Noninvasive evaluation of malignancy of brain tumors with proton MR spectroscopy.

…, K Hara, Y Ono, K Sato, N Arai… - American Journal …, 1996 - Am Soc Neuroradiology
PURPOSE To test clinical proton MR spectroscopy as a noninvasive method for predicting
tumor malignancy. METHODS Water-suppressed single-voxel point resolved spectroscopy in …

Voxel‐based quantitative susceptibility mapping in Parkinson's disease with mild cognitive impairment

Y Uchida, H Kan, K Sakurai, N Arai, D Kato… - Movement …, 2019 - Wiley Online Library
Objective Brain iron accumulation has been proposed as one of the pathomechanisms in
Parkinson's disease (PD). This study aimed to examine the whole‐brain pattern of iron …

Iron leakage owing to blood–brain barrier disruption in small vessel disease CADASIL

Y Uchida, H Kan, K Sakurai, N Arai, S Inui… - Neurology, 2020 - AAN Enterprises
Objective To assess the relationship among iron accumulation, blood–brain barrier (BBB)
damage, and cognitive function in patients with cerebral autosomal dominant arteriopathy with …

Evaluation of luminal and vessel wall abnormalities in subacute and other stages of intracranial vertebrobasilar artery dissections using the volume isotropic turbo …

…, N Matsukawa, M Mase, H Kasai, N Arai… - Journal of …, 2013 - Elsevier
OBJECTIVE: To evaluate the utility of 3D variable refocusing flip-angle volume isotropic
turbo-spin-echo acquisition (VISTA) imaging, using a 1.5-T MRI unit, which can minimize flow …

[HTML][HTML] Insular volume reduction in patients with social anxiety disorder

…, S Nakaaki, T Kawaguchi, H Kan, N Arai… - Frontiers in …, 2016 - frontiersin.org
Despite the fact that social anxiety disorder (SAD) is highly prevalent, there have been only
a few structural imaging studies. Moreover, most of them reported about a volume reduction …

Genetically engineered mutant of the cyanobacterium Synechococcus PCC 7942 defective in nitrate transport

T Omata, M Ohmori, N Arai… - Proceedings of the …, 1989 - National Acad Sciences
Nitrate-grown cells of Synechococcus PCC 7942 (Anacystis nidulans R2) contain a 45-kDa
protein as a major protein in the cytoplasmic membrane but ammonium-grown cells lack it. A …

Simultaneous voxel‐based magnetic susceptibility and morphometry analysis using magnetization‐prepared spoiled turbo multiple gradient echo

H Kan, Y Uchida, N Arai, Y Ueki, T Aoki… - NMR in …, 2020 - Wiley Online Library
This study aimed to develop and test a simultaneous acquisition and analysis pipeline for
voxel‐based magnetic susceptibility and morphometry (VBMSM) on a single dataset using …

[HTML][HTML] R2* relaxometry analysis for mapping of white matter alteration in Parkinson's disease with mild cognitive impairment

H Kan, Y Uchida, Y Ueki, N Arai, S Tsubokura… - NeuroImage: Clinical, 2022 - Elsevier
Background R2* relaxometry analysis combined with quantitative susceptibility mapping (QSM),
which has high sensitivity to iron deposition, can distinguish microstructural changes of …

Tip growing actuator with the hose-like structure aiming for inspection on narrow terrain

H Tsukagoshi, N Arai, I Kiryu, A Kitagawa - International Journal of …, 2011 - cir.nii.ac.jp
< jats: p> This paper proposes a flexible hose-like fluid actuator to inspect narrow curved or
bumpy terrain. The tip alone moves forward and the rest remains stationary, enabling the …

Differentiation between malignant and benign musculoskeletal tumors using diffusion kurtosis imaging

M Ogawa, H Kan, N Arai, T Murai, Y Manabe… - Skeletal Radiology, 2019 - Springer
Objective The purpose of this study was to evaluate differences in parameters of diffusion
kurtosis imaging (DKI) and minimum apparent diffusion coefficient (ADC min ) between benign …