Kamagata Koji

Last updated: Nov 19, 2018 at 10:17

Name	Kamagata Koji
E-mail	kkamagatjuntendo.ac.jp
Affiliation	Juntendo University
Research funding number	60568153

Research Interests

parkinson`s disease(2)

Research Areas

Clinical internal medicine / Radiation science /

Awards & Honors

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2017

ISMRM Travel Award

Mar 2016

Quantitative Histological Validation of Diffusion Tensor MRI by Two-Photon Microscopy of Cleared Mouse Brain, Best poster award

2013

Relationship between cognitive impairment and white-matter alteration in Parkinson’s disease with dementia: tract-based spatial statistics and tract-specific analysis, Kato prize (best article award of the Japanese Society of Neuroradiology), Japanese Society of Neuroradiology

2013

Cum raude, Japanese Society of Neuroradiology

Published Papers

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Myelin Measurement: Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T₁w/T₂w Ratio Methods.

Hagiwara A, Hori M, Kamagata K, Warntjes M, Matsuyoshi D, Nakazawa M, Ueda R, Andica C, Koshino S, Maekawa T, Irie R, Takamura T, Kumamaru KK, Abe O, Aoki S

Scientific reports 8(1) 10554 Jul 2018 [Refereed]

Linearity, Bias, Intrascanner Repeatability, and Interscanner Reproducibility of Quantitative Multidynamic Multiecho Sequence for Rapid Simultaneous Relaxometry at 3 T: A Validation Study With a Standardized Phantom and Healthy Controls.

Hagiwara A, Hori M, Cohen-Adad J, Nakazawa M, Suzuki Y, Kasahara A, Horita M, Haruyama T, Andica C, Maekawa T, Kamagata K, Kumamaru KK, Abe O, Aoki S

Investigative radiology Sep 2018 [Refereed]

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

Maekawa T, Hori M, Murata K, Feiweier T, Fukunaga I, Andica C, Hagiwara A, Kamagata K, Koshino S, Abe O, Aoki S

Japanese journal of radiology 36(7) 415-420 Jul 2018 [Refereed]

Neurite orientation dispersion and density imaging of the nigrostriatal pathway in Parkinson's disease: Retrograde degeneration observed by tract-profile analysis.

Andica C, Kamagata K, Hatano T, Okuzumi A, Saito A, Nakazawa M, Ueda R, Motoi Y, Kamiya K, Suzuki M, Hori M, Kumamaru KK, Hattori N, Aoki S

Parkinsonism & related disorders 51 55-60 Jun 2018 [Refereed]

Spatial Restriction within Intracranial Epidermoid Cysts Observed Using Short Diffusion-time Diffusion-weighted Imaging.

Andica C, Hori M, Kamiya K, Koshino S, Hagiwara A, Kamagata K, Fukunaga I, Hamasaki N, Suzuki M, Feiweier T, Murata K, Arakawa A, Kondo A, Akiyama O, Aoki S

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 17(3) 269-272 Jul 2018 [Refereed]

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

Taniguchi D, Hatano T, Kamagata K, Okuzumi A, Oji Y, Mori A, Hori M, Aoki S, Hattori N

Movement disorders : official journal of the Movement Disorder Society 33(9) 1488-1492 May 2018 [Refereed]

The Relationship between Neurite Density Measured with Confocal Microscopy in a Cleared Mouse Brain and Metrics Obtained from Diffusion Tensor and Diffusion Kurtosis Imaging.

Irie R, Kamagata K, Kerever A, Ueda R, Yokosawa S, Otake Y, Ochi H, Yoshizawa H, Hayashi A, Tagawa K, Okazawa H, Takahashi K, Sato K, Hori M, Arikawa-Hirasawa E, Aoki S

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 17(2) 138-144 Apr 2018 [Refereed]

Application of Quantitative Microstructural MR Imaging with Atlas-based Analysis for the Spinal Cord in Cervical Spondylotic Myelopathy.

