Masaaki Hori

Masaaki Hori

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Masaaki Hori

Publications by authors named "Masaaki Hori"

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Aberrant myelination in patients with Sturge-Weber syndrome analyzed using synthetic quantitative magnetic resonance imaging.

Neuroradiology 2019 Sep 6;61(9):1055-1066. Epub 2019 Jul 6.

Department of Radiology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s00234-019-02250-9DOI Listing
September 2019

White matter alterations in adult with autism spectrum disorder evaluated using diffusion kurtosis imaging.

Neuroradiology 2019 Jun 18. Epub 2019 Jun 18.

Department of Radiology, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s00234-019-02238-5DOI Listing
June 2019

Risk Assessment of Intracranial Aneurysms with MRI.

Acad Radiol 2019 May 4;26(5):674-675. Epub 2019 Feb 4.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan.

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http://dx.doi.org/10.1016/j.acra.2019.01.013DOI Listing
May 2019

Choroid plexus cysts analyzed using diffusion-weighted imaging with short diffusion-time.

Magn Reson Imaging 2019 04 31;57:323-327. Epub 2018 Dec 31.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan.

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http://dx.doi.org/10.1016/j.mri.2018.12.010DOI Listing
April 2019

Unraveling Specific Brain Microstructural Damage in Moyamoya Disease Using Diffusion Magnetic Resonance Imaging and Positron Emission Tomography.

J Stroke Cerebrovasc Dis 2019 Apr 21;28(4):1113-1125. Epub 2019 Jan 21.

Department of Neurosurgery, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan; Team for Neuroimaging Research, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan.

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http://dx.doi.org/10.1016/j.jstrokecerebrovasdis.2018.12.038DOI Listing
April 2019

Signal Intensity within Cerebral Venous Sinuses on Synthetic MRI.

Magn Reson Med Sci 2019 Apr 5. Epub 2019 Apr 5.

Department of Radiology, Juntendo University School of Medicine.

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http://dx.doi.org/10.2463/mrms.mp.2018-0144DOI Listing
April 2019

Longitudinal changes in striatum and sub-threshold positive symptoms in individuals with an 'at risk mental state' (ARMS).

Psychiatry Res Neuroimaging 2019 Mar 30;285:25-30. Epub 2019 Jan 30.

Department of Neuropsychiatry, School of Medicine, Toho University, 6-11-1 Omori-nishi, Ota-ku, 143-8541, Tokyo, Japan.

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http://dx.doi.org/10.1016/j.pscychresns.2019.01.008DOI Listing
March 2019

Regression of White Matter Hyperintensity after Indirect Bypass Surgery in a Patient with Moyamoya Disease.

Magn Reson Med Sci 2018 Dec 6. Epub 2018 Dec 6.

Department of Neurosurgery, Tokyo Medical and Dental University, 1-5-45.

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http://dx.doi.org/10.2463/mrms.ci.2018-0088DOI Listing
December 2018

Striatal subdivisions that coherently interact with multiple cerebrocortical networks.

Hum Brain Mapp 2018 11 5;39(11):4349-4359. Epub 2018 Jul 5.

Department of Neurophysiology, Juntendo University School of Medicine, Tokyo, Japan.

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http://dx.doi.org/10.1002/hbm.24275DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6220841PMC
November 2018

Differentiation between glioblastoma and solitary brain metastasis using neurite orientation dispersion and density imaging.

J Neuroradiol 2018 Nov 12. Epub 2018 Nov 12.

Departments of Neurosurgery, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.

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http://dx.doi.org/10.1016/j.neurad.2018.10.005DOI Listing
November 2018

Microstructural Damage in Normal-Appearing Brain Parenchyma and Neurocognitive Dysfunction in Adult Moyamoya Disease.

Stroke 2018 10;49(10):2504-2507

From the Department of Neurosurgery, Tokyo Medical and Dental University, Japan (S.H., Y.T, M.I., T.M., and T.N.).

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https://www.ahajournals.org/doi/10.1161/STROKEAHA.118.022367
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http://dx.doi.org/10.1161/STROKEAHA.118.022367DOI Listing
October 2018

Neuromelanin imaging and midbrain volumetry in progressive supranuclear palsy and Parkinson's disease.

Mov Disord 2018 09 14;33(9):1488-1492. Epub 2018 May 14.

Department of Neurology, Juntendo University, School of Medicine, Tokyo, Japan.

