ナビゲータエコーシーケンスを用いた腎3D-time of flight(TOF)MR angiography

概要

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We attempted to perform renal three-dimensional (3D)magnetic resonance angiography (MRA) using the navigator echo sequence for abdominal MRA and a noninvasive method. We evaluated the best parameters for the pulse sequence, and examined delineation of the maximum intensity projection (MIP) and multi-planar reconstruction (MPR) images. We carried out noninvasive renal MRA without breath-hold using the navigator echo sequence. The best repetition time of slice encoding group to obtain images of good contrast was 700 msec. MIP images were adequate for observation of the renal arteries, and the contrast of MPR images (coronal) was very high. This method is effective if the patient cannot hold the breath or has renal functional disorder.
公益社団法人日本放射線技術学会の論文
2001-06-20