Hori M, Hagiwara A, Fukunaga I, Ueda R, Kamiya K, Suzuki Y, Liu W, Murata K, Takamura T, Hamasaki N, Irie R, Kamagata K, Kumamaru KK, Suzuki M, Aoki S

Scientific reports 8(1) 5213 Mar 2018 [Refereed]

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

Kumamaru KK, Sano Y, Kumamaru H, Hori M, Takamura T, Irie R, Suzuki M, Hagiwara A, Kamagata K, Nakanishi A, Aoki S

European radiology 28(4) 1600-1608 Apr 2018 [Refereed]

Dopamine transporter imaging predicts motor responsiveness to levodopa challenge in patients with Parkinson's disease: A pilot study of DATSCAN for subthalamic deep brain stimulation.

Nakajima A, Shimo Y, Sekimoto S, Kamagata K, Jo T, Oyama G, Umemura A, Hattori N

Journal of the neurological sciences 385 134-139 Feb 2018 [Refereed]

Depressive symptoms in Parkinson's disease are related to decreased left hippocampal volume: correlation with the 15-item shortened version of the Geriatric Depression Scale.

Goto M, Kamagata K, Hatano T, Hattori N, Abe O, Aoki S, Hori M, Gomi T

Acta radiologica (Stockholm, Sweden : 1987) 59(3) 341-345 Mar 2018 [Refereed]

Combining Segmented Grey and White Matter Images Improves Voxel-based Morphometry for the Case of Dilated Lateral Ventricles.

Goto M, Abe O, Aoki S, Kamagata K, Hori M, Miyati T, Gomi T, Takeda T

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 17(4) 293-300 Jan 2018 [Refereed]

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

Takamura T, Hori M, Kamagata K, Kumamaru KK, Irie R, Hagiwara A, Hamasaki N, Aoki S

Japanese journal of radiology 36(1) 40-50 Jan 2018 [Refereed]

The Advantage of Synthetic MRI for the Visualization of Anterior Temporal Pole Lesions on Double Inversion Recovery (DIR), Phase-sensitive Inversion Recovery (PSIR), and Myelin Images in a Patient with CADASIL.

Wallaert L, Hagiwara A, Andica C, Hori M, Yamashiro K, Koshino S, Maekawa T, Kamagata K, Aoki S

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 17(4) 275-276 Dec 2017 [Refereed]

Connectome analysis with diffusion MRI in idiopathic Parkinson's disease: Evaluation using multi-shell, multi-tissue, constrained spherical deconvolution.

Kamagata K, Zalesky A, Hatano T, Di Biase MA, El Samad O, Saiki S, Shimoji K, Kumamaru KK, Kamiya K, Hori M, Hattori N, Aoki S, Pantelis C

NeuroImage. Clinical 17 518-529 2018 [Refereed]

Alterations of the optic pathway between unilateral and bilateral optic nerve damage in multiple sclerosis as revealed by the combined use of advanced diffusion kurtosis imaging and visual evoked potentials.

Takemura MY, Hori M, Yokoyama K, Hamasaki N, Suzuki M, Kamagata K, Kamiya K, Suzuki Y, Kyogoku S, Masutani Y, Hattori N, Aoki S

Magnetic resonance imaging 39 24-30 Jun 2017 [Refereed]

Gray Matter Abnormalities in Idiopathic Parkinson's Disease: Evaluation by Diffusional Kurtosis Imaging and Neurite Orientation Dispersion and Density Imaging.

Kamagata K, Zalesky A, Hatano T, Ueda R, Di Biase MA, Okuzumi A, Shimoji K, Hori M, Caeyenberghs K, Pantelis C, Hattori N, Aoki S

Human brain mapping May 2017 [Refereed]

Understanding microstructure of the brain by comparison of neurite orientation dispersion and density imaging (NODDI) with transparent mouse brain.

Sato K, Kerever A, Kamagata K, Tsuruta K, Irie R, Tagawa K, Okazawa H, Arikawa-Hirasawa E, Nitta N, Aoki I, Aoki S

Acta radiologica open 6(4) 2058460117703816 Apr 2017 [Refereed]

Erratum to: Diagnostic imaging of dementia with Lewy bodies by susceptibility-weighted imaging of nigrosomes versus striatal dopamine transporter single-photon emission computed tomography: a retrospective observational study.