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http://dx.doi.org/10.1002/mds.27365DOI Listing
September 2018

Reduced visualization of cerebral infarction on diffusion-weighted images with short diffusion times.

Neuroradiology 2018 Sep 26;60(9):979-982. Epub 2018 Jul 26.

Department of Radiology, Juntendo University School of Medicine, 1-2-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s00234-018-2065-6DOI Listing
September 2018

Limitation of neurite orientation dispersion and density imaging for the detection of focal cortical dysplasia with a "transmantle sign".

Phys Med 2018 08 21;52:183-184. Epub 2018 Jul 21.

Department of Radiology, Juntendo University School of Medicine, 1-2-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan.

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http://dx.doi.org/10.1016/j.ejmp.2018.06.011DOI Listing
August 2018

Changes in the ADC of diffusion-weighted MRI with the oscillating gradient spin-echo (OGSE) sequence due to differences in substrate viscosities.

Jpn J Radiol 2018 Jul 26;36(7):415-420. Epub 2018 Apr 26.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s11604-018-0737-0DOI Listing
July 2018

Synthetic MRI of the knee: new perspectives in musculoskeletal imaging and possible applications for the assessment of bone marrow disorders.

Br J Radiol 2018 05 15;91(1085):20170886. Epub 2018 Jan 15.

1 Department of Radiology, Juntendo University School of Medicine, Bunkyo-ku , Tokyo , Japan.

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http://dx.doi.org/10.1259/bjr.20170886DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6190768PMC
May 2018

Radiologist involvement is associated with reduced use of MRI in the acute period of low back pain in a non-elderly population.

Eur Radiol 2018 Apr 23;28(4):1600-1608. Epub 2017 Oct 23.

Department of Radiology, School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s00330-017-5086-3DOI Listing
April 2018

Application of neurite orientation dispersion and density imaging or diffusion tensor imaging to quantify the severity of cervical spondylotic myelopathy and to assess postoperative neurologic recovery.

Spine J 2018 02 12;18(2):268-275. Epub 2017 Jul 12.

Department of Radiology, University of Yamanashi, Yamanashi, Japan; Department of Radiology, School of Medicine, Juntendo University, Tokyo, Japan.

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http://dx.doi.org/10.1016/j.spinee.2017.07.007DOI Listing
February 2018

Symptom recovery and relationship to structure of corpus callosum in individuals with an 'at risk mental state'.

Psychiatry Res Neuroimaging 2018 02 29;272:1-6. Epub 2017 Nov 29.

Department of Neuropsychiatry, School of Medicine, Toho University, Tokyo, Japan.

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http://dx.doi.org/10.1016/j.pscychresns.2017.11.016DOI Listing
February 2018

Slice-accelerated gradient-echo echo planar imaging dynamic susceptibility contrast-enhanced MRI with blipped CAIPI: effect of increasing temporal resolution.

Jpn J Radiol 2018 Jan 31;36(1):40-50. Epub 2017 Oct 31.

Department of Radiology, Juntendo University School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s11604-017-0695-yDOI Listing
January 2018

Teaching Neuroimages: Obscured Cerebral Infarction on MRI.

Clin Neuroradiol 2017 Dec 17;27(4):519-520. Epub 2017 Mar 17.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, 113-8421, Tokyo, Japan.

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http://dx.doi.org/10.1007/s00062-017-0576-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5858466PMC
December 2017

Synthetic MRI showed increased myelin partial volume in the white matter of a patient with Sturge-Weber syndrome.

Neuroradiology 2017 11 26;59(11):1065-1066. Epub 2017 Aug 26.

Department of Radiology, Juntendo University School of Medicine, 1-2-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://link.springer.com/10.1007/s00234-017-1908-x
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http://dx.doi.org/10.1007/s00234-017-1908-xDOI Listing
November 2017

Functional subdivisions of the hypothalamus using areal parcellation and their signal changes related to glucose metabolism.

Neuroimage 2017 11 24;162:1-12. Epub 2017 Aug 24.

Department of Neurophysiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; Sportology Center, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; Research Institute for Diseases of Old Age, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.neuroimage.2017.08.056DOI Listing
November 2017

SyMRI of the Brain: Rapid Quantification of Relaxation Rates and Proton Density, With Synthetic MRI, Automatic Brain Segmentation, and Myelin Measurement.

