高速スピンエコーの短いエコー間隔が脂肪の信号およびコントラストに及ぼす影響の再検証

高速スピンエコーの短いエコー間隔が脂肪の信号およびコントラストに及ぼす影響の再検証

フォーマット:

論文

責任表示:

菅, 博人 ; 宮地, 利明 ; 櫻井, 亮介 ; 笠井, 治昌 ; 川野, 誠 ; 依光, 里沙 ; 北中, 章博 ; 三平, 佐弓 ; Kan, Hirohito ; Miyati, Toshiaki ; Sakurai, Ryosuke ; Kasai, Harumasa ; Kawano, Makoto ; Yorimitsu, Risa ; Kitanaka, Akihiro ; Mihira, Sayumi

言語:

日本語

出版情報:

医用画像情報学会 = MII: Japan Society of Medical Imaging and Information Sciences, 2011-01-01

著者名:

掲載情報:

医用画像情報学会雑誌 = Medical Imaging and Information Sciences

ISSN:

0910-1543

巻:

28

通号:

3

開始ページ:

79

終了ページ:

82

バージョン:

publisher

概要:

Fast spin echo(FSE)sequence has been widely recognized that the contrast of T2 weighted image was affected by multi-refocusing pulses. The contrasts have never been investigated in case of echo space(ES)below 20msec although magnetic resonance imaging(MRI)developed such that the ES of multi-refocusing pulses could set at 5msec. To evaluate the contrasts of fat with short ES, we determined the signal intensities of the brain tissues and bottle phantom which … consists of lard, water and bean oil. The signal intensities of all regions increased with decreasing echo spaces, due to the decoupling of J-coupling, excepting water signal intensity. In addition, the contrasts between the white matter and each region decreased with decreasing ES until 10ms and, however, did not change with decreasing ES over 10ms. The contrast between white and gray matter is also discussed. It is concluded that the contrast does not change in case of the echo space below 10ms. 続きを見る

URL:

http://hdl.handle.net/2297/36652

タイトル・著者・出版者が同じ資料

詳細

その他の標題:	Re-examination of Signals and Contrasts of Fat with Short Echo Space using Fast Spin Echo Sequence
主題:	Contrast; Echo space(ES); Fast spin echo(FSE); J-coupling; Magnetic resonance imaging(MRI)
受理日:	2011-01-01

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