Kamagata K, Nakatsuka T, Sakakibara R, Tsuyusaki Y, Takamura T, Sato K, Suzuki M, Hori M, Kumamaru KK, Inaoka T, Aoki S, Terada H

Neuroradiology 59(4) 425 Apr 2017 [Refereed]

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

Hatano T, Okuzumi A, Kamagata K, Daida K, Taniguchi D, Hori M, Yoshino H, Aoki S, Hattori N

Journal of neural transmission (Vienna, Austria : 1996) 124(4) 407-415 Apr 2017 [Refereed]

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

Irie R, Tsuruta K, Hori M, Suzuki M, Kamagata K, Nakanishi A, Kamiya K, Nakajima M, Miyajima M, Arai H, Aoki S

Japanese journal of radiology 35(1) 25-30 Jan 2017 [Refereed]

Diagnostic imaging of dementia with Lewy bodies by susceptibility-weighted imaging of nigrosomes versus striatal dopamine transporter single-photon emission computed tomography: a retrospective observational study.

Kamagata K, Nakatsuka T, Sakakibara R, Tsuyusaki Y, Takamura T, Sato K, Suzuki M, Hori M, Kumamaru KK, Inaoka T, Aoki S, Terada H

Neuroradiology 59(1) 89-98 Jan 2017 [Refereed]

Diffusion imaging of reversible and irreversible microstructural changes within the corticospinal tract in idiopathic normal pressure hydrocephalus.

Kamiya K, Hori M, Irie R, Miyajima M, Nakajima M, Kamagata K, Tsuruta K, Saito A, Nakazawa M, Suzuki Y, Mori H, Kunimatsu A, Arai H, Aoki S, Abe O

NeuroImage. Clinical 14 663-671 2017 [Refereed]

Pathways Linked to Internuclear Ophthalmoplegia on Diffusion-Tensor Imaging in a Case with Midbrain Infarction.

Takeshige H, Ueno Y, Kamagata K, Sasaki F, Yamashiro K, Tanaka R, Aoki S, Hattori N

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association 25(11) 2575-2579 Nov 2016 [Refereed]

Quantitative Histological Validation of Diffusion Tensor MRI with Two-Photon Microscopy of Cleared Mouse Brain.

Kamagata K, Kerever A, Yokosawa S, Otake Y, Ochi H, Hori M, Kamiya K, Tsuruta K, Tagawa K, Okazawa H, Aoki S, Arikawa-Hirasawa E

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 15(4) 416-421 Oct 2016 [Refereed]

Prospective estimation of mean axon diameter and extra-axonal space of the posterior limb of the internal capsule in patients with idiopathic normal pressure hydrocephalus before and after a lumboperitoneal shunt by using q-space diffusion MRI.

Hori M, Kamiya K, Nakanishi A, Fukunaga I, Miyajima M, Nakajima M, Suzuki M, Suzuki Y, Irie R, Kamagata K, Arai H, Aoki S

European radiology 26(9) 2992-2998 Sep 2016 [Refereed]

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

Kamagata K, Hatano T, Okuzumi A, Motoi Y, Abe O, Shimoji K, Kamiya K, Suzuki M, Hori M, Kumamaru KK, Hattori N, Aoki S

European radiology 26(8) 2567-2577 Aug 2016 [Refereed]

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

Tachibana Y, Obata T, Tsuchiya H, Omatsu T, Kishimoto R, Kawaguchi H, Nishikori A, Kamagata K, Hori M, Aoki S, Tsuji H, Inoue T

European radiology 26(8) 2559-2566 Aug 2016 [Refereed]

Diffusional Kurtosis Imaging in Idiopathic Normal Pressure Hydrocephalus: Correlation with Severity of Cognitive Impairment.