Invest Radiol 2017 10;52(10):647-657

From the *Department of Radiology, Juntendo University School of Medicine; †Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; ‡SyntheticMR AB; §Center for Medical Imaging Science and Visualization, Linköping, Sweden; and ∥Department of Radiological Sciences, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Tokyo, Japan.

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http://dx.doi.org/10.1097/RLI.0000000000000365DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5596834PMC
October 2017

Changes in delta ADC reflect intracranial pressure changes in craniosynostosis.

Acta Radiol Open 2017 Sep 31;6(9):2058460117728535. Epub 2017 Aug 31.

Department of Radiology, Juntendo University School of Medicine, Tokyo, Japan.

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http://dx.doi.org/10.1177/2058460117728535DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5582662PMC
September 2017

Synthetic MR Imaging in the Diagnosis of Bacterial Meningitis.

Magn Reson Med Sci 2017 04 22;16(2):91-92. Epub 2016 Dec 22.

Department of Radiology, Juntendo University School of Medicine.

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http://dx.doi.org/10.2463/mrms.ci.2016-0082DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5600066PMC
April 2017

Neuromelanin MRI is useful for monitoring motor complications in Parkinson's and PARK2 disease.

J Neural Transm (Vienna) 2017 04 3;124(4):407-415. Epub 2017 Feb 3.

Department of Neurology, School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s00702-017-1688-9DOI Listing
April 2017

Neurite orientation dispersion and density imaging for evaluation of corticospinal tract in idiopathic normal pressure hydrocephalus.

Jpn J Radiol 2017 Jan 27;35(1):25-30. Epub 2016 Oct 27.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s11604-016-0594-7DOI Listing
January 2017

Usefulness of T2 star-weighted imaging in ovarian cysts and tumors.

J Obstet Gynaecol Res 2016 Oct 30;42(10):1336-1342. Epub 2016 Jun 30.

Department of Obstetrics and Gynecology, The University of Tokyo, Tokyo, Japan.

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http://dx.doi.org/10.1111/jog.13056DOI Listing
October 2016

Intersite Reliability of Diffusion Tensor Imaging on Two 3T Scanners.

Magn Reson Med Sci 2015 12;14(3):227-33. Epub 2015 Feb 12.

Department of Radiology, Juntendo University School of Medicine.

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http://dx.doi.org/10.2463/mrms.2014-0077DOI Listing
September 2016

Diffusion-tensor-based method for robust and practical estimation of axial and radial diffusional kurtosis.

Eur Radiol 2016 Aug 7;26(8):2559-66. Epub 2015 Oct 7.

Department of Radiology, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.

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http://dx.doi.org/10.1007/s00330-015-4038-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4927605PMC
August 2016

Neurite orientation dispersion and density imaging in the substantia nigra in idiopathic Parkinson disease.

Eur Radiol 2016 Aug 29;26(8):2567-77. Epub 2015 Oct 29.

Department of Radiology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://link.springer.com/10.1007/s00330-015-4066-8
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http://dx.doi.org/10.1007/s00330-015-4066-8DOI Listing
August 2016

Time Course of Diffusion Kurtosis in Cerebral Infarctions of Transient Middle Cerebral Artery Occlusion Rat Model.

J Stroke Cerebrovasc Dis 2016 Mar 24;25(3):610-7. Epub 2015 Dec 24.

Department of Drug Metabolism & Pharmacokinetics, Research Laboratory for Development, Shionogi & Co., Ltd, Osaka, Japan.

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http://dx.doi.org/10.1016/j.jstrokecerebrovasdis.2015.11.028DOI Listing
March 2016

Analysis of normal-appearing white matter of multiple sclerosis by tensor-based two-compartment model of water diffusion.

Eur Radiol 2015 Jun 11;25(6):1701-7. Epub 2015 Jan 11.

Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan.

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http://dx.doi.org/10.1007/s00330-014-3572-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4419192PMC
June 2015

Non-Gaussian diffusion-weighted imaging for assessing diurnal changes in intervertebral disc microstructure.

J Magn Reson Imaging 2014 Nov 19;40(5):1208-14. Epub 2013 Nov 19.

Department of Radiology Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.

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http://dx.doi.org/10.1002/jmri.24459DOI Listing
November 2014

Anterior cingulate abnormality as a neural correlate of mismatch negativity in schizophrenia.

Neuropsychobiology 2013 1;68(4):197-204. Epub 2013 Nov 1.

Department of Radiology, Graduate School of Medicine, University of Tokyo, Bunkyo-ku, Japan.

