Diffusion anisotropy measurement of brain white matter is affected by voxel size: underestimation occurs in areas with crossing fibers

H Oouchi, K Yamada, K Sakai, O Kizu… - American Journal …, 2007 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Voxel size/shape of diffusion tensor imaging (DTI) may
directly affect the measurement of fractional anisotropy (FA) in regions where there are …

Diagnosis of breast tumors by contrast‐enhanced MR imaging: Comparison between the diagnostic performance of dynamic enhancement patterns and morphologic …

…, H Ito, K Akazawa, T Kubota, O Kizu… - Journal of Magnetic …, 2007 - Wiley Online Library
Purpose To compare the diagnostic performance of breast lesions by the enhancement patterns
and morphologic criteria on magnetic resonance imaging (MRI). Materials and Methods …

Brain fiber tracking with clinically feasible diffusion-tensor MR imaging: initial experience

K Yamada, O Kizu, S Mori, H Ito, H Nakamura, S Yuen… - Radiology, 2003 - pubs.rsna.org
Two technical challenges must be overcome before brain fiber tracking with diffusion-tensor
magnetic resonance (MR) imaging can be applied to clinical practice: Imaging time must be …

Fiber-tracking techniques can predict the degree of neurologic impairment for periventricular leukomalacia

A Murakami, M Morimoto, K Yamada, O Kizu… - …, 2008 - publications.aap.org
OBJECTIVE. Preterm or low birth weight infants display a greater propensity for white matter
injury caused by hypoxic-ischemic encephalopathy in the perinatal period. Such episodes …

Fiber-tracking method reveals sensorimotor pathway involvement in stroke patients

K Yamada, S Mori, H Nakamura, H Ito, O Kizu, K Shiga… - Stroke, 2003 - Am Heart Assoc
Background and Purpose— We tested the feasibility of a new MRI technique that provides
visualization of the sensorimotor tracts in vivo in a group of stroke victims. Summary of Report…

Somatotopic Organization of Thalamocortical Projection Fibers as Assessed with MR Tractography1

K Yamada, Y Nagakane, K Yoshikawa, O Kizu, H Ito… - Radiology, 2007 - pubs.rsna.org
Purpose: To prospectively evaluate the course of sensory fibers through the supratentorial
brain with diffusion-tensor–based tractography. Materials and Methods: This study was …

Effect of intravenous gadolinium-DTPA on diffusion-weighted images: evaluation of normal brain and infarcts

K Yamada, H Kubota, O Kizu, H Nakamura, H Ito… - Stroke, 2002 - Am Heart Assoc
Background and Purpose— Diffusion-weighted imaging (DWI) is usually done before
administration of intravenous contrast agents. Repetition of DWI is occasionally necessary after …

Stroke patients' evolving symptoms assessed by tractography

K Yamada, H Ito, H Nakamura, O Kizu… - Journal of Magnetic …, 2004 - Wiley Online Library
Purpose To test the hypothesis that an interval evolution in the location of the depicted
sensorimotor tract relative to the infarct (the “tract–infarct relationship”) may be related to stroke …

The pyramidal tract has a predictable course through the centrum semiovale: A diffusion‐tensor based tractography study

K Yamada, O Kizu, T Kubota, H Ito… - Journal of Magnetic …, 2007 - Wiley Online Library
Purpose To identify reproducible anatomical landmarks that would allow predicting the course
of the pyramidal tract (PT) through centrum semiovale. Materials and Methods A total of …

Proton chemical shift imaging in normal pressure hydrocephalus

O Kizu, K Yamada, T Nishimura - American journal of …, 2001 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Differentiation of normal pressure hydrocephalus (NPH)
from other types of dementia and the selection of appropriate candidates for shunt surgery …