Kamiya K, Kamagata K, Miyajima M, Nakajima M, Hori M, Tsuruta K, Mori H, Kunimatsu A, Arai H, Aoki S, Ohtomo K

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 15(3) 316-323 Jul 2016 [Refereed]

A strategy to optimize radiation exposure for non-contrast head CT: comparison with the Japanese diagnostic reference levels.

Kumamaru KK, Kogure Y, Suzuki M, Hori M, Nakanishi A, Kamagata K, Hagiwara A, Andica C, Ri K, Houshido N, Aoki S

Japanese journal of radiology 34(6) 451-457 Jun 2016 [Refereed]

What is NODDI and what is its role in Parkinson's assessment?

Kamagata K, Hatano T, Aoki S

Expert review of neurotherapeutics 16(3) 241-243 2016 [Refereed]

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

Tachibana Y, Obata T, Yoshida M, Hori M, Kamagata K, Suzuki M, Fukunaga I, Kamiya K, Yokoyama K, Hattori N, Inoue T, Aoki S

European radiology 25(6) 1701-1707 Jun 2015 [Refereed]

See-through Brains and Diffusion Tensor MRI Clarified Fiber Connections: A Preliminary Microstructural Study in a Mouse with Callosal Agenesis.

Kerever A, Kamagata K, Yokosawa S, Otake Y, Ochi H, Yamada T, Hori M, Kamiya K, Nishikori A, Aoki S, Arikawa-Hirasawa E

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 14(2) 159-162 2015 [Refereed]

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

Kamagata K, Shimoji K, Hori M, Nishikori A, Tsuruta K, Yoshida M, Kamiya K, Irie R, Suzuki M, Kyogoku S, Suzuki Y, Sato N, Aoki S

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 14(3) 227-233 2015 [Refereed]

Multiple sclerosis: Benefits of q-space imaging in evaluation of normal-appearing and periplaque white matter.

Hori M, Yoshida M, Yokoyama K, Kamagata K, Kumagai F, Fukunaga I, Kamiya K, Suzuki M, Masutani Y, Hamasaki N, Suzuki Y, Kyogoku S, Hattori N, Aoki S

Magnetic resonance imaging 32(6) 625-629 Jul 2014 [Refereed]

Cervical spondylosis: Evaluation of microstructural changes in spinal cord white matter and gray matter by diffusional kurtosis imaging.

Hori M, Tsutsumi S, Yasumoto Y, Ito M, Suzuki M, Tanaka FS, Kyogoku S, Nakamura M, Tabuchi T, Fukunaga I, Suzuki Y, Kamagata K, Masutani Y, Aoki S

Magnetic resonance imaging 32(5) 428-432 Jun 2014 [Refereed]

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

Kamagata K, Tomiyama H, Hatano T, Motoi Y, Abe O, Shimoji K, Kamiya K, Suzuki M, Hori M, Yoshida M, Hattori N, Aoki S

Neuroradiology 56(3) 251-258 Mar 2014 [Refereed]

Diffusional kurtosis imaging analysis in patients with hypertension.

Shimoji K, Uka T, Tamura Y, Yoshida M, Kamagata K, Hori M, Motoi Y, Watada H, Kawamori R, Aoki S

Japanese journal of radiology 32(2) 98-104 Feb 2014 [Refereed]

Axon diameter and intra-axonal volume fraction of the corticospinal tract in idiopathic normal pressure hydrocephalus measured by q-space imaging.

Kamiya K, Hori M, Miyajima M, Nakajima M, Suzuki Y, Kamagata K, Suzuki M, Arai H, Ohtomo K, Aoki S

PloS one 9(8) e103842 2014 [Refereed]

Verbal dysflucency as a consequence of basal ganglia infarction with selective involvement of dorsolateral prefrontal fiber tract.