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http://dx.doi.org/10.1159/000355296DOI Listing
October 2014

A preliminary diffusional kurtosis imaging study of Parkinson disease: comparison with conventional diffusion tensor imaging.

Neuroradiology 2014 Mar 28;56(3):251-8. Epub 2014 Jan 28.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan,

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http://dx.doi.org/10.1007/s00234-014-1327-1DOI Listing
March 2014

Diffusional kurtosis imaging analysis in patients with hypertension.

Jpn J Radiol 2014 Feb 11;32(2):98-104. Epub 2014 Jan 11.

Department of Radiology, National Center of Neurology and Psychiatry Hospital, Kodaira, Tokyo, 187-8551, Japan,

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http://link.springer.com/content/pdf/10.1007%2Fs11604-013-02
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http://link.springer.com/10.1007/s11604-013-0275-8
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http://dx.doi.org/10.1007/s11604-013-0275-8DOI Listing
February 2014

Diffusional kurtosis imaging of cingulate fibers in Parkinson disease: comparison with conventional diffusion tensor imaging.

Magn Reson Imaging 2013 Nov 27;31(9):1501-6. Epub 2013 Jul 27.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.mri.2013.06.009DOI Listing
November 2013

A reply to the letter to the editor regarding "microstructural changes of the corticospinal tract in idiopathic normal pressure hydrocephalus: a comparison of diffusion tensor and diffusional kurtosis imaging".

Neuroradiology 2013 Nov 29;55(11):1425. Epub 2013 Aug 29.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo Bunkyo-ku, Tokyo, 113-8421, Japan,

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http://dx.doi.org/10.1007/s00234-013-1275-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3825192PMC
November 2013

Microstructural changes of the corticospinal tract in idiopathic normal pressure hydrocephalus: a comparison of diffusion tensor and diffusional kurtosis imaging.

Neuroradiology 2013 Aug 2;55(8):971-976. Epub 2013 Jun 2.

Department of Radiology, School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.

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http://dx.doi.org/10.1007/s00234-013-1201-6DOI Listing
August 2013

Visualizing non-Gaussian diffusion: clinical application of q-space imaging and diffusional kurtosis imaging of the brain and spine.

Magn Reson Med Sci 2012 ;11(4):221-33

Department of Radiology, School of Medicine, Juntendo University, Tokyo, Japan.

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http://dx.doi.org/10.2463/mrms.11.221DOI Listing
July 2013

Effects of diffusional kurtosis imaging parameters on diffusion quantification.

Radiol Phys Technol 2013 Jul 28;6(2):343-8. Epub 2013 Mar 28.

Department of Radiological Sciences, Graduate School of Human Health Sciences, Tokyo Metropolitan University, 7-2-10 Higashiogu, Arakawa, Tokyo 116-8551, Japan.

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http://dx.doi.org/10.1007/s12194-013-0206-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3709076PMC
July 2013

Lateral and dorsal column hyperintensity on magnetic resonance imaging in a patient with myelopathy associated with intrathecal chemotherapy.

Case Rep Neurol 2013 May 6;5(2):110-5. Epub 2013 Jun 6.

Department of Neurology, Department of Internal Medicine, Tokyo, Japan ; Department of Radiology, Juntendo University School of Medicine, Tokyo, Japan.

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http://dx.doi.org/10.1159/000351848DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3712817PMC
May 2013

White matter alteration in metabolic syndrome: diffusion tensor analysis.

Diabetes Care 2013 Mar 19;36(3):696-700. Epub 2012 Nov 19.

Department of Radiology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan.

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http://dx.doi.org/10.2337/dc12-0666DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3579365PMC
March 2013

Age-related white matter changes in high b-value q-space diffusion-weighted imaging.

Neuroradiology 2013 Feb 9;55(3):253-9. Epub 2012 Oct 9.

Department of Radiology, University of Yamanashi, 1110 Shimokato, Chūō, Yamanashi, 409-3898, Japan.

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http://dx.doi.org/10.1007/s00234-012-1099-4DOI Listing
February 2013

Diffusional kurtosis imaging of normal-appearing white matter in multiple sclerosis: preliminary clinical experience.

Jpn J Radiol 2013 Jan 23;31(1):50-5. Epub 2012 Oct 23.

Department of Radiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8431, Japan.

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http://dx.doi.org/10.1007/s11604-012-0147-7DOI Listing
January 2013