胎児標本のCT(左)とMRI(右)CTと比較し、MRIでは脊椎が明瞭に描出されており、同時に胸腹部内蔵臓器の評価も可能となっている。
新たな撮像方法であるPseudo-random trajectoryではアーチファクト(○)が消失している。
多血性肝細胞癌(→)の早期濃染はダイナミックCTの動脈相では同定しがたいが、Radial scanningで撮影されたEOB造影MRIの動脈相では明瞭に描出されている。
業績:
英文原著論文
Nakamura Y, Higaki T, Nishihara T, Harada K, Takizawa M, Bito Y, Narita K, Akagi M, Matsubara Y, Kamioka S, Akiyama Y, Iida M, Awai K. Pseudo-random Trajectory Scanning Suppresses Motion Artifacts on Gadoxetic Acid-enhanced Hepatobiliary-phase Magnetic Resonance Images. Magn Reson Med Sci 2019. 10.2463/mrms.mp.2018-0174
Matsubara Y, Higaki T, Tani C, Kamioka S, Harada K, Aoyama H, Nakamura Y, Akita T, Awai K. Demonstration of Human Fetal Bone Morphology with MR Imaging: A Preliminary Study. Magn Reson Med Sci 2019. 10.2463/mrms.mp.2019-0105
Narita K, Nakamura Y, Higaki T, Nishihara T, Harada K, Takizawa M, Shirase R, Bito Y, Akagi M, Honda Y, Iida M, Awai K. Utility of Radial Scanning for the Identification of Arterial Hypervascularity of Hepatocellular Carcinoma on Gadoxetic Acid-Enhanced Magnetic Resonance Images. J Comput Assist Tomogr 2021. 10.1097/RCT.0000000000001139
国際学会発表
2018年北米放射線学会(RSNA2018)
Demonstration of the fetal bone cortex MRI scans: Preliminary clinical study on normal fetal specimens.
Yoshiko Matsubara, et al.
2019年ヨーロッパ放射線学会(ECR2019)
Pseudo-random trajectory scan technique to suppress motion artifacts on gadoxetic acid-enhanced hepatobiliary-phase magnetic resonance images
Nakamura Y, Higaki T, Nishihara T, Harada K, Takizawa M, Bito Y, Narita K, Akagi M, Awai K.
3 Tesla magnetic resonance imaging: Clinical capability of new applications for abdominal imaging
Nakamura Y, Higaki T, Nishihara T, Harada K, Takizawa M, Bito Y, Narita K, Akagi M, Awai K.
2020年ヨーロッパ放射線学会 (ECR2020)
Utility of radial scan for identification of arterial hypervascularity of hepatocellular carcinoma on gadoxetic acid-enhanced MR images
Nakamura Y, Hitaki T, Narita K, Akagi M, Matsubara Y, Nishihara T, Harada K, Takizawa M, Shirase R, Bito Y, Iida M, Awai K.
2020年北米放射線学会(RSNA2020)
Utility of iterative noise reduction for gadoxetic acid-enhanced hepatobiliary-phase magnetic resonance imaging.
Narita K, Nakamura Y, Higaki T, Nishihara T, Bito Y, Shirase R, Takizawa M, Iida M, Awai K.
第19回アジアオセアニア放射線学会議(The 19th Asian Oceanian Congress of Radiology)
Capability of 3T MRI in the abdominal imaging.
Nakamura Y.
2021年北米放射線学会(RSNA2021)
A new MRI technique for the detailed inspection of compact bone: phantom and preliminary clinical study.
Sueoka T, Kawashita I, Higaki T, Honda Y, Nishihara T, Tatsugami F, Nakamura Y, Awai K.