Nakayama S, Kamagata K, Sano T, Shimada Y, Tanaka Y, Fukui T, Urabe T, Aoki S, Hattori N, Motoi Y

Journal of neurology 260(9) 2427-2429 Sep 2013 [Refereed]

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

Kamagata K, Tomiyama H, Motoi Y, Kano M, Abe O, Ito K, Shimoji K, Suzuki M, Hori M, Nakanishi A, Kuwatsuru R, Sasai K, Aoki S, Hattori N

Magnetic resonance imaging 31(9) 1501-1506 Jul 2013 [Refereed]

Effects of diffusional kurtosis imaging parameters on diffusion quantification.

Fukunaga I, Hori M, Masutani Y, Hamasaki N, Sato S, Suzuki Y, Kumagai F, Kosuge M, Hoshito H, Kamagata K, Shimoji K, Nakanishi A, Aoki S, Senoo A

Radiological physics and technology 6(2) 343-348 Mar 2013 [Refereed]

White matter alteration in metabolic syndrome: diffusion tensor analysis.

Shimoji K, Abe O, Uka T, Yasmin H, Kamagata K, Asahi K, Hori M, Nakanishi A, Tamura Y, Watada H, Kawamori R, Aoki S

Diabetes care 36(3) 696-700 Mar 2013 [Refereed]

Relationship between cognitive impairment and white-matter alteration in Parkinson's disease with dementia: tract-based spatial statistics and tract-specific analysis.

Kamagata K, Motoi Y, Tomiyama H, Abe O, Ito K, Shimoji K, Suzuki M, Hori M, Nakanishi A, Sano T, Kuwatsuru R, Sasai K, Aoki S, Hattori N

European radiology 23(7) 1946-1955 Feb 2013 [Refereed]

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

Yoshida M, Hori M, Yokoyama K, Fukunaga I, Suzuki M, Kamagata K, Shimoji K, Nakanishi A, Hattori N, Masutani Y, Aoki S

Japanese journal of radiology 31(1) 50-55 Jan 2013 [Refereed]

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

Hayakawa YK, Kirino E, Shimoji K, Kamagata K, Hori M, Ito K, Kunimatsu A, Abe O, Ohtomo K, Aoki S

Neuropsychobiology 68(4) 197-204 2013 [Refereed]

Automatic extraction of the cingulum bundle in diffusion tensor tract-specific analysis: feasibility study in Parkinson's disease with and without dementia.

Ito K, Masutani Y, Kamagata K, Yasmin H, Suzuki Y, Ino K, Aoki S, Kunimatsu A, Ohtomo K

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 12(3) 201-213 2013 [Refereed]

White Matter Alteration of the Cingulum in Parkinson Disease with and without Dementia: Evaluation by Diffusion Tensor Tract-Specific Analysis.

Kamagata K, Motoi Y, Abe O, Shimoji K, Hori M, Nakanishi A, Sano T, Kuwatsuru R, Aoki S, Hattori N

AJNR. American journal of neuroradiology 33(5) 890-895 May 2012 [Refereed]

New diffusion metrics for spondylotic myelopathy at an early clinical stage.

Hori M, Fukunaga I, Masutani Y, Nakanishi A, Shimoji K, Kamagata K, Asahi K, Hamasaki N, Suzuki Y, Aoki S

European radiology 22(8) 1797-1802 Mar 2012 [Refereed]

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

Hori M, Fukunaga I, Masutani Y, Taoka T, Kamagata K, Suzuki Y, Aoki S

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine 11(4) 221-233 2012 [Refereed]

Misc

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Neuromelanin and Midbrain Volumetry in Progressive Supranuclear Palsy and Parkinson's Disease(和訳中)

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パーキンソン病・運動障害疾患コングレスプログラム・抄録集 12回 92-92 Jul 2018

MRIにおける脳機能イメージの進歩　脳神経回路網の側面から

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近年、Diffusion tensor imaging(DTI)より新たな拡散MRI解析手法が数多く提案され、その有用性が報告されている。水分子拡散の正規分布モデルを仮定するDTIでは、実際の複雑な生体組織構造を完全に推定するには限界がある。そのため、DTIの限界を乗り越えるべく、diffusional kurtosis imaging(DKI)、Neurite Orientation Dispersion and Density Imaging(NODDI)など新たな拡散MRIの解析法が...

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