研究者詳細 - 菅　博人

論文 - 菅　博人

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Idiopathic normal-pressure hydrocephalus: temporal changes in ADC during cardiac cycle.

Ohno N, Miyati T, Mase M, Osawa T, Kan H, Kasai H, Hara M, Shibamoto Y, Hayashi N, Gabata T, Matsui O

Radiology 261 巻 ( 2 ) 頁： 560 - 5 2011年11月

[Appropriate cardiac phase for measurement of ADC of the brain using ECG-triggered diffusion MRI].

Kan H, Miyati T, Mase M, Kasai H, Hara M, Shibamoto Y, Kawano M, Ohno N, Kitanaka A, Yorimitsu R, Minami T

Nihon Hoshasen Gijutsu Gakkai zasshi 67 巻 ( 6 ) 頁： 661 - 5 2011年

[Analyses of restricted diffusion of water molecules using trabecular bone phantom].

Minami T, Miyati T, Ueda Y, Kan H, Kitanaka A, Kasai H, Arai N, Hara M, Shibamoto Y, Yokoti S

Nihon Hoshasen Gijutsu Gakkai zasshi 67 巻 ( 6 ) 頁： 634 - 9 2011年

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

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

医用画像情報学会雑誌 28 巻 ( 3 ) 頁： 79-82 2011年

記述言語：英語掲載種別：研究論文（学術雑誌）

Fast spin echo(FSE)sequence has been widely recognized that the contrast of T<sub>2</sub> 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.

DOI： 10.11318/mii.28.79

心周期における脳局所のΔADC解析

大野直樹, 上田優, 宮地利明, 間瀬光人, 笠井治昌, 菅博人, 朝日美幸, 川野誠, 原眞咲, 芝本雄太

医用画像情報学会雑誌 26 巻 ( 1 ) 頁： 17-20 2009年

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