontrast MR angiography using an IFIR sequence at 3.0 T.